catia v5 training basics 1

CATIA V5 Basic - Presentation | V5 14 | Issue: Draft A6 | Date: 29. October 06

October 2006CATIA V5

CATIA V5 Basic Training

Presentation

CATIA V5 Basic - Presentation | V5 14 | Issue: Draft A6 | Date: 29. October 06 of 312© A

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• Introduction Catia V5• Sketcher• Part Design• Generative Shape Design Introduction• Q-Checker• Assembly Design• Generative Drafting• DMU Introduction• Settings

Contents

CATIA V5 Basic TrainingFunctionalities and AIRBUS methodologies


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IntroductionV5 Basics

• Philosophy of CATIA V5• Product Structures• Solutions and Workbenches• Using the Mouse• Desktop User Interface• Toolbars• Starting the Part Design Workbench• Online Documentation• Select Objects and Geometry• Delete Objects and Geometry• General Toolbars• Options and Settings • Naming and Numbering• Layer• Filter


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IntroductionPhilosophy of CATIA V5CATIA Version 5 is an integrated suite of (CAD) Computer Aided Design,

(CAM) Computer Aided Manufacturing,(CAE) Computer Aided Engineering

applications for digital product definition and simulation.

• Interoperability between all CATIA V5 modules (Workbenches)• Consistency of data • Support of process chains• Build up and working in Product structures• Parametric design with links inside a Part as well as between the Parts inside an Assembly• Individual degree of parameterisation• Knowledge based technology• Specification-driven modelling for part design, assembly design and integrated drafting• Associative feature based modelling• Multi window desktop environment• Platform independent (UNIX, NT)


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IntroductionSolutions and Workbenches

Solutions Workbenches

Catia V5 is divided into different solutions, which contain workbenches that are dedicated to specific tasks

E.g. Part Design Workbench


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IntroductionSolutions and Workbenches

During the design process you can switch between the workbenches to change the available functions for different tasks.

Start

Note: If you choose the same workbench, which is still open, a new part, product or drawing will be started

Configure the favourites workbenches

Tools Configure

Available workbenches Favourites

With the workbench icon, which is normally located in the right top corner, you have access to your most favourite workbenches

Changing the workbench


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IntroductionUsing the Mouse

Left Button (MB1)Middle Button (MB2)

Right Button (MB3)

The following pages refer to right handed users

Right handed users Left handed users

Selecting Click MB1 Click MB3

Zooming Hold down MB2 and click MB1 once Hold down MB2 and click MB3 once

Rotating Hold down MB2 and then MB1 Hold down MB2 and then MB3

Rotation Centre Click MB2 once Click MB2 once

Panning Hold down MB2 Hold down MB2

Contextual menu Click MB3 Click MB1


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IntroductionCatia V5 Desktop User Interface

Specification Tree

Pull Down Menus Windows Manipulations

General Toolbars / Icons

View Toolbar / Manipulation Icons

Dialogue area

Compass

Command Input Box

Workbench Toolbars / Icons

Standard Toolbar

Help Menu

Document window

Workbench icon


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IntroductionToolbars (1/3)

Some icons have a subtoolbar, which is indicated by a small black arrow in the right corner at the bottom of the icon.

Note: It is also possible to activate the commands by using the pull down menus.

All workbenches are driven by the use of icons to issue commands, which are grouped together in toolbars.

Click with the MB1 on the icon to activate the command. The icon will be highlighted in orange.Note: By double clicking on some of the icons the command will stay active. To deselect the command, click on the Icon again or press the Esc key.


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Use View > Toolbars to know which toolbars should be displayed. You can also click with MB3 on an visible toolbar

The tick indicates that the toolbar is visible in the activated workbench

Note: If a toolbar with the tick is missing in the workbench, it may be outside of the visible desktop area. This will be indicated with chevrons. With MB1 on the chevrons drag the hidden toolbar into the desktop.


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CATIA V5 memorizes the last toolbar positions.

To reset the toolbars and reach an initial state select View > Toolbars > Customize > Restore position

Resetting Toolbars


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IntroductionStarting the Part Design Workbench

• Use the Start > Mechanical Design > Part Design pull down menu for starting the Part Design Workbench.

• Use the File > New pull down menu to create a new CATPart.

Note: It is not necessary to enter a part name, since the naming and numbering mandatory has to be done by the use of the create & save functionality in VPM.

Start CATIA V5 from VPM too build up the connection between this two programs

A new part can be creates of two different ways:


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IntroductionCatia V5 Online Documentation (1/3)

F1

CATIA Documentation Home Page

Full-Text Search

Workbench Indexes

Automation Documentation Home Page

Use the keyboard key F1 to start the Online Documentation either with Netscape or with Mozilla and get more detailed Information about a functionality


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Full-Text Search

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Workbench Indexes

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IntroductionSelecting Elements

VertexEdge

Selecting Elements can be done in the geometry area or in the specification tree.

In the geometry area you normally select a sub element of the geometry. For a Solid the sub elements are:

• Vertex• Edge• Face

Geometry area

During a modification this sub elements will be new calculated by CATIA and in some cases the references will be lost!

Face

When ever possible use the specification tree for select elements. Because, these kind of selection is a more stable solution for modifications and updates!

Specification treeIn the specification tree you can select only whole features.


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IntroductionSelecting Objects and Geometry (1/4)

Multi-selection is possible by using the Ctrl-Key

SelectionTrap

By pointing it to an object’ s element (e.g. lines, edges, vertices, faces, planes) the arrow will be replace by a hand, and by clicking with the MB1 on the element, the object name will be highlighted in the specification tree.

Select

Only the objects located entirelyinside the trap will be selected

Note: It is also possible to drag a bounding outline using the select icon.


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PolygonalTrap

Any objects partly or entirely inside the trap will be selected

IntersectingTrap

Drag to create the polygon around the objects to be selected. Close the polygonwith a double-click.Only the objects located entirely inside the trap will be selected


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Any objects crossed by the paint will be selected

Paint StrokeTrap


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IntersectingOutside

TrapSelection

Only the objects located entirely outside the trap will be selected

OutsideTrap

Selection

Any objects partly or entirely inside the trap will be selected


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IntroductionPreselection Navigator (1/1)

With the preselection navigator hidden or coincident elements, or elements located elsewhere in the specification tree can be selected

The Preselection Navigator can by activated by:• Any keyboard arrow (left, right, up, down)• ALT + MB1• CTRL+F11• Time function

The following Options are available (see Options and Settings)

Activate timer

Display element list

Display additional Window(Auxiliary Viewer)

Highlight behavior of elements


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IntroductionPreselection Navigator (2/2)

List of stacked elements

Arrows for navigating

Black arrow indicatesthe last element in

this direction

Cross display the selected location

Depth selection arrow controls for hidden and coincident elements(up / down)

Arrow controls for navigating in the specification tree(top / bottom)

MB1 Click on an element or in the circle to select it

In the Dialog area the identification of the pre selected element is displayed:

Additional Display window


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IntroductionDelete Objects and Geometry

To delete objects or geometry:

• select the element with the MB1 and use the Del (Entf) key on the

keyboard

or

• move the cursor to the element and click the MB3 to open the

contextual menu. Select the Delete option.


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IntroductionGeneral Toolbars

Standard Toolbar

New

Open

Save

Quick Print

Cut

Copy

Paste

UndoSelection

RedoSelection

What‘s this?

Undo last Action

Undo with History

Redo last Action

Redo with History

Change the numbers of steps to Undo in:Tools > Options > General > Performance

Note: By increasing the Stack size, the Computer’ s performance will decrease!!

Note: Do not use the Cut function to delete objects or geometry (Memory effect)


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View Toolbar

Fly Mode

Fit All In

Pan

Rotate

Zoom In

Zoom Out

NormalView

QuickView

ViewMode

Hide/Show

Swap VisibleSpace

Isometric View

Front View

Back View

Right View

Left View

Top View

Bottom ViewWireframe (NHR)

Shading (SHR)

Shading with Edges and Hidden Edges

Shading with Edges

Customized view parameters

Createmulti view

Named Views

Shading with Edges without smooth Edges

Shading with Material


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IntroductionMulti view

Divide the screen in several views of the 3D model.

The views can be customized in the Menu

View Navigation Mode Multi-View Customization

Choose a Layout

Define Options for each view

Viewpoint definition for each view


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IntroductionNamed Views / Compass

Additional Viewpoints can be saved.1. Define the viewpoint by rotate, translate an zoom2. Create a new view

Add the new view to the selection list

Modify the View parameters

Rename the view

Activate the standard views using the compass.Click on the X, Y or Z letter

Click on Z axis Click on Z axisagain to reverse view direction.


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IntroductionCustomize View Parameters

Define the visualistaion of the 3D model


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Graphic Properties

Fill colour

Transparency

Line weight

Line type

Point type

Renderingstyle

Layer

Painter(copy graphic

Properties)

Wizard

1. Select the element of which the graphic properties will be changed2. Select the icon3. Select the element with the reference graphic properties

With the Wizard the graphic properties of an element and its parents can be analysed


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IntroductionColours (1/3)

See AM2232 Module 1 Layers and Colours within CATIA V5With colours a hole part or sub elements of a part can be marked.

Colours can be defined for different elements:

CATPart• Face (Solid) • Feature • Body• Wireframe and SurfaceInside a CATPart the priority of the element colour is from bottom up which can be analyzed with the graphic wizard (CATIA V5 R14):


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See AM2232 Module 1 Layers and Colours within CATIA V5CATProduct• Product / Sub product • Instance

Inside a CATProcuct the priority of the element colour is top down up which can be analyzed with the graphic wizard (CATIA V5 R14):


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See AM2232 Module 1 Layers and Colours within CATIA V5

Regulations for Colours

• Do not use the colours red and orange, because this are system colours of CATIA V5 and define a special model status.

• Do not use colours on Product level• A CATPart should have only one colour.• For A-UK set all colourdefinitions back to colour by layer. (see NATCO

Add-on)


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IntroductionLayer (1/2)

See AM2232 Module 1 Layers and colours within CATIA V5

See AM2232 Module 2 CAD Layers OrganisationCATIA V5 functionality enables designers to manage their own design and data organisation without layering use.Nevertheless, the use of layers is necessary for Master Model identification, DMU Visualization, Data transfer and Manufacturing processes

CATPart• In case of solid definition, only the Part-body has to be on a layer• In case of wire-frame or surface definition (MG, DP, FM), the Open-body grouping

some elements might be on the appropriate layer and elements inside the Open-body may be on layer none

• Use of layers forbidden for Part Number property level

CATProductUse of layers forbidden for CATProduct and CATPart Part Number property levels.

CATDrawingNo mandatory layers


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IntroductionLayer (2/2)

To change the layer of an object• select the object• select a layer in the Layer box

Catia V5 provides several layers. All layers will be visible in the layer box

Note:It is not allowed to modify or

add a layer name

• "None" in the Layer box indicates that there is no current layer for the selected object.

• If an object is selected, the name of the layer on which the object is located is displayed in the box. To find out which layer an object is assigned to, select the object and look at the Layer box.

• When no objects are selected, the layer is displayed in the Layer box as “None”

• Any new objects will be created on the current layer• To move from the current layer, make sure that no object is selected,

then enter the new layer number in the box.

Select View > Toolbars > Graphic Propertiesin the pull down menu Layer box


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IntroductionFilterAfter assigning objects to layers, create some filters which allow you to display only the objects which are located in specific layers.

Select Tools > Visualization Filters...

Define the new filterSelect a filter and click ok

To use one of the default filters select the filter and click ok

To create a new filter click on New

New

To rename the filter select it,(MB1) and once more, a boundingbox appears round it.You can now change its name.


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IntroductionOptions and Settings

To modify the CATIA V5 options use the pull down menu Tools > Options.There are several general options and special options for each Workbench.

For example Tools > Options > General > Display > Tree to show the “display of the specification tree” options

If an option is locked (a red symbol) the user can’t modify it.


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Sketcher

• Basics• Sketcher Rules• Accessing the Sketcher• Toolbars and Icons Overview• Toolbar Profile Creation• Toolbar Operations• Toolbar Constraints• Toolbar Sketch Tools• Constraints• Formula• Parameter• Sketch Analysis• Hints and Tips

ConstraintsDimensioningSketch positioningMulti domainProjection and IntersectionCreate Circle


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SketcherBasics

• A Sketch is a geometric elements which contains one or several contour created in the Sketcher workbench.

• The sketcher workbench provides a set of functions for creating and modifying sketched elements.

• A sketch contour may include profiles, construction lines and points

• It is possible to apply constraints to the sketched elements.

• In the Sketcher it is possible to work with an individual degree of parameterisation. This is not allowed at AIRBUS.


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SketcherSketcher Rules

• Keep sketches as simple as possible to make modifications easily.• Don’t create geometry which can be created as a feature

(e.g. fillets, chamfers, holes)• Use the mirror function in the Part Design, not in the Sketcher.• The sketch has to be fully constrained.• Auxiliary elements have to be created as construction elements


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SketcherSketcher Rules

Allowed Sketch Contours

Not Allowed Sketch Contours

One closed contour Several contours

Open contour

Sketch Contours with restrictions for some solid features

Intersecting open contour

Several contours

Intersecting closed contours Self intersecting contour

There are some restrictions for sketches to create solid features:

Point (In standard mode)


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SketcherAccessing the Sketcher (1/4)

Note: If there is no CATPart open, Start > Mechanical Design > Sketcher will create a new CATPart inside the Part Design Workbench

There are different possibilities to start the sketcher:

• Inside e.g. the Part Design or Wireframe and Surface Design Workbench click the Sketcher Icons

Sketcher

Sketch with Absolute Axis definition

• From any Workbench double-click an existing sketch

• Alternatively : Start > Mechanical Design > Sketcher from the pull down menu.


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To define the Sketch Support, select a plane or a planar face or surface (either in the geometry area or in the specification tree).


Sketcher

The normal of the working support is the same as the principal normal of the selected plane.Eg. If you choose a plane parallel to the xy plane, the principal normal is z. The origin of the Absolute Axis system of the sketch is automatically positioned on the origin of the CATPart.

Sketcher

Note: A sketch used to create a Part Design element (e.g. a pad) should be created directly in the body that will contain this element and not in an open body. Otherwise it will be duplicated and its management will be trickier. (See AM2259)


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Note: You can use the contextual menu (MB3 > Sketch object > Change Sketch Support ...) to change the Sketch Positioning at any time.

Sketch Support(e.g. face of the shaft)

Origin(e.g. intersection between the axis and the face of the shaft)

Orientation(e.g. horizontal direction (H) parallel to an edge of the pocket)

This command enables to create a logical sketch origin. This will give better control and easier constraining of the sketch.


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Origin: Part originProjection point Project a point on the sketch planeIntersection 2 lines Intersection Point of two linesCurve intersection Intersection point of a curve with the sketch planeMiddle point Middle point of a curve / lineBarycentre Centre of gravity of a surface

Origin: Define the Origin of the sketch

Orientation: X, Y, Z-AxisComponents define a vector by its componentsThrough point Line between the origin and a pointParallel to line Parallel to a lineIntersection plane intersection between a plane an the sketch plane

Orientation: Define the orientation of the h and v axis



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Rectangle

Oriented Rectangle

Parallelogram

Elongated Hole

Cylindrical Elongated Hole

Keyhole Profile

Hexagon

Profile

Rectangle

Circle

Spline

Ellipse

Line

Axis

Point

Circle

Three Point Circle

Circle using Coordinates

Tri-Tangent Circle

Three Point Arc

Three Point Arc Starting With Limits

Arc

Spline

Connect

ToolbarProfile Creation(1/2)

SketcherToolbars and Icons Overview (1/9)

Centered Rectangle

Centered Parallelogram


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Point Using Coordinates

Point

Equidistant Points

Intersection Point

Projection Point


Profile

Rectangle

Circle

Spline

Ellipse

Line

Axis

Point

ToolbarProfile Creation(2/2)

Ellipse

Parabola by Focus

Hyperbola by Focus

Creates a Conic

Line

Infinite Line

Bi-Tangent Line

Bisecting Line

Line Normal to Curve


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Corner

Chamfer

Trim

Symmetry

Project 3D-Elements

ToolbarOperation

Symmetry

Translate

Rotate

Scale

Offset

Project 3D Elements

Intersect 3D Elements

Project 3D Silhouette Edges

Trim

Break

Quick Trim

Close

Complement


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ToolbarConstraints

AnimateConstraint

ConstraintsDefined in Dialog Box

Constraint

Constraint

Contact Constraint

Fix together

Auto Constraint

Edit MultiConstraint


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ToolbarSketch tools(Standard)

Snap to Point on Grid

Construction/Standard Element

Geometrical Constraints

Dimensional Constraints


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ToolbarSketch tools(Extended)

Standard tools Further tools belonging to the selected function (e.g. Profile)

Fields for entering constraints value manually

Function: Option:

Symmetrical Extension

Three Point Arc

Tangent Arc

Line (Standard)

Line

Profile

Options

Infinite Line Line through twoPointsVertical Line

Horizontal Line

Function: Option:

Select a Curve before

Line normalto a curve


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Funktion:

ToolbarSketch tools (Extended)

Option:

Connect with an Arc

Funktion: Option:

ConnectConnect with a Spline

Continuity in Point

Continuity in Tangent

Continuity in Curvature

Tension of the tangency

Start and End Tangent

Nearest Endpoint

Tangent Intersection Point

ConicTwo Points

Four Points

Five Points


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Function:


Option: Function: Option:

Standard Lines Trim

Trim first Element

Trim all Elements

Corner

No Trim

Construction Lines Trim

Construction Lines No Trim

Chamfer

Standard Lines Trim

Trim first Element

Trim all Elements

No Trim

Construction Lines Trim

Construction Lines No Trim


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Funktion: Option:

Trim first Element

Trim all Elements

Break and keepBreak and rubberoutBreak and rubber in

Funktion: Option:

Point Propagation

Tangent Propagation

No Propagation

Both SideOffset

Trim Quick Trim

Offset


Orthogonal Projection

Along a Direction

ProjectionPoint


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SketcherSmartPick (1/3)

There are four ways to use the SmartPick:

1. 3D graphic window and SmartPick cursor:

3. Sketch tools toolbar(Coordinates and parameters):

2. Contextual menu:

4. Ctrl and Shift key

Using SmartPick, you will easily specify a location:•somewhere on the grid •using coordinates •on a point •at the extremity point of a curve •at the midpoint of a line •at the centre of a circle or an ellipse

•all over a curve •at the intersection point of two curves •aligned at a vertical/horizontal position •on the fictitious perpendicular line through a line end point •any of the above cases possibly combined together, whenever possible.


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Symbols for the SmartPick cursorhorizontal

Vertical

Point, Curve Extremity Point, Midpoint of a Line

All over a Curve, Intersection Point

Tangent

Parallel

Perpendicular

Selection not possible

To create a geometrical constraint from the SmartPick detection the „Geometrical Constraint“ icon must be activated (orange).

To create a dimensional constraint from the parameter values in the Sketch Tools Toolbar the „Dimensional Constraint“ icon must be activated (orange).

Note:


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Control the activity of the constraint detection

Press and Keep Hold of the Shift

Key

In this example the horizontal and coincidence constraints are not longer detected

Shift Key: Dynamic deactivation of the auto-detection (SmartPick)

Ctrl Key: Lock the current detected constraint to reduce the degree of freedom

In this example the tangency constraint is locked

Press and Keep Hold of the Ctrl

Key


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SketcherToolbar Profile Creation (1/6)

Create an open or closed shape including arcs and lines. You cancreate either by clicking or using the Sketch tools toolbar. When you create a profile by using the Sketch tools toolbar, constraints are similarly assigned to this profile.

Create a rectangle by clicking or using the Sketch tools toolbar. The orientation of the lines will be horizontal or vertical.

Create a parallelogram by clicking or using the Sketch tools toolbar.

Create an elongated hole by clicking or using the Sketch tools toolbar. Define the first and the second point of the symmetry axis, and then the elongated hole radius.

Profile

Rectangle

Oriented Rectangle

Parallelogram

Create a rectangle in the direction of your choice by clicking or using the Sketch tools toolbar. Define the direction of the first side with a line, and then the height of the rectangle with a point.

Elongated Hole


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Cylindrical Elongated Hole

Keyhole Profile

Hexagon

Circle

Create an cylindrical elongated hole by clicking or using the Sketch tools toolbar. Define the circle centre, the arc extremities and the radius of the cylindrical elongated hole.

Create a keyhole profile by clicking or using the Sketch tools toolbar. Define the first and the second point of the symmetry axis, the first radius and then the second radius.

Create a circle by clicking or using the Sketch tools toolbar. Define the circle centre and the radius.

Create a circle by clicking or using the Sketch tools toolbar. Define the circle start point, second point and end point one after the other.

Create an hexagon inside a construction circle by clicking or using the Sketch tools toolbar. Define the hexagon centre and then either a point on this hexagon or the hexagon dimension and angle

Three point Circle


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Create a circle by using the Circle Definition dialog box. Define the centre point coordinates and the Radius. If you select a point before clicking the icon, this point will be used as reference point. Else the reference point is the origin of the sketcher axis system.

Create a circle by clicking. Define three elements (point, line, circle, spline) one after the other to create a circle made of three tangent constraints (line, circle, spline) or coincidence constraints (point).

Create a circle by clicking or using the Sketch tools toolbar. Define the arc start point, end point and second point one after the other.

Create a circle by clicking or using the Sketch tools toolbar. Define the arc centre and then the arc start point and end point.

Circle using Coordinates

Tri-Tangent Circle

Three Point Arc

Three Point Arc Starting With Limits

Create an arc by clicking or using the Sketch tools toolbar. Define the arc start point, second point and end point one after the other.

Arc


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Connect

Create a spline by clicking or using the Sketch tools toolbar. Indicate the points through which the spline goes. Double-click to end the spline. To edit a control point (position, tangency, curvature radius)double-click on this.

Create a connection between two curves. Select the connect option in the Sketch tools toolbar: With an Arc or With a Spline. Select the first element and then the second element. The connection is tangent to both selected elements.

Create a parabola by clicking or using the Sketch tools toolbar. Define the focus, apex and then the parabola two extremity points.

Create a hyperbola by clicking or using the Sketch tools toolbar. Define the focus, centre and apex, and then the hyperbola two extremity points.

Spline

Ellipse

Parabola by Focus

Create an ellipse by clicking or using the Sketch tools toolbar. Define the ellipse centre, major semi-axis and minor semi-axis endpoints one after the other.

Hyperbola by Focus


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Create a conic type element (circle, ellipse, parabola, hyperbola) by clicking or using the Sketch tools toolbar. Define the desired points and if needed, use tangents or enter the excentricity

Create a line by clicking or using the Sketch tools toolbar. Define the startpoint and the endpoint of the line. Use the contextual menu to copy the length of an existing line or to take an existing line as angle reference.

Create a line by clicking. Define two elements (point, line, circle, spline) one after the other to create a line made of two tangent constraints (line, circle, spline) or coincidence constraints (point).

Create an infinite bisecting line by clicking or using the Sketch tools toolbar. Select two existing lines. If both selected lines are parallel to each others, a new line will be created between these lines.

Creates a conic

Line

Infinite Line

Bi-Tangent Line

Create an infinite line either horizontal, vertical or through two points by clicking and using the Sketch tools toolbar. Select an option in the toolbar and then indicate one or two points.

Bisecting Line


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Create a point by clicking or using the Sketch tools toolbar. Define the horizontal and vertical coordinates of the point. To get the centre of gravity between existing points (isobarycenter), select this points before clicking the point’s icon.NOTE: All the points must be converted into construction elements, before using a sketch for creating a solid feature (e.g. a pad).

Create a point by using the Point Definition dialog box. Define the point coordinates. If you select a point before clicking the icon, this point will be used as reference point. Else the reference point is the origin of the sketcher axis system.

Create one or more points by intersecting curve type elements. Multi-select the elements to be used for intersecting, then click the Intersection Point icon and then select the element which intersect with the first selected.

Create one or more points by projecting points perpendicular onto curve type elements. Select the points to be used for projection, then click the Projection Point icon and then select an element on which the points will be projected.

Point

Point Using Coordinates

Equidistant Points

Intersection Point

Create a point by using the Equidistant Point Definition dialog box. Select a line or a curve-type element. Define the number and spacing of the points.

ProjectionPoint


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SketcherCreate a profile (1/2)

1. Click with MB1 to define the start point of the profile

2. Move the mouse to define the end point of thefirst segment. Click with MB1 to define the endpoint. This is the start point for the next line.

The parameters for the segments can also defined in the Sketch tool bar.

3. Finish a closed profile by select the start point.Pay attention for the SmartPick icon.

4. Finish a open profile by double click.


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SketcherCreate a profile (2/2)

5. To create an tangent arc, hold down the MB1 and move the mouse away from the last endpoint.

The parameters for the segments can also defined in the Sketch tool bar.

6. To create an non tangent arc or start the profile with an arc, you have to use the “Three point arc” icon.


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SketcherToolbar Operation (1/3)

Create a rounded corner between two lines or curve type elements using trimming operation. The arc will be tangent to the two lines or curves. To modify the trim option (Trim All Elements, Trim First Element, No Trim) use the Sketch tools toolbar.You can create several corners by multi-selecting

Trim lines or curve type elements. If an element does not intersect with another element an extrapolation is done. To modify the trim option (Trim All Elements, Trim First Element) use the Sketch tools toolbar. You can multi-select the elements to be trimmed

Quickly breaking, trimming and/or deleting (rubber) elements intersected by other Sketcher elements. To modify the trim option (Break And Rubber In, Break And Rubber Out, Break And Keep) use the Sketch tools toolbar.

Corner

Chamfer

Trim

Break

Quick Trim

Create a chamfer between two lines or curve type elements using trimming operation. To modify the trim option (Trim All Elements, Trim First Element, No Trim) or the chamfer definitions (Angle/Hypotenuse, Length1/Length2, Length1/Angle) use the Sketch tools toolbar.You can create several chamfers by multi-selecting

Break a line or a curve type element. First select the line to be broken and then the element which is used for breaking.By using the break icon, you can also isolate points.


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Close circles or ellipses.Set splines which was relimited by using the trim icon to its original limitation again.

Complement an arc (circle or ellipse)

Create a translation by using the Translation Definition dialog box. Enter the number of copies, (multi-)select the element to be translated, select the start and endpoint of the translation vector and define the value for the translation length. The duplicate mode is activated by default. Internal and external constraints (geometrical and dimensional) can be preserved.

Create a rotation by using the Rotation Definition dialog box. Enter the number of copies, (multi-)select the element to be rotated, select the rotation centre point, click a point to define the reference line, define the value for the rotation angle. The duplicate mode is activated by default. Internal constraints can be preserved. External geometrical constraints are deleted. External dimensional constraints are modified.

Close

Complement

Symmetry

Translate

Create the symmetry of existing Sketcher elements by using a line, a construction line or an axis. The geometry will be duplicated. If the Dimensional Constraint option in the Sketch tools toolbar is activated a symmetry constraint is created.

Rotate


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Intersect 3D Elements

Scale a profile. The distance values will be resized, the angle values will not be modified. (Multi-)select the element to be scaled, define the centre point on the geometry, enter the scale value. The duplicate mode is activated by default. Internal constraints can be preserved. External geometrical constraints are killed. External dimensional constraints are modified.

Create an offset of 2D geometry (lines and curves). Create an associative offset of 3D geometry (edge, face and geometrical features). To modify the offset options (No Propagation, Tangent Propagation, Point Propagation and Both Side Offset) use the Sketch tools toolbar. Constraints are not created. No propagation on 3D edges.

Intersect 3D elements (e.g. edges, faces, pads) onto the sketch plane. If you select a face or pad, the edges are projected. These projections (marks) are yellow and associative to the 3D part. If needed, use the contextual menu to isolate the marks.

Project silhouette edges from a canonical surface onto the sketch plane. The axis of the canonical surface must be parallel to the sketch plane. These projections (marks) are yellow and associative to the 3D part. If needed, use the contextual menu to isolate the marks.

Scale

Offset

Project 3D Elements

Project 3D elements (e.g. edges or faces) onto the sketch plane. If you select a face, the edges are projected. These projections (marks) are yellow and associative to the 3D part. If needed, use the contextual menu to isolate the marks.

Project 3D Silhouette Edges


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SketcherToolbar Constraints

Constraints Defined in Dialog Box

Constraint

Contact Constraint

Automatic Constraint

Animate Constraint

Define one or several constraints simultaneously using the Constraint Definition dialog box. Select or multi-select the elements to be constrained and then the Constraints Defined in Dialog Box Icon.

Set dimensional or geometrical constraints between one or several elements. The constraints are in priority dimensional. Use the contextual menu to get other types of constraints and to position this constraint as desired.

Apply a constraint with a relative positioning that can be compared to contact: Concentricity, coincidence or tangency

Automatic detection and creation of possible constraints between selected elements. It is possible to define reference elements and symmetry lines.

Examine how the whole sketch is reacting when one constraint is varied between a maximum and a minimum value.


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SketcherToolbar Constraints

Fix together

Edit Multi-Constraint

Join geometry to a rigid set. If one element is moved, the hole group move together.

All the dimensional constraints of a sketch can be edit in a dialog box at the same time


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SketcherToolbar Sketch Tools

If activated, this option makes your sketch begin or end on the points of the grid. As you are sketching the points are snapped to the intersection points of the grid.

Create standard elements when the icon is inactivated and construction elements when the icon is activated. Construction elements are not taken into account when creating features, and they do not appear outside the Sketcher

Dimensional Constraints will automatically be created while creating the sketch.

Snap to Point

Construction/Standard Element

Geometrical Constraints

Dimensional Constraints

Geometrical Constraints will automatically be created while creating the sketch.


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SketcherTools

Sketch Solving Status

If the Icon is activated Projections, Intersections and Silhouettes from 3D are not associative.

Analyse if the sketch is fully, under or over constraint

Create Datum

Output feature

With the output feature construction elements and single elements can be used outside the sketch. Output features have a special update behaviour.

Sketch Analysis

Analysis sketches for inconsistence

Output Profil

Several Profiles inside a complex sketch can be defined. In the specification tree each profile can be selected separate


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SketcherVisualisation

Usual

No 3D Background

Cut the 3D Solid geometry temporary on the sketch plane to see the inside the volume.

The No 3D Background mode hides all geometrical elements and features (products, parts, etc.) except for the current sketch.

Cut Part by Sketch plane

The Usual mode is the default option. When activated, the 3D geometry is visible in the Sketcher.

Low Light

In the Low Light mode all geometrical elements and features appear as gray-colored, except for the current sketch. You cannot select the 3D geometry, you can just handle Sketcher elements.


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SketcherVisualisation

Diagnostic

Show / Hide the diagnostic colours of the sketch

Dimensional constraint

Show / Hide all dimensional Constraints of the sketch

Geometrical Constraint

Show / Hide all geometrical Constraints of the sketch


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Constraints are used to control the size and the position of an element and its relationship to other elements.

Geometric Constraintscontrol the

• relationship between the elements (e.g. coincidence, parallel) or • the orientation of an element (e.g. horizontal, vertical).

Dimensional Constraintscontrol the

• size of an element (e.g. length, radius) or • the distance and angle between elements.

SketcherConstraints (1/4)


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Visualization of Geometric Constraints


Fix

Coincidence

Horizontal

Vertical

Tangency

Perpendicular

Parallelism

Concentricity

Symmetry

Midpoint

Equidistant point


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Visualization of Dimensional Constraints


Length / Distance

Radius

Diameter

Angle

Semiminor axis

Semimajor axis

Note:You can obtain a radius constraint by editing a diameter constraint. You just need to double-click the diameter constraint and choose the radius option in the displayed dialog box.


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Constraint Colors


Orange Selected Select another element or the background

Green FixedAll relevant dimensions are created. The whole geometry has been fixed using the fix constraint

Sketch can be used

Green Iso-constrainedThe element is fixed and cannot be moved from its geometrical support. (E.g. if you fix a line it is still possible to move the endpoints)

Sketch can be used

White Under-constrained Still some degrees of freedom remaining Sketch can be used but is not allowed at AIRBUS

Purple Over-constrained Too many dimensions have been applied to the geometry

Remove one or more dimensional constraints

Red Inconsistent The system is unable to find a consistent solution for the dimension system

At least one dimension value needs to be changed

BrownGeometrynot changed

No recalculation because some geometrical elements are over-defined or inconsistent

Remove one or more constraints

Yellow ProtectedE.g. marks which were created via projection or intersection with associativity to external 3D elements

Sketch can be used. Isolate the marks to get rid of the associativity


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SketcherFormula (1/3)

Adding a Formula

Double-clicking on the desired constraints to modify the related data in the displayed Constraint Definition dialog box

move the cursor to the value and click the MB3 to open the contextual menu

Select the Edit formula option to open the Formula Editor


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Define the formula

In the Constraint Definition dialog box the Value is dimmed and the formula symbol appears.

In the sketch the value of the constraint is modified and the formula symbol is shown.

Adding a FormulaIn the upper field you will find the selected constraints, the field below is for the formula.


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Show the name of a dimension

For a better overview, it is possible to display the name of a dimension in the sketch.

Move the cursor to the value and click the MB3 to open the contextual menu

Note:Use formulas only for real master elements and not for creation comfort reasons (See AM2259)


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SketcherParameter (1/4)

Creating a user Parameter

It is possible to create additional parameters which can be used e.g. in a formula.

Select e.g. the Length item with Single Value in the New Parameter of type list

1

3

2Click New Parameter of type

The parameter will automatically get a name (e.g. Length.1). Replace the name and assign the value to this parameter


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The user parameters are displayed in the Parameters box of the specification tree

Note:

To display the parameter useTools > Options > Infrastructure > Part Infrastructure > Display > Display in Specification Tree

To display the parameter with their provided values, useTools > Options > General > Parameters and Measure > Knowledge > Parameter Tree View

Displaying a user Parameter


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The new parameter can be used to define a formula.To display the new and renamed parameter select Renamed parameters in the field Members of Parameter

Using a user Parameter

Double-click theparameter in the fieldMembers of Renamedparameters to insertthe parameter in theformula.


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With this functions parameters can be looked and unlooked. The value of a looked parameter can not be changed.

Lock Parameter

LockUnlock

Select the parameter and the icon for lock and unlock.

A special icon identify the locked status of a parameter.

Alternatively the MB3 can be used to lock and unlock parameters.


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SketcherEquivalent Parameters (1/4)

With this function several (Length and Angle) Parameters can be set to the same value. When one of the equivalent parameters will be changed all the other will became the same value.

Equivalent Parameters

Menu to choose the parameters


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Select the parameters in the sketch or in the left column of the dialog window.

Add the parameter to the list of equivalent dimensions.


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List of the parameters with the same values

Finish the function by clicking OK

Change the parameter value

In the specification tree the equivalent dimensions is positioned under the relations


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Equivalent Dimensions can be edit by double click the specification tree or one of the values


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SketcherSketch Analysis (1/3)

Inside the Sketcher Workbench use the Tools > Sketch Analysis pull down menu to start the Sketch Analysis


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A general status of all geometrical elements will be shown

After the selection of an element in the Geometry list (e.g. Point.22) or in the Projections/Intersections list, it is possible to use some corrective actions if the geometry is not correct.

turn this element into aconstruction element

close an open profile

erase a disturbing element

Hide constraints

Hide Construction Geometries

isolate geometry

activate/deactivate a constraint

erase geometry

replace 3D geometry

Hide constraints

Hide Construction Geometries

Geometry Projections / Intersections


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The Diagnostic tab provides information about under-constraint elements


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SketcherHints and Tips – Constraints (1/3)

If the origin of the sketch absolute axis (yellow axis) has been selected as the starting point of the sketch (e.g. the centre point of a circle), the system will automatically create a coincidence constraint between the origin and the starting point.

Note: This constraint won’ t be displayed, therefore it won’ t be possible to select the constraint directly to delete it.

Starting the Sketch in the origin of the sketch absolute axis

Hint:By using the Break icon, you can isolate points: If you select a point with a coincident constraint, this point will become independent of the coincidence constraint.

Select the Break icon and then the point


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Use the Tools > Options > Mechanical Design > Sketcher > Sketcher > Constraintsmenu and select the SmartPick Icon to modify the SmartPick options.

Control the activity of the constraint detection (3/3)

SmartPick switch button: Permanent deactivation of the auto-detection (SmartPick).

As you create more and more elements, SmartPick detects multiple directions and positions, and more and more relationships with existing elements. This may lead to confusion due to the rapid highlighting of several different detection possibilities as you point the cursor at different elements in rapid succession. Consequently, you can decide to filter out undesired detections.

Alternatively you canpress the Shift keyto deactivate all smartpick options.


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Modify the Constraint Type

1. Activate the Constraint command or the Contact Constraint command .2. Click with the MB3 the constraint to be modified.3. Select the option corresponding to the desired operation, from the contextual

menu.

Distanceconstraint type.

Coincidenceconstraint type.

1 2

3


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SketcherHints and Tips – Dimensioning (1/2)

Manage the orientation and type of the current dimension

Constraint Icon activated + MB3 (Contextual menu):• Change length or distance to horizontal or vertical dimension

• Change the type of the dimension (e.g. from Angle to Perpendicular)


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SketcherHints and Tips – Dimensioning (2/2)

Modify geometry

Edit dimensional constraint values just by dragging constrained geometry

Press and Keep Hold of the Shift Key while dragging the geometry

The constraint is temporary a reference


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SketcherHints and Tips - Multi domain

Sketch Multi domain

A sketch can contain several contours with functional links.


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SketcherHints and Tips - Projection and Intersection (1/2)

Projection and Intersection of 3D ElementsNote that the order of the selection (Action-Object or Object-Action) can change the result

1. Action-ObjectThe result is a pointSelect the

Intersection Icon

Select the Surfaceof a cylinder

The axis will be highlighted

The result is a circleSelect the

Intersection Icon

Select the Surfaceof a cylinder

2. Object-Action


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SketcherHints and Tips - Projection and Intersection (2/2)

Projection and Intersection of 3D Elements

Projection and intersection of 3D elements directly to sketches

• Marks created via projection, intersection or silhouette edges are associative to their parent 3D elements

• To break this associativity use the MB3 > Sketch.object > Isolate. The marks are isolated and each trace is replaced by an equivalent geometrical element

Note if working in an assembly:

If the option “Keep link with selected object” is active, an object created from the selection will keep the link with it. A selection between two different CATParts (selection in context) will create and keep a link (external reference) between these.To avoid undesired links, make sure that at least the option Tool > Option > Infrastructure > Part Infrastructure > General > “Confirm when creating a link with selected object”is activated.


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SketcherHints and Tips - Create Circle

Switch between radius and diameter

double-click the radius value > Constraint Definition

Copy radius to the next circle

MB3 > Parameters > Copy RadiusSelect the circle Iconand move the cursorover the existing circle, now MB3.


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SketcherHints and Tips - Dimension of an Ellipse

Position of the centre

Semiminor axis

Semimajor axisAngle Semimajor Axis: Select the ellipse

Semiminor Axis: Select the ellipseand select Semiminor axis in thecontext menu

For a iso constraint ellipse you need the following five constraints:

Angle: select the ellipse and a reference element.


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Part Design

• Basics• The Specification Tree• PartBody, Body and Open body• Features

• Toolbars and Icons Overview• Sketch-Based Features• Dress-Up Features• Transformation Features• Reference Elements• Surface based Operations• Boolean Operations• Using Boolean Operations• Using Fillets and Drafts• Link management

• Sketch• Publication

• Material

• Hints and Tips• Pattern• Searching Elements• Change the Sketch Support• To stack Actions• Hide Elements• Behaviour of Show/Hide• Hole positioning• Variable Edge Fillet• Using multi domain Sketch

• Basic Methods• General Modelling Rules


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Part Design Basics – The Specification Tree (1/3)

Structure of the Specification TreeThe specification tree shows the hierarchy of the part defined by the operations during the design process. The structure of each operation created by the designer will be kept in the tree. Thus, at the beginning you start with a very small tree which will grow up during the design. At the end you might have a very long and complex tree, but nevertheless all your design steps are included in it. A new part starts with these objects: • the 3 main planes xy, yz and zx• the absolute axis system• the PartBodyA good structure of the tree is profitable for:• a clean construction• updates with no problems• good overview of the part design

Note:You may require more time to produce a good concept, you will gain this by spending less time during the design. Starting without a concept can lead in extreme cases in having to start again.

Before starting the construction, take time to create a strategy.Investigate:• the aproach• the logical structure of the part• the expected result• the down stream processes and their interfaces.


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Note:The elements will automatically get names which are built out of strings defined by the element type and a running number (e.g. Pad.1). By using only this automatic naming you can easily loose the overview and orientation in the tree. It is difficult to remember what e.g. Assemble.278 connects with Body.9. A good practice will be to rename the features to help you to navigate through the tree. You can rename by selecting the feature and using MB3 on that Feature> Properties > Feature PropertiesShort cut = ALT-ENTER.

To have a clean structure in complex parts, you should implement additional Bodies.

Starting point for the solid generation is the PartBody.

Below the PartBody all the different elements (like features, sketches etc.) will be automatically implemented corresponding to their chronological creation.

Structure of the Specification Tree


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You can reorder the positions of the features in the tree afterwards. But remember, this can have an influence on the geometry of the part. Sometimes the result will totally change or some geometry won’ t be calculated. On the other hand, the reordering of the tree can sometimes help to get the desired result.

MB3 > ….Object > Reorder

Structure of the Specification Tree


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Part Design Basics – PartBody, Body and Geometrical Sets (1/7)

The PartBody has a special role in the specification tree. Its use and influence on the construction has to be known. The finished designed part has to be completed within the PartBody (at AIRBUS this is mandatory!). Only by this way, a clean connection to down stream processes (e.g. calculations or automatic bill of material) is guaranteed.

PartBody

Important:

• The PartBody cannot be deleted• Boolean operations which will use the PartBody (e.g. Remove-, Add- or Assemble-body) are not

possible. The PartBody cannot be added to or subtracted from other bodies, but it is possible to add (subtract) other bodies to (from) it.


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Part Design Basics – PartBody, Body and Geometrical Sets (2/7)PartBodyIt is possible to move all or part of the content of the PartBody into a new body

The new body is automatically assembled to the PartBody

The body becomes the PartBody

MB3

It is also possible to let an existing body becomes the PartBody


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Additional bodies can be inserted. They will help to generate a better structure of the tree in cases of complex parts.

These bodies can be connected by Boolean operations. E.g. using separate bodies for the inner areas, outer areas, the raw casting and/or machining helps to divide the different operation steps and make a clearer structure.

Remember: The finished designed part has to be completed within the PartBody


Body

Use the Insert > Body pull down menu for creating an additional Body.


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During the work in PartDesign, by creating reference elements (point, line or plane), a “Geometrical Set” will be automatically inserted in the tree as a store for the elements.

By default, the wireframe and surface geometry is created in an Geometrical Set in parallel with the PartBody. There will be no chronological trace of the design if the tree remains as such.

Geometrical Set


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The ordered geometrical Set (OGS) contains wireframe and surface geometry like the normal geometrical Set.

The OSG works like an Solid Body. The elements will created and ordered in a linear way and a chronological order.

Ordered Geometrical Set

Properties of an OSG:

• OSG is fully linear

• The order of the appararation of features in the specification tree is consistent with the chronological creation

• Modification features will absorb there parents which are not longer accessible for users

• An OSG must created by the user

• Every element in an OSG can be defined as in work object, all elements located behind the work object are not accessible.

• An OSG can be scanned by the “Scan” function


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The sequence of the various bodies in the specification tree must be ordered logically.

To obtain a more logical tree, insert the Geometrical Set where the wireframe or surface geometry is needed.

Geometrical Set

Insert > Geometrical Set…

To keep the overview in the tree, it is good to add one or several Geometrical Sets to the tree and name them with corresponding names. By that you can group the wireframe objects.

Change into the Wireframe and Surface Design Workbench > Insert > Geometrical Set


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The function „Change Geometrical Set…“ allows you to move the Geometrical sets within the specification tree. They can also be moved directly under a given body.

MB3 > ….Object > Geometrical Set…

Geometrical Set


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Part Design Basics – Features (1/3)

Feature-based design

Features are entities that should be combined to make up a part. They include the generating of geometry, an operation or a combination of both. Some operations consist in adding material (e.g. rib), others in removing material (e.g. hole and pocket)

There are several groups of Features:• Sketch-based Features• Dress-Up Features• Surface Based Features• Transformation Features


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Handling of Features

Features can be duplicated, copied, translated, deleted, deactivated, or modified in the structure position.

• With the context menu of the right mouse button you can delete, deactivate, or translate the features.

• You can also use the buffer for the cut, copy, and translate functions to modify the Features in the structure.

Note:It is not allowed to use the Drag&Drop functionality at Airbus.


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Parameters and References of Features

The parameter values and the references of a Feature can be modified at any time.• Double click on the Feature in the structure tree and the corresponding panel will

appear.• The same is true for the sketches. A double click on it to open it, then constraints,

dimensions or geometry can be modified, added, or deleted.

New references which lead to new dependencies will be created during,• the dimensioning,• the defining of geometrical constraints (like tangency, symmetry ..)• and the defining of Dress-Up-Features

Deleting a used reference implies that the related dimensioning parameters, constraints, or features will also be deleted automatically.

Attention: The deletion of a reference can happen during the design process. If e.g. an edge which had been used for a fillet doesn’t exist any more after a change during the design, the fillet will be deleted automatically.


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Part Design Toolbars and Icons Overview (1/4)

ToolbarSketch - Based Features

Pad

Pocket

Shaft

Groove

Hole

Rib

Slot

Stiffener

Loft

Removed Loft

Pocket

Drafted Filleted Pocket

Multi Pocket

Pad

Drafted Filleted Pad

Multi Pad

Stiffener

Solid Combine


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ToolbarDress – Up Features

Fillet

Champfer

Draft

Shell

Thickness

Thread/Tap

Draft Angle

Draft Reflect Line

Variable Draft

Edge Fillet

Face – Face Fillet

Tritangent Fillet

Variable Fillet

Remove Face

Replace Face

Remove Face


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ToolbarSurface Based Feature

Translation

Mirror

Pattern

Scaling

Translation

Symmetry

Rotation

ToolbarTransformation Feature

Split

Close Surface

Sew Surface

Thick Surface

Surface

Rectanggular Pattern

User Pattern

Circular Pattern


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ToolbarBoolean Operations

Assemble

Add

Union Trim

Remove Lump

Add

Intersect

Remove


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Part Design Sketch-Based Features (1/2)

Pad

Pocket

Shaft

Groove

Hole

Create a pad means extrude a profile in one or two directions. Youcan choose the limits of creation as well as the direction of extrusion.

Grooves are revolved features that remove material from existing features

Create a hole consists in removing material from a body. Various shapesof standard holes can be created.

Create a pocket consists in extruding a profile and removing the materialresulting from the extrusion. You can choose the limits of creation as wellas the direction of the extrusion.

Create a shaft by revolve a open or closed profile in one or twodirections.


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Part Design Sketch-Based Features (2/2)

Rib

Slot

Create a rib by using a centre curve, a planar profile and possibly referenceelement or a pulling direction. Ribs can also be created from sketches including several profiles. These profiles must be closed and must not intersect.

To define a slot, you need a centre curve, a planar profile, a reference elementand possibly a pulling direction. Slots can also be created from sketches including several profiles. These profiles must be closed and must not intersect.

To define a stiffener you need an open profile. Make sure that the material canlimit the extrusion of this profile.

Stiffener

Solid Combine

Define a Solid with an intersection of two sketches in different planes


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Part Design Pad /Pocket

A pad /pocket is a prismatic volume based on a sketch, planar curve or surface / face

Closed sketch or closed planar curve

Face or Surface

A pad / pocket can be limited by parameters or geometric elements

Dimension Up to next Up to last Plane Surface

Note: The limits for „Up to next“ / „Up to last“ must be in the same Body!


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The extrusion direction of a pad / pocket normally is normal to the sketch plane. You can define the direction by select a linear curve.

With the Thick option a wall thickness on the sketch contour can be created.

Closed contour Open contour

Reference for direction


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Special cases

If another solid feature in the body exists, an open contour can be trimmed on this geometry

Open contourOptions: Thick, Merge Ends

PadOpen contour

PocketOpen contour

Note: The limits for „Merge Ends“ must be found on both ends of the contour in the current body!


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Part Design Shaft / Groove

A shaft / groove is a rotational volume based on a sketch, planar curve or surface / face

The rotation axis can be:• A sketch axis (preferred solution)• A cylindrical face• A linear curve (line)

The contour does not intersect the rotation axis:

Closed Contour

Open Contour


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Part Design Shaft / Groove

Rotation Angle

Rotation AxisRecognized by CATIA, if the sketch contains an axis

Sketch for shaft Shaft


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Part Design Hole (1/5)The sketch of a hole must not defined in advance, the sketch will be created automatically an contain one point in standard mode.

Select a face (or plane)

Extension

Hole dimensions

Direction ofthe hole axis

Modify the position of the hole center by edit the positioning sketch

Bottom shape


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Part Design Hole (2/5)Hole Types

Simple Tapered Counterbored Countersunk Counterdrilled

For the countersunk hole type are three parameter combinations available:Depth & AngleDepth & DiameterAngle & Diameter


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Part Design Hole (3/5)Thread

Activate Thread

Select Thread standard

Select Thread size

Define Filters

Start Thread analysiswith Apply

Symbolicgeometry

Numeric ValueThread Analysis


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Part Design Hole positioning (4/5)

Available selections:• Circular edge + support = concentricity

• 1 edge + support = 1 dimension

• 2 edge + support = 2 dimension

• Point + support = coincidence to point

It is possible to constraint a hole during the creation


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Part Design Hole positioning (5/5)

• Line + support = hole direction and center point

To control the hole direction on a non planar face you can use an linefor steering the hole direction

The center point is the intersection between the face and the line


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Part Design Rib / Slot

Merge rib’s endsIf there exist an other solid feature in the body, the rib/slot can be trimmed on this geometry

Note: The limits for „Merge rib’s ends“ must be found on both ends of the rib/slot in the current body!


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Part Design Rib / Slot

Profile Control

The angle between the profile plane and the reference element is constant

Pulling DirectionKeep Angle Reference SurfaceThe angle between the profile and the normal to the surface is constant

The angle between the profile plane and center curve is constant


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Part Design Stiffener

Mode: From Side

NF

NF

An open sketch is limited by intersect or extrapolation on the solid geometry of the current body. A limitation in all directions is necessary.

Direction of the wall thicknessDirection of search material forIntersect / extrapolate

Sketch the Side view of the Stiffener

Remark: The sketch plane define the Neutral Fiber


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Part Design Stiffener

Mode: From Top

NF

NF

Sketch the Top view of the Stiffener

An open sketch is limited by intersect or extrapolation on the solid geometry of the current body. A limitation in all directions is necessary.

Direction of the wall thicknessDirection of search material forIntersect / extrapolate

Remark: The sketch contours define the Neutral Fiber


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Part Design Combine

Define a Solid with an intersection of two pads with extrusion directions in one step.

+ =

The profiles can be a sketch, a planar contour or a surface / face. (See pad feature for details)

The extrusion direction of a pad / pocket normally is normal to the sketch plane. You can define the direction by select a linear curve. (See pad feature for details)


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Part Design Dress-Up Features

Edge Fillet

A fillet is a curved face of constant or variable radius. It is tangent to twosurfaces. These three surfaces form either an inside or an outside corner.You obtain a fillet by propagation along one or several edges.

Variable radius fillets are curved surfaces created to a variable radius. That means that at least two different constant radii are applied to two entireedges.

The fillet can be created between two faces without intersection or when thereare more than two sharp edges between the faces.

You can create a fillet between three surfaces. One of the three surfaces isreplaced by a fillet. This fillet is tangent to the three selected surfaces.

A chamfer consists in removing or adding a flat section from a selected edge to create a bevelled surface between the two original faces common tothe edge. You obtain a chamfer by propagation along one or several edges.

Tritangent Fillet

Chamfer

Variable Radius Fillet

Face-Face Fillet


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Part DesignFillets

Support Support

Limits

Radius

Object to fillet

Support: Faces on which rolling a sphere. The fillet is tangent to the supports.Limits: Define the end of the supportsObject to fillet: Edge: Edge which will be filleted

Face: All non tangent boundaries of the face will be filletedRadius: Radius of the sphere

The fillet operation create a curved face with a constant radius. The fillet need an edge or a faces for support.


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Part DesignFillets

Trim ribbonsWith the option „Trim ribbons“ overlapping fillets will be trimmed by CATIA.

Without Trim ribbons

With Trim ribbons


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Part DesignFillets

Edge(s) to KeepWith The Option „Edge(s) to Keep“ one or several Edges can be selected on which the sphere is rolling instead of one support face.

Edge(s) to keep:In this case the fillet is tangent to one Support face and goes through a curve (kept edge).

Examples

Edge to keep


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Part DesignFillets

Blend Corner(s)With the option „Blend corner(s)“ the connection point of several edges in one fillet operation becomes smoother.

1. Select the edges to be fillet

2. Select the „Blend corners“ button

3. The corners are recognized automatically by the system.

4. Edit the „Setback distance“ global in the dialog box or individual by double click on the value in the 3D window.

Without Blend corner With Blend corner


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Part DesignVariable Fillet

The fillet operation create a curved face with a variable radius. The fillet need an edge or a faces for support.

A radius value can be defined on a vertex, a point, a plane ore somewhere on the edge(s) to fillet

Edit the list to Remove or replace the elements of the radius values


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Part Design Variable Fillet

Planes or Points can be used to define intermediary radius values (In the variable Edge Fillet creation window in the point field)

By moving these planes, Catia will compute the intersections again and modify the fillet


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Part DesignVariable Fillet

Variation

The kind of the run between the points can be defined with the variation option:

Cubic Linear


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Part DesignFace-Face Fillet / Tritangent Fillet

A Face-Face Fillet is normally used if two support faces have no common edge.

A Tritangent Fillet connect two surfaces which are separated by a third surface. The third surface will be replaced by the fillet.

Face-Face Fillet

Tritangent Fillet


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Drafts are defined on moulded to make them easier to remove from moulds.The characteristic elements are pulling direction, draft angle, parting element and neutral element

Shelling a feature means emptying it, while keeping a given thicknesson its sides. Shelling may also consist in adding thickness to theoutside.

The function Thickness add or remove materiel on the faces which are selected.

The Thread capability removes material surrounding the hole. To definea thread, you can enter the values of your choice, but you can usestandard values or personal values available in files too.

Draft Angle

Thread

Thickness

Shell


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Simplify a part by removing some of its faces e.g. for finite element analysis

Replace a face or a set of tangent faces with a surface

Remove Face

Replace Face


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Part Design Draft Angle

Pulling DirectionNeutral element

Draft angle Faces to draft

Angle: Cones for mould in degreeFaces to draft: Faces with cones.

- Selecting the faces or- Select the neutral element first, the faces to draft will be selected automatically by

CATIA (Option: Selection by neutral face)Neutral element: On the neutral element the dimension of the geometry will not be modified.Pulling direction: The direction for remove the moulds from the part.

Create conical faces on a prismatic geometry


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Pullin

g D

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ion

Neutral

Neutral

Neutral

Parting

Parting

Neutral

Neutral and Parting Element

On the parting element the draft is limited along the pulling direction. The parting element can be equal to the neutral element.A plane, a surface or a join can be used for the parting element


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Draft in two directions

Pullin

gD

irect

ion

Parting

Neutral

For a draft in two directions the parting element must be equal to the neutral plane.

Note:The neutral and parting element must not be a planar element.


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Part Design Shell

Initi

al g

eom

etry

Inside thickness Outside thickness

Faces to remove and default Inside and outside thickness

Initi

al g

eom

etry

Inside and Outside thickness

Face with other thickness

Initi

al g

eom

etry


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Part Design Transformation Features

Translation

Mirror

Mirroring a body or a list of features consists in duplicating theseelements using a symmetry. You can select a face or a plane to definethe mirror reference. If you modify the original object, the mirrored one will also change .

Create a translation of the current body. Select a line, edge or plane (to take its normal) as the translation direction. The original element is no longer visible but remains in the specification tree. No duplicate available.

Rotation

Symmetry

Create a rotation of the current body around an axis. Select a line or edge as the rotation axis. The original element is no longer visible but remains in the specification tree. No duplicate available.

Create a symmetry operation of the current bodies. Select a point, line or plane as reference element. The original element is no longer visible but remains in the specification tree. No duplicate available.

Scaling

Create a scale operation of the current body. Select a point or plane as reference element. The original element is no longer visible but remains in the specification tree. No duplicate available.


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Part DesignTranslation / Rotation

Move the current body by a rotation

Direction (Linear curve) and distancePoint to Point: Select the start and end point of the translationCoordinates: Define the translation between the origin and a point

defined by x, y and z value

Note:The original elements are no longer visible but remains in the specification tree. No duplication available.

Axis: Linear curve

Rotation

Move the current body by a rotation Translation Note: Do not use the translation and

rotation for position the parts in an assembly!


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Part DesignSymmetryCreate a symmetry operation of the current body by selecting a point, line or plane as reference element.

Plane

Line

Point

Note: The symmetry operation must be used for opposite handed parts


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Part DesignMirror

Mirroring a body or a list of features consists in duplicating these elements using a symmetry.

Current Solid

Feature List

Select the operation Mirror and the mirroring plane

Select the features by multi select, the Operation Mirror and the mirroring plane.Not all features can by mirrored by a feature list.The feature list cannot be edited.

The mirror done by a feature list can be exploded into single features.


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Part Design Transformation Features

Duplicate geometry of one or more features at the location of arectangular pattern.

Duplicate geometry of one or more features right away at thelocation of a circular pattern.

Duplicate geometry of one or more features right away at thelocation of a pattern defined by user.

User Pattern

Rectangular Pattern

Circular Pattern

Note:

In the assembly workbench it is possible to reuse pattern for positioning. To benefit from this possibility, use pattern as standard practice.


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Part Design Rectangular Pattern

Instances: Number of Copies including the object to patternSpacing: Distance between to CopiesLength: Distance between the first and last copy

Reference directions

LengthSpacing

Object to pattern

With the Option „Keep Specifications“ the limitation options e.g. „Up to Last“ of the initial element is used for all pattern instances .


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Part Design Circular Pattern

Instances: Number of Copies including the object to patternAngular spacing: Angle between two CopiesTotal Angle: Angle between the first and last copyCircles: Number of CirclesCircle Spacing: Distance between two CirclesCrown Thickness: Distance between the inner and outer circleReference Element: Rotation Axis

Angular Spacing

Circle SpacingReference Element

Object to pattern


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It is possible to use a cylindrical face as a reference element of a circular Pattern

Select cylindrical face as a reference element

pattern origin

ActivateRadial alignment

DeactivateRadial alignment


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With the option “Instance(s) &unequal angular spacing” an individual angel between all instances can be defined.

Edit each angel by double click


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Part Design User Pattern

In case of „User Defined Pattern“, only points which are defined in one sketch can be selected. Single 3D Points can’t be used, even if they are all on the same plane.

Object to pattern(Hole)

Each Point in standard mode in the sketch define the position of a pattern instance.

Anchor: The Centre of the object to pattern is positioned of the sketch points. If you need an other point of the initial geometry you must define an anchor.

Initi

al S

ituat

ion

With

out A

ncho

r

With

Anc

hor

Anchor


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Part Design Pattern – Hints and Tips

It is possible to pattern a list of Part Design features. These features must belong to the same body. The body must be set as “Define in Work Object”.

You can only get a feature list while the creation of the pattern. You have to multi-select at least twoobjects before you click the Pattern Icon.

Note that adding a feature to a pattern is only possible if your pattern is already based on a feature list.

It is not possible to add any feature to a basic pattern created using a single feature.

Pattern based on a feature list

• Deleting an instance of the pattern, the whole pattern will be deleted• Suppress an Instance of the pattern by clicking the small orange dot• If no feature is selected, the current Solid will be pattered.


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Part Design Reference Elements

Define a point by coordinates, on a curve, on a plane, on a surface, at a circle centre, tangent point on a curve, and between two elements.

Create lines by following methods: point to point, point and direction, angle/normal to curve, tangent to curve, normal to surface, and bisecting.

Create planes by various methods: Offset from a plane, parallel through point, at an angle to a plane, through three points, through two lines, through a point and a line, through a planar curve, normal to a curve, tangent to a surface, from its equation, mean through points.

Point

Line

Plane


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Part Design Surface Based Operations

Split a body with a plane or surface.

Add material to a surface in two opposite directions by using thethick surface capability.

Define a body by closing a surface. The sites to be close must beplanar.

Add or remove material by computing the intersection between agiven surface and a body. The surface must completely intersect the body.

Split

Sew Surface

Close Surface

Thick Surface


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Part DesignSplit

Split the current body on a plane or surface.

The surfcae must intersect the whole solid

The arrow indicate the side to keep. Select the arrow to invert.

Split on a surface

Split on a plane


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Part Design Thick surface

Pos

itive

Sec

ond

Offs

et

The arrows indicate the direction of the first offset.Click on an arrow or the “Reverse Direction” button to invert the direction.

Neg

ativ

e S

econ

d O

ffset

Is the Offset value greater then the smallest concave curvature radius of the surface, this face cannot be on the borders of the surface


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Part DesignSew Surface

The Sew Surface operation integrate a surface in the current body an combine them.

Add materialRemove material

Without the option „Intersect body“ the surface boundaray have to lay down complitly on the triming body

With the option „Intersect body“ the sew Operation is combinedwith a split operation.


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Part Design Boolean Operations

Assemble

Assemble a body to another body. The second body will be attached to the first one.

Add a body to another body. Adding a body to another onemeans uniting them.

Remove a body from another body. Removing a body from another one means subtracting them.

The material resulting from an intersection operation between two bodiesis the material shared by these bodies.

Assemble two bodies by defining the elements to be kept orremoved while performing the union operation.

Intersect

Union and Trim

Add

Remove


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Part Design Using Boolean Operations (1/4)

AddA fusion of a body to the existing geometry which doesn’t define a NC-operation like pocket or drilling hole. Most common operation, also often used to make a better structure in the tree. Don’t use it for pockets and holes.

RemoveRemoves a body from the existing geometry. Only use it for non NC-operations. Note: If the Remove is the highest part in the sub-tree, it automatically changes to an Add and leads to undesired results!

Using Boolean Operations


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AssembleAssemble of positive or negative bodies for operations.Before the Assemble the raw part has a positive volume.

Holes and NC pockets in parts should not be created by Boolean volumes in the raw part, since these cannot be recognized later as NC relevant operations.

It is also wrong to create the holes as normal pads, you get geometrically the same result, but the logical structure would be incorrect, since it should be a hole and not a dummy subtraction body.

Assemble means:

• Remove material, if the body consists of pocket volumes.

• Add material, if the body consists of pads.

Note:

NC pockets should be created using the Pocket feature.

Using Boolean Operations


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Part Design Using Boolean Operations (3/4)• Structure Parts with different bodies

Bodies TreeFeature Tree

• Used for simple parts up to ~20 features• Only one body (PartBody) is used• The first feature must be positive, up from

the second feature positive and negative features can be used

• Used for complex parts with more then ~20 features

• The geometry is divided into several geometrical areas

• The bodies must be connected by Boolean operations


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Part Design Using Fillets and Drafts

Fillet and Draft Rules

Draft before FilletFillets should always be added to a part after drafts, since the value of the fillet will be changed and a kind of “variable fillet” with different radii will show up. (Exception: draft on reflect line.)

Large Fillets before small FilletsIf the rule is not take into account, it can lead to incorrect geometry and even in special cases to error messages, since the geometrical creation is impossible.

Vertical Fillets before horizontal Fillets

Order of the Fillets in the Specification TreeTo get a higher update performance and improve modification possibilities, the Dress- up features (fillet, chamfer, draft and shell) should be used in a special order. E.g. fillet should be one of the last features. On the other hand, by waiting with the fillets to the total end of the design, the creation of the fillets might be more complex or even impossible. So, use the fillet function quite early, but take the later design into account.

Only group together edges which mandatory will have the same radius value (See AM2259)


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Part Design Link management – Sketch (1/5)

Create a sketch in a Geometrical Set (Sketch.1) …

Using Sketch from Geometrical Sets (1/2)

Note:To avoid this “duplication” of the sketch, create it directly in the body which will contain the element bearing on the sketch, or cut and paste into that body.

… and create through it a Pad (Pad.1) in a new Body (Body.2) …

…the sketch appears twice in the structure tree, under the Geometrical Set body and under the pad. For modification just click on one of them.Note: If the sketch is deleted in the Geometrical Set, the pad will also be deleted.


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In this case Sketch.1 from Geometrical Set.1 is used to create Pad.1 and Pad.2. Changing the Sketch.1, will modify both Pads.

In order to independently modify the Sketch of Pad.2, create a new sketch first. Use “copy and paste” to create a copy of the original sketch.

Under Profile > Selection, replace the Sketch.1 by Sketch 2 (Copy of Sketch.1).

Using Sketch from Geometrical Set (2/2) Then edit the pad definition of Pad.2. Double-click on Pad.2 or use MB3 on Pad.2 > Pad.2 object > Definition.


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… and copy this one by “copy and paste” in a Body (Body.2), ...

Copy and paste a sketch from Geometrical Set

Create a sketch in a Geometrical Set (Sketch.1) …

… there won’ t be any link created between the sketches . The new sketch is independent (Sketch.2)


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… copy and Paste this body in the Part (Part1), …

Copy and Paste a Body

Create a sketch (Sketch.3) in a body (Body.2) …

… The result will be a new Body (Body.3) and an independent sketch (Sketch.4).


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Create a sketch in a Geometrical Set or a Body (Sketch.1) …

Copy and paste special a sketch from Geometrical Set or Body

The link can be deleted afterwards by MB3 on the new sketch > Sketch.2 object > Isolate. By this operation the Icon of the sketch in the Specification-Tree will change.

… and then copy it with “copy and paste special” > AsResultWithLink into another body (Body.2), …

… the new sketch (Sketch.2) has a link to the original sketch and it can’t be modified.

Caution:


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Part Design Link management – Publication (1/2)

Published Geometry

Publication is the process of naming elements (geometric features or parameters) with specific tags.Published elements can be used in one CATPart or for maintaining multi-model links. Published geometry is similar to that of linked geometry but published elements have a greater level of associativity.

The Publication command is available in the workbenches Assembly Design, Part Design and Generative Shape Design and lets you:

• publish one or several geometric element/s • edit the default name given to the published element • replace the geometric element associated with a name • delete a published element.

Note:To create Symmetrical Parts or Assembly-Cut Parts it is necessary to publish the PartBody


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Part Design Link management – Publication (2/2)

Published Geometry

Tools > PublicationSelect the element to be published (e.g. plane.2)

Select the Name (plane.2) twice and Rename it (e.g. Main Plain)

The plane is published under a new name, but the geometric element Part1/Geometrical Set.1/Plane.2 has not been renamed.


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Part Design Material

Apply Material

Applies customized view parameters

The window can also be opened withView > Render Style > Customize View

Apply Material

Show Material

Select a material on the list Set the properties


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Part Design Hints and Tips – Searching Elements

To find out where a visible graphic element is located in the specification tree, select the element and then MB3 > Center Graph. The element will be highlighted in the tree.

To find the graphic representation of an element, select this element in the tree and then MB3 > Reframe on. The element will be centred inside the document window. It is also possible to search for constraints.

Center Graph

Reframe on


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Part Design Hints and Tips – Working with the specification tree

Show / Noshow the Specification treeWith the key the Specification tree can be noshow an showF3

Collaps and Expand the Specification treeThe specification tree ca be collapsed and expanded by View >Tree Expansion . In the menu Expand Selection you can choose the expansion level

Move and zoom the Specification treeAfter clicking on a branch (white line) in the specification tree you can zoom and pan the tree instead of the geometry. To pan, zoom and rotate the geometry, you have to click on the branch again or on the axis system in the bottom right corner of the window.

Opening Sub-TreesFor a better visualization of the tree, a part of it can be opened in a separate window. Select the item, click with MB3 and choose the contextual command Open Sub-Tree.


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Part Design Hints and Tips – Change the Sketch Support

To define a new support for a sketch, use the contextual menu. Select the sketch and then MB3 > Sketch.x object > Change Sketch Support and then the new sketch plane.

Select the sketch

MB3

Sketch.x object > Change Sketch Support

Select the new sketch plane and define the origin and the orientation of the sketch


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Part Design Hints and Tips – To stack Actions

If an additional geometry is needed to create an element (e.g. a reference to create a line), it is not necessary to close the definition panel. By using the contextual menu (MB3) in the field where the geometry is needed, it’s possible to create it (e.g. a boundary) directly.

MB3

MB3


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Part Design Hints and Tips – Hide Elements

Design geometry (e.g. sketches and planes) must be in the non visible area (hide) before finishing a part.

An easy way to hide all elements of one type is to use Tools > Hide in the pull down menu.


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Part Design Hints and Tips – Behavior of Show/Hide

Show/Hide

There is a hierarchical display status in Catia V5.By hiding a PartBody, all elements below (e.g. Sketches, Geometrical sets) will be hidden too.Note. The status Show/hide of these elements can be changed, but theywon’t be displayed as long as the PartBody is hidden.


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Part Design Hints and Tips – Using multi domain Sketch (1/2)Using Multi domain Sketch to create e.g. Pockets

If a sketch that contains e.g. 4 contours is used for the pocket definition, the result will be 4 pockets with the same height.To manage modifications correctly, initially create 4 pockets bearing on 4 contours. The 4 contours can be either in 4 different sketches or in the same sketch.

For dimensioning contours, it can be suitable to group them in the same sketch.


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Part Design Hints and Tips – Using multi domain Sketch (2/2)Using Multi domain Sketch to create e.g. Pockets

However it is possible to access a single contour inside the sketch while creating pockets.By selecting the profile in the pocket definition panel, use the contextual menu (MB3) to get the Go to profile definition panel. This panel allows a selection of a single contour inside the sketch.

Remove first


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Part Design Hints and Tips – Delete unnecessary elements

In a CATIA V5 Model unnecessary elements (Reference, Wireframe and Surface elements without children) should be deleted when the design process is finished.

Delete Unnecessary elements is in the Workspaces Part Design and Generative Shape Design (GSD) available:

Keep, Solid: Solids are always be keptKeep, used by Solid: Non solids will be kept, when there are parents of a solidsDelete: Non solids will be deleted, if there are not necessary for theSolid design.

The delete Status can be changed by the Context menu:


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Part Design Basic Methods – General Modelling Rules (1/2)

Starting the Design ProcessElementary part axis system used to design the part

• If no more information are given to the designer by ACMT, CDBT, … the default method is Local (Axis inside or near the solid). The positioning will be done within the assembly (See AM5012).


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Part Design Basic Methods – General Modelling Rules (2/2)

• Delete all unnecessary elements

• Do not use red colours for solids

• Every Sketch has to be fully defined by parameters (only if possible)

• Rename the Part Body with the Partnumber and publish them.

• Publish reference elementsTo be able to use the elements in a context, publish the geometry that will be used as reference for the modelling of other parts

• Activate the button "fit all in“ before saving

• Update the part before saving

• Design geometry must be in NOSHOW (e.g.: Sketches, Planes)

• Every part must have only one body (PartBody) (rule: one part one model)To allow use of detail part file in CAM, model one part per CATPart file

• The PartBody has to be set as “Define in Work Object“

• Use QCHECKER V5 tools for CATPart

Finishing the Design Process


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Generative Shape Design Introduction

• Philosophy and Meaning of Surfaces and Wireframe• Toolbars and Icons Overview• Toolbar Wireframe• Toolbar Surfaces• Toolbar Operations


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Generative Shape Design Introduction Philosophy and Meaning of Surfaces and Wireframe

The Wireframe and Surface product allows the creation of wireframe construction elements during the preliminary design and enriches the existing 3D mechanical part design with wireframe and basic surface features.

The Generative Shape Design workbench allows you to quickly model both simple and complex shapes using wireframe and surface features. It provides a large set of tools for creating and editing shape designs.

When combined with other products such as Part Design, both Wireframe and Surface Design and Generative Shape Design meets the requirements of solid-based hybrid modeling.


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Generative Shape Design Introduction Toolbars and Icons Overview (1/3)

ToolbarWireframe

Point Plane Inter-section

Projection

Combine

Reflect Line

Points andPlanes Repetition

Conic

ConnectCurve

Corner

Circle

Line ProjektionParallelCurve

Circle

Spline

Point

PolylineSpiral

Helix

Spline

Extremum

ExtremumPolar

Spine

Axis

LineParallelCurve

3D CurveOffset


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ToolbarSurfaces

Extrude

Revolve

Sphere

Offset Sweep Fill Loft Blend

ConicLine

CircleExplicit

Extrude Sweep

Adaptive Sweep

Cylinder

Offset

Variable Offset

Rough Offset


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ToolbarOperations

Join Split Boundary

Translate

Extrapolate

Disassemble

Untrim

Healing

Join

Trim

Split

Extract

Boundary

Scaling

Symmetry

Rotate

Translate

Axis To Axis

Affinity

Multiple Edge Extract

Shape Fillet

Curve SmoothVariable Radius Fillet

Shape Fillet

Edge Fillet

Face-Face Fillet

Tritangent Fillet


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Generative Shape Design Introduction Toolbar Wireframe

Create a curve resulting from the intersection of the extrusion of two planar curves. The extrusions may be normal to the curves or along a direction

Create a geometry by projecting one or more elements onto a support. The projection may be normal to the support element or along a direction

Create a wireframe geometry by intersecting wireframe elements, surfaces or solids

Projection

Combine

Intersection

Parallel Curve

Create a curve parallel to a reference curve


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Generative Shape Design Introduction Toolbar Surfaces

Extrude

Create a surface by extruding a profile along a given direction

Create a surface by rotating a planar profile around an axis

Create one or several surface by offsetting an existing surface or a set of surfaces

Revolve

Offset

Fill

Create fill surfaces between a number of boundary segments

Create a a full or a partly spherical surface

Sphere

Cylinder

Create a cylindrical Surface


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Generative Shape Design Introduction Toolbar Operations

Join at least two adjacent surfaces or two adjacent curves.

Split a surface, a wireframe element or a solid with a cutting element.Note: If you split a solid, the result will be a split-surface.

Performing an extract from elements (e.g. curves, points, solids)

Join

Split

Extract

Boundary

Extrapolation

Create boundary curves of one or several surfaces

Extrapolate a curve or a surface boundary

Trim

Trim two surfaces or wireframe geometry. Both elements will be modified.


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Generative Shape Design Introduction Hints and Tips - Managing Multi-Result Operations (1/2)

If the result of an operation is not a single element, you can choose, which part of the result should be used .

Example:Intersection between a Circle and a plane. The Operation contain to points which can normally not used for the next operation (e.g. line from Point to Point)

The Multi-Result Dialog box appears


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Generative Shape Design Introduction Hints and Tips - Managing Multi-Result Operations (2/2)

Using the „Near“-Function to keep only one Sub-element

Only this element which is nearest to the reference element will be kept.

The Near- Function can also used by the menu Insert

Using the „Extract“-Function to keep only one Sub-element


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Q-Checker

• General• Quality Control of Catia V5 Data• Quality Control of Catia V5 Data in a Batch Process


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Q-Checker General

The Q-Checker controls the data quality of CATProducts, CATParts and CATDrawings. It checks the compliance with Airbus standards, the structure and the geometry, and provides automatic correction functionalities. The results of the analysis will be displayed in an interactive panel. Good data quality avoids a lot of workload in following process steps (DEX, CNC).

To assure, that errors are detected early so that only a small workload for modelcorrection will be needed:• Use the Q-Checker from an early stage• Repeat the check regularly, at least daily before storing.

It is advised to check the data only with the AIRBUS administrator profiles Note:Only the check performed with the administrator profiles will automatically be taken intoaccount before• storing in the vault• data exchange• release process


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Q-Checker Quality Control of Catia V5 Data (1/4)

StartQ-Checker

Select a check profile

Q-Checker start without healing

Note: As the Catia model is considered to be under the responsibility of its author, the automatic function will not be used

Prepare batch run

In this mode it is possible to analyse numerous models at the same time

Accessing Q-Checker from CatiaV5

Available profiles for Long Range:AIRBUS_LONGRANGE (default)AIRBUS_LONGRANGE_FLX(for FLX and CUT parts)


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Error Categories

Red ErrorPrevents the execution of certain steps. Not possible to check in into Primes.

Model is rejected in release and data exchange process. Correction is mandatory

Blue WarningResults normally in disadvantages, but cannot be avoided in certain situations

Correction by user is recommended but not mandatory

Green Error-free The element is ok

The active Catia model is checked automatically

RepresentationAnd Description

Healing and close AnalysisWindow


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The incorrect element is shown centred and enlarged

Zoom automatically

Representation and Description

Getting of additional graphic information for some violated criteria.

Graphic FineAnalysis

This help includes illustrating pictures, the problem description, a suggested solution, and an application tip.

CriterionHelp


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Heal Automatic healing of errors according to the settings in the profile.

If the automatic healing isn’t available in the analysis panel, the correction must be done by using the Catia function. Close panel

and restore

Close panel and keep current

The analysis panel will be closed and the original Catia settings will be restored

The analysis panel will be closed and the current Catia settings (the modifications done during the healing) will be used

Note:To do the modifications, you have to exit the Q-Checker

Healing and close Analysis WindowNote:The automatic healing is not to be used for transfer to first permitted layer


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Q-Checker Quality Control of Catia V5 Data in a Batch Process (1/2)

1 Pre-selection of CATIA models (Filetree, CATIA Declaration Files, Current Session)

2 Selection of directory3 Selection of models – only

the marked model will be checked

4 Possibilities to filter the models for a better selection

1

23

4

Q-Checker provides the ability to check more than one modelin a batch process.


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Q-Checker Quality Control of Catia V5 Data in a Batch Process (2/2)

1

31 Declaration of the control

(*.in) file2 Path and name of the output

file3 Selection of check profile4 Declaration of the name of

the report files

After the performing of the batch mode check, the output file will be generated in the specified directory. The output file contains information about the check run and the model assessments.

2

4


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Assembly Design

• Structure and Components• Document Modes• Toolbars and Icons Overview• Product Structure Tools• Moving Tools• Assembly Constraints Tools• Creating Assembly Constraints• Save Management• Linkmanagement• Standard Parts• Hints and Tips

• Hide Elements / Search• Positioning of Components


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Root Node (CATProduct)

Referenced Assembly (CATProduct)

Link between items

Sub-Assembly (CATProduct)

CATPart

Part instantiated twice

M1

M2

M3

M4

M5

M6

M7

M8

Assembly DesignStructure and ComponentsThe CATProduct structure is a hierarchical tree composed of items (or nodes). A CAD model (wireframe, solid, etc.) can be assigned to each item. This model can be positioned in space within the Assembly Design Workbench. A positioning matrix may be assigned to the link between the component and the higher sub-assembly. Repetitive parts are instantiated several times and are therefore assigned several positioning matrices.

Structures are represented in a CATIA V5 specification tree composed of nodes, and managed by a "parent/child" link system.

Component (Components are internal sub-assemblies within a product structure and are not saved as external CATProduct files)


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Assembly DesignDocument Modes

There are two different document modes available when a product is opened

• Visualisation ModeVisualisation mode opens a significantly lighter model than its true geometrical form, and can increase the performance. The visualisation mode uses a geometrical format .cgr (Catia Graphical Representation) that represents only the external appearance of the component. No Specification Tree available.

• Design ModeDesign mode is the original editable format, making all geometrical data available. Exact geometry is loaded.

If the Option “Work with the Cache System” is activated (default at AIRBUS) all parts are loaded in Visualisation mode.

Document Modes

When modification is required on a part it can be converted from visualisationto design mode by: • MB3 over the part icon > Representations > Design Mode or• double-click MB1 on the part icon


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Assembly Design Toolbars and Icons Overview (1/2)

ToolbarProduct Structure Tools

NewComponent

NewProduct

ReplaceComponent

GraphTree

Reordering

GenerateNumbering

NewPart

ExistingComponent

SelectiveLoad

ManageRepresentations

MultiInstantiation

Fast Multi Instantiation

Define Multi Instantiation

ToolbarMove

Manipulation

Stopmanipulate

onclash

Explode

Snap

Snap

Smart Move


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Assembly Design Toolbars and Icons Overview (2/2)

ToolbarConstraints

Coincidence Offset

Flexible/RigidSub –

AssemblyAngle

Fix QuickConstraint

FixTogetherContact

ChangeConstraint

ReusePattern

AssemblyFeatures

Createsymmetry

Remove

Add

Pocket

Hole

Split

ToolbarAssemblyNot allowed

at AIRBUS

Not allowedat AIRBUS

Caution: Do not use the Flexible / Rigid Sub Assembly command in the Assembly Design workbench as this causes problems when assembly trees created with CATIA V5 are converted to Product structure format(See AM5012)


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Assembly DesignProduct Structure Tools (1/2)

Existing Component

Insert an existing component (e.g. part or assembly) into an existing assembly. Multiple Components can be selected using the Control and Shift Keys

Components, Products and Parts can be reordered inside the main Product and Sub-Products. To reorder the tree: select the reorder icon and then the product to be changed

New Component

Graph Tree Reordering

New Product

New Part

Insert a component into an existing assembly. Components are internal sub-products within a product structure and are not saved as external .CATProduct files

Insert a product into an existing assembly.

Insert a part into an existing assembly.


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Assembly DesignProduct Structures Tools (2/2)

GenerateNumbering

Fast Multi Instantiation

Quickly repeat the insert of a component

SelectiveLoad

ManageRepresentations

Number the components of an assembly. You can find these instance numbers in the properties panel of the components.

Load partially some components in an assembly.Can be applied only when the option Load referenced documents, in Tools > Options > General is deactivated

Managing context-specific representation of Parts (e.g. shape or .cgr) in the assembly structure.

Define Multi Instantiation

Quickly repeat the insert of a component as many times as you wish in the direction of your choice


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Assembly DesignMoving Tools

Manipulation

Move a component freehand (translate or rotate) with the mouse by using the Manipulation Parameters dialog box. The move can be done with respect to existing constraints.

Project the geometric element of a component onto another geometric element . The element selected first is always the element that will move. No constraints will be created. It is necessary to work in the Design mode.

Combines the constraint creation and snap capabilities. The smart move panel contains a list of the constraints that can be set. This list displays these constraints in a hierarchical order.

Exploding an assembly takes into account the assembly constraints. This Explode type is applicable when coincidence, constraints axis/axis or plane/plane are assigned to the assembly

Explode

Snap

Smart Move

Compass

Manipulate the assembly by checking if the components react in the expected way, i.e. according to the constraints. Select the red squareat the centre of the compass and drag it onto a component to snap it to this component. Press and hold down the Shift key while moving.


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Assembly DesignAssembly Constraints Tools (1/2)

CoincidenceConstraint

Angle Constraint

Is used to align elements. You may obtain concentricity, coaxiality or co-planarity, depending on the selected elements. Points, Lines, Planes, Planar Faces, Cylinder’s Axis, Sphere’s Point are elements which can be selected. Their orientation can be defined by choosing 3 options: Same, Opposite, Undefined (with it, the Application will find the best solution)

Create a contact between two planar Faces. The contact area between the Facescould be a point, a line or a plane. Planar Faces, Sphere, Cylinder, Cone and Circle are elements which can be selected.The contact’s Orientation can be external or internal

Set an Offset constraint between two components. Points, Lines, Planes,Planar Faces can be selected. The Faces orientation should be specifiedwhen defining an Offset Constraint.

Set an angle Value as constraint between elements of 2 different components.Lines, Planes, Planar Faces can be selected as Elements.

ContactConstraint

OffsetConstraint


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Assembly DesignAssembly Constraints Tools (2/2)

Not allowedat AIRBUS

Fix Component

Does not allow a component to move from its Position during the update operation.There are two ways of fixing a component: According to the Assembly geometrical origin (absolute position) and according to the other components (relative position).

Instead of moving a whole Sub-Assembly, this Function gives the opportunity to move only one component of a sub-Assembly within the main Assembly. Before the moving, the Sub-Assembly must be defined as Flexible.

Repeat automatically a Component in an assembly by using a Pattern created in Part Design. There are two work modes: - Using associativity with the geometry: the option "Keep link with the pattern" is on- Using no associativity: the option is off

Flexible/RigideSub-Assembly

Reuse Pattern


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Assembly DesignCreating Assembly Constraints

Part instance 6.1

Part instance 4.1

Sub-Product C

Constraints

Product A

Sub-Product B

Part instance 3.1

Part instance 5.1

Sub-Product D

Part instance 2.1

Part instance 1.1

You can apply constraints only between the child components of the active component

Note: The active component is blue framed (default colour) and underlined. It is activated by double-clicking.

You cannot define constraints between two geometric elements belonging to the same component

You cannot apply a constraint between two components belonging to the same subassembly if this subassembly is not the active component

Creating Assembly Constraints


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Assembly DesignSave Management

The Save Management command lets you save all or several of your new or modified documents (CATParts and CATProducts). In the Save Management panel the state (e.g. opened, modified, new) is displayed.


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Assembly DesignLink management

See AM2252 CATIA V5 Multi Model Links

The option “Keep link with selected object” is deactivated by default


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Assembly DesignStandard Parts (1/2)

Using a Standard Part contained in a Standard Part Catalog

1. Access the Catalog Browser

Select the Catalog Browser Icon or Tools > Catalog Browserto access the Catalog Browser directly, and then browse to find the needed catalog

Catalog Browser

Browse another Catalog

Key in or select the AIRBUS catalog directory

See AM5012 CATIA V5 Assembly Rules

Standard parts are elements defined by a standard document. They are delivered in a CATIA V5 catalog named “AIRBUS CATALOG”.


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Assembly DesignStandard Parts (2/2)

2. Navigate through the chosen catalog3. Select the desired family and within this family the part you need4. Right-click to select the Copy contextual command5. Select the base of your assembly6. Right-click to select the Paste contextual command

The part is copied into your assembly.Note that this part is no longer linked to the catalog.

Note:If you select Tools > Mechanical Standard Parts > xxx catalogs you will access a catalog delivered with CATIA V5 (EN, ISO …). This are not AIRBUS standard catalogs!


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Assembly Design Hints and Tips – Hide Elements / Search

The functionality Tools > Hide is not available in the Assembly Design.To hide the same type of elements, use the Edit > Search function from the pull down menu to find the elements and then click the Hide icon.

E.g. search all planes


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Assembly DesignHints and Tips – Positioning of Items (1/4)

ContactConstraint

The example shows how to position one Part (A) in a specific angle (45 degree) to another cylindrical Part (B).

1. Fix Part B

2. Create a contact constraint between Part A and Part B• Select the face of Part A to be constrained• Select the circular face of Part B• Click the Contact Constraint icon, select External Orientation and then ok

Part APart B


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3. Position the compass to get a rotation axis• Select the red square at the centre of the compass and drag it onto Part B to snap it

to the cylinder axis

4. Select the Part A

5. Double click one of the green compass axis to open the Compass Manipulation panel


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6. Rotate the Part A • Define the angle value (45 deg) in the Rotation increment field• Click the rotation icon

7. Close the Compass Manipulation panel


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8. Put the compass back to the default position• Drag the compass away from the selected part and

drop it on the axis system in the lower right corner of the document window

9. Fix the Part A• Select the Part A• Click the Fix Component icon

Fix Component


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Generative Drafting

• Starting the Drafting Workbench• General Drafting Rules• Quality Rules• Toolbars and Icons Overview• Generating Views• Generating Dimensions• Generating Instantiations• Generating Drawings from 3D• Changing the Drawing Scale• Replacing the Drawing Sheet• Overload Properties• Plot / Print• Hints and Tips

• View Properties


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Generative DraftingStarting the Drafting Workbench (1/3)

Use the Start > Mechanical Design > Draftingpull down menu for starting the Generative Drafting Workbench. A new CATDrawing will be activated with an empty sheet.

See AM2264 Main Module Drafting with CATIA V5

To check that the correct ISO file (AIRBUS_ISO) is used, proceed to File > Page Setup within the CATDrawing

Also use File > Page Setup to modify the format


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If the 3D geometry already is open in V5 when using the Start > Mechanical Design > Drafting it is possible to select betweenan empty sheet or the automatic layout.

Use Modify... to select the correct ISO file (AIRBUS_ISO) and to do the page setup

OK


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When any work needs to be done on the views,select Edit > Working Views.

When any work needs to be done on the title block,select Edit > Background.

Drawing frames and title blocks must be stored within the Background of the CATDrawing file

The geometry will be created in the Working Views


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Generative DraftingTitelblock Work arround (1/5)1. Change from Working Views

in Background

2. Select Button Catalog BrowserSelect Button Browse another catalog : /CADLIB/std/CATIAV5-Drafting/A-Dopen the catalog: FramesGeneralEng.catalog


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3. Open the chapter „Frames“.

4. Select a frame format with double click or with the contextual menu „Instantiatecomponent“. For the exact positioning the smart pick can be used.

Generative DraftingTitelblock Work arround (2/5)


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6. Is no detailsheet in the drawing a new one will be created..

5. Break the links to the Catalog document.Select the componenets insert from the catalogs Catalog objects and use the function„xy Object / Expose 2D Component“ in the context menu from the right mouse button.



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8. Change back to the Working Views

7. Check if all links to the catalog document are broken by the function Edit / Links. Onlythe link type ViewLink and no MML may be shown in the link list.



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9. To insert a Text in the title block you have to change to the detailsheet and edit the text

Do not delete unused text (xxxx) replace this text by a dash ( - ).



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Generative DraftingGeneral Drafting Rules

• Only one sheet per file (CATDrawing) shall be produced• Many detail sheets can be produced per CATDrawing• If a drawing will contain more than one sheet a separate CATDrawing file

needs to be created (xxx-01.CATDrawing, xxx-02.CATDrawing, …)• All title blocks will be inserted within the Background of the CATDrawing• When creating a drawing with CATIA V5 the naming of the CAD files

shall conform to AP2610 and ABD0004• The sheet sizes shall conform to ABD0004 Part1


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Generative DraftingQuality Rules

• The Magnitude Length shall be mm.• View Frames shall be invisible, otherwise they would occur in TIFF files• The first 9 characters of the CATDrawing file name and the CATPart/CATProduct file

name, which is linked by the views, shall be identical. This is needed to assure the consistency between the part/product and its representation in a drawing

• There shall be no activated View in Sheet / no activated Detail View in Detail Sheet. Plot problems are possible, if one of the views / detail views etc. is activated instead of the sheet.

• A View should always linked to Part/Product. • View with broken link to part/product shall be avoided• Non-associative Dimensions and Non Up-to-date Dimensions shall be avoided• Fake Dimensions should be avoided• Elements in a 2D view, which have been created by hand and have no association to 3D

should be avoided• Empty sheets, views, detail views should be deleted• Look the views• Use the QCHECKER for drawings

To assure the overall usage (PDM-System and Release Management) of the drawings there some rules to follow:


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Generative DraftingToolbars and Icons Overview (1/9)

ToolbarViews(1/2)

Projections

Sections

Details

Clippings

Break view

Wizard

FrontView

UnfoldedView

View from3D

ProjectionView

AuxiliaryView

IsometricView

AdvancedFront View

Offset SectionView

Aligned SectionView

Offset SectionCut

Aligned SectionCut Detail

View Profile

DetailView

Quick DetailView

Quick DetailView Profile


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ToolbarViews(2/2)

Projections

Sections

Details

Clippings

Break view

Wizard

ClippingView

Clipping ViewProfile

BrokenView

BreakoutView

Views via the Wizard


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ToolbarDrawing(Working Views activated) New Sheet

New View

Instantiate 2D Component

ToolbarDrawing(Background activated)

New Sheet

New Detail Sheet

Bill of Material

Frame Creation Instantiate 2D Component

Selected Edit > Working Views or Edit > Background in the Pull Down Menu to switch between the Views and the Background


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ToolbarDimension Generating

GenerateDimensions

GeneratingDimensions Step by Step Generate Dimensions

GenerateBalloons


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ToolbarDimensioning

Dimensions Re-routeDimensions

Details

DatumFeature

Dimension

CumulatedDimensions

StackedDimensions

Length/Distance

Dimensions

AngleDimensions

RadiusDimensions

DiameterDimensions

ChamferDimensions

HoleDimension

Table

CoordinateDimensions

ThreadDimension

CoordinateDimension

Table

Remove Interruption(s)

CreateInterruption(s)

Re-routeDimensions

GeometricalTolerance

Technological Features Dimensions (TFD)

TFDLength

TFD

Angle TFD

RadiusTFD

DiameterTFD


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ToolbarTools Palette

Force dimension along a directionDimension perpendicular to a directionDimension along a fixed angle in view

Projected dimensionForce dimension on elementForce horizontal dimension in viewForce vertical dimension in view Force dimension along a directionTrue length dimensionIntersection point detection


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ToolbarAnnotations

Text

Text

Text withLeader

Symbols

Table

DatumTarget

Ballon

TextReplicate

Table

Weld

WeldingSymbol

RoughnessSymbol

TextTemplate

Placement

TableFrom CSV


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ToolbarDress Up

Threadwith

Reference

Axis Line

Axis Lineand

Centre Line

CenterLine

Centre Linewith

Reference

Thread

Axis andThreads

Area Fill Arrow


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Sketchergrid

ToolbarTools

Snap topoint

AnalysisDisplayMode

CreateDetected

ConstraintsDimension sytemselection Mode

ShowConstraints

FilterGeneratedElements

For the Toolbars Positioning, Analyse, Multi-View, Dimension generation, Dimension Properties, Profile, Background and General Tools see the Catia V5 Online Documentation:Workbench Indexes > Generative Drafting > Workbench Description > Command Board

F1


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Generative DraftingGenerating Views (1/2)

View CreationWizard

Create predefined Views about the assistant. It is possible to use defaultpredefine Views or to create new configurations of views.

Create associative Views from 3D.

Create an offset/aligned section view, or an offset/aligned section cut

Create a detail by defining a circle or sketched profile.

Detail View

Front View

Offset SectionView


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Generative DraftingGenerating Views (2/2)

ClippingView

Create clippings by definition of a circle or a sketched profile.

Create a broken view by modification of an available view.

Create a breakout view by modification of an available view.

BrokenView

BreakoutView


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Generative DraftingGenerating Dimensions (1/2)

Dimensions

RoughnessSymbol

Generate Dimensions such as Distance, Length, Angle, Radius, Diameterand so on.

Create Datum Features and Geometrical Tolerance.

Create Text such as Text with Leader, Balloon and Datum Target.

Create Roughness Symbols, Welding Symbols and Welds.

Datum Feature

Text5

A


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Generative DraftingGenerating Dimensions (2/2)

GeneratingDimensions

Generate all Dimensions from 3D in one Shot or Step by Step.

Analysis of dimensions that were generated and possibly re-positioned on the active view. Dimensions Analysis shows the dimensioninterferences.

Dimensions are automatically re-positioned.

DimensionsAnalysis

DimensionPositioning...


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Generative DraftingGenerating Instantiations

New DetailSheet

Create a new Detail Sheet. The geometries created in this sheet can beinserted in the Drawing sheet.

Insertion of geometries from Detail Sheet.

Insertion of Standard Details with Catalog Browser.

Instantiate2d Component

CatalogBrowser


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Generative DraftingGenerating Drawings from 3D (1/2)

1. Use the Start > Mechanical Design > Drafting pull down menu for starting the Generative Drafting Workbench. A new CATDrawing will be activated with an empty sheet.

2. Insert the drawing frame and the title block in the Background3. Select Edit > Working Views4. In the same session open an existing part or product (if not already opened)5. Use Window > Tile ... to show both the 3D geometry and the drawing6. For View creation use either

• the normal Projection panel

• or the View Creation Wizard


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Generative DraftingGenerating Drawings from 3D (2/2)

6. Select a reference plane on the 3D geometry to define the front view

7. Specify the final view direction with the view manipulator

Note:Drawing views generated are fully associative with the 3D model so therefore when a CATPart/CATProduct requires a modification, the CATDrawing will subsequently require an update to take into account the changes.The drawing can be checked at any time to make sure the links are maintained with the 3D model. This is done using Edit > Links.


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Generative DraftingChanging the Drawing Scale

Only the scale of the geometry will be modified, not the value of the dimensions.

• Move the cursor to the view frame and click the MB3 to open the contextual menu• Select the Properties option• Modify the scale of the view

In order to avoid the loose of associativity, the views scale must be changed only in the Properties window and not by overwriting in the Text field of the view.


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Generative DraftingModify the View Projection Plane

After creation of the Front, Projection and Detail Views the projection plane of the Front View can be changed:

Select the Front View and click MB3 to open the context menu:

Choose a new projection plane in the 3D-Window and start the creation of the front view again.

Update the views


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Generative DraftingOverload Properties

• Move the cursor to the view frame and click the MB3 to open the contextual menu

• Select Front view object > Overload Properties option

• Select an element in the Characteristic list

• Click on Edit to open the Editor

• Modify the properties and click ok

In the Overload Properties can be set, how a Part should be represented in the section or in the projection view .

Note: The Overload Properties are only available when at least two Parts exist in the extracted view.


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Replace a 3D Document (1)

View-Link

View-LinkErzeugen einer Neuen Version

Replace 3D Document

Erzeugen einer Neuen Version

View-Link


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Replace a 3D Document (2)

Replace a 3D document of a drawing

Requirement: The UUID of the old and new 3D document must be the same.

1. Open the new drawing and the new 3D document2. Replace the link to the 3D document by Edit/Links

3. Select the option „Loaded Document and select the new Dawing in the list


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Generative DraftingPlot / Print (1/2)

Use Tools > Image > Capture to capture a selected region!

To print or to plot the drawings, click on the function 'Print' from the 'File' menu.It is possible to print/plot the drawings in the actual or in a modified sizes.The choice of the printer and the settings to Page Size and Page Position take place in the 'Print' menu.

1

2

3


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Generative DraftingPlot / Print (2/2)

1

2

3Choose of Printer

Settings of Page Size

Print Preview


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Generative DraftingHints and Tips - View Properties

MB3 on theView > Properties > View…

The generation of the geometry is predefined in Tools > Options > Mechanical Design > Drafting > Generation.

To modify the visualisation and dress-up of a single view, use the View Properties


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DMU Introduction

• Basics• General• Design Review• Document Modes• Cache Management• Memory Allocation• Activate / Deactivate• Load / Unload

• DMU Navigator• Toolbar Overview• Toolbar View• Toolbar DMU Viewing• Toolbar Navigation Tools• Toolbar Data Navigation• Toolbar DMU Move• Toolbar DMU Generic Animation• Fly Mode

• DMU Space Analysis• Toolbar Overview• Toolbar Measure• Toolbar Analyse• Measure• Clash Computation


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• The DMU Workbenches are integrated into Catia V5, the application must not be changed.

• A CATProduct is needed to work with the DMU Tools.

• Within the DMU Workbenches you will worked mainly in the visualization mode. Original geometries can be used by switching from the visualization mode in the design mode.

• All results calculated in the DMU Workbenches (Distance, Measure, Group, Sectioning, …) are filed in the CATProduct under the entry "Applications" in the tree. They are assigned to the highest node and are stored in the CATProduct.

DMU IntroductionBasics – General

See AP2264 Management of the digital mock-up

See AP2266 Digital Mock-Up General Process

• The CATIA V5 DMU solution includes the Workbenches DMU Navigator, DMU Space Analysis, DMU Fitting, DMU Kinematics and DMU 2D Viewer. This documentation will give an introduction into the DMU Navigator and the DMU Space Analysis.


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DMU IntroductionBasics – Design Review

General Process

Find and load necessary geometries

Visualize geometries

Analyse geometries

Mark of problem areas

Documentation and storage of the results

DMU Navigator• 2D/3D Annotation• Group• Spatial Query• Create one or more ‚Scene‘ for comparing the

different Assemblies• Exact positioning ‚Snap‘ of Parts by taking the

geometrical elements into account (lines, points, planes, ...)

• Generating of animation (*.avi)

DMU Analysis• Interactive clash detection• Sectioning• Performing of measurement • Compare products, visualisation of removed or

added geometry• Distance and Band Analysis• Publish of clash detection (*.xml)• Show clash detection as 2D section


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DMU IntroductionBasics - Document Modes

There are two different document modes available when a product is opened

• Visualisation ModeVisualisation mode opens a significantly lighter model than its true geometrical form, and can increase the performance. The visualisation mode uses a geometrical format .cgr (Catia Graphical Representation) that represents only the external appearance of the component. No Specification Tree available. No axis and wireframe geometry is visible. No plus sign is visible in front of the components in the tree.

• Design ModeDesign mode is the original editable format, making all geometrical data available. Exact geometry is loaded.

If the Option “Work with the Cache System” is activated (default at AIRBUS) all parts are loaded in Visualisation mode.

Document Modes

When modification is required on a part it can be converted from visualisationto design mode by: • MB3 over the part icon > Representations > Design Mode or• double-click MB1 over the part icon


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DMU IntroductionBasics – Cache Management (1/3)

The first time a Part is inserted, it is tessellated. It means that the corresponding .cgr file is computed and saved in the local cache as well as displayed in the document window.

The .cgr file is described by the name of the CATPart and a timestamp

Local Cache

Part1.CATPart.”timestamp”.cgr

Catia V5CATProductPart1 loaded in visualisation mode

Insert an Existing Component(e.g. Part1.CATPart)orOpen a CATProduct which includes at least one Part

Tessellation

Working with the Cache System

It is possible to work with a released cache. A released cache is a read-only cache that can be located anywhere on the network and several directories can be defined for this cache.


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DMU IntroductionBasics – Cache Management (2/3)When this component will be required again, the .cgr file which already exists (and not the original document) is automatically loaded from the local cache.

Before the loading of the .cgr file, its timestamp will be checked to verify that no modifications have been made to the CATPart since the generation of the .cgr file.

If the timestamp is out of date, the CATPart will be re-tessellated.

Insert an Existing Component (e.g. Part1.CATPart) or Open a CATProduct which includes at least one Part

Check if .cgr exist in the local cache (e.g. usr/tmp/CATCache)

Check if .cgr exist in the released cache (e.g. fc/d21w1 in the ROA)

Check if timestamp ok

Create a new .cgr in the local cache

Load the .cgr

No

YesNo

No Yes

Check if timestamp ok

Yes

No Yes


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DMU IntroductionBasics – Cache Management (3/3)

To view the contents of the cache use Tools > Cache Content in the DMU Navigator Workbench


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DMU IntroductionBasics – Memory Allocation

Impact of available Functionalities

Icon Function Impact CommentEdit/Delete

delete Model and structure element will be unloaded completely

Model will be loaded in RAM

Model will be unloaded from the RAM

Model is loaded in the RAM, structure element must exist

Model will be unloaded from the RAM, structure element survives

Native Geometry will be loaded

Only tessellated Geometry will be loaded, native Geometry will be unloaded from RAM

hide Models will be transferred in the no-show area, no RAM is released

Models will be transferred from the no-show area in the show area, no additional RAM is covered

load only *.CATPart and *.CATProduct

unload only *.CATPart and *.CATProduct

activate

deactivate

design mode Strong utilization of RAM!

visualisation mode

show


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DMU IntroductionBasics – Activate / Deactivate

Note:If Tools > Options > Infrastructure > Product Structure > Product Visualization > Representation: Do not activate default shapes on open is selected, all geometry will be deactivated while loading.

MB3 > Representation > …

Red axis: Activated

Grey axis:

Deactivated


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DMU IntroductionBasics – Load / Unload

Note:If Tools > Options > General > Referenced Documents: Load referenced documents is selected, only the structure will be loaded.

MB3 > Components > …

Loaded

Unloaded


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DMU IntroductionNavigator – Toolbar Overview 1/4

ToolbarView (Examine mode)

Fly Mode

ToolbarView (Fly mode)

Examine Mode Turn Head

Fly

Accelerate

Decelerate


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ToolbarNavigation Tools

ToolbarDMU Viewing

Look At

Previous View Magnifier

Depth Effects

HorizontalGround

Next View Lighting

Create an Annotated View

3D Annotation

Group

Create Scene

Add Hyperlinks

Manage Annotated Views

Sectioning


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ToolbarData Navigation

ToolbarDMU Move

Search

Spatial QueryGo to Hyperlinks

Start PublishCurrent Selection Panel

Translation or Rotation

Cumulative Snap

Reset Position s

Symmetry

Applicative Entities Reordering


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ToolbarDMU Generic Animation

Track

Colour Action

Visibility Action

Clash Detection (Off)

Clash Detection (On)

Clash Detection (Stop)

Play a Simulation

Track


Record Viewpoint Animation

Edit Sequence


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DMU IntroductionNavigator – View

Fly Mode

Examine Mode

Turn Head

Navigating in examine mode is the default mode. Documents can be examined from the outsideby moving around the perimeters, or from the inside by turning the head to view or movingcloser to different objects.

In Fly mode, you can move upwards or downwards on any horizontal view plane. You can also move forwards or backwards.

Walk Mode

In Walk mode, you can walk forwards and backwards as well as turning right or turning left. You can also walk along the horizontal plane

In Walk mode or Fly mode it is possible to use the ‚Turn Head‘ function.


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DMU IntroductionNavigator – DMU Viewing

Look At

Magnifier

Depth Effects

Horizontal Ground

Lighting

Visualisation of an On-Screen detail by using the button.

Create a separate window where the enlarged details of a document will be displayed. The complete environment is permanently visible.

Achieve 3D depth effects by clipping geometry on a plane parallel to the screen and creating fog effects. After closing the function the clipping planes are still active. Only in deactivating the clipping planes will the components be complete again.

Visualise a plane at the ground level of the document, this enables to recognise if the document is positioned in the right direction.

Variation of ambient lighting effects. It is possible to change the lighting direction, brightness, contrast and highlights.


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DMU IntroductionNavigator – Navigation Tools

Annotated View

3D Annotation

Group

Create Scene

Generate text fields and marker in a stored view. When moving the view the textsdisappear. The function is usable within a section.

Create a comment to describe a problem or to document a message. The comment ispermanently visible.

Define a group of Objects by individual selection. Groups can be stored in the document.

Enable: To work on the evolution of an assembly in a separate window from the actual assembly, Or to save a copy of an assembly in a separate window, work on the development directly on the assembly.


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DMU IntroductionNavigator – Data Navigation

Search

Spatial Query

Start Publish

Search for an object with a specific name, or with a specific type or colour. Search for product properties or objects created using a specific workbench, in acurrent document or throughout the whole product structure.

Preparation of html reports so that you can publish it on the enterprise intranet. You caninsert a snapshot of a clash conflict, add appropriate comments or annotations andeven select parts to insert as a VRML link.

Simplify a complex assembly by displaying only those products you wantto work with. It is based on cubic representation of each part. The size of the cubesis designated by the accuracy parameter.Zone Query: The Ability to search all products is included in a rectangular box


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DMU IntroductionNavigator – DMU Move

Translation or Rotation

Cumulative Snap

Reset the position of Products

Create symmetry on Component

This allows the definition of an environment with additional constraints a component’s reducing degree of freedom

Move a set of components by using the parameters in the Move dialog box.

This resets the position of selected products or of all products if none are selected. The position of products corresponds to the last stored position.

Create a symmetrical component by mirroring, or a new instance by rotation and translation, or the same instance by rotation.


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DMU IntroductionNavigator – DMU Generic Animation


Clash Detection (On)

Clash Detection (Stop)

Simulation Player

Record Viewpoint Animation

Recording of viewpoint animations either using the fly/walk command or direct manipulation of the geometry. A replay is automatically created for each new viewpoint recording.

The simulation player is available every time you create a track, a sequence or when you simulate your track.

Activate interference detection while replaying a simulation.

Activate automatic clash detection stop mode for simulation.

Deactivate interference detection while replaying a simulation.


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DMU IntroductionNavigator – Fly mode

• Select the button „Fly“

• Change to perspective projection by confirmation of the counter „Yes“

• Start the fly: Hold MB2 and click MB1 once

• Beginning of the fly phase. In the middle of the screen a target point appears. On lower screen border there is a green arrow which shows the fly direction. Under the arrow the current airspeed is indicated.

• The fly direction can be steered with the mouse. The deflection depends on the distance between mouse pointer and target point.

• Button ‚Screen up / Screen down‘ – makes possible to adjust the speed.

• Click MB1 again to change the direction of the flight (Change from forward to backward)

• To finish the flight mode switch back into the "Examine“ mode

• Use View > Render Style > Parallel to exit the perspective projection


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DMU IntroductionSpace Analysis – Toolbar Overview 1/2

ToolbarDMU Space Analysis

Create an Annotated View

3DAnnotation

Group

Manage Annotated Views

Clash

SectioningCompare Products

Measure between

Measure Item

Distance and Band Analysis

Measure Three Points

Measure Inertia

See next page


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DMU IntroductionSpace Analysis - Measure

Measure between

Measure Inertia

Measure Item

Measure Three Points

Distance and Band Analysis

Measure the minimum distances and angles between geometrical entities(surfaces, edges, vertices and entire products) or between points.Measuring within a section is possible.

Measure the inertia properties of an object. To store the results in a text file click the export icon.

Measure the length, radius and angles of an arc drawn through threepoints.

Measure the properties associated to a selected item (points, edgessurfaces and entire products).

Measure a minimum distance, distances along x,y,z, or run a band analysisby defining the band and setting the accuracy.


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DMU IntroductionSpace Analysis – Analyse

Clash

Sectioning

Compare Products

Detect interferences between two or more products. It is possible to read or compare clash command results in the Check Clash dialog box. The interferences will be shown in a preview window.

Define a sectioning of one or more products by creating a section plane, a section slide or a section box.

Compare two parts or two products to detect differences between them and identify where material has been added and/or removed.


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DMU IntroductionSpace Analysis – Toolbar Overview 2/2

Export As

Results Window

GeometricalTarget

InvertNormal

EditPositionAndDimension

ResetPosition

EditGrid

SectionFill

Clash Detection

VolumeCut

Grid

Sectioning Definition PanelSectioning tools

SectionPlane

SectionSlice

SectionBox

Positioning by2/3 Selections


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DMU IntroductionSpace Analysis - Measure

Measurements can be executed in tessellated and native geometry. If native geometry (design mode) is measured, the exact values are calculated. With the tessellated geometry the value is approximated. This is made recognisable by a tilde (~).

Tessellated files (cgr) allow no selection of corners, edges and surfaces. To be able to use also this functional character, the mode must be switched from the visualization in the design mode. This must take place before the beginning of the measurement procedure. To avoid unnecessary post loading times, only the geometry which will be measured native should be loaded.

Note:

The results of the functions Clash, Distance, Band Analysis and Section are always based on the approximate representation. By working with cgrs it is the SAG value, by working without Cache or in the design mode it is the 3D Accuracy.Only the function ‘Measure Between’ guaranteed exactly measured values.

The Value of 3D accuracy will be used for the transformation of data in tessellated shape automatically. The value can be changed later. If there is a difference between the SAG of the tessellated Part and the 3D accuracy, the SAG will be used for viewing.


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DMU IntroductionSpace Analysis – Clash computation

• Inside one selection

• Selection against all

• Between all components (Only recommend for smaller circumferences)

• Between two selections

Clash

Apply

•Clash: Red•Contact: Yellow•Clearance: Green

• Contact+Clash

• Clearance+Contact+Clash

• Allow negative Penetration depth, e.g. for flexible Parts


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System settingsCATIA V5 System settings

• Tools - Options• Document search• Display Accuracy• Display of Geometry• Part Update• Assembly Update• Cache Management• Part Number• External References• Product Visualization• Tree Customization• Display in Specification Tree• UNDO Steps


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Tools - OptionsCATIA V5 Tools - Options

Settings (Tools - Options) In this chapter often needed settings are explained for better understanding, user control and system performance.

General informationA “red closed padlock setting” is created by the administrator and cannot be modified by the user.An “grey open padlock setting” can be activated or deactivated (hook, input command or path and so on).

User setting activated

User setting deactivated

System administrator setting


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General - CATIA document searchThis defines the possible paths to look for documents single CAD models or linked in products (“Load referenced documents”).

Allowed or not allowed paths,the “Current” marked is the default path to search and save CAD data.

TOP to BOTTOM search order and with “Active = Yes” allowance to look in this paths for linked CATIA objects.

Document searchCATIA V5 Document search


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General – Display performanceThe “Accuracy” has a great influence in the time needed for rendering your geometry. Therefore keep the standard value or switch back to this value after temporary use of better display e.g. for screen shots.

Display AccuracyCATIA V5 Display Accuracy


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General – Display - Navigation - SelectionThis defines the way the geometry is shown before or after selecting.

Display of GeometryCATIA V5 Display of Geometry

(Face boundary dashed)


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Updating PartsInfrastructure – Part Infrastructure – General – UpdateThese options define the system update for Parts (Solids and Surface Design).An automatic update works suddenly on every modification. If You want to make more modifications at once You should change the setting to manual update to save time.

Part UpdateCATIA V5 Part Update

Synchronization of Links from part to part

e.g. mirrored parts (left / right part)

If activated:

The modification is recognised – but must manually be updated in “red coloured part”


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Updating AssembliesMechanical Design – Assembly Design – General - Update

Assembly UpdateCATIA V5 Assembly Update

These options define the system update for Assemblies. Time save on several modifications like above Manual.


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Cache ManagementInfrastructure – Product Structure – Cache Management

Cache ManagementCATIA V5 Cache Management

For large assemblies it is necessary to work with the cache system. So normally it is activated.


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Correct naming for new partsInfrastructure – Product Structure – Product Structure – Part Number

Part NumberCATIA V5 Part Number

It is recommended to use the correct part name from the very first beginning of a new designed part. So this activated option will help you to avoid mistakes in naming and saving your CATIA model.

On opening a New Part …… Naming is first step Saving with correct predefined name:

Otherwise: Inconsistency


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External References and LinksInfrastructure – Part Infrastructure – General – External References

External ReferencesCATIA V5 External References

Here the creation of “external Links” between parts is controlled. It is not allowed to create such external Links at AIRBUS today.

The activated “Confirm when creating a link…” is an additional control for yourself.


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Display models in productsInfrastructure – Product Structure – Product Visualization – Representation (1/2)

Product Visualization (1/2)CATIA V5 Product Visualization (1/2)

If you are loading large assemblies, you can save time on “not activating shapes on open”. This means, that the product structure is shown in the specification tree – but no geometry is loaded.


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Display models in productsInfrastructure – Product Structure – Product Visualization – Representation (2/2)

Product Visualization (2/2)CATIA V5 Product Visualization (2/2)

In this case you can decide to show only a few needed geometry models by activating them in the tree:

MB3 – Representations – Activate Node


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Display in specification treeInfrastructure – Product Structure – Tree Customization – Specification tree order

Tree Customization (1/2)CATIA V5 Tree Customization (1/2)

This panel is used to manage thedisplay of Product Structure nodes in the specification tree. But only nodesbelonging to products are affected:Constraints, relations, applicationsdefined under a product.

The display within Part structure nodesis not affected!

1

2

1. Position in tree2. Displayed or not


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Display in specification treeInfrastructure – Product Structure – Tree Customization – Specification tree order

Tree Customization (2/2)CATIA V5 Tree Customization (2/2)

Example:


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Displayed information in specification treeInfrastructure – Part Infrastructure – Display

Display in Specification TreeCATIA V5 Display in Specification Tree

To activate the options to be displayed in specification tree set the hooks.

Most important informations are:External References (Links outside the model)

Formula defined:•Parameters (direct access only in tree)•Relations


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General - UNDO stepsHere the possible number of “UNDO” steps is defined.

Increasing this number will influence your system performance especially on big assemblies and part modifications.

UNDO StepsCATIA V5 UNDO Steps


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This document and all information contained herein is the sole property of AIRBUS DEUTSCHLAND GmbH. No intellectual property rights are granted by the delivery of this document or the disclosure of its content. This document shall not be reproduced or disclosed to a third party without the express written consent of AIRBUS DEUTSCHLAND GmbH. This document and its content shall not be used for any purpose other than that for which it is supplied.

The statements made herein do not constitute an offer. They are based on the mentioned assumptions and are expressed in good faith. Where the supporting grounds for these statements are not shown, AIRBUS DEUTSCHLAND GmbH will be pleased to explain the basis thereof.


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Document Control

Issue Date Summary and Reasons for change Writer(s)

Draft A1 21 Sep 2004 Initial Issue Michael Schwartz ACE Academy

Draft A2 03 Jan 2005 Incorporation of information about System settings Michael SchwartzACE Academy

Draft A3 10 Oct 2005 Release update CATIA V5 R12 Marcus BendelACE Academy

Draft A4 26 Oct 2005 Release update CATIA V5 R14 Marcus BendelACE Academy

Draft A5 29 Oct 2006 Enhanced function description Marcus BendelACE Academy

Draft A6 29 Mar 2007 Deleted all German Specific informations Volker KowaldACE Academy