1

MSC ADAMS 2005 r2

Crank Slider Mechanism on Incline Plane

GUI Familiarity Level Required: Lower

Estimated Time Required: 1 hour

2

Topics CoveredTopics Covered

1. Change settings

2. Create cylinders, links, blocks, and extruded bodies.

3. Create translational joints, revolute joints, spherical joints, hooke joints, and universal joints.

4. Add rotational motion

5. Add contact forces

6. Rename

7. Rotate objects

8. Translate objects

9. Modify orientation of objects

10. Change appearance

11. Parameterize objects

12. Delete

13. Change view

14. Move origin

15. Verify your model

16. Simulate your model

17. Import parasolid files from CAD

if you have trouble you can import file PACE_shortcut_1_2D_incline.cmd and start from slide 11

if you have trouble you can import file PACE_shortcut_2_2D_crank_incline.cmd and start from slide 18

if you have trouble you can import file PACE_shortcut_3_2D_complete.cmd and start from slide 26

if you have trouble you can import file PACE_shortcut_4_3D_hooke_universal.cmd and start from slide 39

you can also import the complete model: PACE_shortcut_5_3D_contact.cmd

In this tutorial you will learn how to:

3

What You Should AccomplishWhat You Should Accomplish

If you are successful you should end up with a working ADAMS model that illustrates the

movement of a crank slider mechanism

4

a

e

dc

b

f

a. Select Create a new model radio button.b. Choose a Location to save your filesc. Set Model Name as model_1 (default)d. Verify the Gravity text field is set to Earth Normal (-Global Y). e. Verify that the Units text field is set to MMKS - mm,kg,N,s,deg. f. Select OK.

Create New ModelCreate New Model

5

SettingsSettings

a. Click Settings Working Grid…

The Working Grid Settings window will appear

b. Change Spacing text fields in X and Y to 10mm

c. Click OK

To open Coordinate Window

d. Select View Coordinate Window

a

c

b

d

6

Create Incline PlaneCreate Incline Plane

a. Select Extrusion tool

b. Select On Ground

c. Select (-200,0,0), (200,0,0), (150,-130,0), (-200,0,0)

d. Right click

a

b

c

7

Create BoxCreate Box

a. Select Box Tool

b. Click on Point (140, 0, 0)

c. Click on Point (190, 30, 0)

a

c

b

8

RenameRename

a. Right-click on box

b. Select Rename under PART_2

c. Enter .model_1.BOX

d. Click OK

ac

d

b

9

Rotate 20Rotate 20°°

a. Select Reposiiton

b. Highlight all parts

c. Enter 20 for angle

d. Click on counter clockwise button

NOTE: Ignore gravity error message

a

c

d

b

10

Add Translational JointAdd Translational Joint

a. Select translational joint

b. Choose 1 location

c. Select PART_2.MARKER_2

d. Select arrow in the direction of MARKER_2.X

a

b c

d

11

Change AppearanceChange Appearance

a

b

c d

a. Right click on translational joint

b. Select Appearance under Joint_1

c. Select Icon Scale

d. Enter 0.5

e. Click OK

e

12

VerifyVerify

a. Click on Verify button

Make sure that there is no redundant constraint and that the model is successfully verified

b. Select Simulate

c. Select Duration

d. Enter 1

e. Select Step Size

f. Enter .01

g. Select Play

a

b

cd

ef

g

13

Create CylinderCreate Cylinder

a. Select Cylinder tool

b. Turn on Radius check box

c. Enter (10.0cm)

d. Click (-100. 140. 0)

e. Click (-90, 140, 0)

a

bc

d e

14

Modify OrientationModify Orientation

a. Right-click on cylinder

b. Select Modify for MARKER_8

c. Enter 0.0, 0.0, 0.0 for Orientation

d. Click OK

e. Rename PART_3 as .model_1.CRANK

a

b c

d

15

Smooth CylinderSmooth Cylinder

a. Right-click on CRANK

b. Select Modify for Cylinder: CYLINDER_3

c. Enter 100 for Side Count For Body and Segment Count For Ends

d. Click OK

a

b

c

d

16

Create PinCreate Pin

a. Create Cylinder with radius (5.0mm) from point (-100, 70, 0) to (-70, 70, 0)

b. Modify MARKER_13

c. Enter 0.0, 0.0, 0.0 for Orientation

d. Click OK

a

b

c

d

17

Add Revolute JointAdd Revolute Joint

a. Select Revolute Joint

b. Select 1 Location

c. Select CRANK_MARKER_8

a

b

c

18

Add Rotational MotionAdd Rotational Motion

a. Select Rotational motion

b. Enter (360d)

c. Select JOINT_2

a

b

c

19

VerifyVerify

Verify your model and run a simulation

20

3-4-5 Triangle3-4-5 Triangle

21

Move OriginMove Origin

NOTE: when you select Pick… it still shows Set Location

a. Select Working Grid from Settings menu

b. Select Pick….

c. Select BOX.cm

a

b

c

22

Create CylinderCreate Cylinder

Create Cylinder with length = 150 mm and radius = 5mm From BOX.cm in the positive Y-dir

Rename cylinder .model_1.ARM

23

Rotate PartRotate Part

a

b ce

f

a. Select Reposition

b. Click button in the center of arrows (This is the point the part will rotate about)

c. Click BOX.cm

d. Click ARM

e. Enter 36.87° for Angle

f. Click counter clockwise arow

d

24

Create LinksCreate Links

a. Select Link tool

b. Turn on check box next to Length, enter (200mm)

c. Turn on check box next to Width, enter (10mm)

d. Turn on check box next to Depth, enter (6mm)

e. Select BOX.cm

f. Move mouse in positive Y-dir, click once

g. Rename .model_1.DRIVER

a

b

c

d e

f

25

Change Angle and PositionChange Angle and Position

a. Select Reposition

b. Set BOX.cm as your view center

c. Select Link and rotate clockwise 53.13°

d. Enter (250mm) for Distance

e. Select the left arrow button

a

c

d

b

e

26

Add Spherical JointsAdd Spherical Joints

a. Create a revolute joint between the PIN and the DRIVER

b. Select Spherical joint

c. Set 1 Location

d. Select BOX.cm

e. Repeat and add a spherical joint at MARKER.18

bc

d

e

a

27

VerifyVerify

Verify your model and run a simulation

28

What You Should HaveWhat You Should Have

29

Modify Working GridModify Working Grid

NOTE: Set Orientation will still show but the screen will change

a. Select Settings Working Grid

b. Select Global XZ

c. Click OK

a

b

30

Change ViewChange View

a. Click View Pre Set Top

or

b. Right-click on empty work area and select Top

a

b

31

Move PartMove Part

a. Select Reposition

b. Highlight parts you want to move by holding Ctrl and selecting part (Choose CRANK,DRIVER and respective joints)

c. Enter (50mm)

d. Click Up arrow

a b

c

d

32

Parameterize CylinderParameterize Cylinder

a. Right click on ARM

b. Select Modify under Cylinder: CYLINDER_5

c. Right click in length text box

d. Select Expression Builder under Parameterize

a

bc

d

33

Parameterize CylinderParameterize Cylinder

a. Select Modeling Function

b. Select DM

c. Select Assist

d. Right Click Text field

e. Select Pick under All for OBJECT 1

f. Select BOX.2

g. Select Pick under All for OBJECT 1

h. Right Click on end of DRIVER

i. Select DRIVER MARKER_18

j. Click OK

a

bc d

e

ih

j

34

Parameterize Cylinder Parameterize Cylinder

NOTE: ARM will extend

a. Click OK

b. Length text field should read (DM( BOX_2, MARKER_18))

c. Click OK

a

b

c

35

Parameterize MarkerParameterize Marker

a. Right Click on block and select Modify under MARKER_16

b. Right Click Orientation text field, select Expression Builder under Parameterize

c. Select Location/Orientation

d. Select ORI_ALONG_AXIS

e. Select Assign

a

c

d

e

b

36

Parameterize MarkerParameterize Marker

a. Select BOX.cm for From Frame

b. Select MARKER_18 for To Frame

c. Set Z as Axis Name

d. Click OK

e. Click OK

f. Orientation text field will read (ORI_ALONGAXIS( .model_1BOX.cm, .model_1.DRIVER.MARKER_18 , “Z” )

g. Click OK

a

b

c

d

e

f

g

37

Delete JointDelete Joint

The ARM and DRIVER and now connect at MARKER_18

• Right Click on Spherical Joint between DRIVER and ARM

• Select Delete under JOINT_6

• Delete Spherical joint between ARM and BOX

a

b

a

b

c

38

Add Hooke JointAdd Hooke Joint

a. Select Hooke joint

b. Select 1 Location

c. Select BOX.cm

d. Guide arrow to ARM’s center of mass (cm) , click left mouse button

e. Guide mouse to the center of mass in the Y dir (cm.Y) of the box

a

b c

d

e

39

Add Universal JointAdd Universal Joint

a. Double Click on Hooke joint to get Universal joint

b. If not sure check Toolbox specifications

c. Select 1 Location

d. Select DRIVER.MARKER_18

e. Select DRIVER’s center of mass (cm)

f. Select ARM’s center of mass (cm)

a

c

d

e f

b

40

VerifyVerify

Verify your model and run a simulation

41

Create BlocksCreate Blocks

a. Create a block (On Ground), using points ground.EXTRUSION_1.V5 and (-250, 70, 0)

b. Create block using points ground.EXTRUSION_1.V5 and (230, 110 , 0), rename it .model_1.CUBE

a

b

42

Modify Points on ExtrusionModify Points on Extrusion

a. Right click on EXTRUSION_1, select Modify under EXTRUSION_1

b. Click button

c. Enter 353.0 for Location 3, under X field

d. Click OK

e. Click OK

a

b

c

d

e

43

Add ContactAdd Contact

a. Select Contact force

b. Right click in I Solid, select Pick under Contact_Solid, Select BOX_2 (red)

c. Right click in I Solid, select Pick under Contact_Solid, Select BOX_9(orange)

d. Select Coulomb for Friction Force

e. Click Apply

a

bc

d

e

44

Add Another ContactsAdd Another Contacts

Add another Contact between BOX_7 (white) and BOX_9 (orange) with coulomb friction force

45

VerifyVerify

NOTE: The amount of DOF are high because the “CUBE” is not constrained to anything

Verify your model and run a simulation

46

Import Parasolid From CADImport Parasolid From CAD

a. Create new model

b. Click File import

c. Select Parasolid (*.xmt_txt, *.x_t, *.xmt_bin, *.x_b….)

d. Right click in File To Read text field and click browse search for file PACE_UGS_model_3D_complete.x_t

e. Enter .model_1 for MODEL NAME

f. Click OK

b

c

d

e

f

47

Topics CoveredTopics Covered

1. Change settings

2. Create cylinders, links, blocks, and extruded bodies.

3. Create translational joints, revolute joints, spherical joints, hooke joints, and universal joints.

4. Add rotational motion

5. Add contact forces

6. Rename

7. Rotate objects

8. Translate objects

9. Modify orientation of objects

10. Change appearance

11. Parameterize objects

12. Delete

13. Change view

14. Move origin

15. Verify your model

16. Simulate your model

17. Import parasolid files from CAD

In this tutorial you will learn how to: