3D PRINTING MAKING THE DIGITAL TO REAL

By-

Krishna Teja Mutyala 06J41A0318

Contents Introduction of 3d printing

Technology using in 3DP

Basic procedure of 3d printing

Applications, Advantages & Disadvantages

Future of 3DP

3Dimensions printing is a method of converting a virtual 3D model into a physical object.

3D printing is a category of rapid prototyping technology.

Rapid prototyping technology

It is a automatic construction of physical objects using additive manufacturing technology.

The first techniques for rapid prototyping became available in the late 1980’s and were used to produce models and prototype parts.

Types of Rapid PrototypingStereo lithography (1986- liquid photosensitive polymers that solidify when exposed to ultraviolet light -

Photopolymer)

Laminated Object Manufacturing (layers of adhesive-coated sheet material are bonded together to form a prototype-

Paper and plastic) Selective Laser Sintering

(1989-uses a laser beam to selectively fuse powdered materials - Thermoplastics, metals, sand)

Fused Deposition Modeling (1990-laying down material in layers -Thermoplastics)

Electron Beam Melting(EBM) (metal powder layer per layer with an electron beam in a high vacuum

- Titanium alloys)

3D Printing

3D Printers3D printing uses standard inkjet printing technology

It implies close traditional to 2D printing.

To create parts layer-by-layer by depositing a liquid binder

onto thin layers of powder.

Basic process of 3d printingAlthough several rapid

prototyping techniques exist, all employ the same basic five-step process.

1.Create a CAD model of the design

2.Convert the CAD model to STL format or

( .PLY,.3DS,.ZPR)

3.Slice the file into thin cross-sectional layers

it can be 0.01 to 0.7mm thick cross sectional area

4.Construct the model layer by layer

-Layer thickness about 0.1mm

-a binder fluid(Photopolymers) is used to fuse the powder in desired areas

- A UV flood lamp mounted in print head to cure each layer as it is deposited.

-Unbounded powder remains to support the part.

5.Clean and finish the model

Removing the prototype from the machine and detaching

any supports.

Unbounded powder is blow off.

System overview

3D printers that print with a variety of materials, such as starch based powder ,ceramic powder & plastic.

It can built complex mechanism in a single run.

As show in fig the tiny gaps b/w gears can also be produced easily.

The major manufacturer of 3D printing equipment is

Z Corporation.

Cost & Time of a productAvg. cost is $2-3 per cubic inch

fig shows about 8.75 cubic inch it cost about $22 to produce.

Architecture It size about -18*14*20 cmPrinting time-9 hours

Applications Most current 3D printers are

not used to create final consumer products .

Rather, they are used for prototypes or to produce

moulds .

Art & Entertainment

Jewelry

Prototypes

Metal castingGeospatialMedicineEducation and Architecture

Future applicationsOrgan printing (also known as tissue printing)

we can make our own design automobile parts and other parts in

home or near by shops .

Create physical 3D models quickly and easily.

High definition color models can be created

Good tolerance

Economical -compared to conventional model making processes

Fastest Print Speed 5x-10x faster than all other technologies

Less skilled workers.

Advantages

Disadvantages

Rough surface finish

It may not be suitable for large sized objects.

3D printers are still expensive

3D printers have the potential of creating many jobs and

opportunities, they might also put certain jobs at risk

Future of 3D printers

Improved accuracy and surface finish

Increased size capacity.

Increase in speed .

Decrease of cost.

Conclusion 3D printing enable the manufacturer to improve there

designs and get the product to market more quickly than ever.

3D printing is developing relative to the developments of CNC and 2D printers becoming faster, easier to operate and cheaper prices.

There is still lot of growth to be seen in this field in near future.

THANK YOU.