The slide show gives an introduction to 3D Printing. List of types of 3D priting. Also explains the details on SLS process. It doesn't gives in depth details on types of printer.

1. 3D Printing
Shakti Nadar
SLS

2. 3D Printing
laying down successive layers to create 3D
solid object from a digital file
(Additive Manufacturing)
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3. 3D Printing
Types
 Fused Deposition Modeling
 Stereo Lithography
 Selective Laser Sintering
 Direct Metal Laser Sintering
 Laminated Object Manufacturing
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4. SLS
Selective Laser Sintering
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5. Sintering?
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6. Coalesce?
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7. SLS
 Input :
 Powdered Nylon
 Digital file (STL format)
 Printer:
 CO2 Laser source
 Powder Bed
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8. SLS
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9. SLS
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10. SLS - Process
 Powder is filled in the bed
 Its heated to a temperature below its MP
 Laser selectively fuses powdered material
 The bed lowers, powder is refilled
 This process is repeated one slice at a
time
 Once the part is completely built, excess
powder is removed
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11. 12
SLS - Output

12. Thank You
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