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Additive Manufacturing (Selective Laser Sintering (Dry) (Uses powder, No…
Additive Manufacturing
Stereolithography (Wet)
Uses liquid polymer
Creates support automatically based on CAD model
Components
Resin Surface
Vat
Laser surface
Photopolymer resin
Elevator
Selective Laser Sintering (Dry)
Uses powder
No need for elaborate supports
Optic and Scanning Mirrors used
Faster than SLA
Accuracy is 0.0015 IN
Fused Deposition Modelling
1989 by Scott Crump
Used in normal 3D Printers
Feature of more than 45 degrees need support
Bridge exceeding 5CM needs support
Polyjet Printer
Combination of FDM and Liquid Photopolymer