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Additive Manufacturing (Dry Process (Fused Deposition Modeling (FDM) (Part…
Additive Manufacturing
Dry Process
Fused Deposition Modeling (FDM)
Part of FDM
Hot End
Print Display
Print Bed
Filament
Cooling fan
Filament type
PLA (Polyactic Acid)
Easy-to-print with minimum warping or curling
Non-toxic
Can withstand higher heat
Design for FDM
Need of Support
Feature overhung more than 45 degrees will need “support”
Bridge exceeds 5 mm will result in sagging or marks from support material
can occur
Selective Laser Sintering (SLS) Technology
The process of SLS
Process begins with the atmosphere in the process chamber heated
to the operating temperature and chamber filled with nitrogen.
Characteristics of SLS Parts
Amorphous Materials
Rough surface finishes and porous.
Advantages of SLS
Excess powder material can be returned to the powder
Ability to provide self support during building.
Wet Process
Stereolithography (SLA) Technology
SLA part
Laser Beam
Laser Source
Resin Surface
Platform
Vat
Elevator
Photo-polymer Resin
How part is make ?
The machine begin by build the part one layer at a time