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Topic 3 (Subtractive (Methods (Computer Numerical Control (CNC), Electro…
Topic 3
Subtractive
Methods
Computer Numerical Control (CNC)
Electro Magnetic Discharge (EDM)
Laser Cutting
Pros
Programmable
Finer surface finish
Cons
Limited cutter sizes for CNC
Uses & Applications
What Is it?
Where 3D objects are made by cutting away material from a solid block
Additive
Methods
Stereolithography (Wet Process Additive Manufacutring)
Fused Deposition Modelling (FDM) Dry Process Manufacturing
Pros
Improve Efficiency
Lower Cost
Enhance Final Product Quality & Design
Cons
Expensive
Better suited for smaller production scales
Final product requires an extra step for finishing
Uses & Applications
What Is it?
A 3D Printing process where the object is created by adding layers and layers of material