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Computer Numerical Control (CNC) (How it works? (Cutting Tool rotates as…
Computer Numerical Control (CNC)
Subtractive Method of making prototype
CNC Router ( A smaller CNC machine for soft material)
Roughing/Finishing
Process
How it works?
There is a Cutting Tool that removes material as it moves in X,Y, and Z direction.
Cutting Tool rotates as it removes material
Machine Control Unit
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It reads the instruction in the NC program to move the cutting tool accordingly.
NC program also know as Part Program. It is the program that drive the cutter.
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A series of coded instructions consisting of numbers, letters of the alphabet, and symbols which the machine control unit (MCU) can understand.
WorkFlow
CAD Model
Export to STL.
Many triangular polygons
Toolpath programming in CAM (Computer Aided Manufacturing) system
Post-Processing
NC program
CAM Programming Workflow
https://youtu.be/xBE9eLQ5Cxc
Step-Over
Step-Down
Cutter size
Material Allowance
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