CAD – Computer Aided Design – Software that will allow you to create that awesome 3d widget in your head.
CAM – Computer Aided Manufacturing – Software the uses the CAD data to create tool paths used by a CNC machine to cut out your widget.
CNC – Computer Numeric Control
Draw Bar – Part of a mill used to pull the collet up into the spindle taper to secure the cutter in the machine.
G-Code – The language used by CNC machines to understand where and how to move. This is generated by your CAM software.
NC – Numeric Control – The precursor to CNC. A Computer + NC = CNC
SWaP – Size, Weight and Power
Swarf – fine chips or fillings produced by a machining process
TTS – Tormach Tooling System – A method for holding cutting tools that allows for quick tooling changes yet retains tool offsets. (It saves lots of time)
VMC – Vertical Machining Center – An industrial CNC Mill that is fully enclosed that makes a mini mill look like the toy that it is.