A CNC (Computer Numerical Control) router works by moving a tool to specific x, y, and z coordinates throughout the machine's available working area. A router or high-speed spindle with a cutting tool then removes material at the desired locations. Different cutting tools can be used depending on the material and the feature being machined. These tools can be manually changed or in the case of a more advanced machine, an ATC (Automatic Tool Changer) can swap out tools.
