Chapter 1. What Is CNC?

A CNC is a machine whose movements are controlled by a computer through a process known as Computer Numerical Control. Some examples of common CNC machines are routers, milling machines, 3D printers, vinyl cutters, laser cutters, pick-and-place machines, and many others.

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Figure 1-1. CNC router in action

Although we’ll be talking mostly about subtractive CNC machines that remove material with sharp, spinning tools (as illustrated in Figure 1-1), the principles of CNC apply to any type of CNC machine you may encounter.

Note

In the Maker lexicon, it’s common to refer to a computer-controlled router or mill as a CNC, while ...

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