Making A CNC Milling Machine – CNC Electronics Part 4  CNC Electronics. Making a CNC Milling machine requires you to learn a little bit about CNC electronics. Every CNC machine needs a control box with electronic components which converts electronic signals from the computer into movement. There are many different types of electronics available for CNC.  Most of the electronics fall into three basic categories; motors, control boards or power supplies. Let’s take a look at the CNC electronic components I selected to help make a CNC milling machine. Types of Motors A CNC milling machine generally  have one of […]