CN
NC machine is the machine that is controlled by a set of instructions in the form of numbers, letters, and symbols called a program. CNC machine is used to control motions of the workpiece and tool with a computer program written in alphanumeric data.
CNC metal machining is a metal fabrication method where composed code controls the fabricating process's machinery. The code decides everything from the development of the cutting head and the portion to axle speed, RPMs, etc..