1.2 How CNC Machining Works

CNC machining controls the operation of the axis through a computer program. In the early days, engineers calculated and designed appropriate program instructions (G code). Nowadays, there is CAM (Computer Aided Manufacturing) software in conjunction with the CAD (Computer Aided Design) to create G code. The G code controls the 5-axis movement speeds for further processing. CNC machines can run faster with high precision. CNC machining is a subtractive manufacturing process in which various precision cutting tools are used to remove raw materials to make parts or products.