
CNC machining (Numerical Control machining) is a precision processing method for manufacturing parts on computer numerical control machine tools. Although its general process is similar to traditional machine tool processing, the control mode and automation level have been greatly improved. It uses digital information to control the movement of tools and workpieces, which is the most effective solution for processing parts with complex shapes, high precision requirements, small batch sizes and diverse varieties.
CNC machining is a process where the control system sends commands to drive cutting tools to complete required movements. All workpiece dimensions, shape requirements and processing procedures are defined by numbers and letters. It mainly refers to the whole process of precision parts manufacturing on CNC machine tools.
A CNC machine tool is a computer-controlled machining equipment. The control system, composed of dedicated or general-purpose computers, is called the numerical control system. All movements and auxiliary actions of CNC machine tools are controlled by instructions from the numerical control system.
Programmers create CNC programs based on workpiece material, processing requirements, machine tool characteristics and standard instruction formats. The numerical control system sends operation or stop signals to servo systems and functional components according to the program, and automatically stops when processing is completed.
CNC machine tools cannot work without pre-programmed instructions. The controlled actions include machine start/stop, spindle rotation control, feed direction/speed/mode adjustment, tool selection, tool compensation, tool change, and cutting fluid control.