Numerical control machine tools are short for Computer numerical control machine tools, which are automatic machine tools with industrial control system. The control system can process the program with control code or other symbolic instructions, decode it, represent it with coded numbers, and input it into the NC device through the information carrier. 

After processing by the numerical control device to send a variety of control signals, control the movement of the machine, according to the drawing requirements of the shape and size, automatic parts processing out. The numerical control machine tool has solved the complex, the precision, the small batch, the multi-variety parts processing question, is one kind of flexible, the high efficiency automatic machine tool, has represented the modern machine tool control technology development direction, is a typical mechatronics engineering product.