ss, automatic selection and replacement of tools, automatically change the spindle speed, feed rate and cutting tool relative to the workpiece movement track and other auxiliary functions, followed by pletion of several surface workpiece multiple processing procedures. And there are a variety of changing knife or blade selection function, thereby greatly improving the production efficiency.РMachining C machine tool is provided with puter numerical control system of machine tools, CNC system capable of processing procedures, control machine tools plete a variety of actions. Compared with the general machine tools, CNC machine tools plete the plane curve and space curve surface machining, the machining precision and the production efficiency is relatively high, so it has been widely applied.