CNC lathe is an automatic machine tool with high precision and high efficiency. Equipped with multi station turret or power turret, the machine tool has a wide range of processing performance. It can process linear cylinder, oblique cylinder, circular arc, various threads, grooves, worms and other complex workpieces. It has various compensation functions of linear interpolation and circular arc interpolation, and has played a good economic effect in the batch production of complex parts. Automatically process the machined parts according to the pre prepared machining program.