CNC lathe feed processing route refers to the turning tool from the tool point (or the fixed origin of the machine tool) began to move, until returning to the point and the end of the process through the path, including the cutting path and cutting tool cutting, cutting and other non-cutting empty stroke path. The process of the machine is the changing from raw material to finished production or simi-finished production. For the process of machine,  it includs the transport and save of the raw material, preparation, heat treatment, equipping, debugging, paint spraying and packing. The content of production process is very extensive. Modern enterprises use the principles and methods of systems engineering to organize production and guide production, and regard the production process as a production system with input and output.