The technical level of CNC machine tools and the percentage of metal cutting machine tool production and total possession are one of the important indicators to measure the national economic development and industrial manufacturing overall level. CNC lathe is one of the main varieties of CNC machine tools. It occupies a very important position in CNC machine tools. It has been widely recognized and rapidly developed in the world for decades. Words：cnc lathe process/ cnc lathe services/ cnc precision turning/ cnc turned components/ cnc turning/ turn services/ turned parts /lathe services