... , lower noise and smooth running in high speed turning. 5.Feed system is driven by AC servomotor which is connected with ballscrew ... reliability in heads and ram feed movement. 9.CNC system is SEMENS or FANUC system, and other CNC system is also can be provided ... , built-in tool setting device, boring & milling, table indexing and feed, grounding cooling device, left head and whole-loop control, etc ...