... carbide alloy or porcelain cutter, on the machine, cylindrical turning and boring, taping, surfacing, curving, slotting, threading as well as drilling ... range.5) Feed for CNC model is transmitted by A.C servo motor though foxed ratio gear pair to precise ball screw or ... be provided that are entire-closed loop control, milling and boring, angled-dividing and feed for main spindle, grinding as well as ...