uses 2-4 Z-axis big-power spindle motor designed for demanding ... run at high speed no distortion, no jitter. 4, The high-speed multi-head machine adopts to ... processing, smooth operation, high accuracy; and the Y axis of the bilateral-driven, fast , high efficiency, large ... ,6mm,8mm,10mm,12.7mmDrive systemStepper motorOptional three-axis AC servo motor driveControl systemShanghai Weihong PCI system ...