uses 2-4 Z-axis big-power spindle motor designed for demanding high-volume, small parts machining customers 1, ... two or three devices, and good product consistency,high quality.2, Single-spindle carving: In some cases, little processing capacity ... 8mm,10mm,12.7mmDrive systemStepper motorOptional three-axis AC servo motor driveControl systemShanghai Weihong PCI system(PC direct)Transmission systemX,Y ...