... can be customized according to specific requirements) 4 . Control System: DSP controller (out of computer)5. Drive Motor: Stepper ... 6kw air cooling)Tool Diameter2--12.7TransmissionX,Y Axis High Precision Rack Gears, Z Axis Ball ScrewX,Y,Z ... of engraving area, motor, spindle, control system, software, and other configurations Samples Factory High quality 4 axis rotary woodworking cnc cutting machine