... precision 4. Low cost cheap cnc multi head machine with stepper motor Advantages: 1) Advanced design: Modularizing product ... motor (servo motor, optional)Guide railHiwin square guide railTransmission Gear rack for x,y-axis, ball screw for z-axisApplication: The machine ... breast piece, construction mode, acrylic cutting, thermoforming moudle making, woodwork, wooden craft product, etc., also can process ...