... nut with backlash eliminator. 3) Reliable quality: Assembled with fine elements from abroad and domestic famous products. 4) Convenient ... for x,y-axis, ball screw for z-axisApplication: The machine has a wide sphere of application, such as applicable in high efficient process ... moudle making, woodwork, wooden craft product, etc., also can process iron, copper, aluminum. plastic board, plank and so on, ...