... screw 2.ball screw 3.stepper motor 4.high precision High-accuracy engraving machine with ball screw ZK-1224Introduction: 1.the whole lathe ... all kinds of metal and nonmetal materials, such as wood/MDF, PVC plastic, plexiglass, acrylic, organic glass, marble, granite, aluminium, ... 75%References:Other parts:vacuum working table(adapt to the MDF cutting and some materials need to be working smoothly)DSP ...