... engraving machine with ball screw 2.ball screw 3.stepper motor 4.high precision High-accuracy engraving machine with ball screw ZK-1224Introduction: ... kinds of metal and nonmetal materials, such as wood/MDF, PVC plastic, plexiglass, acrylic, organic glass, marble, granite, aluminium, ... -axis use cylinder guideway Driving mode :XYZ-axis use ball screw X,Y-axis working area :1200*2400mmBody dimensions ...