... , quadruple efficiency 3.whole steel structure 4.Germany ball screw ModelJX-1224SX .Y Axis working area1200mm*2400mm Z Axis ... and durable without deformation;Three-axis with high precision imported ball screw, guide rail , to ensure the accuracy of the ... spindle , lower noise, long life, running smoothly;Germany double-nut ball screw , imported guide rail,carving with better power distribution, also ...