... rigidity.2.X , Y axis adopts hight percision gear and rack transmissioned, X-axis motor drive using dual automatic correction of ... -axis ball screw Transmissioned, Z-axis feed-in height is up to 220mm.4,gantry structure,automatic of the kinfe system ... (optional)Power Supply: AC220V\380V \ 50-60HZWeight: 2300Kg A-1535 Multi-function Marble Cutting Machine(CE,ISO..)