... avoide machine shaking (3).CE,ISO Stone/marble/granite cnc router feature:1. Could load materials from 4 sides, very ... effectively raising tool life. Parameter of stone/marble/granite cnc router: ModelF-R1615SX,Y Working area1600x1500mm(63x59.1inch)Z Working ... , linear railZ: ballscrewCommandG code(*uoo,*nc,*mmg, *plt)Spindle power(optional)3KW-5.5KWMax rapid22m/minMax speed9m/minWorking voltageAC380V ...