marble carving machine for sale The picture of machine Technical Parameters: Performance indexstone work cnc engraving machine Sculpture range1300mm*2500mm*300mm Z TransmissionTaiwan TBI ball screw X Y transmissionTaiwan HIWIN square guide rail Max feeding300mm rotation axis diameter12.5cm/ 20cm Highest engraving speed5m/min resolution0.05mm Reposition accuracy0.05mm commandG...