... engraving machine 2, Big capacity worktable 3, High power spindle 4.5kw 4,1200x1800mm table 5, Presision 0.02mm 2013 Hot Sale! Granite/Marble/Stone Engraving Machine ... axis adopts double drivers, big load, good stability, high precision, long lifetime.4. With waterproof and dustproof system5, With ... CNC system--DSP handle control system with USB interface7.With water tank and automatic double direction ...