... cooling spindle 3.DSP control system 4.square orbit for three axis Heavy Stone Engraving Machine GX ... 12181.Photos:This series of models mainly used for heavy weight of the tile, bluestone,marble, ... X,Y, Z three-axises all use imported square square orbits .2. It also equips with water groove ... 1000kg/2.Performance Features1,Three axises adopt import square orbits, heavy loading, stable working, high ...