cnc kit for stone engraving machine 1.linear guide,running smoothly,high precision 2.steel seamless welding,good rigidity CNC kit for Stone Engraving ... rigidity, the machine can bear 1MT weight at least.3.Constant power spindle and motor,hightly cutting capability ,high ... compatibility, compatible sofetware CAD/CAM, such as Type 3, Artcam,Castmate,Artcam,Coredraw.5.Double direction cutters cooling ...