1.2.2 KW CNC engraving machine 2.stepper motor (optional) 3.HIWIN guide rail ... frequency, long lifespan, prolonged working time.10), Machine body is heavy enough and stable enough to burden materials without transforming..Suitable ... material:PMMA,PVC Sheet, ABS sheet, KT sheet, Timber ,Gemstone, Marble ,Aluminum and plastic composite panel, Iron, Copper, Aluminum, Plastics and ...