... processes c) Applicable for chemical compound material, acrylic, men-made high-density plate, bakelite sheet, physical and chemical plate, PVC, ... PP, copper and aluminum 3) High speed, high efficiency, the average efficiency is several times as the other ... changeable water cooling) 4) Max. feed-in height of axis: 120mm 5) Repeat location: 0.025mm 6) Engraving speed: 25m/min ...