mainly used in the carving marble, granite, glass, MuYu stone, metal, ... the main areas of industry90 Series hardness of materials mainly used in the carving marble, granite, glass, MuYu stone, metal ... bearing surface contact, high-precision linear guide of CNC equipment manufacturers use some of the ordinary life of the 2200 ... 4KWSpindle Speed 0-24000rpm/minWork methods Stepping CNC engraving equipment