... . 5.5KW WATER cooling spindle. heavy duty high Z axis stone cnc router WK1218sThis series of models mainly used for heavy ... tile, bluestone,marble, granite, white marble, sandstone,such as a stone sculpture processing, category carved glass-cutting and engraving melting material ... , the table back lining is armor plate, good rigidity, the machine can bear 1MT weight at least.3.Constant power spindle ...