... cooling spindle 3.all square guide rail,stepper 4.DSP marble engraving machine Application materialsThis series of models mainly used for ... the tile, bluestone, marble, granite, white marble, sandstone, glass type, copper, iron, plastic, stone sculpture processing, category carved glass- ... 2.square guide,3.ballscrew drive for XYZ axis, 4.DSP/Mach3 Controller,5.3kw constant power water-cooling spindle ...