... 3.DSP control system 4.square orbit for three axis Heavy Stone Engraving Machine GX-1325 1.Photos:This series of models mainly used ... for heavy weight of the tile, bluestone,marble, granite, white marble, sandstone, glass engraving, metals engraving and so on. ... the table back lining is armor plate, good rigidity, the machine can bear 1MT weight at least.3, Constant power spindle ...