... orbit, two line sliding track, heavy loading, stable working, high precision, long lifetime .2. Whole seamless weld ... steel structure, not easy to distort, the table back lining is armor ... weight390KGOption: Rotary axis, servo motor, bigger spindle.Different working size:600X800mm/600X1500mm/900X1500mm/1200x1200mm/1200x1500mm/1200x1800mm/1200x2400mm/1500x3000mm ...