... very suit for engraving marble , granite , stone , tile and so on The configurations:Cast iron, square orbit for y axle ,x ... . Z axle with ballscrew,DSP/march3 controller,4kw consent power water cooling spindle, wentai software ,type3 software,10 cutters(φ3.175 ... welding function of breakpoint and can keep welding after off-on power to reduce rate of waste product