mold laser welding machine weld metal 200w,450w,600w welding depth 1.5-3.5mm Pulse ... conversion efficiency, and more high-temp and corrosion resistant, longer life. Small welding spot diameter, less heat ... , and weakening on the object. Product applicationSuitable for welding or repairing on various of mould steel (8407, ... *1260Cooling system720*450*580720*450*580 automatic metal laser welding machine