1.Automatic arc welding machine 2.Tube-tube sheet tig weld 3.High ... ,argan the winding way, welding can continuous rotary, cooperate the arc length adjustment,realize multilayer weldingWeld head adopts water-cooled positioning, avoid ... Panasonic IGBT inverter control dc pulse power, high efficiency, welding arc strong stabilityWater-cooling systems, equipped with 16 liters stainless steel ...