Method of swinging electric arc welding with double hollow cathodes
An arc welding method and a hollow cathode technology are applied in arc welding equipment, welding equipment, manufacturing tools, etc. to achieve the effects of improving welding penetration, reducing the range of heat-affected zones, and increasing energy density
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[0033] Hereinafter, the embodiments of the present invention will be described in detail with reference to the drawings.
[0034] First, connect the welding circuit and the gas circuit device, and connect one end of the welding power source and control system 1 to the hollow tungsten electrode 28 through the welding cable 17 and the other end to the welding workpiece 23 through the welding cable 19. One end of the welding power source and control system 2 is connected to the hollow tungsten electrode 27 through the welding cable 18, and the other end is connected to the welding workpiece 23 through the welding cable 20. The air extraction device 7, the pressure release device 5, the pressure display device 3, the valve 13 and the hollow tubular tungsten electrode 28 are connected through the air guiding pipes 9, 11, 15, and the air guiding pipe 15 and the hollow tungsten electrode 28 are connected by a connecting joint 30. The air extraction device 8, the pressure release device ...
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