Resistance welding at present, the resistance welding of aluminum alloys generally adopts the medium frequency or high frequency resistance welding process. This welding process is only within the electrode diameter range of the welding tongs, and the base metal is melted in a very short time to form a molten pool. The solder joints are cooled rapidly to form a connection, and the possibility of producing aluminum magnesium dust is very small. The welding fume produced is mostly oxide particles on the metal surface and surface impurities. The welding process is equipped with local exhaust of the station, which can timely exhaust these particles into the atmosphere through the air duct, and basically will not produce the deposition of aluminum magnesium dust.
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