T-type spot welding machine 100KVA stainless steel

spot welding Spot welding is a resistance welding method in which the weldment is assembled into a lap joint and pressed between two cylindrical electrodes, and the base metal is melted by resistance heat to form a welding spot. Spot welding is mainly used for thin plate welding. The process of spot welding: 1. Pre-press to ensure good contact between workpieces. 2. Power on to form a nugget and a plastic ring at the weld. 3. Power-off forging, so that the nugget is cooled and crystallized under the continuous action of pressure, forming a densely organized, no shrinkage, crack-free solder joint.

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