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SPOT WELDING

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SPOT WELDING

Spot welding is the process of joining two or more metal parts together in a localised area by the application of heat and pressure. The heat is produced by the resistance of the material to carry a high electrical current. The greater the path of resistance is, the higher the heat intensity. This heat is controlled via time application and level of current applied. The pressure is applied to forge the joint and consolidate the nugget to provide the weld strength. No other materials such as rods, fluxes, inert gasses, oxygen, or acetylene are required.