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SSP-SP series spot/projection welder The principle of AC resistance welding is: the passing of electricity to metal will partially melt the metal because of the resistance of the metal or the resistance between the metals. By applying pressure the metals will join together. This is called resistance welding and the two types are spot welding and projection welding
It is widely used and is suitable for many kinds of metal machining industries, such as home appliance, kitchen wares, automotive, industrial equipment, metal ware and sheet metal, etc. The material for welding includes iron, steel, copper, aluminum and other alloys. . |