SPOT Welding Services In Lancashire

A type of resistance welding where the spot welds are made at regular intervals on overlapping sheets of metal. An easily automated resistance welding process, Spot welding is ideal for rapid welding applications on thinner materials. Spot welding is used when welding two or more metal sheets together without using any filler material by applying pressure and heat to the area to be welded. The spot welding process is used for joining sheet materials and uses shaped copper alloy electrodes to apply pressure and convey the electrical current through the workpieces. Heat is developed mainly at the interface between two sheets, eventually causing the material being welded to melt, forming a molten pool, the weld nugget. The molten pool is contained by the pressure applied by the electrode tip and the surrounding solid metal. Spot welding offers a number of advantages over other techniques, including high speed, ease of automation and energy efficiency with little pollution, plus it allows multiple sheets and dissimilar metals to be simultaneously welded.

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