Single Sided Gun Type Spot Welding Machine
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In the present video, the making of a box is seen made by a single-sided spot gun. This spot gun is seen working on one side of the material and making a spot that is sufficiently strong to make an almirah. The other side of the electrode is kept a copper plate to complete the cycle and weld is made. This is again the same century-old resistance spot welding where the current once passed through the electrode produces resistance resulting in heat generation. The pressure with the heat may lead to spot welding.