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Upset Weld

Dec 08, 2016

The parts to be welded are clamped edge to edge in copper jaws of the welding machine and brought together in a solid contact so that their point of contact forms a locality of high electric resistance, while current flows to heat the joint . At this point the pressure applied upsets or forges the parts together . Upset buttwelding is used principally on non ferrous materials for welding bars, rods, wire, tubing, formed parts, etc.