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Projection Welding Machine Resistance. Then electric current is passed through them. PHOTOS Courtesy of TJ.
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Resistance welding requires neither additional material or holes in the metal. RWMA Class 2 is the first choice for electrode material in projection welding. Projection welding is a resistance welding process for joining metal components or sheets with embossments by directly applying opposing forces with electrodes specially.
A typical resistance weld between two flat sheets left is compared to a projection weld right.
The wear is frequently mechanical abrasion. In this process produces coalescence of welding metals the heat generated from electric resistance to current through the work piece hold together with pressure applied to electrodes. The most important variables of this assembly technique are the quality of the projections and the response of the cylinder as the projection collapses during the welding time. Then electric current is passed through them.
