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Mechanical Engineering

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Mechanical Engineering

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  1. Resistance Projection Welding (RPW) • One of metal sheets to be welded, has to be put through a punch press which makes small projection or buttons in the metal sheet • Projection welds are produced at localised points in work pieces help under pressure between suitable electrodes • Welds are made simultaneously

  2. Resistance Projection Welding (RPW) • A resistance welding process in which coalescence occurs at one or more small contact points on parts • Contact points determined by design of parts to be joined .May consist of projections, embossments, or localized intersections of parts

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