plug welding


plug welding
A number of holes are punched along the edge of the repair section to be welded in; the section overlaps the damaged area to be repaired and is welded to the base metal at the punched boles. This is a convenient way of duplicating the spot welding process used by manufacturers, as spot welding equipment is usually too expensive and cumbersome for repair purposes

Dictionary of automotive terms. 2015.

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