Tungsten Copper Resistance Welding Types

Tungsten copper is used as electrodes in resistance welding, which includes spot welding, seam welding, butt welding and projection welding.

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Tungsten Copper Resistance Welding Types

Tungsten copper is used as electrodes in resistance welding, which includes spot welding, seam welding, butt welding and projection welding.

Spot welding assembles the weldment into a lap joint and presses it between two cylindrical electrodes to melt the base metal using resistance heat to form a solder joint, which is mainly used for thin plate welding.

Seam welding is similar to spot welding that the cylindrical electrode is replaced by a rotating disc-shaped roller electrode, and the weldment is assembled into a lap or butt joint and placed between the two roller electrodes.

Butt welding welds the weldment along the entire contact surface.

Projection welding is a variant of spot welding, there are prefabricated bumps on a workpiece, and one or more nuggets can be formed at the joint at a time.

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