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Dual Pulse Spot Welding

Some resistance spot welding power supplies employ a dual pulse spot welding feature which allows the use of two pulses to make a weld. The first pulse is generally used to displace surface oxides and plating, and the second pulse welds the base materials. This feature also reduces spitting.

Read more about how dual pulse spot welding is employed in our article Compensating for Varying Material Conditions in Resistance Welding