Resistance welding monitor

Details Resistance welding monitor Resistance welding monitor

G - Physics

01

R

G01R 19/00 (2006.01) B23K 11/25 (2006.01)

Patent

CA 2101712

A welding voltage output from a power source of a resistance welder is derived on the basis of a welding current and an interelectrode voltage, and diameter of a nugget which is formed in a sheetlike work to be welded is estimated on the basis of the welding current, the welding voltage, data of material constant and a thickness of the sheetlike work, subsequently, the estimated diameter of nugget is composed with a target diameter of nugget, and thereby quality of the resistance welding is determined.

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