RESISTANCE SPOT WELDING METHOD AND WELD MEMBER PRODUCTION METHOD

Provided is a resistance spot welding method wherein main current passage includes two or more electrode force application steps including a first electrode force application step and a second electrode force application step following the first electrode force application step, an electrode force F...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUDA, Hiroshi, OKITA, Yasuaki, SAWANISHI, Chikaumi
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Provided is a resistance spot welding method wherein main current passage includes two or more electrode force application steps including a first electrode force application step and a second electrode force application step following the first electrode force application step, an electrode force F1 in the first electrode force application step and an electrode force F2 in the second electrode force application step in the main current passage satisfy a relationship F1>F2, and an electrode force switching point Tf from the first electrode force application step to the second electrode force application step in the main current passage is set to satisfy predetermined relational formulas.