INDIRECT SPOT WELDING METHOD

摘要

Provided is an indirect spot welding method wherein go stone-shaped nuggets formed in molten state can be stably obtained during indirect spot welding.  The electrical connection time is divided into two time bands (t1, t2) in indirect spot welding, pressurization is carried out under a pressurizing force (F1) is applied and electrical connection is carried out at a current value (C1) during the first time band (t1), and then pressurization is carried out under a pressurizing force (F2) lower than (F1) and electrical connection is carried out at a current value (C2) higher than (C1) during the next time band (t2).