Patent ID: 9393640
Filing Date: 2016-07-19
CPC Classification: B23K

Claim Text:
1. A welded material manufacturing method of performing friction stir welding with abutting portions of plate materials interposed between a first shoulder and a second shoulder, the method comprising: a process of preparing a welding jig which is disposed so as to straddle a line extended from an abutment line of the abutting portions and supports an end tab from a position intersecting with the extended line and in which a groove portion which is disposed along the extended line and through which the first shoulder can pass and an open portion facing the groove portion are formed; a process of disposing the plate materials so as to abut each other; a process of disposing the welding jig at an end portion of the abutment line; a process of installing the end tab on the welding jig and aligning the end tab with respect to the plate materials; a process of disposing the first shoulder and a probe connected to the first shoulder at a position that is on the groove portion side with respect to the extended line; a process of disposing the second shoulder at a position corresponding to the first shoulder and the probe; a process of connecting the second shoulder and the probe so as to interpose the end tab between the first shoulder and the second shoulder; and a process of executing the friction stir welding.