| 摘要 |
PROBLEM TO BE SOLVED: To provide a high-quality and inexpensive product, by restraining positional displacement in joining, even when having no high accuracy reference surface since a workpiece is a low accuracy part.SOLUTION: A pump body P1 as a workpiece W is placed on a workpiece receiving jig 21 floatingly supported by a workpiece support part 2, and is moved toward a workpiece presser part 3, and a ring member R provided in the pump body P1 is pressed to a ring presser jig 31 as a reference. The pump body P1 is made to perform copying operation together with the ring member R, and is locked in this attitude, and after pressing a connector part C for constituting the workpiece W by a presser pin 32 inserted into the ring presser jig 31, the ring presser jig 31 is retreated, so that the axially adjusted ring member R and the connector part C can be weld-fixed. |
