FRICTION STIRRING TOOL, FRICTION STIR WELDING DEVICE AND FRICTION STIR WELDING METHOD

摘要

A friction stirring tool includes a first rotating tool which has a first tool main body having a first shoulder portion which comes into contact with the obverse surface of a groove portion, a first probe projecting to a front end side from the first tool main body, and a protruding portion projecting to the front end side from the first probe, and a second rotating tool which has a second tool main body having a second shoulder portion which comes into contact with the reverse surface of the groove portion, a second probe projecting to a front end side from the second tool main body, and a protrusion accommodating portion provided on the second probe and capable of accommodating the protruding portion of the first rotating tool.

主权项

1. A friction stirring tool comprising:
a first rotating tool that is arranged for a welding-target portion of a metal material, on one side across the welding-target portion; and a second rotating tool that is arranged on the other side across the welding-target portion, and that is disposed so as to face the first rotating tool, wherein the first rotating tool has a first tool main body having a first shoulder portion which comes into contact with one side surface of the welding-target portion, a first probe protruding toward the second rotating tool from the first tool main body, and a protrusion protruding toward the second rotating tool from the first probe, and wherein the second rotating tool has a second tool main body having a second shoulder portion which comes into contact with the other side surface of the welding-target portion, a second probe protruding toward the first rotating tool from the second tool main body, and a protrusion accommodating portion disposed in the second probe and capable of accommodating the protrusion of the first rotating tool.