| Abstract Scope |
The Corner FSW technology is beneficial for T-joints from inside with a variety of products, including aluminum aircraft. However, there were many challenges in welding actual products, such as traveling speed and the placement of the backing plate jigs.
This paper describes a probe shape that has important consequences on the tool traveling speed. That probe improvement reached the traveling speed of 900mm/min of T-joints with aerospace aluminum alloy materials.
In addition, the effect of CSS-FSW with a small backing portion at the opposite side will be described. This mechanism enables the probe, the stationary shoulder, and the backing portion to move synchronously and be welded without a fixed type backing bar. Finally, the possibility of robot FSW is described. |