Retraction FSW
Shaped bit is designed to eliminate the distinctive keyhole of a stir weld by gradually removing the bit from the material.
Characteristics
It is widely used in FSW on cylinders and enclosures.
The keyhole can be filled or eliminated.
Applications
Tanks
Cylinders
Wheels
| Welding material | Welding thickness (mm) |
| Cast Aluminum alloys | |
| High-strength Aluminum alloys | |
| Aluminum alloys (4XXX, 5XXX, 6XXX) | 3.0 – 30.0 |