Retractable FSW

​Retraction FSW is a new kind of friction stir welding technology developed to eliminate the keyhole of the circular structure seam. the shoulder and the pin of the tool are separated.
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Retractable FSW

Retraction FSW is a new kind of friction stir welding technology developed to eliminate the keyhole of  the circular structure seam.  the shoulder and the pin of the tool are separated.


Highlights

* Workpieces with variable thicknesses can be welded;
* Without keyhole after welding.


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