Friction Stir Welding by KUKA Systems | Automation.com

Friction Stir Welding by KUKA Systems

Friction Stir Welding by KUKA Systems
Friction stir welding is a so called "green technology": With a surprisingly low energy consumption and no needed chemical preparatory treatment it...



But how does this work? A rotating, almost wearfree pen is driven along between the two parts to join. The rotating tool generates heat, which is why the material is plastisized. Combined with a forward speed this causes the conglomeration of materials giving neat weldseam. 

This process is especially appropriate for welding non-ferrous metal with a low melting temperature, e.g. aluminum or brass. As the weld is proceeded below the melting points of the joining partners, porosities and cracks like they are common when the molten mass consolidates are avoided.

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