Just two years after the launch of its Powerstir ‘dual weld-head’ friction stir welding (FSW) machines, Precision Technologies Group (PTG) reports achieving double-digit sales of these specially developed technologies to electric vehicle OEMs. Designed specifically for use in the volume production of automotive battery tray floor assemblies from extruded aluminium panels, the company’s dual weld-head process aids manufacturers of skateboard chassis structures by ensuring a tight weld-flatness tolerance during battery tray floor construction.

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