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PTG introduces dual head friction stir welding

Precision Technologies Group (PTG) released dual weld-head friction stir welding models for use in the volume production of automotive battery tray floor assemblies from extruded aluminum panels. Aimed directly at manufacturers of skateboard chassis structures, the dual weld-head process ensures that a tight weld-flatness tolerance is achieved during battery tray floor construction. The machines provide an even and stable welding process thanks to the matched dual-force control systems and balanced upper and lower head welding parameters.