Aug 21, 2025
Ultrasound instead of heat: How PowerWheel® supports connection technology in electric mobility
In electromobility, the quality of the electrical connection determines range, safety and durability. Robust, material-friendly and process-reliable joining methods are particularly important for cell connectors, high-voltage cables and conductor rails. One technology that is becoming increasingly popular is torsional ultrasonic welding with PowerWheel® from Telsonic.
Unlike conventional linear ultrasonic welding, PowerWheel® uses a
torsional movement around the longitudinal axis of the sonotrode.
This rocking motion concentrates the amplitude in the centre of the
welding zone and enables uniform energy input.
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