A cable feeds the power to the converter and ... horn in order to achieve a "normal" welding process. For a 20-kHz ultrasonic-welding process, for example, polystyrene (PS) requires 15 to 20 ...

Ultrasonic welding is not a new concept, and can be a more reliable method than using adhesives, which do not bond well with some materials. But the ultrasonic bonding process becomes difficult ...