The tools used for ultrasonic welding are called “sonotrodes”. They are made of various metallic materials. The most common of which are titanium, aluminum and steel. Decisive for the quality thereof are correct frequency, amplitude, the amplitude distribution as well as the correct waveform.
The physical properties of sonotrodes are the same for all ultrasound welding machines. Therefore, it is possible to design and build sonotrodes for all machines and for all applications. Similarly to milling or drilling tools sonotrodes must meet clearly defined requirements and standards.
With initial production we check every single sonotrode – also replicas of already existing ones – on their resonant properties.