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Maschinen + Technik Vogt GmbH can offer you these capabilities and others including coatings for extended service life and reduced wear and will be happy to customise your sonotrode until it meets your specific requirements perfectly.
The sonotrode is the welding, stacking, die cutting or embedding tool that is used to apply ultrasonic energy to the component that needs to be processed. This makes the sonotrode the only component that comes into direct contact with the product.
The sonotrode needs to accomplish the following tasks:
Manufacturing sonotrodes requires a great deal of experience. The geometry of the sonotrode is paramount to the vibration properties as it affects both frequency and amplitude distribution. Another important factor that is equally important to the booster and the sonotrode is mass distribution as it determines how the sonotrode transforms the amplitude. The sonotrode - just as the booster - can be used to adjust the amplitude.
The sonotrode is primarily made of titanium or tempered steel. We produce aluminium sonotrodes for laboratory testing or sample welding purposes as they can be manufactured more quickly and at lower cost. On the down side, the service life of these sonotrodes is significantly lower.
The objective when manufacturing a sonotrode is to tune its frequency exactly to the frequency of the generator and to achieve an amplitude distribution that is as uniform as possible.
Knife blade sonotrodes are predominantly used in combination with weld joint designs of exceptional length.