Importance

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Abstract

The present invention relates to an ultrasonic welding installation (1) with an ultrasonic oscillating unit which comprises a sonotrode (2) and a converter (3), wherein the sonotrode (2) and the converter (3) are arranged one after the other along a longitudinal axis, optionally with the interposition of an amplitude transformer, and the ultrasonic oscillating unit can be caused to resonate with an ultrasonic oscillation with a wavelength λ in the direction of the longitudinal axis, and with a counterpart tool (11), wherein the sonotrode (2) comprises a sealing surface (12; 13) and the longitudinal axis extends parallel to the sealing surface (12, 13) or forms an angle of less than 90° therewith, wherein the counterpart tool (11) comprises a counterpart tool sealing surface (16) which faces the sealing surface (12, 13) of the sonotrode (2) and the sonotrode (2) and the counterpart tool (11) being movable relative to each other in a processing direction perpendicular to the longitudinal axis, whereby the distance between the sealing surface (12, 13) of the sonotrode (2) and the counterpart tool sealing surface (16) can be adjusted. In order to specify an ultrasonic welding installation which at least reduces the described disadvantages, it is proposed according to the invention that the ultrasonic oscillating unit or the counterpart tool is held by a rotary holder which can be rotated about a rotation axis which extends perpendicularly to the longitudinal axis, wherein the rotation axis is arranged in such a way that the distance between the sealing surface (12, 13) of the sonotrode (2) and the counterpart tool sealing surface (16) can be adjusted by rotating the rotary holder.

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First Claim