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Sonotrode for ultrasonic machining device

  • US 5,426,341 A
  • Filed: 10/21/1993
  • Issued: 06/20/1995
  • Est. Priority Date: 10/21/1992
  • Status: Expired due to Term
First Claim
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1. An annular sonotrode (5) for an ultrasonic machining device, and having a sonotrode axis (11), the sonotrode comprising:

  • an input means (17) for attachment of a vibration exciter (1,4) and for vibration along an input axis (10) which is perpendicular to the sonotrode axis, and an output means (18) for attachment of a tool (6) and for vibration along an output axis (19) which is perpendicular to the sonotrode axis, wherein the sonotrode is configured as a bending vibrator having a natural mode of vibration including at least two nodes (33-36) and a corresponding number of intermediate regions of maximum amplitude, the input means (17) being connected to a first one of said intermediate regions and the output means (18) being connected to a second one of said intermediate regions such that the output means vibrates along the output axis when the input means is excited at a natural frequency of the sonotrode along the input axis, and wherein the input axis and the output axis are radially oriented, intersect at a non-zero angle, and lie in a common plane of the annular sonotrode.

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