Experimental method for vibration analysis of a bolt-clamped ultrasonic transducer

The vibration mode of a bolt-clamped ultrasonic transducer was experimentally analyzed. In the experiment, a designed and manufactured semicircular wedge-shaped jig was used to apply constant pressure to a narrow band-shaped area on the lateral side of the transducer. Constant force was applied to t...

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Bibliographic Details
Published in:Acoustical Science and Technology 2023/01/01, Vol.44(1), pp.1-8
Main Authors: Kim, Jungsoon, Kim, Moojoon
Format: Article
Language:English
Subjects:
Bolt-clamped ultrasonic transducer
Clamping
Electrical impedance
Experimental methods
Harmonic modes
Input admittance
Jigs
Resonant frequencies
Torque wrenches
Vibration analysis
Vibration characteristic
Vibration mode
Wedge-shaped jig
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Summary:The vibration mode of a bolt-clamped ultrasonic transducer was experimentally analyzed. In the experiment, a designed and manufactured semicircular wedge-shaped jig was used to apply constant pressure to a narrow band-shaped area on the lateral side of the transducer. Constant force was applied to the jig with a vise and a torque wrench. As the position of the pressure applied by the jig moved along the length of the transducer, the change of the input admittance characteristic of the transducer was observed. Each vibration mode was analyzed from the change in the magnitude and the resonant frequency of the input admittance. The proposed method made it possible to practically determine the position of the node for each vibration mode, and is expected to provide useful information to utilize the harmonic modes.
ISSN:1346-3969
1347-5177
DOI:10.1250/ast.44.1