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The Design and Finite Element Analyses of the Super-Long Ultrasonic Amplitude Transformer

[+] Author Affiliations
Yan Wang, Bin Lin, Xiaoyan Cao, Shaolei Wang

Tianjin University, Tianjin, China

Paper No. IMECE2013-62484, pp. V02AT02A080; 7 pages
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 2A: Advanced Manufacturing
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5618-5
  • Copyright © 2013 by ASME


Super-long amplitude transformer is an indispensable part of ultrasonic vibration system, often used in high power ultrasound applications. This paper put forward a new method to design and analyze super-long amplitude transformer. Firstly, by using the mechanical four-terminal network method to solve one dimensional longitudinal vibration equation, the frequency and vibration ratio of the ultrasonic transformer are obtained. Thereafter, two types amplitude transformers design scheme can be got by theoretical calculation, i.e. exponential and conical amplitude transformer. Finally, using FEM software ANSYS to analyze the modal, stress distribution and harmonic response of the amplitude transformer. According to the finite element simulation results, each of amplitude transformers has advantages and disadvantages. Compared with theoretical results, it is satisfied with demands of engineering. A new way is carried out for design and optimality of super-long amplitude transformer.

Copyright © 2013 by ASME



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