Paper Title:
Experimental Study on Vibration Characteristics of Acoustic System in Ultrasonic Vibration Lapping
  Abstract

In this paper, the natural frequency and the vibration mode of the lapping tool in ultrasonic vibration lapping are analyzed, the resonance mechanism of the lapping tool is researched by establishing its mechanical model and displacement equation, and the experimental study is carried out in ultrasonic vibration lapping of engineer ceramics. The conclusions include: 1) The natural frequency of the designed lapping tool is ; 2) The acoustic system in ultrasonic vibration lapping is simplified to equivalent many-degrees of freedom system, while the damp is ignored, the lapping tool is resonant with itself-natural frequency, the joint of the horn and the lapping tool is a displacement node, and the whole system is in resonant condition. 3)While the experimental condition is no-load and ultrasonic, the vibration frequency of the lapping tool is 21.3125 , which is further closed to the calculated natural frequency, at that time the amplitude of the lapping tool is maximal and the system is in resonant condition. Moreover, while the resonance frequency of the horn and the lapping tool is different, the good vibration effect of the lapping tool can be obtained by adjusting the excitation frequency of generator.

  Info
Periodical
Edited by
Bo Zhao, Guanglin Wang, Wei Ma, Zhibo Yang and Yanyan Yan
Pages
313-319
DOI
10.4028/www.scientific.net/KEM.455.313
Citation
C. J. Zhang, C. S. Liu, B. Zhao, "Experimental Study on Vibration Characteristics of Acoustic System in Ultrasonic Vibration Lapping", Key Engineering Materials, Vol. 455, pp. 313-319, 2011
Online since
December 2010
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Price
$32.00
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