Study on Fatigue Crack of Supporting Plate on Sonic Vibration Head | Zendy

Yu Wang | Zendy; Yuru Lei | Zendy; Bao-lin Liu | Zendy; Zhi-jun Li | Zendy

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Study on Fatigue Crack of Supporting Plate on Sonic Vibration Head

Author(s) -

Yu Wang,

Yuru Lei,

Bao-lin Liu,

Zhi-jun Li

Publication year - 2014

Publication title -

advances in mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 40

ISSN - 1687-8132

DOI - 10.1155/2014/106238

Subject(s) - structural engineering , vibration , head (geology) , finite element method , vibration fatigue , stress (linguistics) , fracture (geology) , fatigue testing , engineering , materials science , acoustics , geology , geotechnical engineering , linguistics , philosophy , physics , geomorphology

The supporting plate is one of the key parts of the sonic vibration head, and the regular fatigue and fracture make the support plate be one of the most venerably damaged units, resulting in huge loss in economy and security. After analyzing the loading states of the supporting plate on sonic vibration head, the mechanical stresses of three kinds of supporting plate under different operation load cases are simulated by the method of finite element method (FEM). The effects of stress of supporting plate are studied by means of fatigue testing on actual drilling processing. The results show that the steel structures fatigue failure is caused by stress concentration and unbalance. The optimal supporting plate structure is selected by the simulation and test.

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