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Research on Superimposed Effect of Root Stresses and Teeth Compliance Considering Multi-Teeth Meshing

[+] Author Affiliations
Changjiang Zhou, Zhihua Zhong

HuNan University, Changsha, Hunan, China

Jinyuan Tang

Central South University, Changsha, Hunan, China

Paper No. DETC2007-35016, pp. 909-916; 8 pages
doi:10.1115/DETC2007-35016
From:
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 7: 10th International Power Transmission and Gearing Conference
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4808-6 | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME

abstract

Based on gear engagement principle, the exact curve of tooth profile is produced. By the method for compositing and modeling with MATLAB and APDL, the precise FEM model of gear is built, considering major factors of effecting root stresses and teeth compliance. Comprehensive stiffness including bending and contact stiffness is calculated during one meshing cycle. The load sharing ratio of an appointed tooth is reached, the equations of load-hist along line of action are deduced. Considering superimposed effect of engaging force in multi-teeth meshing zone, regularities of distribution of root stresses and teeth compliance in a normal meshing cycle are get. The results show that stress superimposed effect caused by adjacent meshing tooth influences compression side of the tooth is more than tension one, and makes the maximum deflection of the appointed tooth bigger. Finally, the results developed by authors show reliable, in comparison with the ones given according to authoritative methods.

Copyright © 2007 by ASME
Topics: Stress

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