Volume 26 Issue 2
Feb.  2011
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WU Yong-jun, WANG Jian-jun, HAN Qin-kai, LI Qi-han. Tooth profile modification of helical gears and experimental study based on finite element contact analysis[J]. Journal of Aerospace Power, 2011, 26(2): 409-415.
Citation: WU Yong-jun, WANG Jian-jun, HAN Qin-kai, LI Qi-han. Tooth profile modification of helical gears and experimental study based on finite element contact analysis[J]. Journal of Aerospace Power, 2011, 26(2): 409-415.

Tooth profile modification of helical gears and experimental study based on finite element contact analysis

  • Received Date: 2010-01-15
  • Rev Recd Date: 2010-03-11
  • Publish Date: 2011-02-28
  • The precise tooth profile modification (TPM) of helical gears based on finite element contact analysis has been investigated,and the vibration comparative experiment has been carried out for verification.An accurate finite element contact analysis model of helical gears was established directly under ANSYS,while the integrated elastic deformation of the meshed teeth was extracted directly from the finite element contact analysis results,and considered as the main basis of the amount of tooth profile modification;then the precise tooth profile modification was presented.According to the presented design of tooth profile modification,the comparative experiment system was built up,and the vibration comparative experiment was carried out under a variety of speed and load conditions;then the actual effects and characteristics of vibration and noise reduction of the modified gears were discussed.Researches show that,the presented precise tooth profile modification is quite correct and reasonable,and also has a good effect of noise and vibration reduction,with the biggest reduction under each criterion down to 11.28dB and 4.69dB .

     

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