吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (2): 471-478.doi: 10.13229/j.cnki.jdxbgxb201602021

• Orginal Article • Previous Articles     Next Articles

Analysis of contact ratio of point contact orthogonal variable transmission ratio face gear

LIN Chao, GU Si-jia, LIU Yi   

  1. State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China
  • Received:2014-06-29 Online:2016-02-20 Published:2016-02-20

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Abstract: To improve the transmission quality and bearing capacity of orthogonal variable transmission ratio face gear, the influences of the geometric parameters of gear pair on the contact ratio are investigated. According to the spatial gear meshing theory, the meshing coordinate is established and the equations of the section curve and crest curve s are deduced. The orthogonal variable transmission ratio face gear is transformed to non-circular gear rack and pinion. The calculation method of the contact ratio is proposed, and the influences of the geometric parameters of cutter gear and gear pair on the contact ratio are analyzed. The proposed calculation method of the contact ratio is verified by the measurement experiment of the actual contact ratio.

Key words: mechanical design, contact ratio, variable transmission ratio, face gear, pinion

CLC Number: 

  • TH132
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