Volume 27 Issue 6
Jun.  2012
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NIE Shao-wu, DENG Xiao-zhong, LI Tian-xing, ZHANG Hua, DENG Jing. Tooth meshing contact analysis for bevel gears by face hobbing method based on arc blade profile[J]. Journal of Aerospace Power, 2012, 27(6): 1424-1431.
Citation: NIE Shao-wu, DENG Xiao-zhong, LI Tian-xing, ZHANG Hua, DENG Jing. Tooth meshing contact analysis for bevel gears by face hobbing method based on arc blade profile[J]. Journal of Aerospace Power, 2012, 27(6): 1424-1431.

Tooth meshing contact analysis for bevel gears by face hobbing method based on arc blade profile

  • Received Date: 2011-07-08
  • Publish Date: 2012-06-28
  • In order to improve tooth contact quality of bevel gears by face hobbing method,the straight-line blade profile modified with arc profile and tooth meshing analysis was studied based on generating method of Oerlikon bevel gears.Firstly,the arc blade profile geometry was designed,and the arc blade edge equation was derived.On the basis of mathematical model of bevel gears by face hobbing method,the theoretical tooth surface equation of processed gear was derived.The effect of blade profile modified with arc shape on tooth surface was studied,and the modified quantity of tooth flank was calculated by the use of numerical method.The mathematical model of gears testing with alignment errors was established,and the simplified algorithm of tooth contact analysis was derived.Finally,making tooth contact analysis for Oerlikon bevel gears processed with arc blade profile,the results demonstrate that modifying tooth surface with arc blade profile by selecting appropriate radius not only can reduce risk to edge contact,lower sensitive to alignment errors,and improve bias-in contact quality,but also can revise contact areas for two tooth surfaces,respectively.

     

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