Contact Characteristics Control Method of Spiral Bevel Gears Based on Ease-off

ZHANG Weiqing; MA Pengpeng; GUO Xiaodong

doi:10.11936/bjutxb2018040008

Journal of Beijing University of Technology > 2018 > 44(7): 1024-1031. > DOI: 10.11936/bjutxb2018040008

ZHANG Weiqing, MA Pengpeng, GUO Xiaodong. Contact Characteristics Control Method of Spiral Bevel Gears Based on Ease-off[J]. Journal of Beijing University of Technology, 2018, 44(7): 1024-1031. DOI: 10.11936/bjutxb2018040008

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Contact Characteristics Control Method of Spiral Bevel Gears Based on Ease-off

1.
Key Laboratory of Robot and Intelligent Manufacturing Technology, Education Commission of Chongqing, College of Mechanical Engineering, Chongqing University of Technology, Chongqing 400054, China
2.
Jiangsu Province Key Laboratory of Industrial Equipment Manufacturing and Digital Control Technology, Nanjing Tech University, Nanjing 211816, China

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Received Date: April 09, 2018
Available Online: August 03, 2022
Published Date: July 09, 2018

Graphical Abstract

Abstract

Abstract

To obtain good transmission quality, it is necessary to design the tooth profile of spiral bevel gears to control their contact characteristics. The tooth profile was designed through the construction of spiral bevel gear conjugate tooth profiles and ease-off tooth surface. The preset transmission errors were introduced in the solution of conjugate tooth surface, and a correlation model between the contact area morphological parameters and the ease-off tooth surface modification was established by using the relative curvature and line conjugate surface characteristics. All the contact parameters were accurately controlled. A designed method of ease-off tooth surface and contact area shape based on tooth surface characteristic conjugate contact line modification and interpolation algorithm was proposed, by which the tooth root due to modification of the factors that lead to the failure of solving undercutting can be avoided. At the same time, this method can be used to design the entire ease-off tooth surface by only a small number of feature points, which can significantly improve the computational efficiency. Finally, the correctness of the method were verified by the tooth design examples and tooth contact analysis.
- gear transmission,
- spiral bevel gear,
- ease-off,
- contact characteristics,
- transmission error,
- tooth surface modification

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References (21)

References

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Contact Characteristics Control Method of Spiral Bevel Gears Based on Ease-off