Articles | Volume 13, issue 2
Research article
04 Nov 2022
Research article |  | 04 Nov 2022

Surface modification and tooth contact analysis of variable hyperbolic circular-arc-tooth-trace cylindrical gears

Yongping Liu and Dengqiu Ma

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Subject: Mechanisms and Robotics | Techniques and Approaches: Mathematical Modeling and Analysis
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Cited articles

Chen, Y. C. and Lo, C. C.: Contact stress and transmission errors under load of a modified curvilinear gear set based on finite element analysis, P. I. Mech. Eng. C-J. Mec., 229, 191–204,, 2015. 
Fang, Z.: Model and approach for loaded tooth contact analysis (LTCA) of gear drives, Journal of Mechanical Transmission, 2, 2–4+17+53, 1998. 
Fuentes, A., Ruiz-Orzaez, R., and Gonzalez-Perez, I.: Computerized design, simulation of meshing, and finite element analysis of two types of geometry of curvilinear cylindrical gears, Comput. Meth. Appl. Mech. Eng., 272, 321–339,, 2014. 
Fuentes-Aznar, A., Ruiz-Orzaez, R., and Gonzalez Perez, I.: Comparison of spur, helical and curvilinear gear drives by means of stress and tooth contact analyses, Meccanica, 52, 1721–1738,, 2017. 
Guo, R., Wei, Y., Liu, Y., Li, D., Yang, D., and Zhao, G.: Analytical solution to contact characteristics for a variable hyperbolic circular-arc-tooth-trace cylindrical gear, Mech. Sci., 12, 923–932,, 2021. 
Short summary
Firstly, the tooth surface modification method based on the parabolic forming blade and cutter inclination was proposed. Next, the modified tooth surface equation was deduced and the 3D reconstruction of the modified tooth surface is realized. Then, the influence of modification parameters on tooth surface curvature characteristics was analysed. Finally, the tooth contact analysis model was established to discuss the influence of modification parameters on the elliptical contact area.