Multi-objective optimization of loaded spiral bevel and hypoid gears

doi:10.16511/j.cnki.qhdxxb.2018.22.023

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Abstract The loaded stresses in the tooth flank of spiral bevel and hypoid gears were optimized without a trial-and-error procedure in a multi-objective optimization model. The multi-objective optimization model was developed considering the maximum contact pressure, load transmission error, load contact pattern and the maximum bending stress. A semi-analytical loaded tooth contact analysis model for the root bending stress was developed to calculate the objectives and constraints. Kriging surrogate models of the objectives and constraints together with a multi-objective genetic algorithm were used to solve the optimization model. The model was then used to optimize a spiral bevel gear pair for a drive axle. The loaded contact pattern was completely in the ideal zone with the maximum contact pressure decreased by 11.7%, the loaded transmission error decreased by 27.9% and the maximum bending stresses in the wheel and pinion decreased by 2.0% and 12.6%. The optimal design was installed in a drive axle for loaded contact tests that showed that the actual loaded contact pattern coincided well with the predicted loaded contact pattern, which verified the accuracy of the optimization approach.

Keywords spiral bevel and hypoid gear tooth flank optimization loaded tooth contact analysis loaded contact performance

Issue Date: 15 June 2018

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	WANG Qi
	ZHOU Chi
	GUI Liangjin
	FAN Zijie

Cite this article:

WANG Qi,ZHOU Chi,GUI Liangjin, et al. Multi-objective optimization of loaded spiral bevel and hypoid gears[J]. Journal of Tsinghua University(Science and Technology), 2018, 58(6): 529-538.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2018.22.023 OR http://jst.tsinghuajournals.com/EN/Y2018/V58/I6/529

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