Influence of the thermal expansion of a shaft on the misalignment of bevel gears

doi:10.16511/j.cnki.qhdxxb.2016.22.013

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Abstract Misalignment can significantly impact the force transmission in bevel gears. The thermal expansion of the shaft can impact the stiffness of the transmission system which further influences the misalignment. The effect of the thermal expansion of the shaft on the misalignment is given by a relationship between the thermal expansion and the bearing stiffness and shaft system deformation. A non-linear finite element model is built to model a bevel gear transmission system with the thermal expansion to calculate the bevel gear misalignment. The results show that the thermal expansion reduces the bevel gear misalignment with higher working temperatures giving greater thermal expansion effects. The results describe how to use the expansion effect for bevel gear rating and design.

Keywords misalignments of bevel gears thermal expansion finite element method bearing stiffness system deformation

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TH132

Issue Date: 15 June 2016

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	TIAN Cheng
	ZHOU Chi
	DING Weiqi
	GUI Liangjin
	FAN Zijie

Cite this article:

TIAN Cheng,ZHOU Chi,DING Weiqi, et al. Influence of the thermal expansion of a shaft on the misalignment of bevel gears[J]. Journal of Tsinghua University(Science and Technology), 2016, 56(6): 565-571.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2016.22.013 OR http://jst.tsinghuajournals.com/EN/Y2016/V56/I6/565

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