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Dynamic characteristics of torus involute gear drive

Dynamic characteristics of torus involute gear drive
Dynamic characteristics of torus involute gear drive
The torus involute gear drive originates from the involute spur gear drive, which is composed of a gear with convex teeth and the one with concave teeth. Previous researches of its mesh principle indicate that the torus involute gear can compensate large axial misalignments in parallel-shaft transmission, while its dynamic behavior has not been investigated comprehensively, or compared with that of the standard involute gear. This paper focuses on the dynamic performance of this type of gear. Considering the time variation of meshing stiffness, a 6-degree-of-freedom dynamics model of the torus involute gear pair is established, which counts in the effect of alternate meshing of single-double tooth pairs. Sliding friction in elastohydrodynamic lubrication is also included in the model. The numerical analysis for six cases is conducted, and the dynamic characteristics such as the dynamic transmission error, mechanical efficiency, sliding friction forces and minimum oil-film thickness are compared with those of the standard involute gear. The results show that, the torus involute gear drive exhibits good performances as the standard involute gear drive in transmission accuracy and mechanical efficiency, while, it has a better performance in lubrication condition. The study in this paper may lay theoretical foundations for practical application of the torus involute gears.
Dynamics, Vibrations, Acoustic
1806-3691
1-13
Liu, Lei
51ddf4cf-b2db-43ad-8e3b-46f0e110f3b2
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49
Liu, Lei
51ddf4cf-b2db-43ad-8e3b-46f0e110f3b2
Xiong, Yeping
51be8714-186e-4d2f-8e03-f44c428a4a49

Liu, Lei and Xiong, Yeping (2017) Dynamic characteristics of torus involute gear drive. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 1-13. (doi:10.1007/s40430-017-0799-4).

Record type: Article

Abstract

The torus involute gear drive originates from the involute spur gear drive, which is composed of a gear with convex teeth and the one with concave teeth. Previous researches of its mesh principle indicate that the torus involute gear can compensate large axial misalignments in parallel-shaft transmission, while its dynamic behavior has not been investigated comprehensively, or compared with that of the standard involute gear. This paper focuses on the dynamic performance of this type of gear. Considering the time variation of meshing stiffness, a 6-degree-of-freedom dynamics model of the torus involute gear pair is established, which counts in the effect of alternate meshing of single-double tooth pairs. Sliding friction in elastohydrodynamic lubrication is also included in the model. The numerical analysis for six cases is conducted, and the dynamic characteristics such as the dynamic transmission error, mechanical efficiency, sliding friction forces and minimum oil-film thickness are compared with those of the standard involute gear. The results show that, the torus involute gear drive exhibits good performances as the standard involute gear drive in transmission accuracy and mechanical efficiency, while, it has a better performance in lubrication condition. The study in this paper may lay theoretical foundations for practical application of the torus involute gears.

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Manuscript-final_Xiong 2017 - Accepted Manuscript
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More information

Accepted/In Press date: 23 April 2017
e-pub ahead of print date: 29 April 2017
Published date: 1 October 2017
Keywords: Dynamics, Vibrations, Acoustic

Identifiers

Local EPrints ID: 413612
URI: http://eprints.soton.ac.uk/id/eprint/413612
ISSN: 1806-3691
PURE UUID: c4bb1588-d5d9-4a43-b45c-060e8d9e6a83
ORCID for Yeping Xiong: ORCID iD orcid.org/0000-0002-0135-8464

Catalogue record

Date deposited: 30 Aug 2017 16:31
Last modified: 07 Oct 2020 06:26

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