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Bearing Life Optimization for Automotive Wheel Bearings
Technical Paper
2019-01-2137
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Automotive wheel bearings have primary functions of translating the rotating motion of the wheels into linear vehicle motion while bearing the vehicle weight. Bearing life is affected by many parameters such as bearing geometry, vehicle and bearing technical specifications, driving conditions, lubrication conditions, material properties, and so on. In this paper, the optimization of bearing life was performed. Optimization formulation with no constraints was established to solve this problem. The large scale generalized reduced gradient, LSGRG, algorithm was applied to calculate the basic rating life and modified rating life proposed by ISO 281:1990 and ISO 281:2007, respectively. The optimization history for design variables and cost function were investigated. The results showed that the optimized basic rating life and modified rating life increased about 15% and 31% comparing with those of initial life, respectively.
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Authors
Citation
Lee, S., "Bearing Life Optimization for Automotive Wheel Bearings," SAE Technical Paper 2019-01-2137, 2019, https://doi.org/10.4271/2019-01-2137.Data Sets - Support Documents
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References
- Lee , S. Bearing Life Evaluation for Automotive Wheel Bearings Using Design of Experiments SAE Technical Paper 2018-01-1903 2018 10.4271/2018-01-1903
- Lee , S. , Lee , N. , Lim , J. , and Park , J. The Effect of Outer Ring Flange Concavity on Automotive Wheel Bearings Performance SAE Int. J. Passeng. Cars - Mech. Syst. 9 3 2016 10.4271/2016-01-1958
- Lee , S.P. Bearing Life Evaluation of Automotive Wheel Bearing Considering Operation Loading and Rotation Speed Trans. Korean Soc. Mech. Eng. A 40 6 595 602 2016 10.3795/KSME-A.2016.40.595
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