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Establishing a Method of Optimizing Wheel Bearing Outer Ring Design for Bearing Life Using a Surrogate Model NTN Corporation
- Format:
- Book
- Conference/Event
- Author/Creator:
- Kitada, Tatsuya, author.
- Conference Name:
- Brake Colloquium & Exhibition - 42nd Annual (2024-09-15 : Grapevine, Texas, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2024
- Summary:
- Wheel bearings play a critical role in providing smooth rotation when vehicles move in straight line and turning motions. If a wheel bearing catastrophically fails, there is the possibility of vehicle damage or even personal injury. Since this is the case, wheel bearings require a higher level of reliability and robustness. With the drive towards a carbon neutral society against the background of global warming in recent years, the demand for lightweighting and lower friction for wheel bearings has become a priority. Weight reductions will cause larger deformation of each bearing component, and especially raceway deformation of the outer ring will impact bearing life. Therefore, optimization of the outer ring geometry is required to meet bearing life requirements and to achieve a lightweight design. In this research, we clarified not only the relationship between outer ring raceway deformation and multiple outer ring geometries under turning load using FEM (Finite Element Method) but also between outer ring shape and bearing life. After performing FEM for multiple outer ring shapes by design of experiments, we calculated both deformation in the raceway and bearing life. As a result, we can predict bearing life given deformation of the outer ring, defining each dimension of the outer ring as design variable using the response surface method. Our findings reveal that optimizing the outer ring geometry significantly enhances bearing life while achieving a lightweight design
- Notes:
- Vendor supplied data
- Publisher Number:
- 2024-01-3045
- Access Restriction:
- Restricted for use by site license
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