Finite element stress and vibration analysis of ball bearings
Ball bearings are widely used in rotary machineries. Bearings are usually subjected to loads from the shaft during operation. In this report, an attempt is made to carry out finite element analysis of a ball bearing subjected to radial loads from the shaft. A 2D sectional view of the ball bearing...
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| Format: | Final Year Project (FYP) |
| Language: | English |
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Nanyang Technological University
2022
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| Online Access: | https://hdl.handle.net/10356/158762 |
| _version_ | 1811693788681207808 |
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| author | Cheong, Meng Wei |
| author2 | Sellakkutti Rajendran |
| author_facet | Sellakkutti Rajendran Cheong, Meng Wei |
| author_sort | Cheong, Meng Wei |
| collection | NTU |
| description | Ball bearings are widely used in rotary machineries. Bearings are usually subjected to loads
from the shaft during operation. In this report, an attempt is made to carry out finite element
analysis of a ball bearing subjected to radial loads from the shaft. A 2D sectional view of the
ball bearing together with a shaft were modelled. The force and stress distributions in the ball
elements are then analysed. ANSYS Mechanical APDL is used for the finite element analysis.
Load-displacement characteristics in the ball elements are evaluated at varying displacement
of the shaft. The natural frequencies and mode shapes of the ball bearing are also analysed.
The load and stress analysis shows that majority of the load is shared by the ball elements in
the upper half of the ball bearing when the radial load is upwards. The balls in the lower half
do not carry any load. Observations from the von Mises stress analysis shows that the highest
stress regions occur at the point contacts between the ball element and raceways as one would
expect. |
| first_indexed | 2024-10-01T06:57:15Z |
| format | Final Year Project (FYP) |
| id | ntu-10356/158762 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T06:57:15Z |
| publishDate | 2022 |
| publisher | Nanyang Technological University |
| record_format | dspace |
| spelling | ntu-10356/1587622023-03-04T20:14:48Z Finite element stress and vibration analysis of ball bearings Cheong, Meng Wei Sellakkutti Rajendran School of Mechanical and Aerospace Engineering MSRajendran@ntu.edu.sg Engineering::Mechanical engineering Ball bearings are widely used in rotary machineries. Bearings are usually subjected to loads from the shaft during operation. In this report, an attempt is made to carry out finite element analysis of a ball bearing subjected to radial loads from the shaft. A 2D sectional view of the ball bearing together with a shaft were modelled. The force and stress distributions in the ball elements are then analysed. ANSYS Mechanical APDL is used for the finite element analysis. Load-displacement characteristics in the ball elements are evaluated at varying displacement of the shaft. The natural frequencies and mode shapes of the ball bearing are also analysed. The load and stress analysis shows that majority of the load is shared by the ball elements in the upper half of the ball bearing when the radial load is upwards. The balls in the lower half do not carry any load. Observations from the von Mises stress analysis shows that the highest stress regions occur at the point contacts between the ball element and raceways as one would expect. Bachelor of Engineering (Mechanical Engineering) 2022-06-06T04:14:46Z 2022-06-06T04:14:46Z 2022 Final Year Project (FYP) Cheong, M. W. (2022). Finite element stress and vibration analysis of ball bearings. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/158762 https://hdl.handle.net/10356/158762 en B179 application/pdf Nanyang Technological University |
| spellingShingle | Engineering::Mechanical engineering Cheong, Meng Wei Finite element stress and vibration analysis of ball bearings |
| title | Finite element stress and vibration analysis of ball bearings |
| title_full | Finite element stress and vibration analysis of ball bearings |
| title_fullStr | Finite element stress and vibration analysis of ball bearings |
| title_full_unstemmed | Finite element stress and vibration analysis of ball bearings |
| title_short | Finite element stress and vibration analysis of ball bearings |
| title_sort | finite element stress and vibration analysis of ball bearings |
| topic | Engineering::Mechanical engineering |
| url | https://hdl.handle.net/10356/158762 |
| work_keys_str_mv | AT cheongmengwei finiteelementstressandvibrationanalysisofballbearings |