Effect of Oil Film Parameter on Vibration Acceleration and Electrical Pitting of Small Ball Bearing
The authors have studied the current density and voltage at which electrical pitting occurs in a small ball bearing. Some current-applying bearing tests in previous studies showed an interesting tendency for the vibration of bearings to increase when they were lubricated with a thicker oil film. In...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Japanese Society of Tribologists
2012-03-01
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| Series: | Tribology Online |
| Subjects: | |
| Online Access: | https://www.jstage.jst.go.jp/article/trol/7/1/7_1_33/_pdf/-char/en |
| _version_ | 1818978703110045696 |
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| author | Shoji Noguchi Eriko Fukuda Tohru Kanada |
| author_facet | Shoji Noguchi Eriko Fukuda Tohru Kanada |
| author_sort | Shoji Noguchi |
| collection | DOAJ |
| description | The authors have studied the current density and voltage at which electrical pitting occurs in a small ball bearing. Some current-applying bearing tests in previous studies showed an interesting tendency for the vibration of bearings to increase when they were lubricated with a thicker oil film. In this study, the oil film parameter is intentionally changed, and its effects on the generation of pitting and vibration acceleration are experimentally investigated. Ball bearing endurance tests involving 500 h of operation were performed by applying a direct electric current with various rotational speeds, and with various base oil viscosities of grease and surface roughness of the raceway. The test results clarified that electrical pitting appeared more clearly and the vibration due to damage became severer with increasing oil film parameter. Although a larger oil film parameter is generally advantageous for increasing bearing life, it is undesirable from the standpoint of preventing electrical pitting. |
| first_indexed | 2024-12-20T16:47:51Z |
| format | Article |
| id | doaj.art-f538b6b67db24a91ab79588fa195c9d6 |
| institution | Directory Open Access Journal |
| issn | 1881-2198 |
| language | English |
| last_indexed | 2024-12-20T16:47:51Z |
| publishDate | 2012-03-01 |
| publisher | Japanese Society of Tribologists |
| record_format | Article |
| series | Tribology Online |
| spelling | doaj.art-f538b6b67db24a91ab79588fa195c9d62022-12-21T19:32:54ZengJapanese Society of TribologistsTribology Online1881-21982012-03-0171334010.2474/trol.7.33trolEffect of Oil Film Parameter on Vibration Acceleration and Electrical Pitting of Small Ball BearingShoji Noguchi0Eriko Fukuda1Tohru Kanada2Department of Mechanical Engineering, Tokyo University of ScienceDepartment of Mechanical Engineering, Tokyo University of ScienceDepartment of Mechanical Engineering, Kanto Gakuin UniversityThe authors have studied the current density and voltage at which electrical pitting occurs in a small ball bearing. Some current-applying bearing tests in previous studies showed an interesting tendency for the vibration of bearings to increase when they were lubricated with a thicker oil film. In this study, the oil film parameter is intentionally changed, and its effects on the generation of pitting and vibration acceleration are experimentally investigated. Ball bearing endurance tests involving 500 h of operation were performed by applying a direct electric current with various rotational speeds, and with various base oil viscosities of grease and surface roughness of the raceway. The test results clarified that electrical pitting appeared more clearly and the vibration due to damage became severer with increasing oil film parameter. Although a larger oil film parameter is generally advantageous for increasing bearing life, it is undesirable from the standpoint of preventing electrical pitting.https://www.jstage.jst.go.jp/article/trol/7/1/7_1_33/_pdf/-char/enoil film parameterelectric pittingvibration accelerationsmall ball bearingrotational speedbase oil viscositysurface roughness |
| spellingShingle | Shoji Noguchi Eriko Fukuda Tohru Kanada Effect of Oil Film Parameter on Vibration Acceleration and Electrical Pitting of Small Ball Bearing Tribology Online oil film parameter electric pitting vibration acceleration small ball bearing rotational speed base oil viscosity surface roughness |
| title | Effect of Oil Film Parameter on Vibration Acceleration and Electrical Pitting of Small Ball Bearing |
| title_full | Effect of Oil Film Parameter on Vibration Acceleration and Electrical Pitting of Small Ball Bearing |
| title_fullStr | Effect of Oil Film Parameter on Vibration Acceleration and Electrical Pitting of Small Ball Bearing |
| title_full_unstemmed | Effect of Oil Film Parameter on Vibration Acceleration and Electrical Pitting of Small Ball Bearing |
| title_short | Effect of Oil Film Parameter on Vibration Acceleration and Electrical Pitting of Small Ball Bearing |
| title_sort | effect of oil film parameter on vibration acceleration and electrical pitting of small ball bearing |
| topic | oil film parameter electric pitting vibration acceleration small ball bearing rotational speed base oil viscosity surface roughness |
| url | https://www.jstage.jst.go.jp/article/trol/7/1/7_1_33/_pdf/-char/en |
| work_keys_str_mv | AT shojinoguchi effectofoilfilmparameteronvibrationaccelerationandelectricalpittingofsmallballbearing AT erikofukuda effectofoilfilmparameteronvibrationaccelerationandelectricalpittingofsmallballbearing AT tohrukanada effectofoilfilmparameteronvibrationaccelerationandelectricalpittingofsmallballbearing |