Mechanical performance analysis of hollow cylindrical roller bearing of cone bit by FEM
Bearings are key components of cone bit, thus its rapid failure is a major cause of leading to lower life of the bit. To improve the bearing performance and prolong working life, contact mechanics of hollow cylindrical roller bearing of cone bit was simulated. Effects of hollow size, drilling pressu...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
KeAi Communications Co., Ltd.
2015-12-01
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| Series: | Petroleum |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S240565611500067X |
| _version_ | 1818418465512357888 |
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| author | Chuanjun Han Cheng Yu Ying Li Jiawei Yan Jie Zhang |
| author_facet | Chuanjun Han Cheng Yu Ying Li Jiawei Yan Jie Zhang |
| author_sort | Chuanjun Han |
| collection | DOAJ |
| description | Bearings are key components of cone bit, thus its rapid failure is a major cause of leading to lower life of the bit. To improve the bearing performance and prolong working life, contact mechanics of hollow cylindrical roller bearing of cone bit was simulated. Effects of hollow size, drilling pressure, friction coefficient and fitting clearance on mechanics performance of the bearing were studied. The results show that the maximum equivalent stress of the hollow cylindrical roller bearing appears on the claw journal, and the maximum contact stress appears on the contact pair of the hollow roller. Besides, hollow sizes have a greater impact on the equivalent stress and contact stress of the cylindrical roller, while the influence on the stress of the cone and claw journal is relatively small. With the increasing of the drilling pressure and fitting clearance, equivalent stress and contact stress of bearing parts increase. The friction coefficient has little impact on mechanical performance of the bearing. As the 121/4SWPI517 type hollow cylindrical roller bearing of cone bit an example, the optimal hollow size is 55%, the drilling pressure is 140 kN and the fitting clearance is 0–0.02 mm. |
| first_indexed | 2024-12-14T12:23:07Z |
| format | Article |
| id | doaj.art-c49d3adc5c9349d38c1e288f4026ea49 |
| institution | Directory Open Access Journal |
| issn | 2405-6561 |
| language | English |
| last_indexed | 2024-12-14T12:23:07Z |
| publishDate | 2015-12-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Petroleum |
| spelling | doaj.art-c49d3adc5c9349d38c1e288f4026ea492022-12-21T23:01:25ZengKeAi Communications Co., Ltd.Petroleum2405-65612015-12-011438839610.1016/j.petlm.2015.10.012Mechanical performance analysis of hollow cylindrical roller bearing of cone bit by FEMChuanjun Han0Cheng Yu1Ying Li2Jiawei Yan3Jie Zhang4School of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, ChinaSchool of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, ChinaSchool of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, ChinaPetrochina Co Ltd Pipeline Company, Langfang 065000, ChinaSchool of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, ChinaBearings are key components of cone bit, thus its rapid failure is a major cause of leading to lower life of the bit. To improve the bearing performance and prolong working life, contact mechanics of hollow cylindrical roller bearing of cone bit was simulated. Effects of hollow size, drilling pressure, friction coefficient and fitting clearance on mechanics performance of the bearing were studied. The results show that the maximum equivalent stress of the hollow cylindrical roller bearing appears on the claw journal, and the maximum contact stress appears on the contact pair of the hollow roller. Besides, hollow sizes have a greater impact on the equivalent stress and contact stress of the cylindrical roller, while the influence on the stress of the cone and claw journal is relatively small. With the increasing of the drilling pressure and fitting clearance, equivalent stress and contact stress of bearing parts increase. The friction coefficient has little impact on mechanical performance of the bearing. As the 121/4SWPI517 type hollow cylindrical roller bearing of cone bit an example, the optimal hollow size is 55%, the drilling pressure is 140 kN and the fitting clearance is 0–0.02 mm.http://www.sciencedirect.com/science/article/pii/S240565611500067XCone bitHollow cylindrical roller bearingFinite element methodContact stressMechanical property |
| spellingShingle | Chuanjun Han Cheng Yu Ying Li Jiawei Yan Jie Zhang Mechanical performance analysis of hollow cylindrical roller bearing of cone bit by FEM Petroleum Cone bit Hollow cylindrical roller bearing Finite element method Contact stress Mechanical property |
| title | Mechanical performance analysis of hollow cylindrical roller bearing of cone bit by FEM |
| title_full | Mechanical performance analysis of hollow cylindrical roller bearing of cone bit by FEM |
| title_fullStr | Mechanical performance analysis of hollow cylindrical roller bearing of cone bit by FEM |
| title_full_unstemmed | Mechanical performance analysis of hollow cylindrical roller bearing of cone bit by FEM |
| title_short | Mechanical performance analysis of hollow cylindrical roller bearing of cone bit by FEM |
| title_sort | mechanical performance analysis of hollow cylindrical roller bearing of cone bit by fem |
| topic | Cone bit Hollow cylindrical roller bearing Finite element method Contact stress Mechanical property |
| url | http://www.sciencedirect.com/science/article/pii/S240565611500067X |
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