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International Standard Serial Number:
ISSN 1001-4551
Sponsor:
Zhejiang University;
Zhejiang Machinery and Electrical Group
Edited by:
Editorial of Journal of Mechanical & Electrical Engineering
Chief Editor:
ZHAO Qun
Vice Chief Editor:
TANG ren-zhong,
LUO Xiang-yang
Tel:
86-571-87041360,87239525
Fax:
86-571-87239571
Add:
No.9 Gaoguannong,Daxue Road,Hangzhou,China
P.C:
310009
E-mail:
meem_contribute@163.com
Abstract: At present, in the actual application conditions of the driven wheel hub bearing unit, there was a problem of frequent relative creep between the inner ring and the flange shaft.However, the anticreep design of the inner ring lacked targeted theoretical research. To this end,an experimental study was carried out on the design of the inner ring to resist creep. Firstly, based on the force analysis and finite element software,the peripheral matching conditions and influencing factors of the inner ring and the flange shaft were analyzed.Then, based on the customized interference and locking force, static and dynamic dual creep tests between the inner ring and the flange shaft were carried out, and the friction coefficient of the end face was analyzed.Finally,through the inner ring static and dynamic creep tests, the interference between the inner ring and the flange shaft and the influence of the wheel hub bearing locking axial force on the creep was obtained.The result indicated that the interference design is 0.045mm～0.060mm between the inner ring and the flange shaft, and the locking with an axial force is not less than 100kN, which can make the driven wheel hub bearing have excellent creep resistance, meet the requirements of no creep under the load condition of 0.7g for passenger cars.
Key words: rolling bearing; bearing inner ring; creepresistant design; interference; bearing locking axial force; static and dynamic creep tests
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- Chinese Sci-tech Core Periodicals
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