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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: The cross joint sealing ring began to leak when the durability test of a certain type of cross joint loaded transport vehicle was lasted for 70 hours. Aiming at this problem, the failure mode and structural parameters of the cross joint sealing ring were studied.Firstly, by comparing the lip contour curves of the sealing ring before and after the test, the failure reason of the sealing ring was analyzed to identify the cause of oil leakage of the cross joint sealing ring. Then, taking the stress, the temperature and radial deformation of the lip as the target values, the structural parameters of the sealing ring, such as the contact form, contact angle, lip thickness and interference were studied regularly to obtain the optimal value range of each parameter. Taking the stress and temperature of the lip as the target values, the range analysis of lip thickness and interference were carried out to obtain their contribution degree.Finally, the optimization direction was confirmed and the new structure was designed according to the research content. At the same time, three groups of samples were selected for experimental verification. The results show that the oil leakage of the optimized sealing ring is less than 1g after 100 hours, which meet the test standard and solved the oil leakage problem.Meanwhile, it also indicates that the research can be used to solve the design and optimization problems of the cross joint sealing ring.
Key words: mechanical seal; structural parameters of sealing ring; range analysis; optimization design
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- Chinese Core Periodicals
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- Chinese Sci-tech Core Periodicals
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- SA, INSPEC Indexed
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- CSA: T Indexed
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