Comparison of Lubrication and Structure for Connecting Rod Small End Bearing for an&nbsp; 8 V Diesel Engine
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ZHAO Zhiqiang; WANG Genquan; WANG Yanrong; ZHANG Limin; XU Chunguang; WU Yanling; LI Xiaohua

doi:10.3969/j.issn.1001-2222.2017.02.014

Vehicle Engine >

2017 , Vol. 0 >Issue 2: 78 - 82

DOI: https://doi.org/10.3969/j.issn.1001-2222.2017.02.014

Comparison of Lubrication and Structure for Connecting Rod Small End Bearing for an 8 V Diesel Engine

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ZHAO Zhiqiang ,
WANG Genquan ,
WANG Yanrong ,
ZHANG Limin ,
XU Chunguang ,
WU Yanling ,
LI Xiaohua

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(China North Engine Research Institute(Tianjin), Tianjin 300400, China)

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Abstract

For the wear and loosening failure of connecting rod bush on an 8V diesel engine caused by insufficient lubrication and back pressure, the scheme of improving the oil groove structure of connecting rod bush and increasing the bush thickness was proposed by means of simulation. Finally, the improved structural rigidity was verified by the stiffness comparison and analysis of connecting rod small end. The problems proved to be effectively solved by 500 h durability test.

Key words： diesel engine; bush; structure design; optimization

Cite this article

ZHAO Zhiqiang , WANG Genquan , WANG Yanrong , ZHANG Limin , XU Chunguang , WU Yanling , LI Xiaohua .

Comparison of Lubrication and Structure for Connecting Rod Small End Bearing for an 8 V Diesel Engine

#br# #br#[J]. Vehicle Engine, 2017 , 0(2) : 78 -82 . DOI: 10.3969/j.issn.1001-2222.2017.02.014

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