Comparison of Piston Pin Hole Profiles for Diesel Engine

ZHANG Limin; LU Shiyong; HAN Qi; LIU Zhigang; ZHANG Wei

doi:10.3969/j.issn.1001-2222.2017.03.014

Vehicle Engine >

2017 , Vol. 0 >Issue 3: 78 - 81

DOI: https://doi.org/10.3969/j.issn.1001-2222.2017.03.014

Comparison of Piston Pin Hole Profiles for Diesel Engine

ZHANG Limin ,
LU Shiyong ,
HAN Qi ,
LIU Zhigang ,
ZHANG Wei

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(1. China North Engine Research Institute(Tianjin),Tianjin 300400, China; 2． Military Representative Office of CPLA Designated to Plant 618,Beijing 100072, China;3. Operation Office of Armoured Force Military Representative Bureau， Beijing 100851, China)

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Abstract

In order to solve the wear problem of piston pin hole
for a diesel engine, the FE and EHD methods were used to analyze the influence
of piston pin hole structure and profile matching on the contact stress and the
influence of different profiles on lubrication evaluating index. The results
show that the direct reason of scuffing problem is the worse lubrication
resulted by the mismatch between profile and thermal deformation. Accordingly,
homogeneous contact stress, good lubrication and low risk of scuffing can be
obtained by matching a reasonable profile for piston pin hole.

Key words： internal combustion engine; piston pin hole；profile; wear; lubrication

Cite this article

ZHANG Limin , LU Shiyong , HAN Qi , LIU Zhigang , ZHANG Wei . Comparison of Piston Pin Hole Profiles for Diesel Engine[J]. Vehicle Engine, 2017 , 0(3) : 78 -81 . DOI: 10.3969/j.issn.1001-2222.2017.03.014

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