Cross hatched texture influence on the load carrying capacity of oil control rings

被引：44

作者：

Biboulet, N. ^{[1
]}

Bouassida, H. ^{[1
]}

Lubrecht, A. A. ^{[1
]}

机构：

[1] Univ Lyon, INSA Lyon, LaMCoS, CNRS UMR 5259, F-69621 Villeurbanne, France

来源：

TRIBOLOGY INTERNATIONAL | 2015年 / 82卷

关键词：

Cross-hatched pattern; Textured liner; Piston ring; SURFACE FINISH; FRICTION; PISTON; PARAMETERS; CONTACTS; ENGINES; LINER; WEAR;

D O I：

10.1016/j.triboint.2014.09.024

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The optimization of the cylinder-liner/piston-ring contact performance (oil consumption, friction and wear) is the final objective of this work. The micro-geometry impacts directly the contact behavior. Cross-hatched textures are usually manufactured on cylinder liner surfaces. Grooves are often described as lubricant reservoirs and pipes redistributing oil. Grooves also change the pressure distribution and load carrying capacity. The top ring generally has a parabolic shape. Oil control rings on the contrary are usually flat. Thus, the contact between an oil control ring and a smooth cylinder liner has no load carrying capacity. Cross hatched textures enable a certain load carrying capacity which depends on the operating conditions and the texture micro-geometry. This paper presents a numerical and an analytical analysis of this phenomenon. A set of functional parameters is proposed to model this contact and predict its load carrying capacity. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：12 / 19

页数：8

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