摩擦副表面微观动压效应集成、传递及影响的研究

doi:10.3901/JME.2018.21.120

机械工程学报 ›› 2018, Vol. 54 ›› Issue (21): 120-126.doi: 10.3901/JME.2018.21.120

摩擦副表面微观动压效应集成、传递及影响的研究

周诗杰, 阿达依·谢尔亚孜旦

新疆大学机械工程学院乌鲁木齐 830047

收稿日期:2017-11-10 修回日期:2018-06-20 出版日期:2018-11-05 发布日期:2018-11-05
作者简介:周诗杰,女,1992年出生。主要研究方向为机械密封。E-mail:zzhoushijie@163.com;阿达依·谢尔亚孜旦,男,1963年出生,博士,教授,硕士研究生导师。主要研究方向为机械设计理论、非传统加工技术。E-mail:adayxj@126.com
基金资助:
国家自然科学基金资助项目（51665056）。

Research on Influence of Friction Surface Micro-topography on the Integration, Transmission and Its Action of Micro-dynamic Pressure Effect

ZHOU Shijie, ADAYI·Xieeryazidan

School of Mechanical Engineering, Xinjiang University, Urumuqi 830047

Received:2017-11-10 Revised:2018-06-20 Online:2018-11-05 Published:2018-11-05

摘要/Abstract

摘要： 为探讨摩擦副表面微观几何形貌的影响，基于试验数据的分析，利用分形几何理论和FLUENT等软件，分析和仿真模拟了磨削加工与电化学光整加工的表面微观几何形貌对动压效应的影响。结果表明：与磨削加工相比，电化学光整加工借助对表面微观几何形貌的改形，提高其规则化程度来改变微观动压效应的强弱分布；微观动压效应集成的结果形成膜压分布不均的压力场，而传递使压力场具有波动特性，形成压力波；与磨削加工相比，电化学光整加工的表面具有强化动压效应、改善压力场的波动及其稳定性的能力，可实现减阻、降磨及减振，有利于提高摩擦副的使用性能。

关键词: 表面微观几何形貌, 传递, 动压效应, 分形几何, 集成

Abstract: In order to improve the service performances of the friction surfaces, the influence of friction surface micro-topography machined by grinding and electrochemical finishing on micro-dynamic pressure effect is investigated by experimental test and simulation using the theory of fractal geometry and FLUENT software. The results show that electrochemical finishing can change the intensity distribution of the micro-dynamic pressure effect as a result of regularizing the surface micro-topography obtained by grinding. The transmission is the result of the balance among the lots of the micro-dynamic pressure effect which are generated by micro-topography of surface and are different in intensity of the pressure, and makes up an uneven distribution pressure field. Compared with the surface machined by grinding process, the surface contained by the electrochemical finishing is favorable in improving friction coefficient, wear and vibration.

Key words: dynamic pressure effect, fractal geometry, integration, micro-topography of surfaces, transmission

中图分类号:

TH117

周诗杰, 阿达依·谢尔亚孜旦. 摩擦副表面微观动压效应集成、传递及影响的研究[J]. 机械工程学报, 2018, 54(21): 120-126.

ZHOU Shijie, ADAYI·Xieeryazidan. Research on Influence of Friction Surface Micro-topography on the Integration, Transmission and Its Action of Micro-dynamic Pressure Effect[J]. Journal of Mechanical Engineering, 2018, 54(21): 120-126.

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摩擦副表面微观动压效应集成、传递及影响的研究

Research on Influence of Friction Surface Micro-topography on the Integration, Transmission and Its Action of Micro-dynamic Pressure Effect

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