Influence of surface texture on pocket pairs lubrication performance of cylindrical roller bearings

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL Industrial Lubrication and Tribology Pub Date : 2024-09-10 DOI:10.1108/ilt-05-2024-0165

Xuying Li, Yanbin Liu, Jie Huang, Deyu Sang, Kun Yang, Jinbo Ling

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Abstract

Purpose

This paper aims to reveal the influence of the grooved texture parameters on the lubrication performance of circular pocket-roller pairs in cylindrical roller bearings.

Design/methodology/approach

In this paper, the thermal elastohydrodynamic lubrication mathematical model of the grooved texture circular pocket-roller pair was established, the finite difference method and successive over-relaxation method were used to solve the model, the influence of texture quantity, texture depth and texture area ratio on circumferential bearing capacity, friction coefficient, maximum temperature rise, stiffness and damping of the circular pocket-roller pairs were analyzed.

Findings

The results show that texture quantity, texture depth and texture area ratio significantly influence the static and dynamic characteristics of circular pocket-roller pairs. The suitable surface groove texture parameters can dramatically improve the circumferential bearing capacity, reduce the friction coefficient, inhibit the maximum temperature rise and increase the stiffness and damping of the circular pocket-roller pairs.

Originality/value

The research in this paper can provide a theoretical basis for the optimization design of pockets in cylindrical roller bearings to reduce friction and vibration.

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表面纹理对圆柱滚子轴承袋对润滑性能的影响

目的本文旨在揭示圆柱滚子轴承中沟槽纹理参数对圆柱滚子轴承中圆弧袋形滚子对润滑性能的影响。设计/方法/途径本文建立了沟槽纹理圆柱滚子轴承热弹流体润滑数学模型，采用有限差分法和连续超松弛法求解模型，分析了纹理量、纹理深度和纹理面积比对圆柱滚子轴承圆周承载能力、摩擦系数、最大温升、刚度和阻尼的影响。结果表明，纹理量、纹理深度和纹理面积比对圆周袋形轧辊静态和动态特性有显著影响。合适的表面沟槽纹理参数能显著提高圆柱滚子轴承的圆周承载能力、降低摩擦系数、抑制最大温升并增加刚度和阻尼。

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来源期刊

Industrial Lubrication and Tribology 工程技术-工程：机械

CiteScore

3.00

自引率

18.80%

发文量

129

审稿时长

1.9 months

期刊介绍： Industrial Lubrication and Tribology provides a broad coverage of the materials and techniques employed in tribology. It contains a firm technical news element which brings together and promotes best practice in the three disciplines of tribology, which comprise lubrication, wear and friction. ILT also follows the progress of research into advanced lubricants, bearings, seals, gears and related machinery parts, as well as materials selection. A double-blind peer review process involving the editor and other subject experts ensures the content''s validity and relevance.