Study on the tribological performance of self-lubricating thrust ball bearings with different embedded features

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL Industrial Lubrication and Tribology Pub Date : 2024-06-25 DOI:10.1108/ilt-03-2024-0073

Ruifeng Liu, Yimin Zhang

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Abstract

Purpose

The purpose of this paper is to develop a new type of embedded solid self-lubricating thrust ball bearing for conditions where grease lubrication cannot be used and to analyze its tribological performance under different lubrication characteristics (lubrication position, width and filling amount).

Design/methodology/approach

Lubrication parameters such as position (a), width (W) and filling amount (Q) were considered. Grooves were made on the raceway with a fiber laser and solid self-lubricating materials were applied through scraping. The frictional behavior of the new bearing was analyzed using a vertical test rig and the bearing’s surface topography was examined with a noncontact profilometer to study wear mechanisms.

Findings

The new inlay thrust ball bearings exhibited excellent lubrication effects and effectively controlled the temperature rise of the bearings. When a is 0 degrees, W is 0.5 mm and Q is 16 mg, the bearing experiences the least wear, and the friction coefficient and temperature are the lowest, measuring 0.001 and 41.52 degrees, respectively. Under the same experimental conditions, compared to smooth bearings without solid lubrication, the friction coefficient decreased by 96.88% and the temperature decreased by 59.74%.

Originality/value

This study presents a self-lubricating thrust ball bearing designed for conditions where grease lubrication is not feasible. A comprehensive investigation was conducted on its surface morphology, wear mechanisms and tribological performance. This work provides valuable insights into the research of self-lubricating thrust ball bearings.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-03-2024-0073/

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具有不同嵌入特征的自润滑推力球轴承的摩擦学性能研究

设计/方法/途径考虑了位置（a）、宽度（W）和填充量（Q）等润滑参数。用光纤激光器在滚道上开槽，并通过刮削方式涂抹固体自润滑材料。使用垂直试验台分析了新型轴承的摩擦行为，并使用非接触式轮廓仪检测了轴承的表面形貌，以研究磨损机制。当 a 为 0 度、W 为 0.5 mm、Q 为 16 mg 时，轴承的磨损最小，摩擦系数和温度最低，分别为 0.001 度和 41.52 度。在相同的实验条件下，与无固体润滑的光滑轴承相比，摩擦系数降低了 96.88%，温度降低了 59.74%。对其表面形态、磨损机理和摩擦学性能进行了全面研究。这项工作为自润滑推力球轴承的研究提供了有价值的见解。同行评议本文的同行评议记录可在以下网址查阅：https://publons.com/publon/10.1108/ILT-03-2024-0073/。

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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.