Proposal of Backing Ring for Reducing Fretting Wear of Axle Journal Bearings

被引：0
|
作者：
Okamura Y. [1 ]
Suzuki D. [1 ]
Fukagai S. [2 ]
Takahashi K. [3 ]
Nagatomo T. [3 ]
机构：
[1] Lubricating Materials Laboratory, Materials Technology Division
[2] Frictional Materials Laboratory, Materials Technology Division
[3] Lubricating Materials Laboratory, Materials Technology Division (Former)
来源：
Quarterly Report of RTRI (Railway Technical Research Institute) | 2023年 / 64卷 / 03期
关键词：
axle bearing; contact pressure; fretting; grooving; pressure distribution; wear;
D O I：
10.2219/rtriqr.64.3_186
中图分类号：
学科分类号：
摘要：
It is necessary to reduce fretting wear of railway axle journal bearings caused by very slight relative slips between the contact surfaces of the inner ring and the backing ring. This paper proposes a backing ring with grooves in the circumferential direction on its oil seal sliding surface to obtain even contact pressure distributions in the radial direction between them. Results of a rotation test on a full‐scale railway axle bearing using the proposed backing ring showed that this proposal is effective in suppressing fretting wear. © 2023 Ken-yusha Inc.. All rights reserved.
引用
收藏
页码：186 / 192
页数：6
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