一个创新的小规模试验程序，以研究损坏的鞋制动车轮

IF 1.7 4区工程技术 Q3 ENGINEERING, CIVIL

Proceedings of the Institution of Mechanical Engineers Part F-Journal of Rail and Rapid Transit Pub Date : 2023-05-05 DOI:10.1177/09544097231173738

L. Ghidini, M. Faccoli, N. Zani, C. Petrogalli, Silvio Bonometti, A. Mazzù

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引用次数: 0

摘要

闸瓦系统的扩散使得研究制动轮轨相互作用成为必要。本研究旨在通过一种创新的小型试验装置“四触点试验机”来阐明这一主题。设计了一种测试程序，其中ER7钢车轮与R260钢轨和两种不同的闸瓦材料(铸铁和烧结材料)耦合。结果表明，4触点机器再现了轮-轨-制动蹄片接触和损坏的影响，类似于在铁路车轮寿命结束时观察到的影响，突出了两种制动材料之间的显着差异。

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An innovative small-scale testing procedure to study damage in shoe-braked wheels

The diffusion of brake-shoe system has made it necessary to study brake–wheel–rail interactions. This study aims to elucidate this topic with an innovative small-scale test rig, the ‘4-contact machine’. A test procedure is designed in which an ER7 steel wheel is coupled with a R260 steel rail and two different brake-shoe materials (cast iron and sintered material). The results show that the 4-contact machine reproduces the effects of wheel–rail–brake shoe contact and damage similar to those observed on a railway wheel at the end of its life, highlighting marked differences in behaviour between the two brake materials.

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来源期刊

Proceedings of the Institution of Mechanical Engineers Part F-Journal of Rail and Rapid Transit 工程技术-工程：机械

CiteScore

4.80

自引率

10.00%

发文量

审稿时长

7 months

期刊介绍： The Journal of Rail and Rapid Transit is devoted to engineering in its widest interpretation applicable to rail and rapid transit. The Journal aims to promote sharing of technical knowledge, ideas and experience between engineers and researchers working in the railway field.