CRH5型动车组制动盘异常磨耗原因分析
高靖添孟繁辉姚风龙杨再保汝泽洋原崇洋
Cause Analysis of Abnormal Wear of CRH5 EMU Brake Disc
GAO JingtianMENG FanhuiYAO FenglongYANG ZaibaoRU ZeyangYUAN Chongyang
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作者信息:中车长春轨道客车股份有限公司国家轨道客车工程研究中心，130062，长春
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Affiliation:National Engineering Research Center of Railway Vehicles, CRRC Changchun Railway Vehicles Co., Ltd., 130062, Changchun, China
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关键词:
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Key words:
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DOI:10.16037/j.1007-869x.2022.01.035
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中图分类号/CLCN:U260.35
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栏目/Col:应用技术
摘要:
调查分析了CRH5型动车组制动盘异常磨耗产物产生的原因。通过宏观及微观的检查分析发现：异常磨耗产物主要来自制动盘摩擦环；施加制动时制动盘及闸片之间产生高温，被切削下的金属碎屑在高温下发生焊合；多次制动后，异常磨耗产物便逐渐增大。分析表明，制动盘异常磨耗是极端寒冷的冰雪天气环境以及冷焊效应和淬火效应等共同作用的结果。
Abstracts:
The causes of abnormal wear products on brake discs of CRH5 EMU are investigated and analyzed. Through macro and micro inspection analysis, it is found that the abnormal wear products mainly come from the brake disc friction ring. During braking, high temperature is generated between the brake disc and the brake pads, and the metal chips being cut are welded at high temperature. The abnormal wear product gradually grows after multiple braking actions. Analysis shows that the abnormal wear of the brake disc is the result of the extreme cold ice and snow weather, cold welding effect and quenching effect.
引文 / Ref:
高靖添,孟繁辉,姚风龙,等.CRH5型动车组制动盘异常磨耗原因分析[J].城市轨道交通研究，2022，25（1）：186.
GAO Jingtian,MENG Fanhui,YAO Fenglong,et al.Cause Analysis of Abnormal Wear of CRH5 EMU Brake Disc[J].Urban mass transit，2022，25（1）：186.
GAO Jingtian,MENG Fanhui,YAO Fenglong,et al.Cause Analysis of Abnormal Wear of CRH5 EMU Brake Disc[J].Urban mass transit，2022，25（1）：186.
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