| 地铁车辆车轮踏面异常磨耗原因初探 |
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| 引用本文： | 乔青峰. 地铁车辆车轮踏面异常磨耗原因初探[J]. 铁道车辆, 2011, 49(6): 28-32,48 |
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| 作者姓名： | 乔青峰 |
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| 作者单位： | 南车青岛四方机车车辆股份有限公司技术中心,山东青岛,266111 |
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| 摘 要： | 运营速度80 km/h常规城轨车辆的基础制动方式基本采用踏面制动+合成闸瓦,文章针对城轨车辆合成闸瓦对车轮踏面磨耗的影响、制动力分配方式对踏面磨耗的影响、闸瓦与车轮的匹配及热负荷计算等进行了分析研究,探讨了造成地铁车辆踏面异常磨耗的原因。
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| 关 键 词： | 踏面制动 合成闸瓦 热负荷 踏面异常磨耗 |
Initial Analysis of Causes to Abnormal Wear of Wheel Treads of Metro Vehicles |
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| QIAO Qing-feng. Initial Analysis of Causes to Abnormal Wear of Wheel Treads of Metro Vehicles[J]. Rolling Stock, 2011, 49(6): 28-32,48 |
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| Authors: | QIAO Qing-feng |
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| Affiliation: | QIAO Qing-feng (male,born in 1978,engineer,Technical Center of CSR Qingdao Sifang Locomotive & Rolling Stock Co.,Ltd.,Qingdao 266111,China) |
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| Abstract: | In the foundation brake mode of common urban rail vehicles with the operation speed of 80 km/h,basically,the tread braking plus composite brake shoe are applied.In this paper,the analysis and research are made on the effect of composite brake shoes of urban rail vehicles on wear of wheel treads,the effect of brake force distribution mode on wear of treads,the matching of brake shoes and the wheels,and the calculation of thermal load.The causes to abnormal wear of wheel treads of metro vehicles are discussed... |
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| Keywords: | tread braking composite brake shoe thermal load abnormal wear of tread |
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