考虑线路因素的动车组车轮磨耗与璇修规律研究

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中图分类号：U279.3 文献标志码：A 文章编号：2095-2945（2025）26-0069-06

Abstract：Wheelsareakeycomponentindirectcontactwiththetrack，andtheirwearstatedirectlyafectsthesafetyand stabilityofthetrain.ThisstudytakestheCRH40OAFEMUastheresearchobject，comprehensivelyconsidersdiferentline factors，andconductsanin-depthanalysisofwhelwearandtuminglaws.First，basedonhistoricalturningdatathe relationshipbetweenwheelrimthicknessandwheeldiameterisanalyzed，andtherelationshipbetweenthetwoisfiedby regresionanalysismethodtoobtainthecompensationruleofwhelrimthickness.Finall，basedonthewearcharacteristisof Beijing-GuangzhouExpressway，Beijing-Hong Kong-KowloonLineandBeijing-KowlooLine，theturningrulesofEMUare analyzed.Theresultsshowthatwheelweariscloselyrelatedtolineconditions，andtherearesignificantdiferencesinwearlaws under different lines.

Keywords：wheel;EMU;wheel wear;latherule;line factor

在动车组列车运行过程中，车轮踏面容易发生多种故障，如车轮多边形、疲劳剥离等情况，严重影响列车运行安全与稳定性。（剩余4392字）