重载铁路运输及其车轮使用状况概述精选.pdfVIP

DO I :10.16186/j .cnki .1673 -9787.2008.06.015 27 6 () Vo.l27　No.6 2008 12 　　 JOURNALOFHENANPOLYTECHNCUNVERSTY(NATURALSCENCE)　　 Dec.2008 1 1 2 2 2 米国发, 刘彦磊 , 张　斌, 付秀琴 , 张　弘 ＊ (1. , 　454003;2., 　100081) :国内外重载铁路运输的情况表明, 实施重载运输大大提高了铁路的运输 力, 降低了 运输成本.指出提高轴重是世界各国发展重载运输的一项重要举措.随着铁路运输重载和高 速的不断实施, 车轮的工作环境越来越苛刻.对车轮在重载运输中的使用情况及主要的失效 形式进行了阐述.铸钢车轮以其工艺流程短, 工艺简单, 成本低廉等特点, 在我国重载铁路 上的使用前景广阔, 补充了辗钢车轮生产 力的不足、 打破了货车车轮独家经营的局面, 同 时对辗钢车轮质量的提高也具有促进作用. 　　:重载铁路;轴重;铸钢车轮;辗钢车轮 :O239.4 　:A 　:1673-9798 (2008 )0 6-0689-07 Anoverviewofrailwaywheelserviceconditionunderheavyaxleloads 1 1 2 2 2 M Guo-fa, LUYan-lei, ZHANGBin, FUXiu-qin, ZHANGHong (1.SchoolofMaterialsScienceandEngineering, HenanPolytechnicUniversity, Jiaozuo　454003, China;2.MetalsandChemistrynstitut,e ChinaAcademyofRailwayScience,sBeijing　10081, China) Abstrac:tConditionsofheavyhaulraiwlaytransportathomeandabroadindicatedthatheavyhaultransport whichiscarriedou,thavegreatlyincreasedtherailwaytransportcapacityanddeclinedthetrafficcos.tForall ofcountriesintheworld, axleloadincreasingisthemainwaytodevelopheavyhaultranspor.tAlongwiththe executionofrailwayheavyhaultrafficandhighspeed, thewheelsworkingenvironmentbecomemoreandmore harsh.Theserviceconditionandfailureformofwheelinheavyhaultransportarealsodescribed.Becauseof shortprocessflow, smipleproductiontechnologyandlowcos,tcaststeelwheelhasabroadapplicationpros- pec,twhichmakinguptheshortsupplyofrolledsteelwheelandchangedtheframeofexclusivedealingsof freightcarwhee.lMeanwhil,e itplaysanmiportantroleformiprovingthequalityofrolledsteelwheelas wel.l Keywords:heavyhaulrailwa