外文翻译--无级变速器中摩擦环的应力分析 英文版.pdf

FINITEELEMENTSINANALYSISANDDESIGN352000213}225STRESSANALYSISOFTHERINGINCONTINUOUSLYVARIABLETRANSMISSIONMECHANISMSERDARTUMKORDESIGNANDMANUFACTURINGINSTITUTE,STEVENSINSTITUTEOFTECHNOLOGY,CASTLEPOINTONHUDSON,HOBOKEN,NJ07030,USAABSTRACTDURINGTHESERVICEPERFORMANCEOFAFRICTIONRINGINACONTINUOUSLYVARIABLETRANSMISSIONCVTMECHANISM,THEMOSTCOMMONLYOBSERVEDFAILUREMODEISFATIGUEFAILURETHEMAINPURPOSEOFTHISSTUDYISTODETERMINETHEREASONOFTHISFAILUREANDTOIMPROVETHESHAPEOFTHERINGTHERINGISMODELEDBYTHENITEELEMENTMETHODFEMANDALSOCHECKEDBYANALYTICALFORMULASGENERATEDFORCIRCULARRINGSTHECALCULATIONSSHOWTHATHIGHINTERIORSTRESSESAREPRESENTONTHECONTACTSURFACESTHESHAPEOFTHERINGISMODIEDTONDTHEOPTIMUMSHAPEANDDIMENSIONSOFTHERINGBYTURNINGAGROOVEINSIDEOFTHERING,THESURFACESTRESSISDECREASED,BUTTHESTRESSESNEARTHEGROOVEISINCREASEDBASEDONAFEMANALYSISDEPENDINGONTHEGROOVERADIIAFTERANALYSISANDOPTIMIZATIONOFTHEGROOVERADIUS,THEDIMENSIONR195MMISCALCULATEDANDTESTEDFATIGUEFAILUREISOBSERVEDTODECREASEBYTESTINGTHEMODIEDRING2000ELSEVIERSCIEN