横滨的新轮胎设计方法学

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1、TireDesignMethodologyBasedonSafety-FactortoSatisfyTireLife轮胎设计方法学(主要以安全和使用寿命的因素考虑),此方法同样适用与载重胎和BUS胎SimulationApproachtoTruck&BusTireDesignKazuyukiKabeTheYokohamaRubberCO.,LTD14thChinaTireTechnologyConference2006.9.20Contents目录1.Introduction简介2.RadialTireConstruct

2、ion,Function&Characteristics特征3.FRR(CharacteristicsofCord&Rubber)4.IntroductionofSafety-Factorsforrubberproducts5.SimulationApproachtoDurabilityofRubberProduct6.NumericalExample:TruckandBusTire7.ConclusionsIntroductionPurposeofThisPaper:Proposalforthenewdesignmet

3、hodconsideringactualconditionofrubberproducts,forexampleatire35℃Pressure(kPa)TimeTimeTemperature(℃)InternalAirTemperatureAirPressure100kPa12R22.5RadialTireConstructionBeadCoreTreadRubberSidewallRubberBeltLayerCarcassLayerBasicfunctionrequiredofatire1)Lo

4、ad-carryingcapacity2)Transmissionofdrivingandbreakingtorque3)Cushioningability4)Road-holdingabilityOtherrequirementAndalsoInformationcenterofavehicleRubberCordFRRBiaslaminateBiasplyCharacteristicsofTireΩσrubberεεσcordlargedeformation&largestrainincompressibilitym

5、aterialnonlinearitycompositestructureviscoelasitcityrollingcontactCharacteristicsofTireRubbermodelintirepartHeterogeneous异型structuremodelforcarbonblackfiledrubberQuasi-glassystate(Cphase)Liquidstate(Aphase)Crosslinkedrubbermolecules(Bphase)CarbonblackInteractionb

6、etweenCphasesReinforcemantofElastomers:(editedbyGerardKraus,IntersciencePublishers,N.Y.,1965)Section6:MicroscopyintheStudyofElastomerReinforcementbyPigmentFillers(byWilliamM.Hess)RubberintirepartbyMicroscopyHeterogeneousstructureforcarbonblackfiledrubberMechanica

7、lpropertiesofcord&rubberFromtheabovetableModulusofcord≫ModulusofrubberBreakingstrainofcord≪BreakingstrainofrubberIntroductionofSafety-FactorsforrubberproductsFRR(cord);rubberpart;Thedurabilityofrubberisevaluatedbyprincipalstrain（beltlayer,carcasslayer）Thedurabili

8、tyofFRRisevaluatedbystress(Marginofsafety)(Safety-Factor)Tireconditionunderoperation:Tireprofilegrowth&rubberagingduetoheatbuild-up2.Itisnecessarytotaketirepro