18)大陆轮胎Durability_and_Wear

Commercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide1proprietaryandconfidentialTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearClick to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide2proprietaryandconfidentialTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearTrainerDr. Volkmar FriesEngineerMaterials ScienceHeadof ExpertFieldEnduranceTruck TiresCommercial TireTechnologyBld. 6C / R164, phone31503Dr. Viktor BlümelMathematicianHeadof ExpertFields EndurancePC/Van/LT Tires& ProductLiabilityPlatformDevelopment& IndustrializationBld. 6C / R303, phone3516Dr. Wilfried CarlChemistHeadof ExpertFieldTruck TireWear& LayoutCommercial TireTechnologyBld. 6C / R164, phone4757Click to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide3proprietaryandconfidentialContentsIntroductionScientific basicsTirephenomenaExcerciseTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearClick to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide4proprietaryandconfidentialCustomerRequirementsTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearSafetynLoadcapability(endurance)nGrip(dry, wet, snow, ice)nHydroplanningEconomynTirecostsnMileage(wear)nRetreadability(endurance)nRolling resistanceComfortnNoisenVibrationnHarshnessHandlingOthernAppearancenetc.Click to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide5proprietaryandconfidentialCustomerRequirementsPC TiresTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearSafetynLoadcapability(endurance)nGrip(dry, wet, snow, ice)nHydroplanningEconomynTirecostsnMileage(wear)nRetreadability(endurance)nRolling resistanceComfortnNoisenVibrationnHarshnessHandlingOthernAppearancenetc.OEOE‘‘ssEndEnduseruserc­gcgggcccgcgc­gc­gccClick to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide6proprietaryandconfidentialCustomerRequirementsVan & Truck TiresTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearSafetynLoadcapability(endurance)nGrip(dry, wet, snow, ice)nHydroplanningEconomynTirecostsnMileage(wear)nRetreadability(endurance)nRolling resistanceComfortnNoisenVibrationnHarshnessHandlingOthernAppearancenetc.EndEnduserusercg(c)cgggcClick to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide7proprietaryandconfidentialCustomerRequirementsTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearPC TiresnWiderangeof customerrelevant tireproperties.nLargestpartof developmentactivitiesforhandling.nNeverthelessloadcapability(endurance) isfundamental and mayneverbeneglected.Truck TiresnSmallerrangeof customerrelevant tireproperties.nMain interestof end customerisefficiency(Wirtschaftlichkeit).nTirebreakdownleadsto delayeddelivery and causesadditional costs.Click to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide8proprietaryandconfidentialTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearnEnd of wear life: Tread is worn down.End of fatigue life: Cracks growintomacroscopicdimensions.nIfFM  WM⇒customer dissatisfactionGoalFM  WM⇒fatigue is no issuenBothdepend on the tire service con­ditionsand are not independent, e.g.severe service conditions will oftenshorten wear life and fatigue life aswell.In addition, tire wear may influence conditions for fatigue.nIf the wear life is prolonged, the fatigue life expectancy has to beexpanded correspondingly.MileageShareoftires100%End ofEnd ofwear lifewear life(WM)(WM)End ofEnd offatiguefatiguelife (FM)life (FM)WearLife and FatigueLifeClick to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide9proprietaryandconfidentialTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearEnduranceEnduranceClick to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide10proprietaryandconfidentialTechnicalTechnicalTrainingTrainingEnduranceEnduranceandandWearWearTireTireEnduranceEnduranceClick to buy NOW!PDF­XCHANGEwww.docu­track.comClick to buy NOW!PDF­XCHANGEwww.docu­track.comCommercial  TireTechnologyExpertFieldEnduranceTruck TiresDr. Volkmar Friesslide11proprie