汽车设计与维修人员培训课件汽车的自重

2.Makesuretheimageisbehindallobjectsonthepage.Text/colorbars/colorboxes/logos3.DELETETHESEINSTRUCTIONBOXWHENDONE2.Makesuretheimageisbehindallobjectsonthepage.Text/colorbars/colorboxes/logos3.DELETETHESEINSTRUCTIONBOXWHENDONE•October2012FinancialsAutomotiveVS•NovelisAutomiveEuropeMichaelHöhnkeTechnicalSeminarSGM-NovelisIntroduction概述1974:birthoftheVolkswagenGolf第一辆大众高尔夫诞生Carweight车身重量Historyofevolution演变过程Whatwastheweightofthiscar?Evolutionofweightincompact-carsclass…in40years同级车的车身重量演变过程40年…and25millionsGolflater25,000,000量高尔夫车……Whatwastheweightofthiscar?2008:VWGolfVI1.4Weight:1215kg20012:VWGolfVIIWeight:1130kgCarweight车身重量Historyofevolution演变过程VehicleemissionsInfluenceofweightonCO2emissionsRegulationforCO2emissionsInfluenceofweightonCO2emissionsAudiAG,DrLutz-EikeElend(N/EL-3),22ndInternationalAluminiumConference,TheAudiASF-Technology,11.Sept2007ThevalueofaluminiumWeightreductionCO2emissionreductionPerformanceimprovementFullrecyclabilityCrash-ManagementEnhancedFuelEconomyWeightsavingthroughtheuseofAluminiumAluminiumandsteelinstrengthcomparisonYSAluminium[MPa]YSSteel[MPa]ComparisonofAl&SteelBasicproperties0.0010.0020.0030.0040.0050.0060.0070.001.01.21.41.61.82.02.22.42.62.83.0%WeightReductionAluminiumUpgaugeFactorFWeightReductionasaFunctionofUpgaugeFactorChangandJustussonSAEPaper760023,1976Baseduponmildsteelandaluminiumwithanin-servicestrengthof207MPaComparisonofbasicmaterialproperties–Density:rAl=1/3rsteel•Reducedmass&lighterweightvehicles–Elasticmodulus:EAl=1/3Esteel•Greaterelasticdeflectioncomparedtosteel•Equivalentperformanceatanapproximateupgaugeof70%•Anup-gaugeof80%willgiveaweightsavingof40%–Aluminiumhasgenerallyareducedformabilitycomparedtosteel•Elongation•Flanging•FLDPerformancealuminiumPanel/mildsteelpanelThicknessratiotalu/tsteAluminiumsheetspenetrationinautomotiveHistoryandpathforwardBrighterideaswithaluminumThankyou!