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POSCOEVIActivitiesAutomotiveSteelApplicationCenterTechnicalResearchLaboratoriesPOSCOPOSCOEVI0‰TechnicalpartnershipwithintegratedsolutionofsteelandapplicationtechnologyCustomerRequirementsofmaterialandpartsAuto.steelproduction.Optimumspecification.QualitycontrolPOSCOOptimummaterialandapplicationtechnologyASAC.Materialdevelopment.Partproposal9Databaseofautomotivesteelproducts9DevelopmentofintegratedSolutionandproposal9EVIsupportbasedonSE&CEPOSCOEVI1‰EVI(EarlyVendorInvolvement)•Win-WinStrategyforCustomerandPOSCO•FromStylingtoMassProductionStylingProtoDesignProd.DesignCarMaker’sProcessTestCarManufact./TestProtoBuild1TestProtoBuild2TestPilotDieDesign/Manufacture/TryoutEVIActivityStylingFixMaterialsData,FormingSimulation,MaterialsSelection,CostInformationMajorFixTesting&Evaluation,Materials-ProcessOptimizationMinorFixDieDevelopmentSupportSOPMaterialsInformationDetailedPropertiesforPartManufacture,TestMaterialsSupplyMaterialsQualityMonitoring3ˆStylingOEMPOSCOActivitiesPartdesignNozAvailableCADsystem•CATIAV5•Unigraphics•Pro-engineer•IGESformat•Partlists•PartCADdataMaterialProposalzMaterialinformation•Supplymaterialinformation-Availablematerialgrades-Mechanicalpropertiesforcrash,stiffness…..-Weldingconditions-PaintingconditionszOverviewoffeasibility•Proposesteelgrade&thickness-BasedonempiricalguidelinesAcceptance?•Targetweight&cost•Targetperformance(Crash,Stiffness,NVH)-Onestepsolver-MaterialDB•Proposenewformingtechnologies-TWB,HF,HPFYesReport&ProposalzAvailableone-stepsolver•Inhouses/w•Autoform•Fastform•Proposepartdesignchanges(optional)※OnHF&HPF,poscosupplyStylingfixthefinalproductsˆProtodesign0OEMPOSCOActivitiesStylingfixYesDesign•Partlists•PartCADdataMaterialselectionzAvailableFEs/w•Pam-stamp•Dynaform•AbaquszDetailoffeasibility•Formingsimulations-Formability(crack,wrinkle…)-Process&diedesign-Materialchange-Partmodification•Weldability-Spot,arcweldingconditions•Paintability-Electrodeposition,phosphatingadhesion,corrosion•Designnewformingtechnologies-TWB:Layout(Blank,weldinglinedesign),diesurfacedesign-HF:PartdesignforHF,costanalysis-HPF:PartdesignforHPF,costanalysiszPrototypingassist•SamplesupplyNoNoAcceptance?YesReport&ProposˆProtobuild1OEMPOSCOActivitiesProtopartsReportPartorassemblypartPerformanceevaluationzPerformance•Static/dynamicdentability•Corrosiontest•Fatigue•Stiffness•Crashworthiness※PerformanceevaluationsweredonebypartorassemblypartMaterialMildsteelCHSP40ECHSP45EDP490DP590SPFH540TWBNo.541424122Appendix:Weight&CostreductionˆAHSSzModel:CommercialvehiclezProposedmaterialzRemark−Weightreduction:20%−Costreduction:7%PartnameInitialdesignProposalRemarkMaterialThickneMaterialThicknessPANELBODYSIDEINNERLHSLPRW/OWINDOWD513,SS:4010SPCC1.0DP5900.8WeightreductionPANELBODYSIDEINNERRHSLPRW/OWINDOWD513,SS:4010SPCC1.0DP5900.8WeightreductionPANELDOOROUTERLHRHDIFHS400CHSP40E0.7DP4900.7Enhanceddentresistance3ˆTWB(TailorWeldedBlank)zReinf.Sideouter1.6t1.6t2.2t1.6t1.4t1.4t2.2t1.4t1.2t※Production:300,000car/5yearsConventional(%)TWB(%)(+/-)%PanelcostMaterialcost10076-2Toolcost10096-4Manufacturingcost100118+18Totalcost10083-1Blankweight10078-2ConventionalTWB(+/-)WorkingexpenseNo.Tools158-7(ea)Presslinesaving--$7.5-$7.5Joininglinesaving--$1.1-$1.14zDoorinner1.6t0.8t1.6t0.8t※Production:300,000car/5yearsConventional(%)TWB(%)(+/-)%PanelcostMater...