浦项汽车板EVI文档.docx
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- 上传时间:2022-10-19
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浦项汽车板EVI文档.docx
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浦项汽车板EVI文档
POSCOEVIActivities
AutomotiveSteelApplicationCenterTechnicalResearchLaboratoriesPOSCO
‰Technicalpartnershipwithintegratedsolution
ofsteelandapplicationtechnology
Customer
Requirementsofmaterialandparts
Auto.steelproduction
.Optimumspecification
.Qualitycontrol
POSCO
Optimummaterialandapplicationtechnology
ASAC
.Materialdevelopment
.Partproposal
9Databaseofautomotivesteelproducts
9DevelopmentofintegratedSolutionandproposal
9EVIsupportbasedonSE&CE
‰EVI(EarlyVendorInvolvement)
•Win-WinStrategyforCustomerandPOSCO
•FromStylingtoMassProduction
StylingProtoDesignProd.Design
Car
Maker’s
Process
TestCar
Manufact./Test
Proto
Build1Test
Proto
Build2Test
Pilot
DieDesign/Manufacture/Tryout
EVIActivity
StylingFix
MaterialsData,FormingSimulation,MaterialsSelection,CostInformation
MajorFix
Testing&Evaluation,Materials-ProcessOptimization
MinorFix
DieDevelopmentSupport
SOP
Materials
Information
DetailedPropertiesforPartManufacture,TestMaterialsSupply
MaterialsQuality
Monitoring
ˆStyling
OEMPOSCOActivities
Partdesign
No
zAvailableCAD
system
•CATIAV5
•Unigraphics
•Pro-engineer
•IGESformat
•Partlists
•PartCADdata
MaterialProposal
zMaterialinformation
•Supplymaterialinformation
-Availablematerialgrades
-Mechanicalpropertiesforcrash,stiffness…..
-Weldingconditions
-Paintingconditions
zOverviewoffeasibility
•Proposesteelgrade&thickness
-Basedonempiricalguidelines
Acceptance?
•Targetweight&cost
•Targetperformance
(Crash,Stiffness,NVH)
-Onestepsolver
-MaterialDB
•Proposenewformingtechnologies
-TWB,HF,HPF
Yes
Report&Proposal
zAvailableone-stepsolver
•Inhouses/w
•Autoform
•Fastform
•Proposepartdesignchanges
(optional)
※OnHF&HPF,poscosupply
Stylingfix
thefinalproducts
OEM
POSCO
Activities
Stylingfix
Yes
Designchange?
•Partlists
•PartCADdata
Materialselection
zAvailableFEs/w
•Pam-stamp
•Dynaform
•Abaqus
zDetailoffeasibility
•Formingsimulations
-Formability(crack,wrinkle…)
-Process&diedesign
-Materialchange
-Partmodification
•Weldability
-Spot,arcweldingconditions
•Paintability
-Electrodeposition,phosphatingadhesion,corrosion
•Designnewformingtechnologies
-TWB:
Layout(Blank,weldinglinedesign),diesurfacedesign
-HF:
PartdesignforHF,cost
analysis
-HPF:
PartdesignforHPF,costanalysis
zPrototypingassist
•Samplesupply
•Testing&evaluation
•Diedevelopmentsupport
No
No
Acceptance?
YesReport&Proposal
Majorfix
OEM
POSCO
Activities
Protoparts
Report
Partorassemblypart
Performanceevaluation
zPerformance
•Static/dynamicdentability
•Corrosiontest
•Fatigue
•Stiffness
•Crashworthiness
※Performanceevaluationsweredonebypartorassemblypart
Appendix:
Weight&Costreduction
ˆAHSS
zModel:
Commercialvehicle
zProposedmaterial
Material
Mildsteel
CHSP40E
CHSP45E
DP490
DP590
SPFH540
TWB
No.
5
4
1
4
24
1
2
zRemark
−Weightreduction:
20%
−Costreduction:
7%
Partname
Initialdesign
Proposal
Remark
Material
Thickness
Material
Thickness
PANELBODYSIDEINNERLHSLPRW/OWINDOW
D513,SS:
4010
SPCC
1.0
DP590
0.8
Weightreduction
PANELBODYSIDEINNERRHSLPRW/OWINDOW
D513,SS:
4010
SPCC
1.0
DP590
0.8
Weightreduction
PANELDOOROUTERLHRHD
IFHS400
CHSP40E
0.7
DP490
0.7
Enhanceddentresistance
ˆTWB(TailorWeldedBlank)
zReinf.Sideouter
1.6t
1.6t
2.2t
1.6t
1.4t
1.4t2.2t
1.4t1.2t
※Production:
300,000car/5years
Conventional(%)
TWB(%)
(+/-)%
Panelcost
Materialcost
100
76
-24
Toolcost
100
96
-4
Manufacturingcost
100
118
+18
Totalcost
100
83
-17
Blankweight
100
78
-22
Conventional
TWB
(+/-)
Workingexpense
No.Tools
15
8
-7(ea)
Presslinesaving
-
-$7.5
-$7.5
Joininglinesaving
-
-$1.1
-$1.1
zDoorinner
1.6t0.8t1.6t0.8t
※Production:
300,000car/5years
Conventional(%)
TWB(%)
(+/-)%
Panelcost
Materialcost
100
92
-8
Toolcost
100
74
-26
Manufacturingcost
100
86
-14
Totalcost
100
88
-12
Blankweight
100
92
-8
Conventional
TWB
(+/-)
Workingexpense
No.Tools
8
4
-4(ea)
Presslinesaving
-
-$2.2
-$2.2
Joininglinesaving
-
-$0.3
-$0.3
ˆHF(Hydroforming)
zEnginecradle
Process
Sequence
BendingPressPreformingHydroforming
ProcessDesign
BendDie
(R=120mm)
CAESimulation
DieCostsPartCostsWei
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