浦项汽车板EVI.docx
《浦项汽车板EVI.docx》由会员分享,可在线阅读,更多相关《浦项汽车板EVI.docx(43页珍藏版)》请在三一办公上搜索。
1、 POSCOEVI ActivitiesAutomotive Steel Application Center Technical Research Laboratories POSCOPOSCO EVI Technical partnership with integrated solutionof steel and application technologyCustomer1Requirements of material and partsAuto. steel production. Optimum specification. Quality controlPOSCOOptimu
2、m material and application technologyASAC. Material development. Part proposal9 Database of automotive steel products9 Development of integrated Solution and proposal9 EVI support based on SE & CE EVI (Early Vendor Involvement) Win-Win Strategy for Customer and POSCO From Styling to Mass ProductionS
3、tylingProto DesignProd. DesignCarMakersProcessTest CarManufact./TestProtoBuild 1 TestProtoBuild 2 TestPilotDie Design/Manufacture/TryoutEVI ActivityStyling FixMaterials Data, Forming Simulation, Materials Selection, Cost InformationMajor FixTesting & Evaluation, Materials-Process OptimizationMinor F
4、ixDie Development SupportSOPMaterialsInformationDetailed Properties for Part Manufacture, Test Materials SupplyMaterials QualityMonitoring StylingOEMPOSCOActivities3Part designNozAvailable CADsystemCATIA V5UnigraphicsPro-engineerIGES format Part lists Part CAD dataMaterial Proposalz Material informa
5、tion Supply material information- Available material grades- Mechanical properties for crash, stiffness.- Welding conditions- Painting conditionsz Overview of feasibility Propose steel grade & thickness- Based on empirical guidelinesAcceptance ?Target weight & costTarget performance(Crash, Stiffness
6、, NVH)- One step solver- Material DB Propose new forming technologies- TWB, HF, HPFYesReport & ProposalzAvailable one-step solverIn house s/wAutoformFastform Propose part design changes(optional) On HF & HPF, posco supplyStyling fixthe final products Proto designOEMPOSCOActivitiesStyling fixYesDesig
7、n change ? Part lists Part CAD dataMaterial selectionzAvailable FE s/wPam-stampDynaformAbaqusz Detail of feasibility Forming simulations- Formability (crack, wrinkle)- Process & die design- Material change- Part modification Weldability- Spot, arc welding conditions Paintability- Electro deposition,
8、 phosphating adhesion, corrosion Design new forming technologies- TWB : Layout (Blank, welding line design), die surface design- HF : Part design for HF, costanalysis- HPF : Part design for HPF, cost analysisz Prototyping assist Sample supply Testing & evaluation Die development supportNoNoAcceptanc
9、e ?YesReport & ProposalMajor fix4 Proto buildOEMPOSCOActivitiesProto partsReportPart or assembly partPerformance evaluationz Performance Static/dynamic dentability Corrosion test Fatigue Stiffness Crashworthiness Performance evaluations were done by part or assembly partAppendix : Weight & Cost redu
10、ction AHSSz Model : Commercial vehiclez Proposed materialMaterialMild steelCHSP40ECHSP45EDP490DP590SPFH540TWBNo.54142412z Remark Weight reduction : 20% Cost reduction : 7%Part nameInitial designProposalRemarkMaterialThick nessMaterialThickne ssPANEL BODY SIDE INNER LH SLPR W/O WINDOWD513,SS:4010SPCC
11、1.0DP5900.8Weight reductionPANEL BODY SIDE INNER RH SLPR W/O WINDOWD513,SS:4010SPCC1.0DP5900.8Weight reductionPANEL DOOR OUTER LH RHDIFHS400CHSP40E0.7DP4900.7Enhanced dent resistance TWB (Tailor Welded Blank)z Reinf. Side outer1.6t1.6t2.2t1.6t1.4t1.4t2.2t1.4t1.2t Production : 300,000 car / 5 yearsCo
12、nventional (%)TWB (%)(+/-) %Panel costMaterial cost10076-24Tool cost10096-4Manufacturing cost100118+18Total cost10083-17Blank weight10078-22ConventionalTWB(+/-)Working expenseNo. Tools158-7 (ea)Press line saving-$ 7.5-$ 7.5Joining line saving-$ 1.1-$ 1.1z Door inner1.6t0.8t1.6t0.8t Production : 300,
13、000 car / 5 yearsConventional (%)TWB (%)(+/-) %Panel costMaterial cost10092-8Tool cost10074-26Manufacturing cost10086-14Total cost10088-12Blank weight10092-8ConventionalTWB(+/-)Working expenseNo. Tools84-4 (ea)Press line saving-$ 2.2-$ 2.2Joining line saving-$ 0.3-$ 0.3 HF (Hydroforming)z Engine cra
14、dleProcessSequenceBending Press Preforming HydroformingProcess DesignBend Die(R=120mm)CAE SimulationDie CostsPart CostsWeight 60% 20% 30%No of parts : 6 1Weight : 15 8 Kg9z Exhaust ManifoldNumber of individual partService Life Production cost Development time Weightconventional hydroforming producti
15、onseries production Schmitz&Brill, GermanyFatigue Analysis (Thermal Shock)10Hydroforming Part HPF (Hot Press Forming)z Bumper Impact Beam46147045314752345612471467460456Conventional designHPF designRemarkWeight (Kg)8.8625.543Weight reduction : 37.5%Penetration depth(mm)92.582.0Crash performance : +
16、11.4%11Main Activities in Automotive SteelApplication Center1.Material database2.Stamping3.Crashworthiness4.Welding5.Painting Material Data Base 1 Material DataSpecification / Microstructure / Production ProcessTensile Test( Standard,High Strain Rate) / CrashworthinessFriction / FLD /Hole Expansion
17、RatioSpot welding / Laser weldingLow Cycle Fatigue / High Cycle FatiguePre-treatment / Adhesion properties / Corrosion Support for Customers Experimentally evaluated material data are supplied Material data for simulations can be offered Feasible materials for each automotive part can be selectedAct
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 汽车 EVI
链接地址:https://www.31ppt.com/p-1766427.html