車身輕量化設計及應用技術課件

車身輕量化設計及應用技術設計目標產品結構質量控制134目錄目錄頁開發(fā)技術2DesignObjectivesDevelopmentApproachConstructionQuality目錄CONTENTS奧迪R8凱迪拉克CT6捷豹XFLMASSreductionandrigiditypromote以輕盈重新定義堅固-48kg-21.6kg-16kg-14.4kg底板門側圍前/后蓋

MASSreductiontargets整車減重減重48kg，但承載更多設計需求

TriangulatingBracesforRigiditySpareTireProvisionsSteelClose-OutPanelsforQuietnessDoubleDashforQuietnessEvenmore,butlighter增加承載，并實現(xiàn)減重新設計方案及技術NewMethods&Technologies先進的連接技術AdvancedJoining混合的材料技術MixedMaterials廣泛的仿真模擬ExtensivesimulationsCardesignoverview整車開發(fā)概況通過優(yōu)化設計白車身減重100KG開發(fā)目標產品結構質量控制134目錄目錄頁開發(fā)技術2DesignObjectivesDevelopmentApproachConstructionQuality目錄CONTENTS車廂籠架SafetyCage鑄造件Castings(nodes)鋼鋁結合Steel&Aluminum(close-outs)拉伸件Extrusions(links)載荷Loads恰當?shù)募夹gRighttechnology合適的材料Rightmaterial準確的焊點Rightspot合理的連接RightjointBodystructure車身結構Bodystructure車身結構高性能跑車Laser,FFS&AdhesiveSPR&AdhesiveAlspotwelding,FDS,SPR,ClassALaser&Adhesive大量應用多元化優(yōu)化方案高級轎車全鋁車身Aluminiumversussteel鋼鋁混合材料STEEL鋼Aluminium鋁CAEduringdesigncycles仿真模擬LocaltopologyoptimizationCasingshapeoptimizationExpertinterpretationofdeformationmodesLocalreinfoptimizationCoarsetopologyoptimizationCAETools&Methods初步拓撲優(yōu)化局部拓撲優(yōu)化外形優(yōu)化局部加強優(yōu)化變形分析CT6BODYJOININGTECHNOLOGIESJoiningtechnologies連接技術開發(fā)目標產品結構質量控制134目錄目錄頁開發(fā)技術2DesignObjectivesDevelopmentApproachConstructionQuality目錄CONTENTSEfficiency效率Safety安全Quietness降噪Flexibility柔性Rigidity&efficiency鋼度&效率抗扭強度傳統(tǒng)高端車身

全鋁車身傳統(tǒng)高端車身全鋁車身車身結構效率Safety–cage籠架PHSAHSSHSSQuietness–aluminumclose-outcomparison鋼鋁對比鋁合金質量輕，但降噪效率低。為達到同樣降噪效果，相對于使用高強鋼需使用更重的鋁合金。Flexibility–plug-inhybridelectricvehicle可支持Plug-in大排量配置Plug-in配置3-piecestamped5-barHIDcastrearrailsSweptsinglehollow6-barextrusionHIDcastrearrailsw/sealingflange&grounding5-barw/sleevesTIGwelded/finishedflangeversusapertureringStraightdoublehollow6.5-barextrusionw/sleeves開發(fā)目標產品結構質量控制134目錄目錄頁開發(fā)技術2DesignObjectivesDevelopmentApproachConstructionQuality目錄CONTENTS鋁點焊及鋼點焊通過動態(tài)電阻實時監(jiān)控，在每個焊接過程結束后對焊核大小及過程穩(wěn)定性進行質量判斷及報警涂膠通過涂膠槍上的隨行視覺系統(tǒng)對涂膠過實時施監(jiān)控，拍照比對，發(fā)現(xiàn)不合格品及時報警通過對SPR槍的鉚接位移、速度進行實時監(jiān)控，發(fā)現(xiàn)超差及時報警SPRFDS通過對FDS槍的轉速、壓力、扭矩、位移進行實時監(jiān)控，發(fā)現(xiàn)不合格品及時報