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KIRCHHOFFAutomotive_Schmitt_Vortrag_091103.pdf

KIRCHHOFFAutomotive_Schmitt_Vor…

阿哥鲍睡不醒
2012-07-25 0人阅读 0 0 0 暂无简介 举报

简介:本文档为《KIRCHHOFFAutomotive_Schmitt_Vortrag_091103pdf》,可适用于工程科技领域

KIRCHHOFFGRUPPEMariaSchmittOptimizationoftypicalKirchhoffAutomotivepartswithOptistructEuropeanHyperworksTechnologyConferenceLudwigsburg,MariaSchmittAbrigedformoftheETHCpresentation!KIRCHHOFFGRUPPEMariaSchmittAgendaOverviewofKirchhoffAutomotiveOptimizationofanenginecradle–studyoflightweightdesignswithtailoredrolledtubesandblanksConclusionKIRCHHOFFGRUPPEMariaSchmittOverviewofKirchhoffAutomotiveLocationsQueretaroPueblaWindsorLetterkennyLondonOvarCucujaesFigueruelasWolfsburgYmeraySaarlouisIserlohnAttendornOlpeBietigheimBadenMünchenMielecIIIGliwiceIIIEsztergomSeoulSuzhouCHINASKORPOLANDHUNGARYGERMANYGREATBRITAINIRELANDFRANCESPAINPORTUGALMEXICOCANADA•productionplantsincountries•morethanemployeesworldwideKIRCHHOFFGRUPPEMariaSchmittOverviewofKirchhoffAutomotiveOurcustomersGeneralMotorsDaimlerFordSuzukiVWGroupBMWGroupFaureciaPlastalRenaultNissanDAFKautexTextronMagnaKion(Linde)ZFLearVolvoKIRCHHOFFGRUPPEMariaSchmittOverviewofKirchhoffAutomotiveProductportfoliopassengercarsbumpersystemsenginecradlesfrontendscrosscarbeamsKIRCHHOFFGRUPPEMariaSchmittAgendaOverviewofKirchhoffAutomotiveOptimizationofanenginecradle–studyoflightweightdesignswithtailoredrolledtubesandblanksConclusionKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleEnginecradlewithattachedpartsControlarmStabilizerbarEnginemountsSteeringgearSteeringattachmentpointAttachmentbracketsforradiatorAttachmentpointsforMacPhersonstrutunitKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleBaseversionAdditionalinlaysHalfshelldesignCurrentdesignforGMDELTAplatformenginecradle:KIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleTargetsCurrentdesign:Partwasdevelopedforthehighestrequirementsregardingenginepower,weightdesignofthecar(highrooforlowroof)Taskfornewdesign:FindalighterandcheaperversionforofthevehiclevolumebyreducingtherequirementsVersion:BasedesignwithreducedsheetthicknessVersion:TailorrolleddesignsKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleAlternativeversionsVersion:tailoredrolledtubes(TRT)Version:tailoredrolledblanks(TRB)KIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleStiffnessloadstepsDOFDOFDOFDOFHandlingBushingBracketStabilizerbarbracketFronttorquereactionmountStabilizerbarbracketHandlingBushingBracketCriticalstiffnessloadstepsusedforoptimizationKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleOptimizationsetupResponses:ƒdisplacementsƒmassObjective:minmassForTRTandTRBadditionally:Equationsbecauseofmanufacturingconstraintsforsheetthicknessvariation(informationfromTRmanufacturerMubea:mmÆmm)Constraints:ƒupperboundofdisplacementsforcriticalstiffnessloadstepsmmKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleEquationsforTRversionsKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleResultsÆAllversionsreachstiffnesstargetsafteroptimizationÆTRTversionhasthebeststiffnessvaluesVersionBaseDesignTargetVersionOptimizeddesignTargetsreducedVersionTRTOptimizedDesignTargetsreducedVersionOptimizeddesignwithoutreinforcementsTargetsreducedASSY(kg)=ASSY(kg)=ASSY(kg)=ASSY(kg)=KNmmKNmmKNmmKNmmKNmmKNmmFYYFZZFYYFZZFZStabilizerBarBracket(RH)ZFZStabilizerBarBracket(LH)ZFZFrontTorqueReactionMountZHandlingBushingBracket(RH)HandlingBushingBracket(LH)TargetsreducedLcaseNoLcaseDefnDirTargetKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleMassoverviewMassAssymasskgVersion:basedesignVersion:optdesignVersion:TRToptdesignVersion:TRBoptdesignkgkgkgkgKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleMassDistributionVvsVVVersion:(TRTversion)Version:(basedesignTRBversion)PPPPPWeldPPWeldPPWeldAssyPartMass(kg)MassRed()AssyPartMass(kg)MassRed()AssyPartMass(kg)MassRed()AssyPartMass(kg)MassRed()ASSYASSYASSYASSYPPWeldPPWeldPPPWeldPPWeldPPWeldPPPWeldPPWeldPPWeldPPPWeldVersionTRBVersionBaseDesignVersionSizeoptimizedVersionTRTKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleElementThicknessBaseDesignElementthicknessofoptimizedpartsafteroptimizationKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradle–Version:ElementThicknessOptimizedDesignChangeofthicknessoverlengthofoptimizedpartsKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleVersion:ElementThicknessPsheetthickness(mm)VPTRTVPConstChangeofthicknessoverlengthatsiderailincomparisontoconstantsheetthickness:BasedesignTRTdesignKIRCHHOFFGRUPPEMariaSchmittOptimizationofanenginecradleSummaryƒVersion:ƒVersion:ƒVersion:HeavierthanversionbecauseofoverlappingshellsandweldseamHighmanufacturingcosts(TRB)Highestmanufacturingcosts(TRT,Hydroforming)AboutmassreductionwithtailoredrolledtubesNoadditionalinlaysOptimizedstrengthstiffnessAboutmassreductionwithtailoredrolledblanksNoadditionalinlaysOptimizedstrengthstiffnessLowmanufacturingcostsLowmassreductionAdditionalinlaysKIRCHHOFFGRUPPEMariaSchmitt•Version(TRT)hasthehighestpotentialformassreductionbuthighmanufacturingcostsandtheneedfornewtools•Frommassreductionontailoredsolutionsareprofitable•LessthanmassreductionfortheenginecradlebecauseofcomplexloadstepcombinationsÆNochangeforseriesproductionpartOptimizationofanenginecradleConclusionKIRCHHOFFGRUPPEMariaSchmittAgendaOverviewofKirchhoffAutomotiveOptimizationofanenginecradle–studyoflightweightdesignswithtailoredrolledtubesandblanksConclusionKIRCHHOFFGRUPPEMariaSchmittConclusionƒTargetisalwaystooptimizeperformanceandtoreducemass,timeandcostsatthesametimeƒExamplesshowthatKirchhoffAutomotiveusesalloptimizationdisciplinestofindthebestsolutionsinashorttime(egsteelorsteelplasticsversion,bestbeaddesign,optimizedtopology,…)ƒSizeoptimizationismainlyusedinthe„finetuningphase“KIRCHHOFFGRUPPEMariaSchmittThankyouforyourattentionOptimizationoftypicalKirchhoffAutomotivepartswithOptistructFoliennummerFoliennummerFoliennummer�OverviewofKirchhoffAutomotiveProductportfoliopassengercarsFoliennummer�Optimizationofanenginecradle�OptimizationofanenginecradleBaseversion�OptimizationofanenginecradleTargets�OptimizationofanenginecradleAlternativeversions�OptimizationofanenginecradleStiffnessloadsteps�OptimizationofanenginecradleOptimizationsetup�OptimizationofanenginecradleEquationsforTRversions�OptimizationofanenginecradleResults�OptimizationofanenginecradleMassoverview��OptimizationofanenginecradleMassDistributionVvsVV�OptimizationofanenginecradleElementThicknessBaseDesign�Optimizationofanenginecradle–�Version:ElementThicknessOptimizedDesign��OptimizationofanenginecradleVersion:ElementThicknessP�OptimizationofanenginecradleSummaryFoliennummerFoliennummer�ConclusionThankyouforyourattention

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