six sigma optimization in sheet metal forming based on dual response surface model

《six sigma optimization in sheet metal forming based on dual response surface model》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、SIXSIGMAOPTIMIZATIONINSHEETMETALFORMINGBASEDONDUALRESPONSESURFACEMODELCHINESEJ0URNALOFMECHANICALENGINEERINGVo1.19,No.2,2006?25l?LIYuqiangCUIZhenshanZHANGDongjuanRUANXueyuCHENJunNationalDie&MoldCADEngineeringResearchCenter.ShanghaiJiaotongUniversity,Shanghai200030,China0

2、INTRoDUCTIoNSIXSlGMAOPTIM亿ATlONlNSHEETMETALFORMlNGBASED0NDUALRESPONSESURFACEMODEL水Abstract:Iterationsinoptimizationandnumerica1simulationforthesheetmeta1formingprocessmayleadtoextensivecomputation.Inaddition,uncertaintiesinmaterialsorprocessingparametersmayhavegreatinfluenc

3、eonthedesignquality.Asixsigmaoptimizationmethodisproposed,bycombiningthedua1responsesurfacemethod(DRSM)andsixsigmaphilosophy,tosavecomputationcostandimprovereliabilityandrobustnessofparts.Usingthismethod.statistica1technology,includingthedesignofexperimentandanalysisofvaria

4、nce,approximatemode1andsixsigmaphilosophyareintegratedtogethertoachieveimprovedquality.Twosheetmetalformingprocessesareprovidedasexamplestoillustratetheproposedmethod.Keywords:SixsigmaoptimizationSheetmetalformingDualresponseSill"faceManystudieshavebeencarriedoutforcomplica

5、tedengineeringdesignbycombiningcomputersimulationandoptimizationmethodstodecreasethedesigncycleandimproveparts'quality.SpecialstudiesfocusedontheoptimizatiOnOfthesheetmetalformingprocesshavealsobeenproposedinrecentyearsNAKAMIA.etal】.employedasweepingsimplexmethodandasimulat

6、edannealingmethodtolookfortheoptimumsheetformingconditions.AsequentialquadraticprogrammingmethodintegratedwithaninverseapproachwasproposedbvBARLETttooptimizetheblankshape.GAO,etalt,appliedageneticalgorithmtooptimizethegeometricparametersofdraw.beadinpanelforming.AndBR0WNE,e

7、tal】,conductedastudvbvdesignofexperiment(DOE1tooptimizethepunchloadandsidewallthicknessvariationforthecupdeep.drawingprocess.Nevertheless.uncertaintiesinmaterial,geometryandprocessingparametersmayhavesignificantimpactsontheparts'qualityandperformance.andevenleadtodesignfail

8、ure.Severalstudieshavefocusedontheeffectofvariation.JAISINGH.etalp】.conductedasens