沖壓加工中夾持系統(tǒng)建模和車身焊裝生產(chǎn)中尺寸質(zhì)量控制的研究.pdf

1、東南大學博士學位論文沖壓加工中夾持系統(tǒng)建模和車身焊裝生產(chǎn)中尺寸質(zhì)量控制的研究姓名：唐寅申請學位級別：博士專業(yè)：機械制造指導(dǎo)教師：鐘秉林易紅2000.12.1東南大學博士學位論文一———_——————————————————————————————————●—’——————————————_———————_——————一AbstractAutobodymanufacturingshareshalfofproductioninautomob

2、iieindustIyItisnotonlyconnectedwiththeoutlookingoftheAutobody，butalsoimpactontheinllerenlqualjt)，oflhec札Jndevelopjngnewmodel，lhequalit)，ofAutobodyis：thekeyaspectforsuccessTheprocessofAutobodymanufacturingincludesa10t，ofs

3、t印sModemAutobodyconsistsof250to300piecesofstaIllpingpartsThequalityofAutobodyhasMof01ders，oneist11esurface6nishinga11dtheotherisdimensionalprecision，andthelaterismoreimportallt，becausethedimensionchangeswillimpactnotonly

4、onthesurface，butalsoontheinteg訂tybehaviorofthecarForyearsthemanufacturersaIldsupplierstrytheiref如nsonAutobodymanufacturing，impmVingthestarnpingprecisionandassemblytechnoIogy，justfortheaimofimproVingAutobodyqualityThisthe

5、sisisfocusingonthequalityissuesofassemblyandstampingduringAutobodyma王【ingRefbrencedonthefo肌erresearches，themesissystematicallys蚰蚰ary—upanda11alyzethe2eneralappmachesandprincjplesforqualityinspectionforautobodymaking，thet

6、hesisalsogives也eproceduresofdimensionalvariationreductionforAutobodyassemb】yBasedonthesestudy，the山esisproposedanef兜ctivelymethodforanalyzingweldinggeometr。yerrorofautopansassembledonarigidjigs，bymeansoft11isapproach，thea

7、ssemblYerrorresulted丘omtoolingelementfailurecouldbefixedquickly，anditfoundrealapplicationinpmductionSincetherearea10tofaspectsconnectedwithst鋤pingsVstem，afteranalyzedtheinnuencedfactors，thethesisfocusedonthematerialhandl

8、ingsystemforstampinglinesItisthenrsttimeofthiskindofresearchinthefieldFirst，theauthordevelopedaFEMmodelforcalculatin2medefonnationofstalllpingblankduringhalldlin＆andthenanoptimalmemodwasappliedforoptimizingendef兜ctorloca

9、tiononblanksheet，ainterfacewasdesignedforthecormectionofFEAaIldoptimaImodule，sotheoDtimalcalculationcouldbedonewithouthumaninteⅣeneFinally’anexperimentwasconductedforvalidationofproposedmethodBycomp撕ngtheresultgot行omcalc

10、ulationaIldtestweknowtheinventedteclllliquescouldsatis母theoptimaldesignofend—ef兜ctor10cationforblaIlksheet，whichprovideatheoreticallywayforstampingdesignera11d伊e“1ycutthelaunchtimeforDroductionKeywords：Automobilebod弘Dime