沖壓模具并行工程實施理論、方法及關鍵技術(shù)研究.pdf

1、南京理工大學博士學位論文沖壓模具并行工程實施理論、方法及關鍵技術(shù)研究姓名：唐敦兵申請學位級別：博士專業(yè)：機械制造及其自動化指導教師：張世琪李東波2000.1.1南京理工大學博士學位論文ABSTRACTThemetalstampingindustryplaysanveryimportantroleinthemanufacturingfieldConcurrentEngineering(C勘isaconceptadoptedtoachiev

2、etheoptimalandeffectivedesignbyconsideringthelaterstagesofthedesignprocessMakingfulloseofmeritsofCE，thisdissertationseekstodevelopandvalidatetechnologiesthatenablethepracticeofConcurrentEngineering，asystematicapproachint

3、hestampingdiedevelopmentThestampingdiedesignanddevelopmentischaracterizedbyitsinteractingsub—problemsanditerativeredesignButthetraditionalsequentialstampingdiedevelopmentoRenresultsinlongdevelopmenttimeandinc：mpatibility

4、problemsAfterdiscussingthemethodologyofCE，theauthorconcludesthattheCEapplicationonstampingdiedesignisnecessaryandfeasibleAndanintegratedframework——AMOIisestablishedtobetheimplementationguidelineforconcurrentstampingdiede

5、signanddevelopmentAstotheintegratedandconcurrentstampingdiedesign，itrequiressharingaunifiedintegratedinformationmodeltointegrateandcoordinatevariouslifecycledesignactivitiesTherefore，aSTEPbasedproductinformationmodelings

6、ystemforconcurrentstampingdiedesignispresentedinthispaperAndanewoonoept——DPIIM(DieProductIntegratedInformationModel)isproposedtoprovidetheconcurrentdiedesignanddevelopmentauniforminformationmodelToestablishtheconcurrentd

7、iedesignprocessmodel，tingevisualizedrelations(coupled，decoupledanduncoupledrelations)betweendiedesignactivitiesarepresented，andthedirectedgraphandthecorrespondingincidencematrixareusedtorepresentthestampingdiedesignproce

8、ssMeanwhile，oneviewofinformationevolutioninconcurrentdiedesignisputforward，bywhichtheconvergencelawofcoupledactivitiesinconcurrentdiedesignprocessisdiscussedFromtheintegrationpointofview，itisdesirablethatinformationstore

9、dinstampedpartmodelcanbeusedforfurtherapplicationssuchasstampingprocessplanning，manufacturabilityevaluationThefeature—basedtechnologyisalleffectivewaytolinkdesignandmanufacturingSoauniquefeature—baseddesignsystemforstamp

10、edpartsisestablishedtosatisfytheneedsaboveToevaluatethemanufacturabilityofstampedpartssystematically，anewmethod——DFS(DesignforStamping)ispresentedAndancodingevaluationsystemusingproducedrulesisestablishedtoprovidequantit

11、ativemanufacturabilityfeedbacktostampedpartsdesignersatthefeaturebaseddesignstageMeanwhile，anotherfeaturetechnology——featuremappingisusedforthestampingprocessplanning，whichcantransformthedesignfeaturetothestampingprocess