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1、ACAD/CAE-integratedinjectionmolddesignsystemforplasticproductsAbstract Molddesignisaknowledge-intensiveprocess.Thispaperdescribesaknowledge-basedoriented,parametric,modularandfeature-basedintegratedcomputer-aideddesign/computer-aidedengineering(CAD/CAE)syst

2、emformolddesign.DevelopmentofCAxsystemsfornumericalsimulationofplasticinjectionmoldingandmolddesignhasopenednewpossibilitiesofproductanalysisduringthemolddesign.TheproposedsystemintegratesPro/ENGINEERsystemwiththespeciallydevelopedmoduleforthecalculationofi

3、njectionmoldingparameters,molddesign,andselectionofmoldelements.ThesysteminterfaceusesparametricandCAD/CAEfeature-baseddatabasetostreamlinetheprocessofdesign,editing,andreviewing.AlsopresentedaregeneralstructureandpartofoutputresultsfromtheproposedCAD/CAE-i

4、ntegratedinjectionmolddesignsystem.Keywords Molddesign.Numericalsimulation.CAD.CAE1IntroductionInjectionmoldingprocessisthemostcommonmoldingprocessformakingplasticparts.Generally,plasticinjectionmoldingdesignincludesplasticproductdesign,molddesign,andinject

5、ionmoldingprocessdesign,allofwhichcontributetothequalityofthemoldedproductaswellasproductionefficiency[1].Thisisprocessinvolvingmanydesignparametersthatneedtobeconsideredinaconcurrentmanner.Molddesignforplasticinjectionmoldingaidedbycomputershasbeenfocusedb

6、yanumberofauthorsworldwideforalongperiod.Variousauthorshavedevelopedprogramsystemswhichhelpengineerstodesignpart,mold,andselectionparametersofinjectionmolding.Duringthelastdecade,manyauthorshavedevelopedcomputer-aideddesign/computer-aidedengineering(CAD/CAE

7、)molddesignsystemsforplasticinjectionmolding.Jongetal.[2]developedacollaborativeintegrateddesignsystemforconcurrentmolddesignwithintheCADmoldbaseontheweb,usingPro/E.Lowetal.[3]developedanapplicationforstandardizationofinitialdesignofplasticinjectionmolds.Th

8、esystemenableschoiceandmanagementofmoldbaseofstandardmoldplates,butdoesnotprovidemoldandinjectionmoldingcalculations.Theauthorsproposedamethodologyofstandardizingthecavitylayoutdesignsystemforplasticin