外文翻译--塑料制品的CAD- CAE集成的注塑模具设计系统【优秀】.doc

1外文翻译毕业设计题目：SD2106鼻毛修剪器上下盖造型及模具设计原文2：ACAD/CAE-integratedinjectionmolddesignsystemforplasticproducts译文2：塑料制品的CAD/CAE集成的注塑模具设计系统2ACAD/CAE-integratedinjectionmolddesignsystemforplasticproductsAbstractMolddesignisaknowledge-intensiveprocess.Thispaperdescribesaknowledge-basedoriented,parametric,modularandfeature-basedintegratedcomputer-aideddesign/computer-aidedengineering(CAD/CAE)systemformolddesign.DevelopmentofCAxsystemsfornumericalsimulationofplasticinjectionmoldingandmolddesignhasopenednewpossibilitiesofproductanalysisduringthemolddesign.TheproposedsystemintegratesPro/ENGINEERsystemwiththespeciallydevelopedmoduleforthecalculationofinjectionmoldingparameters,molddesign,andselectionofmoldelements.ThesysteminterfaceusesparametricandCAD/CAEfeature-baseddatabasetostreamlinetheprocessofdesign,editing,andreviewing.AlsopresentedaregeneralstructureandpartofoutputresultsfromtheproposedCAD/CAE-integratedinjectionmolddesignsystem.KeywordsMolddesign.Numericalsimulation.CAD.CAE1IntroductionInjectionmoldingprocessisthemostcommonmoldingprocessformakingplasticparts.Generally,plasticinjectionmoldingdesignincludesplasticproductdesign,molddesign,andinjectionmoldingprocessdesign,allofwhichcontributetothequalityofthemoldedproductaswellasproductionefficiency1.Thisisprocessinvolvingmanydesignparametersthatneedtobeconsideredinaconcurrentmanner.Molddesignforplasticinjectionmoldingaidedbycomputershasbeenfocusedbyanumberofauthorsworldwideforalongperiod.Variousauthorshavedevelopedprogramsystemswhichhelpengineerstodesignpart,mold,andselectionparametersofinjectionmolding.Duringthelastdecade,manyauthorshavedevelopedcomputer-aideddesign/computer-aidedengineering(CAD/CAE)molddesignsystemsforplasticinjectionmolding.Jongetal.2developedacollaborativeintegrateddesignsystemforconcurrentmolddesignwithintheCADmoldbaseontheweb,usingPro/E.Lowetal.3developedanapplicationforstandardizationofinitialdesignofplasticinjectionmolds.Thesystemenableschoiceandmanagementofmoldbaseofstandardmoldplates,butdoesnotprovidemoldandinjectionmoldingcalculations.Theauthorsproposedamethodologyofstandardizingthecavitylayoutdesignsystemforplasticinjectionmoldsuchthatonlystandardcavitylayoutsareused.Whenstandardlayoutsareused,theirlayoutconfigurationscanbeeasily3storedinadatabase.Linatal.4,5describeastructuraldesignsystemfor3Ddrawingmoldbasedonfunctionalfeaturesusingaminimumsetofinitialinformation.Inaddition,itisalsoapplicabletoassignthefunctionalfeaturesflexiblybeforeaccomplishingthedesignofasolidmodelforthemainpartsofadrawingmold.Thisdesignsystemincludesmodulesforselectionandcalculationofmoldcomponents.ItusesPro/EmodulesPro/ProgramandPro/Toolkit,andconsistsofmodulesformoldselection,modificationanddesign.Dengetal.6,7analyzeddevelopmentoftheCAD/CAEintegration.TheauthorsalsoanalyzedsystemsandproblemsofintegrationbetweenCADandCAEsystemsfornumericalsimulationofinjectionmoldingandmolddesign.AuthorsproposeafeatureontologyconsistingofanumberofCAD/CAEfeatures.Thisfeaturerepresentsnotonlythegeometricinformationofplasticpart,butalsothedesignintentisorientedtowardsanalysis.Partfeaturescontaintheoverallproductinformationofaplasticpart,wallfeatures,developmentfeatures(suchaschamfer,ribs,boss,hole,etc.),treatmentfeatureswhichcontainanalysis-relateddesigninformationandsubwalldevelopedfeatures.Wallanddevelopmentfeaturesaresocalled“componentfeatures”.Godecetal.8,9developedaCAEsystemformolddesignandinjectionmoldingparameterscalculations.Thesystemisbasedonmorphologymatrixanddecisiondiagrams.Thesystemisusedforthermal,rheologicalandmechanicalcalculation,andmaterialbasemanagement,4Fig.1GeneralstructureofintegratedinjectionmolddesignsystemforplasticproductsbutnointegrationwithcommercialCAxsoftw