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2ACAD/CAEintegratedinjectionmolddesignsystemforplasticproducts译文2塑料制品的CAD/CAE集成的注塑模具设计系统2ACAD/CAEintegratedinjectionmolddesignsystemforplasticproductsAbstractMolddesignisaknowledgeintensiveprocess.Thispaperdescribesaknowledgebasedoriented,parametric,modularandfeaturebasedintegratedcomputeraideddesign/computeraidedengineeringCAD/CAEsystemformolddesign.DevelopmentofCAxsystemsfornumericalsimulationofplasticinjectionmoldingandmolddesignhasopenednewpossibilitiesofproductanalysisduringthemolddesign.TheproposedsystemintegratesPro/ENGINEERsystemwiththespeciallydevelopedmoduleforthecalculationofinjectionmoldingparameters,molddesign,andselectionofmoldelements.ThesysteminterfaceusesparametricandCAD/CAEfeaturebaseddatabasetostreamlinetheprocessofdesign,editing,andreviewing.AlsopresentedaregeneralstructureandpartofoutputresultsfromtheproposedCAD/CAEintegratedinjectionmolddesignsystem.KeywordsMolddesign.Numericalsimulation.CAD.CAE1IntroductionInjectionmoldingprocessisthemostcommonmoldingprocessformakingplasticparts.Generally,plasticinjectionmoldingdesignincludesplasticproductdesign,molddesign,andinjectionmoldingprocessdesign,allofwhichcontributetothequalityofthemoldedproductaswellasproductionefficiency1.Thisisprocessinvolvingmanydesignparametersthatneedtobeconsideredinaconcurrentmanner.Molddesignforplasticinjectionmoldingaidedbycomputershasbeenfocusedbyanumberofauthorsworldwideforalongperiod.Variousauthorshavedevelopedprogramsystemswhichhelpengineerstodesignpart,mold,andselectionparametersofinjectionmolding.Duringthelastdecade,manyauthorshavedevelopedcomputeraideddesign/computeraidedengineeringCAD/CAEmolddesignsystemsforplasticinjectionmolding.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,developmentfeaturessuchaschamfer,ribs,boss,hole,etc.,treatmentfeatureswhichcontainanalysisrelateddesigninformationandsubwalldevelopedfeatures.Wallanddevelopmentfeaturesaresocalledcomponentfeatures.Godecetal.8,9developedaCAEsystemformolddesignandinjectionmoldingparameterscalculations.Thesystemisbasedonmorphologymatrixanddecisiondiagrams.Thesystemisusedforthermal,rheologicalandmechanicalcalculation,andmaterialbasemanagement,4Fig.1GeneralstructureofintegratedinjectionmolddesignsystemforplasticproductsbutnointegrationwithcommercialCAxsoftwareisprovided.Huangetal.10developedamoldbasedesignsystemforinjectionmolding.Thedatabasetheyusedwasparametricandfeaturebasedoriented.ThesystemusedPro/Eformodelingdatabasecomponents.Kongetal.11