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1、InjectionMoldingCAETechnology0IntroductionPlasticproductsfromproductdesigntoproduction,includingmoldingplasticproductsdesign,molddesign,moldmanufacturingandinjectionmoldingprocessparametersandseveralothermainareas.Thetraditionalinjectionmolddesignmainlyrelyonthedesigner'sexperi
2、ence,whiletheinjectionmoldingprocessisverycomplex,plasticmeltflowpropertiesofdifferentandever-changingproductsanddiestructure,processconditionsvary,formingvariousdefects,molddesignoftenrequirerepeatedtrial-mode,maintenancemodecanbeputintoproduction,withlittleofasuccessful,ident
3、ifyproblems,notonlytore-adjusttheprocessparameters,oreventomodifytheplasticproductsandmolds,notonlytime-consumingandlaborious,butalsoreducesproductdevelopmenttime.TheuseofinjectionmoldingCAEtechnologyinmoldmanufacturingpriortosimulateinjectionmoldingprocess(includingfilling,pac
4、kingandcooling)andtheearlydetectionofproblems,optimizemolddesignandprocessconditionssettoreducethenumberoftestmodeinordertoimproveproductionefficiency,hasbecomeainjectionmoldingtechnologyisanimportantdirectionofdevelopment.1ThehistoryofInjectionMoldingCAEtechnologyInjectionMold
5、ingCAEtechnologyisbasedonplasticsprocessingrheologyandheattransferofthebasictheory,themeltinthemoldcavityintheflow,heattransferphysics,mathematicalmodel,usingnumericalsolutionmethodofconstructingthetheory,theuseofcomputervisualizationtechnologyimage,visuallysimulatethedynamicso
6、ftheactualshapeofthemeltfillingandcoolingprocess,ananalysistechniques.The20thcentury,60years,theUnitedKingdom,theUnitedStatesandCanadaandothercountriesofthescholars,suchasJRPearson(UnitedKingdom),JFStevenson(America),MRKamal(Canada)andKKWang(America),etc.tocarryoutaseriesofplas
7、ticmeltinthemold-typecavityflowandcoolingofbasicresearch.Atareasonablesimplification,basedon60yearscompletedaone-dimensionalflowandcoolinganalysisprograms,70yearstocompletethetwo-dimensionalcoolinganalysisprograms,and80yearsfromtheinjectionmoldingCAEtechnologyhasbeguntotheoreti
8、calresearchintothepracticalphase,launchedathree-dimens
