Moldflow冷却分析结果解释.ppt

CoolingResultInterpretation,Introductionto,KeyandSecondaryResults,Keyresultsarethemostimportantresultstoreviewwhendoingacoolinganalysisinmostcases.Secondaryresultsareusedtosupportthefindingsofthekeyresultsortohelpunderstandaproblembetter.Manytimes,secondaryresultsarenotreviewed.,KeyResults,SeveralresultsarekeyresultstopayattentiontoMoldSurfaceTemperature(Plastic/MetalInterface)Temperature(top),partTemperature(bottom),part(midplaneonly)Definition,CycleaveragedtemperatureTemperatureDifference,partShowsthedifferenceintemperaturebetweenthetopandbottomtemperatures(midplaneonly),Temperature(Top),Part,PartsrotatedsotheinsideandbottomcanbeseenonFusionModels,Temperature(Top),Part,Layersusedtodefineinside,bottomplusothers.Resultsarescaledautomaticallytovisiblelayersonly.,TemperatureDifference,Part,MidplaneresultsonlyDefinedbyTopminusBottomtemperature(referstomeshorientation),KeyResults,TemperatureProfile,partShowstemperatureprofilethroughtheplasticattheendofthecontacttimeUsedtoshowthetemperaturedifferencebetweencavityandcoreonfusionmodelsScreenOutputfileSummarizestheinputsandoutputsfromtheanalysisGivesanoverallideaofthequalityoftheanalysis,TemperatureProfile,UsefulforFusionmodelstolookatthedifferenceacrossthethicknessliketemperaturedifferencedoesformidplanemodels.Note:Edgeelementswithoutmatchedelementwillnothavetemperatureprofileresults.,InaFusionmodelanormalizedthicknessof1istheelementpicked,and1isthematchedelement,ResultsSummary,PortionofResultsSummaryfile.Providesusefulsummaryofanalysisincludinganywarningsorerrors,SecondaryResults:Circuit,SecondaryResults:Circuit,CircuitPressurePressuredropofthecoolantinthecircuitCircuitCoolantTemperatureShowstemperaturerise/fallofcoolantincircuitShouldbelessthan3C.CircuitMetalTemperatureWatermetalinterfacetemperatureShouldbewithin5C.ofthewatertemperatureHighertemperatureswouldindicatenotenoughflowratetoextractheatfromthetoolefficiently,SecondaryResults:Circuit,CircuitFlowRateFlowrateofthecoolantinacircuitUsefulifReynoldsnumberwassetastheinputAparallelcircuitwasusedCircuitReynoldsnumberShowstheamountofturbulenceofthecoolantWaterturbulentataReynoldsnumberofabout4,000TargetReynoldsnumber10,000,SecondaryResults:Circuit,FlowRateandReynoldsNumberresults,SecondaryResults:PlasticPart,TimetoFreeze,partEstimatedtimefortheelementtofreezebasedonthemoldsurfacetemperaturesMaximumTemperature,partMaximumtemperatureinthepartcrosssectionattheendofthecontacttimeMaximumTemperaturePosition,partLocationinthecrosssectionofthemaximumtemperature,SecondaryResults:PlasticPart,AverageTemperature,partAveragetemperatureinthepartcrosssectionattheendofthecontacttimeRunnerResultsRunnershaveallthesameresultsasthepart,SecondaryResults:PlasticPart,FreezeTime,Temperature,andPositionresults,SecondaryResults:Insert,InsertandpartingplanetemperaturesTopBottomDifferenceMoldboundaryExternalboundarytemperature,SecondaryResults:Insert,ToptemperatureThemoldsideofthemold/insertinterface,andtheinsertsideoftheinsert/plasticinterface.BottomtemperatureTheinsertsideofthemold/insertinterface.TemperaturedifferenceTheresistanceofheattransferacrossthemold/insertinterface.Thelowerthenumber,thebetter.,SecondaryResults:Insert,Topandbottomtemperatures,temp.difference,SecondaryResults:PartingPlane&Mold,Exercise,