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IchglaubeandieVorstellungskraft,ichglaubeandieInnovation.WirbrauchenLeute,dievonDingenträumen,dieesnochniegegebenhatJohnF.Kennedy(35.PräsidentderUSA)bethefirst.hydraulicversionHV0Hydraulikversion_HV0_D.ppt/Wahl/21.10.05HydraulicversionHV0hydraulicversionHV0HV0isaneconomicalhydraulicversion,withonlyonepressuretransducerfortheinjectionpressure,whichisalsousedforthedeterminationofthepumppressureandasclampingforcetransducerduringtheclampingforcebuild-up.HV0hydraulicshydraulicversionHV0Proportionalpressurevalve(K)PressurebalancePumpplantProportionalthrottlevalve(Y)SafetyvalveQ/PhydraulicshydraulicversionHV0AdjustablecontrolvalveProportionalthrottlevalveCartridgeProportionalpressurereliefvalveTotheconsumerControlpumpFlowcontrolvalveThroughputclosedloopcontrolhydraulicversionHV0ControlvalveStr.ringGuideshoePres.sideLeakageoilconnectionAdjustingpiston1CylinderstarSuctionsidePistonAdjustingpiston2Max.conveyingrateRadialpistonpumphydraulicversionHV0ControlvalveStrokeringGuideshoepres.sideLeakageoilconnectionAdjustingpiston1CylinderstarSuctionsidePistonAdjustingpiston2ZerothroughputRadialpistonpumphydraulicversionHV0Theclampingforcebuild-upismonitoredwiththeinjectionpressuretransducer.Duetothepositionoftheinjectionpressuretransducerthepressureactualvaluemeasuredduringtheclampingforcebuild-upisstillcorrectedinordertogetthepressureexistingindeedintheclampingforcecylinder.Onthescreenpage„Moldclosing“insteadoftheclampingforceonlyascreenflagfor„Clampingforcebuiltup“isdisplayedasthisvaluecanonlybemeasuredduringtheclampingforcebuild-up,inallotherstatesofthemachinethepressuretransducerdoesnotmakeastatementaboutthepressureintheclampingcylinder.ClampingunithydraulicversionHV0AtHV0hydraulicsduringinjectionalsothesolenoidS3a/S12a(differentialsolenoidclampingunit)becomesactive.Powerfactor:AttheHV0hydraulicsapowerfactorisusedinordertolimittheproductfrompumppressureandpumppowertothemaximummotorpower.Thisisnecessaryinordernottooverloadthemotor.Thepowerfactorisgiveninthehydraulicdatasheetasmm/s*barandisvalidfortheoperationwithincreasedinjectionpressureandalreadyincludesanallowedmotoroverload.Fortheoperationwithoutincreasedinjectionpressurethisvalueisconvertedinthecontrolunitautomatically.Whentheproductofspeedandpressureexceedsthepowerfactor,thespeedislimitedinsuchawaythatthetaken-offpumppowerdoesnotexceedthelimitdefinedbythepowerfactor.InjectionunithydraulicversionHV0HV0-SpecificparametershydraulicversionHV0Pump:Theusedhydraulicsisnotlinear,thereforepumpvolumeandpumppressuremustbecalibratedonthemachine.Asthepressureoutputofthehydraulicsisverystrongvolume-dependent,atfirstthevolumecalibrationmustbedetermined.CalibrationhydraulicversionHV0Theusedcalibrationalgorithmrunsoffautomaticallyandmustbestartedbytheoperatormanually.Heretheachievedinjectionspeedisdeterminedwithgivenvolumeoutput.Forthevolumecalibrationnospecialsettingsarerequired.VolumecalibrationhydraulicversionHV0Thepressurecalibrationmustbecarriedoutwiththatamountofoilwhichisalsousedatthepostinjectionpressurebecausethepressurevalveshowsadistinctvolumedependence.Theusedcalibrationalgorithmrunsoffautomaticallyandmustbestartedbytheoperatormanually.PressurecalibrationhydraulicversionHV0AdjustmentofP•connectManometeratinstrumentterminalM1•removetheplugoftheY-Valve(rearValve)•Startthemotorandadjustthepressureto16barAutomaticCalibration1.Volume2.Pressure3.RevolutionhydraulicversionHV0Duetothevolumedependencementionedbeforeofthepressurevalveaspecialcalibrationforthebackpressureisnecessary,whichisalsosetviathepressurevalve.Forthecalibrationthemachinemustbesoakedcompletely(oiltemperature40°Candshouldhaverunbeforeapprox.30minautomatically)Settings:Volumeoutputwithmanualbackpressurecalibration(typ.approx.80%)Thisparametercorrespondstothevolumeoutputduringplasticizing,theamountofoilwhichflowsoverthepressurevalveresultsfromthepushed-outamountofoilwhenpressingthescrewback.Volumeoutputwithautomaticbackpressurecalibration(typ.approx.10%)Theamountofoilsethereflowsdirectlyoverthebackpressurevalve(hereKvalve)andshouldcorrespondtotheamountofoilpushedoutduringtherealplasticizingwhenpressingthescrewback.Thebackpressurecalibrationcanoccurautomatically(withoutmaterial)ormanually(withmaterial).Beforedeliverythemachineiscalibratedautomatically.TheselectionwhetheritiscalibratedautomaticallyormanuallyoccursonthePVcalibrationpageatthestartofthebackpressurecalibration.Whentheachievedbackpressuredeviatestoofarfromthesettings,thebackpressurecanbecalibratedmanually.BackpressurecalibrationhydraulicversionHV0Withstartofthecalibrationviathecalibrationpagethefollowingsequenceoccursautomatically:1.Screwforward2.Standstillrecognition3.Solenoidoutput:•S3a/S12aDifferentialsolenoidclampingunit=1•S3Plasticizing=0•S24Decompression=0•S4Injectionsolenoid=04.Volumeoutput:InjectionUnit1.sv_rInjPVCalBackPVAuto5.Voltagesettingonthepressurevalve6.Waitingformeasuringtime(system.sv_dCalMeasTimeP,typ.1s)7.Takeoverofpressureactualvalueincalibrationcurve8.Determinenewmeasuringpoint(see4.)Stopofthemeasurementwithreachingthecalibrat