浅析amesim的高速注塑机液压伺服系统的仿真研究

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1、机床与液压Dec．2013HydromechatronicsEngineeringV01_41No．24DOI：10．3969／j．issn．1001—3881．2013．24．016SimulationofHydraulicServoSystemforHigh·SpeedInjectionMoldingMachinebyAMESimXIAOWang，LIUJunying，LIUXinzhao，HUXin，TANGJingdongSchoolofMechanicalEngineering，Shandon

2、gUniversityofTechnology，Zibo255049，ChinaAbstract：Thehydraulicsystemincludinghigh-speedinjectionpansofinjectionmoldingmachinehasbeendeveloped．Thesimulationmodelforhigh-speedinjectionsystemwasobtainedbyu—singAMESimsoftware．Theinfluenceofkeyparametersisanal

3、yzedinelectro-hydraulicservosystemintermsofdynamiccontroleffectofscrewduringinjectionprocess．Boththecontrolstrat-egyandimplementationmethodofelectro—hydraulicposition-speedservosystemareintroduced．ThecontroIofdoublevariablesfortheinjectionpositionandspee

4、disrealizedinthesamesystemandtheoptimalsimulationresultshavebeenobtained．Keywords：high-speedinjectionmoldingmachine，AMESimsoftware，hydraulicservosystemInjectionspeedoffullyhydraulicandhigh—speeddraulicsystemofhigh—-speedinjectionmoldingma‘_injectionmoldi

5、ngmachinecanreachupto300mm／schinewhichwasdevelopedbasedonDS160．bythehigh—performancedrivensystem．Inordertobettermeetrequirementsofinectionmoldingprocess，highspeedinjectionwithhighprecisionisneededtocontrolthespeedandpositionoftheinjec—tionscrew『1—4I．Elec

6、tro—hydraulicservosystemiswidelyusedintheiniectioncontrolsystemduetotheadvantagessuchasfastresponsespeedandhighcon—trolprecision．Inthispaper，ahigh—speedinjectionhydraulicservosystemofinjectionmoldingmachineisobtainedbyusingtheAMESimsimulationmodelandthed

7、ynamiccharacteristicsoftheinjectioncon—trolprocessareanalyzedforthepositionservosystemandspeedservosystem．Atthesametime．acontrolstrategyandimplementationmethodsoftheelectro—hydraulicposition—speedservosystemareproposed，andthefeasibilityandeffectivenessof

8、thisservo1．tank，2．motor，3．doublevanepump，4．relief，5，6．solenoiddirectionalvalve，7．checkvalve，8．check—throttlingvalve，9．schemeforhigh—speedinjectionsystemcontrolarepressurerelay，10．relief，11．proportionalreliefvalve，12．accu—v