基于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，ShandongUniversityofTechnology，Zibo255049，

2、ChinaAbstract：Thehydraulicsystemincludinghigh-speedinjectionpansofinjectionmoldingmachinehasbeendeveloped．Thesimulationmodelforhigh-speedinjectionsystemwasobtainedbyu—singAMESimsoftware．Theinfluenceofkeyparametersisanalyzedinelectro-hydraulicservosystemintermsofdynamiccontroleffectofscrew

3、duringinjectionprocess．Boththecontrolstrat-egyandimplementationmethodofelectro—hydraulicposition-speedservosystemareintroduced．ThecontroIofdoublevariablesfortheinjectionpositionandspeedisrealizedinthesamesystemandtheoptimalsimulationresultshavebeenobtained．Keywords：high-speedinjectionmold

4、ingmachine，AMESimsoftware，hydraulicservosystemInjectionspeedoffullyhydraulicandhigh—speeddraulicsystemofhigh—-speedinjectionmoldingma‘_injectionmoldingmachinecanreachupto300mm／schinewhichwasdevelopedbasedonDS160．bythehigh—performancedrivensystem．Inordertobettermeetrequirementsofinectionmo

5、ldingprocess，highspeedinjectionwithhighprecisionisneededtocontrolthespeedandpositionoftheinjec—tionscrew『1—4I．Electro—hydraulicservosystemiswidelyusedintheiniectioncontrolsystemduetotheadvantagessuchasfastresponsespeedandhighcon—trolprecision．Inthispaper，ahigh—speedinjectionhydraulicservo

6、systemofinjectionmoldingmachineisobtainedbyusingtheAMESimsimulationmodelandthedynamiccharacteristicsoftheinjectioncon—trolprocessareanalyzedforthepositionservosystemandspeedservosystem．Atthesametime．acontrolstrategyandimplementationmethodsoftheelectro—hydraulicposition—speedservosystemare

7、proposed，andthefeasibilityandeffectivenessofthisservo1．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