外文翻译注射成型机液压系统.docx

外文翻译注射成型机液压系统.docx

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外文翻译注射成型机液压系统

外文翻译--注射成型机液压系统

Injectionmoldingmachinehydraulicsystem

Injectionmoldingmachine

InjectionmoldingmachineTheinjectionmoldingmachineisakindofplasticmachineryreferredtoastheinjectionmoldingmachineorinjectionmoldingmachinethermoplasticorthermosettingmaterialtheuseofplasticmoldintovariousshapesofplasticsmoldingequipment.Injectionmoldingbytheinjectionmoldingmachineandmold.Theplasticcastsshaperisonekindofheatinguptheplastictheplasticizing,poursintowiththeaidoftheadvancementorganizationthemeltingplasticinthemoldcavity,aftercooling,thestereotypiaformstheproducttheplastictotakeshapetheprocessingequipment.Itcandisposethedifferentmold,buttimetakesshapethecontourcomplexproduct,isintheplasticmachineryoneofmainaircrafttypes.Theplasticinjectiontakesshapealreadyhasverymanyforms.Thehydraulicpressuretypeplasticinjectionshaperisoneofthem,itmainlyhasgathersthemoldorganization,injectsthepart,thehydraulictransmissionandtheplasticcastsshaperisonekindofheatinguptheplastictheplasticizing,poursintowiththeaidoftheadvancementorganizationthemeltingplasticinthemoldcavity,aftercooling,thestereotypiaformstheproducttheplastictotakeshapetheprocessingequipment.Itcandisposethedifferentmold,buttimetakesshapethecontourcomplexproduct,isintheplasticmachineryoneofmainaircrafttypes.Theplasticinjectiontakesshapealreadyhasverymanyforms.Thehydraulicpressuretypeplasticinjectionshaperisoneofthem,itmainlyhasgathersthemoldorganization,injectsthepart,thehydraulictransmissionandtheelectricitycontrolsystemandsoonseveralpartsofcompositions,butthehydraulicpump,thehydrauliccylinder,eachkindofhydraulicvalve,theelectricalmachinery,theelectricalpartaswellasthecontrolmeasuringapplianceareindispensablecontrolpart.

Threemajorcomponentsof

（1）clampingcomponents.ItisamoldedmemberinstallationDie.Mainlybyfixedtemplates,dynamictemplatesclampingmechanism,clampinghydrauliccylinder,ejectordevice.

（2）injectionmember.Itisaplasticsinjectionmoldingmachinemember.Mainlybythefeedingdeviceandbarrel,screw,nozzle,topplasticdevice,theinjectionofhydrauliccylinders,injectionseatanditsmobilehydrauliccylindersandothercomponents.

（3）hydraulictransmissionandelectricalcontrolsystemsinstalledinthefuselageontheinsideandoutsidethechamber,isthedrivingforceoftheinjectionmoldingmachineandmanipulatingthecontrolunit.Mainlycomposedofhydraulicpumps,hydraulicvalves,motors,electricalcomponents,andcontrolinstruments.

SZ-250Atypeplasticinjectionmoldingmachinearesmallinjection

moldingmachine.Eachmaximuminjectioncapacityof250g.Basisforthe

plasticinjectionmoldingprocess,injectionmoldingmachinehydraulic

drivesystemshouldmeetthefollowingrequirements:

（1）themoldclampinghydrauliccylinderhavingasufficientlylarge

clampingforce,anditsoperatingspeedcanbebasedontherequirements

ofthetheclampingandKaimoldprocessvaries.

Intheinjectionprocess,themoltenplasticisofteninjectedintothecavitytoahighvoltageof4~15MPa.Thus,therequirementsofthemoldclampingmechanismhavingasufficientlylargeclampingforce,andtoensurethatthemovableplatenandthestationaryplatencloselybonded.Otherwise,themoldawayfromtheseamwillproducethetheoverflowedgesphenomenonofplasticproducts.Tothisend,withoutmakingthesizeofthemoldclampinghydrauliccylinderistoolarge,andthepressureistoohigh,oftenusingthemechanicallinkageforceincreasingmechanismtoachievetheclampingandclamping.

Inordertoshortenthetimeofairtravel,improveproductivity,clampinghydrauliccylindershouldbefast-movingactiontemplate.However,inordertopreventdamagetothemoldandproducts,avoidmachinesubjecttostrongvibrationandimpact-generatednoise,butalsoconsiderthebufferofmoldopeningandclosingprocess.Accordingly,thehydrauliccylinderinthemoldopeningandclosingprocess,thespeedofeachstageisnotthesame.Usuallyslow—fast—slowprocessofchangefaster,andfastslowchanges.

（2）injectionseatoverallmovement（forwardorbackward）.Forward

withsufficientthrusttoensurethatthenozzleisbroughtintoclosecontactwiththemoldgate.Further,itshouldbeabletofeedatafixedfeed,beforefeeding,andafterthreedifferentpreformitsactiontobeadjusted.

（3）thepressureandvelocityofinjectionshouldbecapableofadjustment,inordertomeettherawmaterial,differentthearticlegeometryandlayoutofthemoldgateandsothesizeoftheinjectionforcerequirements,aswellastherequirementsofthedifferentproductsontheinjectionspeed.

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