注塑工艺介绍课件

《注塑工艺介绍课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、MoldingProcessIntroduceDanielzuoProcessSelectionProcessingofEngineeringThermoplastics:InjectionMoldingExtrusionCompressionMoldingThermoformingBlowMoldingSecondaryOperationsComparisonsInjectionMoldingExtrusionCompressionMoldingThermoformingBlowMoldingSecondaryOperationsComparisonsProcessingofEngin

2、eeringThermoplastics:MaterialsProcessingProcessingProcessSelection-InjectionInjectionMoldingIntroductionInjectionmoldingmakespossiblemassproductionofintricate,highperformance,tighttolerancepartswithverylittlesecondarylaborandminimalwaste.ProcessSelection-InjectionHopperMoldClampExtruderBarrelwith

3、HeatingBandsInjectionMoldingMachineProcessSelection-InjectionInjectionUnitTheReciprocatingScrewPelletsFeedSectionMeltProcessSelection-InjectionInjectionUnitTheReciprocatingScrewScrewPushesForward:InjectScrewSlidesBack:Feed,Melt(Filling)ThroatHeatingCoilsNozzleRotationInjectionForceBackPressurePro

4、cessSelection-InjectionInjectionUnitTheReciprocatingScrewScrewSlidesBack:Feed,MeltProcessSelection-InjectionInjectionUnitTheReciprocatingScrewReadyforInjectionProcessSelection-InjectionInjectionUnitTheReciprocatingScrewScrewPushesForward:InjectProcessSelection-InjectionFeedSection:Picksuppelletsa

5、ndcarriesthemforward.TransitionSection:centralportionofthescrewwithreducedchanneldepthwhichcompressesplastic,eliminatingairbetweenpelletsandheatingandmeltingthem.MeteringSection:Finalplasticizingofmelt.ScrewDescriptionMeteringCompressionFeedProcessSelection-InjectionClampingSystemMoldMovablePlate

6、nStationaryPlatenProvidesmotionandforcetoopenandclosemoldClampingForce:maximumholdingforceintonsthatamachinecanmaintainNozzleProcessSelection-InjectionStandardInjectionMoldingFastCycleTimesComplexPartsHighVolumeAestheticsAdvantagesDisadvantagesHighPressureProcessLimitedLargePartCapabilityHighTool

7、ingCostProcessSelection-InjectionCo-InjectionMoldingTwo-ComponentCo-InjectionMoldingCo-InjectionMoldingThreeComponentCo-InjectionMoldingCo-InjectionMoldingFourComponentCo-InjectionMoldingLEXANFOAMABLERESINBusinessMachi