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1、eGasAssistInjectionMoldingGasA.I.MSeminar氣體輔助成型技術(shù)2005-02-24GEAdvancedMaterialConfidential1PDFcreatedwithFinePrintpdfFactorytrialversionhttp://www.fineprint.comeGasAssistInjectionMoldingKeyFeatures主要特征lAnExtensionofTraditionalInjectionMolding傳統(tǒng)注塑技術(shù)的拓展lProducesMoldedPartswithHollowSection
2、s制品中空lALowCavityPressureProcess低型腔壓力lA"ShortShot"Process缺料注塑2005-02-24GEAdvancedMaterialConfidential2PDFcreatedwithFinePrintpdfFactorytrialversionhttp://www.fineprint.comeGasAssistInjectionMoldingMoldingOverview成型概述lHighPressureGas(Nitrogen)isInjectedintotheUncuredResin高壓氣體(N2)充入未凝樹脂lTh
3、eGas"Bubble"FollowsthePathofLeastResistance(HighT&LowP)氣體流向阻力最小處lHollowSectionsResultfromDisplacedResinandShrinkageinThickSections制品內(nèi)部壁厚處中空2005-02-24GEAdvancedMaterialConfidential3PDFcreatedwithFinePrintpdfFactorytrialversionhttp://www.fineprint.comeGasAssistInjectionMoldingStagesofGasA
4、ssistMolding氣輔成型的各階段部分充模首次充氣二次充氣2005-02-24GEAdvancedMaterialConfidential4PDFcreatedwithFinePrintpdfFactorytrialversionhttp://www.fineprint.comeGasAssistInjectionMoldingProcessBenefits加工優(yōu)勢Itisimportanttonotethatsome(notall)ofthesebenefitsmayberealizedforanygivenpart.lReducedSinkMarksorRe
5、adThroughunderChannelsorRibs減輕縮痕lSmoothSurfaceFinishwhenComparedtoStructuralFoam制品表面光滑lReducedCycleTimewhenComparedwithStructuralFoamorThickParts降低循環(huán)時間lLowerPartWeightinSomeParts減小制品質(zhì)量2005-02-24GEAdvancedMaterialConfidential5PDFcreatedwithFinePrintpdfFactorytrialversionhttp://www.finepr
6、int.comeGasAssistInjectionMoldingProcessBenefits(continued)lEnhancedFlowCapability增加流動性?Reducedclamptonnagerequirements降低鎖模噸位?Reducedpressurerequirements降低注射壓力?Replacesexternalhotorcoldrunnerswithbuilt-in(gas)channels(lowertoolingcost).降低模具成本lReducedMolded-inStressandStressGradientthrou
7、ghoutthepart降低模內(nèi)應(yīng)力?Uniformpacking/shrinkage均勻收縮?Reducedpartwarpage減輕制品撓曲lGreaterDesignFreedom更大的設(shè)計(jì)自由度?Addsstructurewithlittlepenalty結(jié)構(gòu)多樣化?Allowsthemoldingofthickparts可成型較厚制品2005-02-24GEAdvancedMaterialConfidential6PDFcreatedwithFinePrintpdfFactorytrialversionhttp://www.fineprin