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A Study on Influence of Resin Temperature on Filling Balance of Multi-cavity Molds

資料類型：

PDF文件

關鍵詞：

injection mold multi-cavity filling balance visualization temperature
marker

資料大小：

216K

所屬學科：

分子表征

來源：

2009高分子材料先進制造業（青島）國際論壇（8.19-8.21，青島）

簡介：

FillingimbalanceforPP,longGF-PP,elastomerPCandGF-PCinamulti-cavitymoldwithageometricallybalancedrunnerisinvestigatedbyusingthevisualizationglass-insertedinjectionmoldandinfraredthermometers,throughvisualizingtheflowbehaviorofthemeltintherunnerandcavityandmeasuringthemelttemperaturenearthecavityentrancesimultaneously.Inaddition,velocitydistributioninthesecondaryrunnerforPPandelastomerisalsodeterminedbyuseofmarkertracersinordertofurtherinvestigatethemechanismoffillingbalance.Theresultsshowthatthedegreeoffillingimbalancedependsonthevelocitydifferenceoftheupperandlowermeltanditsdevelopmentinthesecondaryrunnerduringthefillingprocess.Themeltviscositydifferenceintheprimaryrunnerdominatethemeltvelocitydifferenceinthesecondaryrunner.,andtheviscositydifferencedependsonthetemperaturedifferenceandviscositysensitivitytotemperatureandshearrate.Thedevelopmentofthevelocitydifferenceoftheupperandlowermeltinthesecondaryrunnerdependsonthemeltviscoelasticpropertyandtherunnerwallcondition.

作者：

Jingbo Chen, Changyu Shen, Hidetoshi Yokoi

上傳時間：

2009-11-06 11:22:59

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