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1、各种塑料材料注塑工艺(快速调机型)（Allkindsofplasticmaterialinjectionmoldingprocess(rapidadjustment)）Therawmaterialtemperature.01.ABS180-24002.HIPS180-22003.PC+ABS200-24504.PA66260-30005.PA66+GP285-32006.PMMA200-24507.PC280-32008.PS180-22009.POM165-20010.PP180-22011.PBT220-280Tw
2、o,theexceptionhandlingmethod:A:airlines1.gatelocation:A.improvethemoldtemperature;B.raisingthebarreltemperature;C.reducesthegatelocationoffire,shootingpressure;Thenozzleoflongthintypeproducts,brokenaavailable,withthemediumpressurejetnozzle;thetwosectionwithslowi
3、njectionposition.LowtonepatternB:lackofmaterial1.whentheformationofmaterialshortage,firstchecktheproductdoseenough.Whentheproductisa.bonethickpartsQueliao,afterthemoldtemperatureistoohigh,badexhaustformMethods:1.lowermouldtemperature2.atlowerpressurerate.B.whent
4、heproductbonethinpartsQueliao,plasticflowisfastenoughtoformMethods:1.improvethebarreltemperatureof2.toimprovetheinjectionpressurerateoffire.WhentheC.encapsulationproductsduetolackofmaterialpositionMethods:1.improvedexhaust2.shotalowrateoffire2.whentheproductiono
5、fproductsintheformationofmaterialshortageA.firstcheckswhetherthemouthmachineleakage,obstruction;B.tubetemperatureisabnormal;C.moldtemperatureischanging.C.flower1.seethematerialdryingtemperatureisnormal;2.seethebarreltemperatureisabnormal,thebarreltemperatureisse
6、ttoohightocompounddecomposition;The3.nozzleapertureistoosmall,whentheinjectionrubbermaterialdecompositioninhighspeedunderthecondition.(retreatbarrelviewblockiscottonybubbleinjection).2.whentheirregularflowerappearonthesurfaceoftheproduct,processingrubberwhenthep
7、roductappearsonthesurfaceofaregularsmallflower,inthecompoundwithoutcheckconfirmedabnormalconditions,availablemachineimprovement,findouttheflowersectiondosepositionatlowerpressureandimprovetheexhaustspeedimprovedPCinjectionpressurewithhighinjectionpressureasmucha
8、spossible.PPinjectionpressurecanreach1800barWhatisthecrystallizationofplastic?Crystallineplasticshaveobviousmeltingpoint,solidmoleculesarranged.Irregularareaisknownas
