Basic Molding Training Materials (Resin Materials)

BasicMoldingTrainingMaterials(ResinMaterials)Mar.2006H.Iimura3FactorforMoldingMoldingDiesDesignFabricationAssemblyInjectionMachineResinMaterialsParameterPeripheralEquipmentsResinMaterialsResinMaterials1.WhatisPlastics?2.PlasticsClassification3.CharacteristicofPlasticsforConnector4.KeywordsPlasticsis,Thesubstancewhichcanbemodeledaswehopedbyheatandpressure.PlasticsClassification1結晶性（PA,PBT,PPS,LCPetc)熱可塑性非結晶性(PC,ABS,PS,PCetc)Plastics熱硬化性(Phenoletc)PlasticsClassification2汎用樹脂(PE,PP,PS,ABSetc)熱可塑性EngineeringPlastics(PA,PBT,POM,PCetc)結晶性非結晶性SuperEngineeringPlastics(PPS,LCP,PESetc)CharacteristicofPlasticsforConnectorPossitiveNegativePA6/PA66耐衝撃性／耐薬品性吸水PA46耐熱性／耐薬品性／GoodforSMT吸水PBT寸法安定性／耐薬品性加水分解機械的物性良好／高熱変形温度（GF）伸度：大　（NonGF）低CostPPS機械的強度／高剛性／耐熱性（融点：285℃）高Cost寸法安定性／耐薬品性／流動性LCP高剛性／曲弾性率大／低収縮率高Cost流動性良好／耐熱性CharasteristicsKeywords(1)Shrinkage(収縮率）(2)DryingCondition(材料乾燥条件）(3)MoistureRatio(水分率)(4)Pellett(5)RegrindMaterial（破砕材）(6)Repelletizing(7)MasterBatch（１）Shrinkage(収縮率）1215Gate60Ex.1PBTw/oGF:shrinkequally(18/1000–20/1000mm)Molddesigndimension60x1.02=61.20015x1.02=15.30012x1.02=12.240ProductDimensionEx.2PBTw/GF:differentshrink(lengthandothers)Longdirection:3/1000,Others:8/1000Molddesigndimension60x1.003=60.18015x1.008=15.12012x1.008=12.096(2)DryingCondition(材料乾燥条件）-Processofwater/moistureremovalfromresinmaterialbyheatinginadvanceforinjectionSpecofdryingcondition-PBT:120℃x4-5hrs-PA66:80℃x8-15hrs-PA46:80℃x8-10hrs-PPS:140-250℃x4-6hrs-LCP:110-150℃x4-8hrsMoistureRatio(水分率）-Theratio(%)whichresinmaterialscontainswaterSpedofmoistureratioafterdrying（水分率測定器）PBT,PPS≦0.02%PA6,PA66≦0.2%Pellette-Resinplasticswith球形、円柱or角柱形whicharesized2–5mmfordiameteroredgedimension25kg/bagRegrindMaterial(破砕材）-Thematerialswhichrunnerhasbeencrushed-TheyareaddedtovirginmaterialwithdefinitepercentageRegrindMachineRegrindMaterialRepelletizingCapacity:100Kg/hrTycoKoreaAdvantage●ProducingequalsizeofpalletbyRepelletizingM/C,andtherebyconstantmeltingtimeduringmolding●ProducingsamequalityHSGasVirginMaterialsMasterBatch-Coloredmaterialforaddingtonaturalmaterial-Theyshouldbeaddedwithdefinitepercentage(5%)NaturalColorMasterBatchInjectionProductsEndResinMaterials