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1、4-2热塑性塑料注射成型过程分析（Analysisof4-2thermoplasticinjectionmoldingprocess）Thisarticleiscontributedbyxuzhixiao888PdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.PolymerProcessingEngineeringBeijing,University,of,Chemical,Technol
2、ogyPolymerprocessingengineeringThefourthchapterisMolding(Injectioninjection)Section1overviewofinjectionmolding(video)secondthermoplasticinjectionmoldingprocessanalysisofthirdinjectionmoldingprocessesThefourthchapterisMolding(Injectioninjection)Secondsection:analysisofthermoplasticinjectionmoldin
3、gprocessI.theplasticizingprocesstwo,theflowoffluidintheinjectionprocess,three,thechangeofthepressureinthemoldingprocess,four,theorientation,crystallizationandinternalstressofthepolymerintheinjectionmoldingprocessAnalysisofsecondinjectionmoldingprocessofthermoplasticsInjectionmoldingofpolymers:th
4、reebasicprocesses:plasticization,melting,injectionmoldingandcoolingmolding.Secondthermoplasticinjectionmoldingprocessanalysisofinjectionmoldflowstroke:cylindermeteringchambernozzletomoldmainchanneltomolddiversionchannelgatetomoldcavityGateinjectorAnalysisofsecondinjectionmoldingprocessofthermopl
5、asticsI.plasticizingprocess1,plasticizingprocessandrequiringplasticizingprocess:referstotheprocessinwhichthepolymerisheatedinthebarrelandtransformedfromsolidtomoltenmelt.Theplasticizingprocessrequiresthatthematerialbefullymoltenandfullyblendedtoaspecifiedmoldingtemperatureandthatthetemperaturedi
6、stributionisuniform.Second,thermoplasticinjectionmoldingprocessanalysis,plasticizingprocess2,plasticizingprocessfactors(1)equipmentfactors1-screwinjectionmoldingmachine(strongshear)2-screwinjectionmoldingmachine(sheargentlier)3-plungertypeinjectionmachine(nearthebarrel)4-plungertypeinjectionmach
7、ine(Center)barrelofinjectionmoldingmachinematerialintheheatingcurvePlasticinjectionmoldingprocessofaplastic,plasticizingprocessinsectionsecond(2)thermalprocessfactorsofA.screwspeed:n=materialconveyingcapacityislarge,buteasyt
