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1、TheDesignofPlasticBobbinwindingaCategory6AUTPCabletoImproveImpactPerformanceusingCAEYong-HeeWon*,Youn-JungKim*,Weon-BaeKim*,Min-Son**,Jong-SebBaeck**,Bo-ChanJeong***CAETechnologyGroup,ProductionEngineeringCenterLSCableLtd.**TelecommunicationTechnologyTeam,LS
2、CableLtd.+82-31-450-8435·yhwon@lscable.comAbstractconstitutedwith4pairsoftwistedinsulatedconductors,flatseparatorandjacket,andtheweightofawindedCat6AcableontheInthedesignofplasticbobbinwindingaCat6aUTPCable,thebobbinis25kg.Also,thewindingbobbinsystemiscompos
3、edofastructuresofbobbinaresufferedinthedeformationsuchasbendingbox,reel-bobbinandreel-stand.Thebox,reel-bobbinandreel-standorbucklingbehaviormodesbytheimpactwiththegroundunderthearemadebycorrugatedcardboard,HIPS(7~10wt%lowerrubberdroptestconditions.Thedeform
4、edorfracturedpartsinducedduringcontent)andHDPE.Thematerialpropertiesofthecomponentsarethedroptest,causedtheundesirableincrementinthecable’stabulatedinTable1.unwindingforcefromthebobbin,andalsogaveacausetodeterioratetheUTPCable’stransferringperformancebygetti
5、ngConductoinjured.Thedesignedstructureofbobbinshouldbesufficientlystiffrandtoughtosufferthedroptestconditions,andbelight-weight.Insulation(HDPE)Toaccomplishthis,weperformedthematerialpropertiestestssuchastensiletestsunderthevariousvelocitiesandthengotawell-c
6、orrelatedFiniteElementmodel(FEmodel).UsingtheestablishedFEmodel,wecarriedouttheimpactanalysisofthebobbin’sstructuretomaximizetheratiooftheabsorptionofimpactenergyvs.weight.FlatseparatorFinally,itwasachievedtoreducethedevelopmentcostandtimeTwistedbasedonthean
7、alysisresult.ThesuggestedbobbinhasnotonlyJacket(PVC/LSZH)Pairlight-weightedbutisalsostiffandtoughenoughtomeettherequirementofthedroptests.Figure1Cat6AUTPCablecomponentsKeywords:bobbin;Finite-Element;drop;impactReel-bobbin1.IntroductionThedesignofplasticbobbi
8、nwindingaCategoryUTP6A(Cat6a)ReelCable,compliedwithTIA/EIA568B.2-10,thestructuresofbobbinaresufferedinthedeformationsuchasbendingorbucklingstandbehaviormodesbytheimpactwiththegroundunderthedropt
