Fluoro热塑料导线挤压涂层英文).ppt

《Fluoro热塑料导线挤压涂层英文).ppt》由会员上传分享，免费在线阅读，更多相关内容在PPT专区-天天文库。

1、Fluoro-thermo-plasticWireExtrusioncoatingPerNelsonErikPetersDyneonLLCTopicsPolymersConductorPayoffSizing/cleaningPreheatingExtruderCrossheadToolingCoolingGaugesTroubleshootingDyneonFEP,PFA,ETFE,THVPolymerusesPolymerlinespeedsPayoffOptionsFlierRoll-offInlinedrawFlowstabilityiscrucialb

2、acktensionafterfliertensionbrakeSizing/cleaning(solidconductors)IntroducestensiontolineCleanscoppersurfaceImprovedcoppersurface;improvedelectricaltransmissionCopperPreheatingIndicatorsHighpreheatVoidedinnersurfaceSmoothoutersurfaceBetteradhesion>stripLowpreheatRoughoutersurfacePoorera

3、dhesionRecommendationsTemperatureguidelinesFEP/PFA100-180CETFE/THV50CDependsonlinespeedMeasurementPapergoodcomparativetestuniversalExtruderExtruderspec’sL/D24-34:1Saxtonmixing2-4xdiameterCloseheatcontrolnecessaryforastableprocesscorrosionprotectedmaterialnickelalloyExtruderneedstohave

4、atleast400CmaximumtemperatureCrossheadSpecsFixedoradjustablecenterCorrosionprotectedmaterialconstructionCoex/singleextrusionpossibleTubingWhytubeextrusion?MeltfractureSmoothsurface‚Sharkskin‘ExtrudedfilmTubingToolingToolingcalculationsDDR=(DD²-DT²)/(dCC²-dW²)DRB=(DD/dCC)/(DT/dW)ConeIn

5、dicatorsToolongDiametervariationUnstableTooshortsurfaceroughnesssparks/pinholesconebreaksUnstableTipanddienotconcentricCorenotcenteredMelttoohotorcoldLinespeedtoohighRecommendations30-40mmCoolingTroughCapstanColdwaterspraytypicalGroovedsheavespreferableoverstationaryguidesGauges/Indic

6、ationsLinetensiongaugeofinstabilityIdentifyconductordamageInner(copper)diametercoppersizeandqualityCapacitancecrucialforfoamadhesionproblemseccentricityproblemsdiameterproblemsGauges/IndicationsOuterdiameterProductsizeLong-termvariationovalityEccentricityCoppercenterLump/neckdownShort

7、termvariationSparktesterholes,thinspotsTroubleshootingTroubleshootingTroubleshootingTroubleshootingTroubleshootingManyThanks:ErikPetersDyneon,GendorfKerkrade