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ANSI/EIA-364-41C-1999Approved:April23,1999EIASTANDARDTP-41CEIA-364-41CCableFlexingTestProcedureforElectricalConnectorsEIA-364-41C(RevisionofEIA-364-41B)JUNE1999ELECTRONICINDUSTRIESALLIANCEElectronicComponents,Assemblies,Equipment&SuppliesAssociation NOTICEEIAEngineeringStandardsandPublicationsaredesignedtoservethepublicinterestthrougheliminatingmisunderstandingsbetweenmanufacturersandpurchasers,facilitatinginterchangeabilityandimprovementofproducts,andassistingthepurchaserinselectingandobtainingwithminimumdelaytheproperproductforhisparticularneed.ExistenceofsuchStandardsandPublicationsshallnotinanyrespectprecludeanymemberornonmemberofEIAfrommanufacturingorsellingproductsnotconformingtosuchStandardsandPublications,norshalltheexistenceofsuchStandardsandPublicationsprecludetheirvoluntaryusebythoseotherthanEIAmembers,whetherthestandardistobeusedeitherdomesticallyorinternationally.StandardsandPublicationsareadoptedbyEIAinaccordancewiththeAmericanNationalStandardsInstitute(ANSI)patentpolicy.Bysuchaction,EIAdoesnotassumeanyliabilitytoanypatentowner,nordoesitassumeanyobligationwhatevertopartiesadoptingtheStandardorPublication.ThisEIAStandardisconsideredtohaveInternationalStandardizationimplication,buttheInternationalElectrotechnicalCommissionactivityhasnotprogressedtothepointwhereavalidcomparisonbetweentheEIAStandardandtheIECdocumentcanbemade.ThisStandarddoesnotpurporttoaddressallsafetyproblemsassociatedwithitsuseorallapplicableregulatoryrequirements.ItistheresponsibilityoftheuserofthisStandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationsbeforeitsuse.(FromStandardsProposalNo.4142,formulatedunderthecognizanceoftheCE-2.0NationalConnectorStandardsCommittee.)PublishedbyÓELECTRONICINDUSTRIESALLIANCE1999EngineeringDepartment2500WilsonBoulevardArlington,VA22201PRICE:PleaserefertothecurrentCatalogofEIAElectronicIndustriesAllianceStandardsandEngineeringPublicationsorcallGlobalEngineeringDocuments,USAandCanada(1-800-854-7179)International(303-397-7956)AllrightsreservedPrintedinU.S.A.中国可靠性网http://www.kekaoxing.com PLEASE!DONTVIOLATETHELAW!ThisdocumentiscopyrightedbytheEIAandmaynotbereproducedwithoutpermission.Organizationsmayobtainpermissiontoreproducealimitednumberofcopiesthroughenteringintoalicenseagreement.Forinformation,contact:GlobalEngineeringDocuments15InvernessWayEastEnglewood,CO80112-5704orcallU.S.A.andCanada1-800-854-7179,International(303)397-7956 CONTENTSClausePage1Introduction..........................................................................................................11.1Scope...................................................................................................................11.2Potentialfailuremodes..........................................................................................12Testresources......................................................................................................12.1Equipment............................................................................................................13Testspecimen.......................................................................................................23.1Description...........................................................................................................23.2Preparation...........................................................................................................24Testprocedure......................................................................................................34.1TestconditionI,circularjacketcable....................................................................34.2TestconditionII,flatcable...................................................................................34.3Finalmeasurement................................................................................................45Detailstobespecified...........................................................................................46Testdocumentation..............................................................................................5Table1Testvoltageatsealevel........................................................................................5Figure1Circularcableflexingtestsetup.............................................................................62Flatcableflexingmethods.....................................................................................7i中国可靠性网http://www.kekaoxing.com 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EIA-364-41CPage1TESTPROCEDURENo.41CCABLEFLEXINGTESTPROCEDUREFORELECTRICALCONNECTORS(FromEIAStandardsProposalNo.4142,formulatedunderthecognizanceEIACE-2.0CommitteeonNationalConnectorStandards,andpreviouslypublishedinEIA-364-41B.)1Introduction1.1ScopeThisstandardestablishesamethodtodeterminetheeffectivenessofcircularjacketedcabletoplugseal,orflatcabletoplugsealorinterfacetowithstandstrainunderrepeatedalternatingcable-flexingstressesasexperiencedinusewithcablestrain-reliefdesignelectricalconnectors.1.2Potentialfailuremodes1.2.1Damagetothecabletoplugseal(includingmoldedbootsandstrainreliefs)orcablejacketthatcouldallowundesiredsubstances(air,water,etc.)toenter,andtofurtherdeterioratethesealorjacket,ultimatelyimpairingtheeffectivenessofeitherorboth.1.2.2Weakeningordestructionofconductortocontactjoint(s)resultinginimproperordefectiveelectricalperformance.1.2.3Intermittentorcompleteshortingbetweenconductorsduringandaftertest.1.2.4Evidenceofdiscontinuitybetweenconductorsduringandaftertest.2Testresources2.1Equipment2.1.1TestconditionI,circularjacketcable2.1.1.1Apparatuscableofapplyingforcestoamoldedplugassembly,soastocausesuchassemblytobeflexedinaplane,through180°arc,alternatelyfromaposition90°fromtheverticalononesidetoaposition90°fromtheverticalontheotherside,atanadjustablefrequencythatincludesafrequencyof12to14completecycles(of360°totaltraverse)perminute;seefigure1.中国可靠性网http://www.kekaoxing.com EIA-364-41CPage22.1.1.2Roller(orrolls):Twosmooth,cylindrical,equal-diametersteel,fixedposition.Diameteroftherollersshallbeapproximatelybutnotlessthan2-1/2timesthemaximumdiameterofthecablefordiameterslessthan20mm(0.8in)orasspecifiedinthereferencingdocument.2.1.1.3Equipmentforcheckingtheelectricalcontinuityoftheconductor-to-contactjoints,priorto,during,andsubsequenttotesting.2.1.1.4Equipment,suchasmagnifiers(approximately3X)forexaminingcable-to-plugsealorcablejacketpriortoandsubsequenttotesting.2.1.2TestconditionII,flatcable2.1.2.1Afixturecapableofgrippingthecable305mm(12in)fromtheconnectorwithuniformtensionof350N/m±20N/m(2.0lb/in±0.1lb/in)ofcablewidthandcapableofmovingeitherthecableorconnectorthroughanarcof140°±10°;seefigure2,method2.2.1.2.2Equipmentcapableofmonitoringcurrentof100mAandtoindicateadiscontinuityof1microsecondorlongerinterruptionofcurrentflow.3Testspecimen3.1DescriptionThetestspecimenshallconsistofacableterminatedtoaplugorreceptacle.3.2Preparation3.2.1TestconditionI,circularjacketcableThetestspecimenshallbemountedasshowinfigure1withthefollowingconditions:3.2.1.1Itscableislooselybutalmosttangentiallysituatedbetweenthetworollersthatarespacedfartherapartthanthemaximumdiameterofthecable,see2.1.1.2.3.2.1.2Thebondedjointatthejunctionofthemoldedbootandthecablejacketshallbelocatedapproximatelyat45°abovethecenterlinethroughthetworollsasshowninfigure1,inthecaseinthatthereisnocableclampwithinthemoldedboot.Ifthemoldedbootcontainsacableclamp,thedimensionX(seefigure1)inthereferencingdocumentshallbeusedtodeterminethepositionofthebondedjoint(atthejunctionofthemoldedbootandthecablejacket).Thisisnecessarytopreventdamagetotheinternalclampduringflexingovertherollers. EIA-364-41CPage33.2.1.3Thenon-freesectionofthecableshallbeclampedbyafixedcableholdingfixturecapableofapplyinguniformradialpressuretothecablecore,sothatslippageisminimized.Careshouldalsobeexercisedthatclampingpressureisnotexcessive.3.2.2TestconditionII,flatcableThetestspecimenshallbemountedasshowninfigure2.3.2.2.1Theassembledwiredconnectorshallbeinstalledinthefixturedescribedin2.1.2.1.3.2.2.2Connectormountingandcabletensionfixtureshallbeclampedsoslippageisminimal..Careshallbetakenthatappliedclampingpressureisnotsogreatastodamageconnectororcable.4Testprocedure4.1TestconditionI,circularjacketcable4.1.1Checktheelectricalcontinuityoftheconductortocontactjoints.4.1.2Withthetestspecimenmountedasin3.2.1andfigure1,forcesareappliedsoastocausethemoldedboottoberepeatedlyflexed180°inoppositedirectionsintheplane,overtherollers.Atraverseof180°inonedirectionplus180°intheoppositedirectionshallbecalledonecycle.Unlessotherwisespecified,thecyclingrateshallbe12to14cyclesperminute.4.1.3Atthecompletionof100cycles,examinationofseal,jacketandcableholdingfixtureshallbemadetodeterminethepresenceorabsenceoffailuremodes;see1.2.1.Electricalcontinuityshallthenbecheckedtodeterminepresenceorabsenceoffailuremode;see1.2.2through1.2.4.4.1.4Thecableholdingfixtureshallthenbesufficientlyloosenedtoallowrotationofthecable90°,andretightenedasin3.2.1.3.Repeattheproceduresof4.1.2and4.1.3.4.2TestconditionII,flatcable4.2.1Withtestspecimenmountedasin3.3.2eachcableshallbeindividuallyloadedwithspecifiedweight.4.2.2Thecableortheconnectorshallbemovedthroughanarcof140°±10°for500cyclesusingeithermethod1or2offigure2.中国可靠性网http://www.kekaoxing.com EIA-364-41CPage44.2.3Onecompletecycleshallconsistoftherotationofthecableorconnectorfromtheneutralpositionto70°±5°inbothdirections.Unlessotherwisespecified,thecyclingrateshallbe10±1cyclesperminute.4.2.4Amonitoringcurrentof100mAmaximumshallbeappliedthroughtheconductorofthetestcablesandthecontractsoftheconnectorinseries.Eitheradummyplugorreceptacleortheactualtestcounterpartconnectormaybematedtotheconnectorundertesttofacilitatemakingtheseriescircuit.4.3Finalmeasurement4.3.1VisualThespecimensshallbevisuallyinspectedforthefailuremodesindicatedin1.2.4.3.2ElectricalElectricalcontinuity,insulationresistanceanddielectricwithstandingvoltageshallbemeasured.5DetailstobespecifiedThefollowingdetailsshallbespecifiedinthereferencingdocument:5.1DimensionXinfigure15.2Rollerdiameterforcableslargerthan20mm(0.8in)5.3Testprocedure,conditionandmethod,asapplicable5.4Totalcycles,ifotherthanspecifiedherein5.5Cabletobeused5.6Dielectricwithstandingvoltage5.7Insulationresistance5.8Allowableelectricaldiscontinuity EIA-364-41CPage55.9Cyclingrate,ifotherthanspecifiedherein5.10Specialenvironmentalconditions5.11Cabletobeused5.12Magnitudeandnatureoftestvoltage,ifotherthanspecifiedintable1Table1-TestvoltageatsealevelContactcenterspacingVoltageat60cyclesrms1.27mm(0.050in)8001.90mm(0.075in)1,5002.54mm(0.100in)2,0006TestdocumentationDocumentationshallcontainthedetailsspecifiedinclause5,withanyexceptions,andthefollowing:6.1Titleoftest6.2Specimendescriptionincludingfixturing6.3Testequipmentused,anddateoflastandnextcalibration6.4Testprocedure6.5Valuesandobservations6.5.1Testconditionsandenvironments6.5.2Electricalcontinuitychecks6.6Nameofoperatoranddateoftest中国可靠性网http://www.kekaoxing.com EIA-364-41CPage6Figure1-Circularcableflexingtestsetup EIA-364-41CPage7Method1Method2Figure2-Flatcableflexingmethods中国可靠性网http://www.kekaoxing.com EIADocumentImprovementProposalIfintherevieworuseofthisdocument,apotentialchangeismadeevidentforsafety,healthortechnicalreasons,pleasefillintheappropriateinformationbelowandmailorFAXto:ElectronicIndustriesAllianceEngineeringDepartmentPublicationsOffice2500WilsonBlvd.Arlington,VA22201FAX:(703)907-7501DocumentNo.DocumentTitle:SubmittersName:TelephoneNo.:FAXNo.:e-mail:Address:UrgencyofChange:Immediate:Atnextrevision:ProblemArea:a.ClauseNumberand/orDrawing:b.RecommendedChanges:c.Reason/RationaleforRecommendation:AdditionalRemarks:Signature:Date:FOREIAUSEONLYResponsibleCommittee:Chairman:DatecommentsforwardedtoCommitteeChairman: 中国可靠性网http://www.kekaoxing.com
