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【英文标准名称】:StandardTestMethodforEvaluationofCrimpedElectricalConnectionsto16-GaugeandSmallerDiameterStrandedandSolidConductors
【原文标准名称】:与16量表和较小直径绞线以及实心导体相连的卷曲电连接器评估的标准试验方法
【标准号】:ASTMB913-2005(2010)
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:B02.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:织缩;卷曲端;卷曲电连接;热寿命试验;金属线;卷曲电气连接;接线盒;小直径电导体;固体电导体;导电绞线
【英文主题词】:crimp;crimpterminal;crimpedconnection;thermalagetest;wire;Crimpedelectricalconnections;Electricalconductors;Small-diameterelectricalconductor;Solidelectricalconductors;Strandedelectricalconductors
【摘要】:Thistestmethodestablishestherequirementsforastandardizedmethodofevaluatingtheperformanceofcrimped-typeelectricalconnectionshavingsolidorstrandedconductors.Inordertoachieveasuccessfulcrimpedconnection,thecrimpingtoolmustdeformthematerialofthecrimpbarrelorbarreltab(s)aroundtheconductor.Asaconsequence,theconductorsurfacesareplacedundercompressionbythecrimpterminalandareasofcontactareestablishedbetweentheconductorandthecrimpbarrel.Theseareasprovidethedesiredelectricalconnection.Areliablecrimpedconnectionisonethatiscapableofmaintainingthecontactbetweentheconductorandcrimpbarrelsothatastableelectricalconnectionismaintainedwhenitisexposedtotheconditionsitwasdesignedtoendureduringitsusefullife.Evaluationtestingisdesignedtoensurethataparticulardesigncrimpedconnectionsystemconsistingofconductorandcomponentandassociatedtoolingiscapableofachievingareliableelectricalandmechanicalconnection.Aftertheevaluationiscompleted,ifanychangeinthesystempartsismade,thesystemshouldbereevaluatedusingthesameprocedures.Aftercompletionoftheevaluationtest,thetensilepullstrengthresultsmaybeusedtodevelopacceptancerequirementstobeusedininspectionofsubsequentproductionlotsofcrimpedconnections.AnexampleofsuchanacceptancerequirementisshowninAppendixX1.Theagingtest,33daysexposureat118x00B0;C,hasbeenusedinthetelecommunicationsindustrytosimulate40yearsofserviceatamoderatelyelevatedtemperatureof50x00B0;C,anenvironmentthatcomponentsexperiencewithinlargebanksoftelephoneequipment.Thisenvironmentissimilartothatseeninawiderangeofelectronicsystemsoperatingindoorscontainingactivecomponentsthatdissipatepower.Thetestisdesignedtoreproducethestressrelaxationofcopperalloysinsuchserviceandhasbeenusedextensivelyinevaluatingwirewrapconnections.Italsoacceleratesotherthermallyactivatedprocessessuchasoxidationalthoughtheiraccelerationfactorsmaybedifferentfromthatofcopperstressrelaxation.Theagingtestacceleratesstressrelaxationprocessesandotherthermallyactivatedprocessesbutdoesnotaddresssomeotherpossiblehazardssuchascorrosion.Additionaltestingmaybeappropriateiftheintendedserviceenvironmentpresentssuchhazards.1.1Thistestmethodestablishestherequirementsforastandardizedmethodofevaluatingthequalityofcrimped-typeelectricalconnectionstosolidorstrandedconductors.Thistestmethodappliesto16-gaugeandsmallerdiametercopperwire,coatedoruncoated.1.2Thistestmethodisapplicabletoconnectionsystemsintendedforindooruse,orforuseinenvironmentallyprotectedenclosures.Additionaltestingmayberequiredtoassuresatisfactoryperformanceinapplicationswherehighhumidityorcorrosiveenvironment,orboth,maybepresent.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:L23
【国际标准分类号】:29_120_20
【页数】:5P.;A4
【正文语种】: