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ASTM B942-2010e1 夹具线终端电接触性规范和质量保证的标准指南

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【英文标准名称】:StandardGuideforSpecificationandQualityAssurancefortheElectricalContactPerformanceofCrimpedWireTerminations
【原文标准名称】:夹具线终端电接触性规范和质量保证的标准指南
【标准号】:ASTMB942-2010e1
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:(Guide)
【标准水平】:()
【中文主题词】:织缩;终端;末端;金属线;夹具电连接;电连接材料;性能;质量保证(QA);引出线
【英文主题词】:crimp;terminal;termination;wire;Crimpedelectricalconnections;Electricalcontactmaterials;Performance;Qualityassurance(QA);Wireterminations
【摘要】:Thepurposeofthisguideistoprovideend-productmanufacturersandotheruserswithtechnicalinformationandmethodsrecommendedtowardstheachievementofsuccessfulapplicationofcrimpedwireterminals.Foranygivenuse,thereisgenerallyachoiceofterminaltypesavailable,employingdifferentmechanicaldesign,materials,andinstallationtooling.Althoughterminalsavailabletochoosefrommaybesimilarlyrated,typicallyaccordingtowiresizesandcombinations,theirelectricalcontactperformanceintheendproductmayvarysubstantially.Formanyapplications,theend-productreliabilityandusersafetyissubstantiallyinfluencedbythechoiceofterminalandthequalityofthecompletedtermination.Thisguidancedocumentcontainsspecializedinformationonselection,assembly,andqualitycontrolofcrimpedwireterminals,coveringaspectsconsideredtobenecessarytoachievereliablelong-termoperationintheintendedapplication.Thisinformationisnotgenerallyfoundincommercialliteratureortextbooks.Themethodsdiscussedutilizeconnectionresistanceastheprimarymeasureofterminationquality,andchangeofconnectionresistancewithtimeasthemeasureofterminationdeterioration.Themethodsarebasedonafoundationofmodernelectricalcontacttheoryandpractice.1.1Thisguidecontainspracticesforspecifyingandevaluatingtheelectricalcontactperformanceofcrimped-typeterminationswithsolidorstrandedconductors.1.2Thisguideprovidesinformationrelevanttotheelectricalcontactperformanceofacrimpedwiretermination.Itdoesnotcoverotheraspectsofselectionanduseofcrimpedterminals.1.3Themethodsdiscussedinthisguideapplyonlytothewiretermination,whichistheelectricalcontactinterfacebetweentheconductor(s)andtheterminal.Otheraspectsimportanttoterminalevaluation,suchasthepropertiesandperformanceofelectricalinsulation,theeffectivenessofstrainrelieffeatures,andthequalityofcontactbetweentheterminalandotherelectricalcircuitelements,arenotincluded.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K04
【国际标准分类号】:29_120_20
【页数】:9P.;A4
【正文语种】:


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【英文标准名称】:StandardSpecificationforResilientConnectorsBetweenReinforcedConcreteManholeStructuresandCorrugatedHighDensityPolyethyleneDrainagePipes
【原文标准名称】:钢筋混凝土人孔结构和波纹状高密度聚乙烯排水管间弹性连接件的标准规范
【标准号】:ASTMF2510/F2510M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:F17.20
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:corrugatedHDPEpipe;designtestmethod;hydrostatictesting;leakagetests;manholes;resilientconnectors;seals
【摘要】:1.1Thisspecificationcoversthedesign,material,andminimumperformancerequirementsofresilientconnectorsusedforconnectionsbetweenreinforcedconcretestructuresconformingtoSpecificationsC478andC913toannularcorrugatedprofilewallhighdensitypolyethylene(HDPE)drainagepipeconformingtoAASHTOM252orSpecificationF2306/F2306M.1.1.1Theseconnectorsaredesignedtoprovideapositivesealbetweenthepipeandmanholesorotherstructuressubjectedtointernalandexternalhydrostaticpressureslessthan10.8psi[74KPa].1.1.2Testingunderthisstandardislimitedtohydrostaticpressures.Alternateairandvacuumpressuretestinginvolveuniquetestingprotocolsandarenotaddressedunderthisstandard.1.1.3Testingunderthisstandardisconductedinalaboratoryasaproofofdesigncertification.Actualfieldperformancetestingwouldbeaccomplishedandacceptedunderindividualprojectperformancestandardsorpipelineacceptancecriteria,whichisoutsidethescopeofthisstandard.Note18212;Infiltrationorexfiltrationquantitiesforaninstalledsystemaredependentuponmanyfactorsotherthantheconnectionsbetweenmanholestructuresandpipe,andallowablequantitiesmustbecoveredbyotherspecificationsandsuitabletestingoftheinstalledpipelineandsystem.Note28212;Thisspecificationmaybeappliedtoothertypesofplasticdrainagepipe.Consultwithmanufacturerofpipeforapplicabilitytothisstandard.1.2Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.WithinthetexttheSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents:therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section7.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecificprecautionstatement,see7.2.3.
【中国标准分类号】:Q81
【国际标准分类号】:93_030
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforPolyurethaneRawMaterials:DeterminationofSpecificGravityofPolyols
【原文标准名称】:聚氨酯原材料用标准试验方法:多元醇的比重测定
【标准号】:ASTMD4669-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:醇;测定;塑料;聚氨酯;相对密度;测试
【英文主题词】:Alcohols;Determination;Plastics;Polyurethane;Relativedensity;Testing
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:83_040_30;83_080_20
【页数】:2P;A4
【正文语种】:英语