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【英文标准名称】:Electromechanicalswitchesforuseinelectricalandelectronicequipment-Part1:Genericspecification
【原文标准名称】:电子设备用机电开关.第1部分:总规范
【标准号】:IEC61020-1-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC23J
【标准类型】:()
【标准水平】:()
【中文主题词】:定义(术语);电气元件;电气工程;电气测试;机电的;机电学;电子工程;电子仪器;总规范;测量;测量技术;质量评定系统;质量保证;规范;规范(验收);开关;开关装置;测试
【英文主题词】:Definitions;Electricalcomponents;Electricalengineering;Electricaltesting;Electromechanical;Electromechanics;Electronicengineering;Electronicinstruments;Genericspecification;Measurement;Measuringtechniques;Qualityassessmentsystems;Qualityassurance;Specification;Specification(approval);Switches;Switchgear;Testing
【摘要】:
【中国标准分类号】:L22
【国际标准分类号】:29_120_40;31_220_20
【页数】:139P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforMeasurementofAsphaltShingleMechanicalUpliftResistance
【原文标准名称】:沥青盖屋板耐机械提升性测量的标准试验方法
【标准号】:ASTMD6381-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D08.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:asphaltshingle;factory-appliedsealant;field-appliedsealant;sealantbondstrength;shinglemechanicalupliftresistance;Asphaltroofingmaterials;Bondstrength--adhesives;Factory-appliedadhesive;Field-appliedadhesive;Mechanicalupliftresistan
【摘要】:Upliftresistanceisoneofthepropertiesofanappliedshinglethatrelatestoitsabilitytowithstandwindforces.Themechanicaltestsdescribedarelaboratorymethodstomeasurethatresistanceatadesignatedtemperatureaftertheshingleshavebeensealedunderdesignatedconditions.Noquantitativerelationshiphasbeenestablishedbetweenthemechanicalupliftresistanceandupliftforcesduetothewind.Manyfactorsinfluencethesealingcharacteristicsofshinglesinthefield;forexample,temperature,time,contaminationbydirtanddebris,roofslope,andinterferencebymisplacedfasteners.Itisnottheobjectiveofthistestmethodtoaddressalloftheseinfluences.Thistestmethodisdesignedtodeterminethemechanicalupliftresistancewhenrepresentativespecimensofshinglesaresealedunderselectedconditionspriortotesting.ProcedureAproduceslowerresultsthanProcedureB.ProcedureAprovidesanedge-liftloadvalueandProcedureBprovidesaperpendicularloadvalue.Theprocedureapplicabletoaspecificproductdependsonthespecificproductdesign,geometry,andrigidity.Itistheresponsibilityoftheuserofthistestmethodtodeterminetheappropriateprocedurewithreferencetothespecificproductandapplication.Itispossiblethatengineeringcalculationswouldrequirebothprocedurestobeemployed,andforbothresultstobeusedinthecalculationoftheresistanceofthatspecificproducttotheeffectsofwind.WhenusingthismethodinconjunctionwithTestMethodD7158todeterminetheupliftresistanceofshinglesaspartofthedeterminationofwindresistanceoftheshingles,determinetheappropriateprocedure(ProcedureA,ProcedureB,orboth)inaccordancewiththediscussion,andexamples,ofshinglegeometryandsealantconfigurationinSection12.2ofTestMethodD7158.1.1Thistestmethodcoversmeasuringtheupliftresistanceofasphaltroofingshinglesbymechanicalmeans.Itisapplicabletoshinglesthatuseafactory-appliedorfield-appliedsealant.1.2Thereareseveraltypesofshinglesdesignedforservicewithoutafactory-appliedorfield-appliedsealant.Theseshingles,whenappliedinaccordancewiththemanufacturers''applicationinstructions,employothermeanstoprovideresistanceagainsttheforcesgeneratedbytheactionofwindsuchasgeometryandshingleconstruction.Fieldexperiencehasshownthatthesetypesofshinglesfunctionsatisfactorilyinservice.Becausethereareavarietyoftheseshingledesigns,itisnotpracticaltodescribeinthistestmethodhowtotesttheseshinglesforupliftresistance.Thetestingofthesetypesofshingles,therefore,goesbeyondthescopeofthistestmethod.1.3Thistestmethoddescribestwoproceduresformeasuringshingleupliftresistance.ProcedureAemploysaspeciallydesignedapparatuswithaclampingdevicewhichfacilitatesliftingoftheedgeoftheshingleandmeasuringtheforcerequiredtobreaktheseal.ProcedureBemploysametalx201C;Tx201D;sectionadheredtotheweathersurfaceoftheshingletofacilitateapplicationandmeasurementofaperpendicularforcetobreaktheseal.1.4Itisnotprohibitedtousethistestmethodoverarangeofsealingtimeandtemperaturecombinationsandtestingtemperaturestosimulateavarietyofactualfielduseconditions.Thetimesandtemperaturesusedshallbestatedinthereport.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddress......
【中国标准分类号】:Q17
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】:英语