NF C18-477-2005 带电作业.使用工具、器件和设备的最低要求
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来源:标准资料网
【英文标准名称】:Liveworking-Minimumrequirementsfortheutilizationoftools,devicesandequipment.
【原文标准名称】:带电作业.使用工具、器件和设备的最低要求
【标准号】:NFC18-477-2005
【标准状态】:作废
【国别】:法国
【发布日期】:2005-07-01
【实施或试行日期】:2005-07-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:最低要求;电压;带电作业;防电击;工作场所安全;机械性能;职业安全;工具;工具;信息;维修;设备;应用;电气安全;电气工程;安全;定义;特性;作标记;规范(验收)
【英文主题词】:Bearings;Dangerzones;Definitions;Electricalengineering;Electricalsafety;Equipment;Implements;Information;Instruments;Liveworking;Maintenance;Marking;Mechanicalproperties;Minimumrequirements;Occupationalsafety;Production;Properties;Protectionagainstelectricshocks;Safety;Specification(approval);Tools;Transport;Use;Voltage;Workplacesafety
【摘要】:
【中国标准分类号】:F21
【国际标准分类号】:
【页数】:19P.;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforSolderabilityofMetallic-CoatedProducts
【原文标准名称】:金属涂覆产品的软钎焊性试验方法
【标准号】:ASTMB678-1986(2011)
【标准状态】:现行
【国别】:
【发布日期】:1986
【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】:B08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Inorderthatasoundsolderjointbeformedsimplyandquicklyinaproductionoperation,themoltensoldermustreadilywetandspreadoverthesurfacesoftheproductsbeingjoined.Forthistohappen,thesurfacesmustbecleanorbesoiledonlywithcontaminantsthatareeasilyremovedbyanappropriateflux.Itoftenisnecessarythatthefluxbeonlystrongenoughtoremovethenormallyoccurringsoils.Amoreaggressivefluxmaycorrodetheproductandhaveotherharmfuleffects.Nonactivatedrosininalcoholisthestandardfluxusedinthistestmethod;however,provisionismadefortheuseofotherfluxes.Sincerosinisamildflux,itprovidesbetterdiscriminationbetweenacceptableandunacceptablesolderabilityinmarginalcasesthandomoreactivefluxes.Metalliccoatingsarefrequentlyusedtoprovidesolderablesurfaces.But,animproperlyproducedcoatingmaynotyieldtherequiredsolderability.Therearemanycoatingdefectsthatcausepoorsolderabilityincludingporosity,codepositedimpurities,incorrectthickness,andsurfacecontamination.Itmaybedifficultorimpracticaltotestacoatingdirectlyforeachoftheundesirableconditions.Intheseinstancessolderabilityistested.Productsthatpassthesolderabilitytestcanbeexpectedtosoldersatisfactorilyinproduction.Inthecaseoffailuretopassthetest,thetestresultswillnotrevealthecauseoftheinadequatesolderability,though,withexperience,anoperatormaybeabletoidentifythecause.Thistestmethodmeasurestheabilityofacoatedproducttobesolderedwith60/40tin/leadsolderusinganonactivatedrosinflux.Thissolderandthisflux,oranactivatedformofit,aregenerallyusedintheassemblyofelectronicproducts.Itisintendedthatthetestedspecimensbecomponentsofelectronicproductsorarticleswiththesamegeneralshapeandmass.Articlesthataremuchmoremassivethanthiswillheatuptooslowlyduringthesolderimmersion.Ifmoremassivespecimensaretobetested,alongerimmersiontimewillhavetobeused,thetimetobedeterminedbyexperiment.Ifthespecimentestedislongerthan25mm,itsbottomendwillbeinthesolderforsignificantlylongerthanthespecifiedtime.Therefore,ifthespecimenislongerthan25mm,theresultsobtainedatthebottomendofthespecimenareinvalid.Thispartofthespecimenshallbediscountedintheevaluationoftheresults.Asecondsetoftestscanberunonadditionalspecimensinwhichthespecimensareonlypartlyimmersed.Thesewouldbeusedtoevaluatethebottomends.1.1Thistestmethodprovidesaprocedureforevaluatingthesolderabilityofmetallic-coatedproductsandtestspecimenstoassuresatisfactoryperformanceinmanufacturingprocessesrequiringsolderingwithsoft(tin-lead)solderandrosinflux.Thistestmethodisapplicableonlyfortestingcoatingsthatarenormallyreadilysolderablesuchas:tin,tin-leadalloy,silver,andgold.1.2Thistestmethodisqualitativeandbroadlyapplicable.Itiseasytoperformandrequiresonlysimpleequipment.Thereareothersolderabilitytestsnotcoveredbythistestmethodthataremoreapplicabletospecificsituations,yieldquantitativeresults,orboth.Severalaredescribedintheliterature.Thisisax201C;go-no-gox201D;testanddoesnotgradesolderabilityasexcellent,good,fair,andsoforth.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:25_160_50
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:Roadvehicles.Mechanicalcouplingsbetweentractorsandsemi-trailers.Requirementsforsemi-trailercontactareatofifthwheel
【原文标准名称】:道路车辆.牵引车和半拖挂车之间机械轴节.半拖挂车备用轮接触面积要求
【标准号】:BSISO1726-3-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-09-30
【实施或试行日期】:2010-09-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:球状联结器;离合器;商用道路车辆;耦合设备;悬挂连接器;定义(术语);紧固件;专用轮;互换性;力学;可置换性;道路车辆;半拖车牵引车;半挂车;规范(验收);测试;受牵引车辆;牵引车;挂车
【英文主题词】:Ballcouplings;Clutches;Commercialroadvehicles;Couplingequipment;Couplingsforconnecting;Definitions;Fasteners;Fifthwheels;Interchangeability;Mechanic;Replaceability;Roadvehicles;Semitrailertowingvehicle;Semi-trailers;Specification(approval);Testing;Towedroadvehicles;Tractors;Trailers
【摘要】:
【中国标准分类号】:T33
【国际标准分类号】:43_040_70
【页数】:14P;A4
【正文语种】:英语
