ANSI/EIA-448-2A-2000 机电元件的试验标准.机械钎焊的环境影响
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【英文标准名称】:TestStandardforElectromechanicalComponentsEnvironmentalEffectsofMachineSoldering
【原文标准名称】:机电元件的试验标准.机械钎焊的环境影响
【标准号】:ANSI/EIA-448-2A-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电子工程;试验;机电学
【英文主题词】:Components;Electromechanical;Electromechanics;Electronicengineering;Electronicproducts;Environmentalaspects;Environmentaleffects;Machines;Soldering;Testing;Tests
【摘要】:Evaluateslectromechanicalcomponents,whichhavebeensubjectedtotheenvironmentaleffectsofmachinesolderingandtheassociatedfluxing,preheatingandcleaningoperations.
【中国标准分类号】:K31
【国际标准分类号】:31_220_99
【页数】:
【正文语种】:英语
【英文标准名称】:Roundsteellinkchains-Conveyorchains-Part1:Grade2,casehardened
【原文标准名称】:圆形钢制扁节链条.传送链条.第1部分:2级.表面硬化
【标准号】:DIN5698-1-2001
【标准状态】:现行
【国别】:德国
【发布日期】:2001-10
【实施或试行日期】:2001-10-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:连续输送机;千斤顶;扁节链;作标记;输送机;试验;钢链条;圆钢链条;试样;提升装置;链条;检验;尺寸;重量;安全;公差(测量);定义;安全要求;设备安全;规范(验收)
【英文主题词】:
【摘要】:Thedocumentspecifiesdimensions,mechanicalpropertiesandtestproceduresforshortlink,casehardened,finetoleranceconveyorchainsintherangefrom10to42mmnominaldiameter.#,,#
【中国标准分类号】:J18
【国际标准分类号】:53_040_20
【页数】:9P;A4
【正文语种】:德语
【英文标准名称】:Doublesamplingplansbyattributeswithminimalsamplesizes,indexedbyproducer'sriskquality(PRQ)andconsumer'sriskquality(CRQ)
【原文标准名称】:厂方风险质量(PRQ)和消费者风险质量(CRQ)索引,用最少样本量属性的二重抽样计划
【标准号】:ISO28801-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-03-15
【实施或试行日期】:2011-03-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC69
【标准类型】:()
【标准水平】:()
【中文主题词】:验收(鉴定);应用;消费者与供货者的关系;缺陷与故障;定义(术语);落纱缸;误差;检验;计数检查;质量保证;质量控制;质量水平;质量管理;随机试样;风险;样本量;样品试验;抽样方法;抽样方案;统计方法分析;统计质量控制;统计学;供应商风险;单位
【英文主题词】:Acceptance(approval);Applications;Consumer-supplierrelations;Defects;Definitions;Doffingcylinders;Errors;Inspection;Inspectionbyattributes;Qualityassurance;Qualitycontrol;Qualitylevel;Qualitymanagement;Randomsamples;Risk;Samplesizes;Sampletests;Samplingmethods;Samplingplan;Statisticalmethodsofanalysis;Statisticalqualitycontrol;Statistics;Supplierrisk;Units
【摘要】:ThisInternationalStandardprovidesdoublesamplingplansbyattributesfortheacceptanceinspectionoflotsofdiscreteitems.Theplansareindexedbytheproducer'sriskquality(PRQ)andtheconsumer'sriskquality(CRQ)wherethenominalproducer'sandconsumer'srisksarerespectivelyeither(5%,5%),(5%,10%)or(10%,10%).Plansareprovidedforinspectionforpercentnonconformingandforinspectionfornonconformitiesper100items.Thelotisacceptediftherearenononconformingitems(nonconformities)inthefirstrandomsample,andrejectedifitcontainstwoormorenonconformingitems(nonconformities).Ifpreciselyonenonconformingitemisfoundinthefirstsample,asecondrandomsampleisdrawn;thelotisthenacceptedifthesecondsamplecontainsnononconformingitems(nonconformities)andrejectedotherwise.TheobjectiveofthisInternationalStandardistoprovideproceduresthatenablelotdispositiontobedeterminedquicklyandeconomicallyifqualityisparticularlygoodorbad.Forintermediatequality,asecondsampleisdrawninordertobeabletodiscriminatemorereliablybetweenacceptableandunacceptablelots.Thetwosamplesizesarechosentominimizethemaximumexpectedsamplesizewithrespecttoincomingqualitysubjecttothenominalrisksnotbeingexceeded.Similarly,theplansmaybeusedtotestthehypothesisthatalotorprocessqualitylevelisequaltothePRQ(i.e.acceptable)againstthealternativehypothesisthatthequalitylevelisequaltotheCRQ(i.e.unacceptable).Theplansarepreferabletosinglesamplingplanswherethecostofinspectionishigh,wherethedelayanduncertaintycausedbythepossiblerequirementforsecondsamplesisinconsequentialandwherearelativelylargeratiooftheconsumer'sriskqualitytotheproducer'sriskqualitycanbetolerated.Theplansaresuitableforisolatedlotsorforshortseriesoflots,wherethesumofthetwosamplesizesisnolargerthanabout10%ofthesizeofthelot.Theplansarealsosuitableforcontinuingseriesoflotswhenlotsthatfailtosatisfytheacceptancecriteriaare100%inspectedandallnonconformingitemsreplacedbyconformingitems;however,forcontinuingseriesoflots,considerationshouldalsobegiventousingdoublesamplingplansfromISO2859-1.Thestatisticaltheoryunderlyingtheplans,tablesandfiguresisprovidedinAnnexA.
【中国标准分类号】:
【国际标准分类号】:03_120_30
【页数】:78P.;A4
【正文语种】:英语
