【英文标准名称】:Acceptancesamplingproceduresbyattributes-Accept-zerosamplingsystembasedoncreditprincipleforcontrollingoutgoingquality
【原文标准名称】:按属性验收取样规程.基于控制出厂质量信用原则的验收零取样系统
【标准号】:ISO18414-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-01
【实施或试行日期】:
【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】:合格性;合格质量级;验收;验收(鉴定);总量;合格质量级值;批量大小;批量检验;批量;特性;消费者与供货者的关系;缺陷;定义;误差;检验;计数检查;规程;质量保证;质量控制;质量管理;随机试样;样品试验;抽样方法;抽样表;统计方法分析;统计质量控制;统计学;试验;单位
【英文主题词】:Acceptability;Acceptablequalitylimits;Acceptance;Acceptance(approval);Amount;AQL-value;Batchsize;Batchtesting;Batches;Characteristics;Consumer-supplierrelations;Defects;Definitions;Errors;Inspection;Inspectionbyattributes;Procedures;Qualityassurance;Qualitycontrol;Qualitymanagement;Randomsamples;Sampletests;Samplingmethods;Samplingtables;Statisticalmethodsofanalysis;Statisticalqualitycontrol;Statistics;Testing;Units
【摘要】:1.1ThisInternationalStandardspecifiesasystemofsinglesamplingschemesforlot-by-lotinspectionbyattributes.Allthesamplingplansofthepresentsystemareofaccept-zeroform,i.e.nolotisacceptedifthesamplefromitcontainsoneormorenonconformingitems.Theschemesdependonasuitably-definedaverageoutgoingqualitylimit(AOQL),thevalueofwhichischosenbytheuser;norestrictionsareplacedonthechoiceofthevalueoftheAOQLoronthesizesofsuccessivelotsintheseries.Themethodologyensuresthattheoverallaveragequalityreachingthecustomerormarket-placewillnotexceedtheAOQLinthelongrun.1.2Theschemesareintendedtoinduceasupplier,throughtheeconomicandpsychologicalpressureoflotnon-acceptanceandconsequentlossofaccumulatedcredit,toattempttomaintainanonconformity-freeprocess,whileassuring,bymeansofthelowestpracticablesamplesizes,thatthelong-termpercentageofnonconformingitemsdeliveredtothecustomerormarket-placedoesnotexceedtheAOQL.Thisobjectiveisachievedbyaprogressivereductioninthesamplesizeinresponsetogoodqualityhistory.1.3Theschemesaredesignedtobeappliedtoaseriesoflotsfromeachsupplier.Thecreditprincipleprovides:a)automaticprotectiontothecustomerifadeteriorationinqualityisdetected,bymeansofatotallossofaccumulatedcreditandreversiontoarelativelylargesamplesizewheneveranonconformingitemisfound,and100%inspectionof1)thefirstlotifitisnotaccepted,or2)anynon-acceptedlotthatimmediatelyfollowsanon-acceptedlot;b)anincentivetoreducesamplingcosts(bymeansofaprogressivereductioninrequiredsamplesize)ifconsistentlygoodqualityisachieved.1.4ThisInternationalStandardisdesignedforuseunderthefollowingconditions:a)wheretheinspectionprocedureistobeappliedtoaseriesoflotsofdiscreteitemsthatareintendedtobeidentical,andwhichareallsuppliedbyoneproducerusingoneproductionprocess(Iftherearedifferentproducersorproductionprocesses,thisInternationalStandardisintendedtobeappliedtoeachoneseparately.);b)whereoneormorequalitycharacteristicsoftheseproductsaretakenintoconsideration,whichmustallbeclassifiableaseitherconformingornonconforming;c)wheretheinspectionerrorinvolvedinclassifyingthestateofaproduct'squalitycharacteristic(s)isnegligible;d)whereinspectionisnon-destructive.ThisInternationalStandardcanbesuitableforregulatorypurposes,ascontroloftheexpectedqualityofitemsreachingthemarket-placeisachievedwiththesmallestpossiblesamplesizes,andlong-termcontroloftherealized,oractualqualitylevelinthemarket-placeisachievedwithcertainty,regardlessofhowlongorshortindividualsuppliers'seriesmaybe.ThisInternationalStandardcanbeusedbysuppliers/producers,buyers/consumersandregulatoryagenciestoprovidecontroloftheexpectedqualityofthetotalityofacceptedproductofeachtypefromeachsource.
【中国标准分类号】:A41
【国际标准分类号】:03_120_30
【页数】:9P;A4
【正文语种】:英语