ISO/TS 10303-1049-2004 工业自动化系统和集成.产品数据表示和交换.第1049部分:应用模式:活动方法

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【英文标准名称】:Colletswith8°settinganglefortoolshanks-Collets,nutsandfittingdimensions
【原文标准名称】:刀具柄用带8°调整角的夹头夹头、螺母和配合尺寸
【标准号】:ISO15488-1996
【标准状态】:作废
【国别】:国际
【发布日期】:1996-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:工具;材料;作标记;刀具柄;倾角;名称与符号;形状;刀具夹持装置;夹盘;刀具夹具;弹簧夹头;夹头;设计;工具夹;尺寸;记录;扣紧螺母;机床部件;规范;夹具;调节
【英文主题词】:
【摘要】:
【中国标准分类号】:J52
【国际标准分类号】:25_060_20
【页数】:15P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforUseofProcessOrientedAOQLandLTPDSamplingPlans
【原文标准名称】:使用过程导向的平均质量检查最低限和批量允许不良率的抽样方案的标准实施规程
【标准号】:ASTME1994-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E11.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:averageoutgoingqualitylimit;lottolerancepercentdefective;sampling;samplingplans;AOQL(averageoutgoingqualitylimit)--samplingplans;Doublesamplingtable;LTPD(lottolerancepercentdefective);Sampling;Samplingdataanalysis/statistics;S
【摘要】:Twogeneraltypesoftables(Note1)aregiven,onebasedontheconceptoflottolerance,LTPD,andtheotheronAOQL.Thebroadconditionsunderwhichthedifferenttypeshavebeenfoundbestadaptedareindicatedbelow.Foreachofthetypes,tablesareprovidedbothforsinglesamplingandfordoublesampling.Eachoftheindividualtablesconstitutesacollectionofsolutionstotheproblemofminimizingtheover-allamountofinspection.Becauseeachlineinthetablescoversarangeoflotsizes,theAOQLvaluesintheLTPDtablesandtheLTPDvaluesintheAOQLtablesareoftenconservative.Note18212;TablesinAnnexA1-AnnexA4andpartsofthetextarereproducedbypermissionofJohnR.WileyandSons.Moreextensivetablesanddiscussionofthemethodswillbefoundinthattext.Thesamplingtablesbasedonlotqualityprotection(LTPD)(thetablesinAnnexA1andAnnexA2)areperhapsbestadaptedtoconditionswhereinterestcentersoneachlotseparately,forexample,wheretheindividuallottendstoretainitsidentityeitherfromashipmentoraservicestandpoint.Thesetableshavebeenfoundparticularlyusefulininspectionsmadebytheultimateconsumerorapurchasingagentforlotsorshipmentspurchasedmoreorlessintermittently.Thesamplingtablesbasedonaveragequalityprotection(AOQL)(thetablesinAnnexA3andAnnexA4)areespeciallyadaptedforusewhereinterestcentersontheaveragequalityofproductafterinspectionratherthanonthequalityofeachindividuallotandwhereinspectionis,therefore,intendedtoserve,ifnecessary,asapartialscreenfordefectivepieces.Thelatterpointofviewhasbeenfoundparticularlyhelpful,forexample,inconsumerinspectionsofcontinuingpurchasesoflargequantitiesofaproductandinmanufacturingprocessinspectionsofpartswheretheinspectionlotstendtolosetheiridentitybymergerinacommonstoreroomfromwhichquantitiesarewithdrawnonorderasneeded.Theplansbasedonaveragequalityprotection(AOQL)considerthedegreetowhichtheentireinspectionprocedurescreensoutdefectivesintheproductsubmittedtotheinspector.Lotsacceptedbysampleundergoapartialscreeningthroughtheeliminationofdefectivesfoundinsamples.Lotsthatfailtobeacceptedbysamplearecompletelyclearedofdefectives.Obviously,thisrequiresanondestructivetest.Theover-allresultissomeaveragepercentdefectiveintheproductasitleavestheinspector,termedtheaverageoutgoingquality,whichdependsonthelevelofpercentdefectiveforincomingproductandtheproportionoftotaldefectivesthatarescreenedout.Givenaspecificproblemofreplacinga100%screeninginspectionbyasamplinginspection,thefirststepistodecideonthetypeofprotectiondesired,toselectthedesiredlimitofpercentdefectivelottolerance(LTPD)orAOQLvalueforthattypeofprotection,andtochoosebetweensingleanddoublesampling.Thisresultsintheselectionofoneoftheappendedtables.Thesecondstepistodeterminewhetherthequalityofproductisgoodenoughtowarranttheintroductionofsampling.Theeconomiesofsamplingwillberealized,ofcourse,onlyinsofarasthepercentdefectiveinsubmittedproductissuchthattheacceptancecriteriaoftheselectedsamplingplanwillbemet.Astatisticalanalysisofpastinspectionresultsshouldfirstbemade,therefore,inordertodetermineexistinglevelsandfluctuationsinthepercentdefectiveforthecharacteristicorthegroupofcharacteristicsunderconsideration.Thisprovidesinformationwithrespecttothedegreeofcontrolaswellastheusuallevelofpercentdefectivetobeexpectedunderexistingconditions.Determineavaluefromthisandotherinformationfortheprocessaverage