【英文标准名称】:Non-destructivetesting-Imagequalityofradiographs-Imagequalityindicators(wiretype)-Determinationofimagequalityvalue
【原文标准名称】:无损检验.射线照相的图象质量.图象质量指示器(线型)图象质量数值的确定
【标准号】:BSEN462-1-1994
【标准状态】:现行
【国别】:英国
【发布日期】:1994-04-15
【实施或试行日期】:1994-04-15
【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】:选择;试验设备;辐射摄影术;质量;作标记;外观检查(试验);金属线;放射性试验;摄影图像;直径;尺寸公差;无损检验;名称与符号
【英文主题词】:Designations;Determination;Dimensions;Imagequality;Imagequalityindicators;Imagequalityvalues;Marking;Materialstesting;Non-destructivetesting;Photographicimages;Quality;Radiographs;Radiography;Use
【摘要】:OtherdevicesarethesubjectofParts2and5ofthestandard.
【中国标准分类号】:H26
【国际标准分类号】:19_100
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:Geometricalproductspecifications(GPS).Inspectionbymeasurementofworkpiecesandmeasuringequipment.GuidancefortheestimationofuncertaintyinGPSmeasurement,incalibrationofmeasuringequipmentandinproductverification
【原文标准名称】:产品几何量技术规范(GPS).工件与测量设备的测量检验.GPS测量中,测量设备校准中和产品检验中不确定度的评估指南
【标准号】:BSENISO14253-2-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-05-31
【实施或试行日期】:2011-05-31
【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】:
【英文主题词】:Assessment;Calibration;Definitions;Dimensionalmeasurement;Estimation;Geometricalproductspecification;Geometry;GPS;Guidebooks;Measurement;Measuringequipment;Measuringincertainity;Measuringinstruments;Measuringresults;Measuringtechniques;Normal;Productspecifications;Producttests;Products;Qualitymanagement;Specification(approval);Testing;Uncertainties;Verification;Workpieces
【摘要】:ThispartofISO14253givesguidanceontheimplementationoftheconceptofthe“Guidetotheestimationofuncertaintyinmeasurement”(inshortGUM)tobeappliedinindustryforthecalibrationof(measurement)standardsandmeasuringequipmentinthefieldofGPSandthemeasurementofworkpieceGPScharacteristics.Theaimistopromotefullinformationonhowtoachieveuncertaintystatementsandprovidethebasisforinternationalcomparisonofmeasurementresultsandtheiruncertainties(relationshipbetweenpurchaserandsupplier).ThispartofISO14253isintendedtosupportISO14253-1.BothpartsarebeneficialtoalltechnicalfunctionsinacompanyintheinterpretationofGPSspecifications[i.e.tolerancesofworkpiececharacteristicsandvaluesofmaximumpermissibleerrors(MPEs)formetrologicalcharacteristicsofmeasuringequipment].ThispartofISO14253introducestheProcedureforUncertaintyMAnagement(PUMA),whichisapractical,iterativeprocedurebasedontheGUMforestimatinguncertaintyofmeasurementwithoutchangingthebasicconceptsoftheGUM.Itisintendedtobeusedgenerallyforestimatinguncertaintyofmeasurementandgivingstatementsofuncertaintyfor:-singlemeasurementresults;-thecomparisonoftwoormoremeasurementresults;-thecomparisonofmeasurementresults—fromoneormoreworkpiecesorpiecesofmeasurementequipment—withgivenspecifications[i.e.maximumpermissibleerrors(MPEs)forametrologicalcharacteristicofameasurementinstrumentormeasurementstandard,andtolerancelimitsforaworkpiececharacteristic,etc.],forprovingconformanceornon-conformancewiththespecification.Theiterativemethodisbasedbasicallyonanupperboundstrategy,i.e.overestimationoftheuncertaintyatalllevels,buttheiterationscontroltheamountofoverestimation.Intentionaloverestimation—andnotunderestimation—isnecessarytopreventwrongdecisionsbasedonmeasurementresults.Theamountofoverestimationiscontrolledbyeconomicalevaluationofthesituation.Theiterativemethodisatooltomaximizeprofitandminimizecostinthemetrologicalactivitiesofacompany.Theiterativemethod/procedureiseconomicallyself-adjustingandisalsoatooltochange/reduceexistinguncertaintyinmeasurementwiththeaimofreducingcostinmetrology(manufacture).Theiterativemethodmakesitpossibletocompromisebetweenrisk,effortandcostinuncertaintyestimationandbudgeting.
【中国标准分类号】:A52
【国际标准分类号】:17_040_01
【页数】:82P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 塑料挤压模具 固定板 |
| 中标分类： |
航空、航天 >>
航空器与航天器制造用设备 >>
模具 |
| ICS分类： |
机械制造 >>
无屑加工设备 >>
模制设备和铸造设备
|
| 发布日期： | 1984-09-05 |
| 实施日期： | 1986-03-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 1页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 航空 航天 航空器与航天器制造用设备 模具 机械制造 无屑加工设备 模制设备和铸造设备