ISO 2859-1 1999 按属性进行检验的抽样程序第一部分 按每批检验的验收质量限(AQL)对抽样方案进行索引(英文版).pdf

2859,ISO,抽样,检验,国外及港澳台标准
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INTERNATIONAL STANDARD

attributes- Samplingproceduresforinspectionby

Part 1: Samplingschemesindexedbyacceptancequality limit(AQL)forlot-by-lotinspection

Regles d’echantillonnage pour les controles par attributs -

Partie1:Procedures dechantilonnage pourles controleslot parlot indexes d’apres le niveau de qualite acceptable (NQA)

Contents

1 Scope2 Normative references..23 Terms definitions and symbols. ..24 Expression of nonconformity...5 Acceptance quality limit (AQL).... ..86 Submission of product for sampling.- ...7 Acceptance and non-acceptance.......98 Drawing of samples......9 Normal tightened and reduced inspection... ..1010 Sampling plans . ..311 Determination of acceptability .1412Further information ..14...16

Tables

1 Sample size code letters. ..192-A Single sampling plans for normal inspection (Master table) ...202-B Single sampling plans for tightened inspection (Master table)- ...212-C Single sampling plans for reduced inspection (Master table).... .223-A Double sampling plans for normal inspection (Master table)... ..33-B Double sampling plans for tightened inspection (Master table)..3-C Double sampling plans for reduced inspection (Master table).. ...54-A Multiple sampling plans for normal inspection (Master table). ..26...29

@ISO 1999

4-C Multiple sampling plans for reduced inspection (Master table).. ...25-A Producer's risk for normal inspection......5-B Producer's risk for tightened inspection.......5-C Producer's risk for reduced inspection .....6-A Consumer's risk quality for normal inspection.6-B Consumer's risk quality for tightened inspection. ..9.6-C Consumer's risk quality for reduced inspection ..7-A Consumer's risk quality for normal inspection...7-B Consumer's risk quality for tightened inspection...7-C Consumer's risk qualityfor reduced inspection.8-B Average outgoing quality limits for tightened inspection (Single sampling plans) .inspe.tion.....10-A Tables for sample size code letter A (lndividual plans)...10-B Tables for sample size code letter B (Individual plans)..10-C Tables for sample size code letter C (Individual plans). .5210-D Tables for sample size code letter D (Individual plans).10-E Tables for sample size code letter E (Individual plans) .10-F Tables for sample size code letter F (Individual plans).10-G Tables for sample size code letter G (Individual plans).10-H Tables for sample size code letter H (Individual plans)-10-J Tables for sample size code letter J (Individual plans).10-K Tables for sample size code letter K (Individual plans).10-L Tables for sample size code letter L (lndividual plans)...10-M Tables for sample size code letter M (Ilndividual plans).10-N Tables for sample size code letter N (Individual plans)..10-P Tables for sample size code letter P (Individual plans). .710-Q Tables for sample size code letter Q (Individual plans)10-R Tables for sample size code letter R (Individual plans)10-S Tables for sample size code letter S (Individual plans)

11-A Single sampling plans for normal inspection (Auxiliary master table). 8111-B Single sampling plans for tightened inspection (Auxiliary master table). 8212 Scheme OC curves (Normalized)... .84Annex A (informative) Example for non-constant sampling plan . .85Bibliography... Z8

Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISOthe right to be represented on that mittee. International organizations governmental and non-governmental inCommission (IEC) on all maftters of electrotechnical standardization.

Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.

International Standard ISO 2859-1 was prepared by Technical Committe ISO/TC 69 Applications of statisticalmethods Submite SC 5. Acceptance sampling-

This second edition of ISO 2859-1 cancels and replaces the first edition (ISO 2859-1:1989) of which it constitutes atechnical revision.

Significant changes in this edition include:

-- a new procedure for switching from normal to reduced inspection;-- a reference to skip-lot sampling as an alternative to reduced inspection;- the term "limiting quality" has been changed to *consumer's risk quality* in the heading of Tables 6-A 6-B 6-C 7-A 7-B and 7-C;-a new table has been added giving producer's risk as the probability of rejection of lots with percentnonconforming equal to the AQL;-optional fractional acceptance number plans have been added; the purpose of these plans is to provide afractional acceptance number plans are found in Tables 11-A 11-B and 11-C where they take the place of thearrows in the corresponding positions in tables 2-A 2-B and 2-C;-- reduced plans have been changed to eliminate the gap between the acceptance and rejection numbers;- some changes have been made to the double sampling plans to provide a smaller average sample size; seunoo ju u ezis edwes ae eews e sued mau eu jo ewo ezis des ae the previous edition;

- scheme operating characteristic curves have been added as Table 12.

ISO 2859 consists of the following parts under the general title Sampling procedures for inspection by aributes:

-Part 0: Introduction to the ISO 2859 attribute sampling system

- Part 1 : Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection

Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection

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