BS 6001-3-2005 Sampling procedures for inspection by attributes - Specification for skip-lot sampling procedures《计数抽样检验程序 跳批抽样程序规范》.pdf
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1、BRITISH STANDARD BS 6001-3:2005 ISO 2859-3:2005 Sampling procedures for inspection by attributes Part 3: Skip-lot sampling procedures ICS 03.120.30 BS 6001-3:2005 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 23 June 2005 BSI 23 June 2005 I
2、SBN 0 580 46214 5 National foreword This British Standard reproduces verbatim ISO 2859-3:2005 and implements it as the UK national standard. It supersedes BS 6001-3:1993 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee SS/5, Acceptance sampling schemes
3、, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section ent
4、itled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Complian
5、ce with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related intern
6、ational and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 29 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last
7、 issued. Amendments issued since publication Amd. No. Date CommentsReference number ISO 2859-3:2005(E) INTERNATIONAL STANDARD ISO 2859-3 Second edition 2005-05-01 Sampling procedures for inspection by attributes Part 3: Skip-lot sampling procedures Rgles dchantillonnage pour les contrles par attribu
8、ts Partie 3: Procdures dchantillonnage successif partiel ISO 2859-3:2005ii ISO 2859-3:2005iii Contents Page Foreword iv 1 Scope 1 2 Normative references . 1 3 Terms, definitions and symbols 1 3.1 Terms and definitions. 1 3.2 Symbols and abbreviated terms 3 4 General requirements . 3 5 Supplier and p
9、roduct qualification 4 5.1 Supplier qualification 4 5.2 Product qualification 5 5.3 Qualification score 6 5.4 Example for product qualification. 8 6 Skip-lot sampling procedures . 9 6.1 General. 9 6.2 Initial inspection frequency and its determination 11 6.3 Inspection frequency and shifting 11 6.4
10、Sampling plans, lot selection and inspection procedures (States 2 and 3) . 14 6.5 Skip-lot interruption 15 6.6 Requalification 16 6.7 Product disqualification . 16 6.8 Supplier disqualification and suspension 17 7 Supplier responsibilities 17 8 Inspection agency and responsible authority responsibil
11、ities 18 8.1 General. 18 8.2 Responsibilities on supplier qualification 19 8.3 Other responsibilities . 19 9 Compatibility with ISO 2859-1 20 9.1 Limitations . 20 9.2 Relation to reduced inspection . 20 10 Additional information 21 10.1 Design basis 21 10.2 Statistical characteristics of the skip-lo
12、t procedures . 21 Annex A (normative) Optional requirements to be agreed prior to product qualification 23 Annex B (normative) Procedures for random selection at specified inspection frequency 25 Annex C (informative) Factors used in deciding between skip-lot inspection and reduced inspection 27 Bib
13、liography . 29 ISO 2859-3:2005iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body inte
14、rested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnica
15、l Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the t
16、echnical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. I
17、SO shall not be held responsible for identifying any or all such patent rights. ISO 2859-3 was prepared by Technical Committee ISO/TC 69, Applications of statistical methods, Subcommittee SC 5, Acceptance sampling. This second edition cancels and replaces the first edition (ISO 2859-3:1991), which h
18、as been technically revised. ISO 2859 consists of the following parts, under the general title Sampling procedures for inspection by attributes: 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 is
19、olated lot inspection Part 3: Skip-lot sampling procedures Part 4: Procedures for assessment of declared quality levels Part 5: System of sequential sampling plans indexed by acceptance quality limit (AQL) for lot-by-lot inspection. Part 10: Overview of the ISO 2859 attribute sampling systems ISO 28
20、59-3:2005 1 Sampling procedures for inspection by attributes Part 3: Skip-lot sampling procedures 1 Scope This part of ISO 2859 specifies generic skip-lot sampling procedures for acceptance inspection by attributes. The purpose of these procedures is to provide a way of reducing the inspection effor
21、t on products of high quality submitted by a supplier who has a satisfactory quality assurance system and effective quality controls. The reduction in inspection effort is achieved by determining at random, with a specified probability, whether a lot presented for inspection will be accepted without
22、 inspection. This procedure extends the principle of the random selection of sample items already applied in ISO 2859-1 to the random selection of lots. The skip-lot sampling procedures specified in this part of ISO 2859 are applicable to, but not limited to, inspection of a) end items, such as comp
23、lete products or sub-assemblies, b) components and raw materials, and c) materials in process. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest ed
24、ition of the referenced document (including any amendments) applies. ISO 2859-1:1999, Sampling procedures for inspection by attributes Part 1:Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection ISO 3534-1, Statistics Vocabulary and symbols Part 1: Probability and gen
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