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GB/T 2828.4-2008: Sampling procedures for inspection by attributes -- Part 4: Procedures for assessment of declared quality levels
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Sampling procedures for inspection by attributes -- Part 4: Procedures for assessment of declared quality levels
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GB/T 2828.4-2008
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Basic data | Standard ID | GB/T 2828.4-2008 (GB/T2828.4-2008) | | Description (Translated English) | Sampling procedures for inspection by attributes -- Part 4: Procedures for assessment of declared quality levels | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A41 | | Classification of International Standard | 03.120.30 | | Word Count Estimation | 23,281 | | Date of Issue | 2008-07-28 | | Date of Implementation | 2009-01-01 | | Older Standard (superseded by this standard) | GB/T 14162-1993; GB/T 14437-1997 | | Quoted Standard | GB/T 321; GB/T 2828.1-2003; GB/T 2828.2-2008; GB/T 2828.3-2008; GB/T 15482; GB/T 2828.4-2008; GB/T 16306-2008; ISO 3534-1-2006; ISO 3534-2-2006 | | Adopted Standard | ISO 2859-4-2002, MOD | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 12 of 2008 (No. 125 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the sampling programs and assessment procedures used to assess an overall (batch or procedure, etc.) meets the quality level of the quality level of a claim. Design of these sampling plan is to make the denial of a qualified general (batch) risk control at 5%, so do not deny the actual quality level of declared quality levels fail LQR times overall (D) (see Chapter 4) risk was 10%. GB/T 2828 's This section provides four levels of discrimination sampling plan. And GB/T 2828 other parts of the different procedures, the procedures in this section can not be used for batch acceptance sampling. GB/T 2828 can be used in this part of the various forms of quality checks. | GB/T 2828.4-2008: Sampling procedures for inspection by attributes -- Part 4: Procedures for assessment of declared quality levels
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Sampling procedures for inspection by attributes Part 4. Procedures for assessment of declared quality levels
ICS 03.120.30
A41
National Standards of People's Republic of China
Replacing GB/T 14437-1997, GB/T 14162-1993
Sampling procedures for inspection
Part 4. Procedures for assessment of declared quality levels
(ISO 2859-4.2002, MOD)
Posted 2008-07-28
2009-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms, definitions and symbols 2
3.1 Terms and definitions 2
3.2 Symbols and abbreviations 3
4 Principle 3
5 declared quality level 4
6 sampling plan 5
6.1 LQR (limit mass ratio) level 5
Select 8 6.2 Sampling Plan
7 implementation of sampling procedures 8
7.1 determine the overall verification 8
7.2 determine the technical performance per unit of product, quality characteristics and requirements 8
7.3 determine the classification of non-conforming products 8
7.4 provisions declared quality level 8
7.5 provisions LQR level 8
7.6 Retrieving sampling plan 8
Take samples 8 7.7
7.8 Test Sample 9
Disposal of non-conforming products 7.9 9
7.10 Criteria 9
Review 9 7.11
8 9 Additional Information
8.1 represents the approximate probability sampling failed curve 9
8.2 Table 10 shows that the ability to distinguish
Appendix A (normative) declared quality level DQL case 13 is equal to 0
Example 14 Appendix B (informative) Use of this standard
Annex C (informative) of ISO 2859-4.2002 to modify the description of 16
References 17
Foreword
GB/T 2828 "Sampling procedures for inspection" now includes the following sections, the structure and the corresponding international standards and national standard will be replaced
Quasi is.
--- Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (ISO 2859-1.1999, IDT; instead of
GB/T 2828-1987)
--- Part 2. Press the limiting quality (LQ) for isolated lot inspection retrieved sampling programs (ISO 2859-2. 1985, NEQ; instead of
GB/T 15239-1994)
--- Part 3. skip-lot sampling procedures (ISO 2859-3.2005, IDT; instead of GB/T 13263-1991)
--- Part 4. claiming that the level of quality assessment procedures (ISO 2859-4.2002, MOD; instead of GB/T 14437-1997 and
GB/T 14162-1993)
--- Part 5. by acceptance quality limit [AQL] sequential sampling test batch retrieval system program (corresponding to ISO 2859-5.2005)
--- Part 10. Sampling system description (corresponding to ISO 2859-10.2006)
--- Part 11. Small claims overall level of quality assessment procedures (instead of GB/T 15482-1995)
This section GB/T 2828 Part 4.
GB/T 2828 to modify this part of the international standard ISO 2859-4.2002 "Sampling procedures for inspection - Part 4. quality claims
Volume level of assessment procedures. " This part of ISO 2859-4.2002 compared to changes in the technical content include.
--- Increased L = 0 sampling plan in Table 1 sampling plan master table;
--- Adds like LQR level in Table 1 sampling plan in the primary table Ⅰ = 8, like = 5 like = 3 sampling plan, LQR level Ⅱ Increasing
Plus a sampling program like = 8;
--- Increased L = 0 Sampling Plans "limiting quality ratio (LQR) and error determining eligibility verification for the overall sampling failed
Probability table "that Table 2;
--- Increased L = 0 sampling plan "values \u200b\u200bfor different mass ratios sentenced sampling failure probability table" that Table 6;
--- Increase the "value judgments of different mass ratio of sampling failure probability curve" L = 0 sampling scheme in Figure 1;
--- Increased DQL = 0 is discussed in Appendix A.
This Part replaces GB/T 14437-1997 "counted once Supervision sampling procedures and sample forms" and GB/T 14162-1994
"Count Supervision sampling procedures and sample forms." This portion of the GB/T 14437-1997 compared to the main changes in the technical content
To include.
--- According to GB/T 1.1-2000 "Standardization Guide Part 1. Standard structure and write rules," the requirements of the standard format
It has been modified;
--- Increased DQL = 0 is discussed;
--- Increasing the content can be used per 100 units of product failure number of quality indicators;
--- Increased operating characteristic curves and tables sampling programs;
--- Increased retest, retest, review and verification of the efficacy of sampling defined;
--- Special emphasis on this standard can be applied in addition to the final products, components and raw materials, but also can be used to operate in the product library
Deposit products, maintenance operations, data or records management program.
Appendix A of this section is normative appendix, Appendix B and Appendix C are informative appendices.
This part is proposed by the China National Institute of Standardization.
This part of the application by the National Standardization Technical Committee centralized statistical methods.
This section drafted by. China National Institute of Standardization, China Aerospace Science and Industry Corporation II Institute, the Guangdong Provincial Administration for Industry and Commerce, China
Academy of Mathematics and Systems Science Research Institute, Guangzhou Product Quality Supervision, Inspection and People's Liberation Army Ordnance Engineering College.
The main drafters of this section. YU Zhen Fan, Zhao Guanghua, Chen Huai industry, hospitality, Dingwen Xing, Deng Suixing Party of China, Ma Yilin, Zhang Yuzhu.
This standard replaces the previous standard release case.
Sampling procedures for inspection
Part 4. Procedures for assessment of declared quality levels
1 Scope
This section GB/T 2828, as defined by the sampling plan and assessment procedures for the assessment of a general (or batch processes, etc.) level of quality
It meets a declared quality level. The design of these programs is to enable sampling negative overall (batch) of the risk that a qualified controlled at 5%
So as not to negate the actual quality level is the quality level of the claimed failure LQR times overall (batch) (see Chapter 4) the risk was 10%.
This section GB/T 2828 provides four levels of discrimination sampling plan.
And GB/T 2828 in other parts of the program, the present part of the program can not be used for acceptance sampling batch. GB/T 2828 this Part
Points can be used for all forms of quality verification. Including the use of sample test results illustrate a general verification of compliance with certain quality claims
Level occasions.
This section GB/T 2828 is adapted to allow the verification drawn from a random sample of the population by the number of units of the product composition of the case.
GB/T 2828 sampling scheme provided in this section may be used (but not limited to) the following test a variety of products, such as.
---Final product;
--- Parts and raw materials;
---operating;
--- In the article;
--- Inventory;
--- Maintenance operations;
--- Data or records;
--- Management procedures.
This section is used, when the inspection unit product into quality products and defective products, the overall verification of a non-conforming products
Case number or percent nonconforming.
For the case of several defective or substandard products per hundred numbers, by slight changes may also be used in this section, these changes are necessary.
--- A "rejection number" instead of "number of rejects";
--- In "per hundred units rejection number" instead of "percent nonconforming (per hundred units or the number of nonconforming product)."
In this case, Tables 2 to 9 given in the table values \u200b\u200bis only approximate.
This section Tables 2 through 9 are given in the table value is calculated using the binomial distribution. When the verification of the overall volume of less than 250, or the overall verification
10.00, by this part of the sampling plan is retrieved and the approximate amount of the sample is greater than. The method according to GB/T 15482 stipulated
Determined sampling plan.
2 Normative references
The following documents contain provisions by GB/T 2828 to become a reference in this Part of the provisions of this section. For dated references,
All subsequent amendments (not including errata content) or revised edition are not suitable for this part. However, to encourage an agreement under this Part
Whether the parties can study the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 321 Priority number and priority number system
GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample
Programme (ISO 2859-1.1999, IDT)
GB/T 2828.2-2008 Sampling procedures for inspection - Part 2. Press the limiting quality (LQ) for isolated lot inspection sample retrieved Party
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