GB/T 34053.2-2017 in English
VALIDSpecifications of quality inspection for printed paper products―Part 2:Sampling and judging rules
- Issued on:2017-12-29
- Implemented on:2019-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$97.00
《GB/T 34053.2-2017纸质印刷产品印制质量检验规范 第2部分：抽样判定规则》由TC170（全国印刷标准化技术委员会）归口，主管部门为国家新闻出版署(国家版权局)。
Introduction
1. Background and significance of standard formulation
GB/T 34053.2—2017 is the second part of the "Printing Quality Inspection Specification for Paper Printing Products", which mainly stipulates the sampling judgment rules for paper printing products. This standard was proposed by the State Administration of Press, Publication, Radio, Film and Television and is managed by the National Printing Standardization Technical Committee. It aims to unify and standardize the quality inspection process of paper printing products.
2. Comparison of standard frameworks
| Standard part | Content overview | Scope of application |
|---|---|---|
| GB/T 34053.1 | Terms and definitions | Applicable to quality inspection of all paper printing products |
| GB/T 34053.2 | Sampling judgment rules | Batch quality judgment of paper printing products |
| GB/T 2828.1—2012 | Attribute sampling inspection procedure | Batch inspection with AQL retrieval |
3. Detailed explanation of sampling judgment rules
3.1 Sample size determination steps
Based on product category and batch size, determine the AQL and inspection level from Table 1 (e.g. AQL=4.0, S-4 for books and periodicals), then look up the sample size code from Table 2, and obtain the specific sample size in combination with Table 3.
3.2 Acceptance Quality Limit (AQL) and Inspection Level
| Product Category | AQL Value | Inspection Level |
|---|---|---|
| Books and Periodicals | 4.0 | S-4 |
| Packaging and Decoration | 6.5 | S-3 |
3.3 Batch Quality Determination Method
According to Table 4, if the number of unqualified samples ≥ the number of unqualified determinations, the batch quality is unqualified; otherwise, it is qualified. For example:
- When AQL=4.0, the number of unqualified determinations for sample size 5 is 1.
- When AQL=6.5, the number of unqualified judgments for a sample size of 8 is 2.
4. Implementation suggestions
To ensure the effective implementation of the standard:
- Staff training: Conduct systematic training for inspection personnel to ensure that they are familiar with the methods for determining AQL and inspection levels.
- Sampling procedure optimization: Rationally select sample size codes based on batch size and strictly follow the principle of random sampling.
- Technical tool application: Use modern testing equipment and technology to improve inspection efficiency and accuracy.
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