JB/T 54879-1999
Taper Pin Reamer - Product Quality Grading
锥度销子铰刀 产品质量分等
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 AQL 的指定值 → 4 RQL 的指定值 → 5 不合格分类及分组 → 6 寿命试验 Foreword → 1 Scope → 2 Normative References → 3 Specified AQL Values → 4 Specified RQL Values → 5 Classification and Grouping of Nonconformities → 6 Life Test
Scope
This standard specifies the AQL values for quality grade evaluation, the RQL values for periodic stability assessment, and the classification of nonconformities for taper pin reamers when evaluated according to JB/T 54854-1999 'General Rules for Product Quality Grading of Cutting Tools'. This standard applies to the quality grade evaluation and periodic stability assessment of taper pin reamers produced in batches according to JB/T 7956.1~7956.3 and GB/T 4248.
本标准规定了锥度销子铰刀在依据JB/T 54854—1999《刀具 产品质量分等通则》进行质量等级评定时的AQL 值、周期稳定性考核时的RQL 值及不合格分类。本标准适用于按JB/T 7956.1~7956.3、GB/T 4248 成批生产的锥度销子铰刀的质量等级评定和周期稳定性考核。
Normative References
Keywords
Application Summary AI generated
Tool manufacturers and quality inspection departments use this standard to evaluate the quality grade and assess the periodic stability of batch-produced taper pin reamers. By setting AQL and RQL values and defining nonconformity classifications, it ensures products meet different quality levels (qualified, first-class, premium). This standard is important for unifying quality judgment criteria within the industry and enhancing product reliability.
刀具制造企业和质量检验部门使用本标准，对成批生产的锥度销子铰刀进行质量等级评定和周期稳定性考核。它通过设定AQL和RQL值以及明确不合格分类，确保产品符合不同等级（合格品、一等品、优等品）的质量要求。该标准对于统一行业内的质量判定标准、提升产品可靠性具有重要意义。
AI Summary AI generated
This standard JB/T 54879-1999 is a machinery industry standard for quality grading of taper pin reamers, replacing JB/T 54879-93. It specifies AQL values for quality grade evaluation, RQL values for periodic stability assessment, and nonconformity classification according to JB/T 54854-1999. It applies to batch-produced taper pin reamers conforming to JB/T 7956.1~7956.3 and GB/T 4248. Nonconformities are classified into Class B (Group I and Group III) and Class C, with specific AQL and RQL values for different product grades (qualified, first-class, premium). No life test is currently specified.
本标准JB/T 54879-1999是关于锥度销子铰刀产品质量分等的机械行业标准，替代了JB/T 54879-93。标准规定了依据JB/T 54854-1999进行质量等级评定时所需的AQL值、周期稳定性考核的RQL值以及不合格分类。适用于按JB/T 7956.1~7956.3和GB/T 4248成批生产的锥度销子铰刀。标准将不合格分为B类（Ⅰ组和Ⅲ组）和C类，并针对不同产品等级（合格品、一等品、优等品）给出了具体的AQL和RQL数值。目前暂不规定寿命试验。
Key Sentences extracted from text
本标准规定了锥度销子铰刀在依据JB/T 54854—1999《刀具 产品质量分等通则》进行质量等级评定时的AQL 值、周期稳定性考核时的RQL 值及不合格分类。
本标准适用于按JB/T 7956.1~7956.3、GB/T 4248 成批生产的锥度销子铰刀的质量等级评定和周期稳定性考核。
AQL 的指定值按表1。
RQL 的指定值按表2。
锥度销子铰刀暂不规定寿命试验。
This standard specifies the AQL values for quality grade evaluation, the RQL values for periodic stability assessment, and the classification of nonconformities for taper pin reamers when evaluated according to JB/T 54854-1999 'General Rules for Product Quality Grading of Cutting Tools'.
This standard applies to the quality grade evaluation and periodic stability assessment of taper pin reamers produced in batches according to JB/T 7956.1~7956.3 and GB/T 4248.
The specified AQL values are according to Table 1.
The specified RQL values are according to Table 2.
No life test is specified for taper pin reamers for the time being.
Standard Timeline
Changes from replaced version:
- 本标准与JB/T 54879—93 的技术内容一致，仅按有关规定重新进行了编辑。
- The technical content of this standard is consistent with JB/T 54879-93, only re-edited according to relevant regulations.