JB/T 54870-1999
Reamers - Product Quality Grading
扩孔钻 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, RQL values for periodic stability assessment, classification of nonconformities, and life test for reamers when conducting quality grade evaluation in accordance with JB/T 54854-1999 'General Rules for Product Quality Grading of Cutting Tools'. This standard is applicable to the quality grade evaluation and periodic stability assessment of reamers produced in batches according to GB/T 1141, GB/T 1142, GB/T 4255~4257.
本标准规定了扩孔钻在依据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、不合格分类及寿命试验。本标准适用于按GB/T 1141、GB/T 1142、GB/T 4255~4257 成批生产的扩孔钻的质量等级评定和周期稳定性考核。
Normative References
Keywords
Application Summary AI generated
Manufacturers of reamers use this standard to evaluate product quality grades and assess periodic stability. Quality inspection departments and customers rely on the AQL and RQL values specified herein to determine product conformity and grade. This standard is important for ensuring consistent quality of reamers and advancing the overall level of the cutting tool industry.
扩孔钻的生产企业使用该标准来对其产品进行质量等级评定和周期稳定性考核。质检部门和用户依据本标准中的AQL值和RQL值来判定产品是否合格以及属于哪个质量等级。该标准对于确保扩孔钻的质量一致性、提升刀具行业整体水平具有重要意义。
AI Summary AI generated
This standard specifies methods for quality grade evaluation of reamers, including AQL values, RQL values, classification of nonconformities, and life tests. It applies to reamers produced in batches according to relevant national standards. Nonconformities are classified into Class B (further divided into three groups) and Class C, with AQL and RQL values provided for different grades (qualified, first-class, premium). The life test specifies test conditions, cutting parameters, and failure criteria.
本标准规定了扩孔钻的质量等级评定方法，包括AQL值、RQL值、不合格分类及寿命试验。适用于按相关国家标准成批生产的扩孔钻。标准将不合格分为B类和C类，B类又细分为三组，并给出了不同等级（合格品、一等品、优等品）的AQL和RQL值。寿命试验规定了试验条件、切削规范及寿命判据。
Key Sentences extracted from text
本标准规定了扩孔钻在依据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、不合格分类及寿命试验。
本标准适用于按GB/T 1141、GB/T 1142、GB/T 4255~4257 成批生产的扩孔钻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。
不合格分类及分组按表3。
This standard specifies the AQL values for quality grade evaluation, RQL values for periodic stability assessment, classification of nonconformities, and life test for reamers when conducting quality grade evaluation in accordance with JB/T 54854-1999 'General Rules for Product Quality Grading of Cutting Tools'.
This standard is applicable to the quality grade evaluation and periodic stability assessment of reamers produced in batches according to GB/T 1141, GB/T 1142, GB/T 4255~4257.
The specified AQL values are given in Table 1.
The specified RQL values are given in Table 2.
The classification and grouping of nonconformities are given in Table 3.
Standard Timeline
Changes from replaced version:
- 本标准与JB/T 54870—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 54870-93, only re-edited according to relevant regulations.