JB/T 54897-1999
Disc Gear Milling Cutter - Product Quality Grading
盘形齿轮铣刀 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, RQL values for periodic stability assessment, and classification of nonconformities for disc gear milling cutters 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 disc gear milling cutters produced in batches according to JB/T 7970.1 and JB/T 7970.2.
本标准规定了盘形齿轮铣刀在依据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 值和不合格分类。本标准适用于按JB/T 7970.1、JB/T 7970.2 成批生产的盘形齿轮铣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 agencies use this standard to evaluate the quality grade and periodic stability of disc gear milling cutters. It ensures products meet different quality levels (qualified, first-class, premium) by setting AQL and RQL values and classifying nonconformities. This standard is critical for maintaining consistent performance and reliability of gear milling cutters.
刀具制造商和质检机构使用本标准来对盘形齿轮铣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。该标准对于保证齿轮铣刀的性能一致性和可靠性至关重要。
AI Summary AI generated
This standard specifies the quality grade evaluation and periodic stability assessment methods for disc gear milling cutters, including AQL values, RQL values, and classification of nonconformities. It applies to products manufactured in batches according to JB/T 7970.1 and JB/T 7970.2. Nonconformities are classified into Class B (Group I and Group III) and Class C, with different AQL and RQL values set for qualified, first-class, and premium products. Specific nonconformity items and judgment criteria are listed, such as cracks, surface roughness, and dimensional deviations. Life tests are temporarily not specified.
本标准规定了盘形齿轮铣刀的质量等级评定和周期稳定性考核方法，包括AQL值、RQL值和不合格分类。适用于按JB/T 7970.1和JB/T 7970.2成批生产的产品。标准将不合格分为B类（Ⅰ组和Ⅲ组）和C类，并针对合格品、一等品和优等品设定了不同的AQL和RQL值。同时列出了具体的不合格项目及判定依据，如裂纹、表面粗糙度、尺寸超差等。寿命试验暂不规定。
Key Sentences extracted from text
本标准规定了盘形齿轮铣刀在依据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 值和不合格分类。
本标准适用于按JB/T 7970.1、JB/T 7970.2 成批生产的盘形齿轮铣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。
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, and classification of nonconformities for disc gear milling cutters 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 disc gear milling cutters produced in batches according to JB/T 7970.1 and JB/T 7970.2.
The specified AQL values are according to Table 1.
The specified RQL values are according to Table 2.
The classification and grouping of nonconformities are according to Table 3.
Standard Timeline
Changes from replaced version:
- 本标准与JB/T 54897—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 54897-93, only re-edited according to relevant regulations.