JB/T 54903-1999
End Mills - Product Quality Grading (Internal Use)
立铣刀 产品质量分等（内部使用）
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, the classification of nonconformities, and the life test for end mills when conducting quality grade evaluation in accordance with JB/T 54854. This standard is applicable to the quality grade evaluation and periodic stability assessment of end mills produced in batches according to GB/T 6117.1~6117.3, GB/T 1109, and GB/T 6118.
本标准规定了立铣刀在依据JB/T 54854 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 6117.1~6117.3、GB/T 1109、GB/T 6118 成批生产的立铣刀的质量等级评定和周期稳定性考核。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies use this standard to grade the quality of batch-produced end mills and assess their periodic stability. By defining AQL and RQL values, nonconformity classifications, and life test criteria, it ensures products meet specified quality levels (qualified, first-class, premium). This standard is crucial for maintaining reliability and consistency of end mills in machining operations.
立铣刀制造商和质检机构使用本标准来评定成批生产立铣刀的质量等级，并考核其周期稳定性。它通过设定AQL和RQL值、明确不合格分类和寿命试验要求，确保产品符合不同等级（合格品、一等品、优等品）的质量标准。该标准对于保证立铣刀在机械加工中的可靠性和一致性至关重要。
AI Summary AI generated
This standard specifies technical requirements for quality grading of end mills, including specified AQL and RQL values, classification and grouping of nonconformities, and life test methods. It applies to batch-produced end mills conforming to relevant standards. Tables 1 and 2 provide AQL and RQL values for different quality grades (qualified, first-class, premium). Table 3 details B-type and C-type nonconformities and their judgment criteria. The life test section defines test conditions, cutting parameters, failure criteria, and life indices to ensure product durability.
本标准规定了立铣刀产品质量分等的技术要求，包括AQL和RQL的指定值、不合格分类及分组、以及寿命试验方法。适用于按相关标准成批生产的立铣刀。通过表1和表2给出了不同等级（合格品、一等品、优等品）的AQL和RQL值，表3详细列出了B类和C类不合格项目及其判定依据。寿命试验部分规定了试验条件、切削规范、寿命判据和指标，确保产品达到规定的耐用度。
Key Sentences extracted from text
本标准规定了立铣刀在依据JB/T 54854 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 6117.1~6117.3、GB/T 1109、GB/T 6118 成批生产的立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, the RQL values for periodic stability assessment, the classification of nonconformities, and the life test for end mills when conducting quality grade evaluation in accordance with JB/T 54854.
This standard is applicable to the quality grade evaluation and periodic stability assessment of end mills produced in batches according to GB/T 6117.1~6117.3, GB/T 1109, and GB/T 6118.
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:
- 由于产品标准已修订，本标准对JB/T 54903—93 的相应条款作了修订。
- Due to the revision of the product standards, this standard has revised the corresponding clauses of JB/T 54903—93.