JB/T 54481-1999
High Precision Machine Vise - Product Quality Grading
高精度机用平口钳 产品质量分等
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 质量等级评定 → 4 质量等级 → 附录A Foreword → 1 Scope → 2 Normative References → 3 Quality Grade Evaluation → 4 Quality Grades → Appendix A
Scope
This standard specifies the quality grade evaluation and requirements for high precision machine vise (hereinafter referred to as machine vise) products. This standard is applicable to the quality assessment and grading of batch-produced machine vise products.
本标准规定了高精度机用平口钳（以下简称平口钳）产品的质量等级评定和要求。本标准适用于批量生产的平口钳产品的质量考核和分等定级。
Normative References
Keywords
Application Summary AI generated
Quality inspection departments in machinery manufacturing enterprises use this standard to evaluate and grade the quality of batch-produced high precision machine vises. It provides a basis for product quality assessment, grading, and pricing according to quality, helping to enhance product competitiveness and user satisfaction.
机械制造企业的质量检验部门使用该标准，对批量生产的高精度机用平口钳进行质量等级评定和分等定级。该标准为产品质量考核、分等定级和优质优价提供了依据，有助于提升产品竞争力和用户满意度。
AI Summary AI generated
This standard specifies the quality grade evaluation requirements for high precision machine vises, applicable to the quality assessment and grading of batch-produced products. It classifies products into three grades: qualified, first-grade, and premium-grade, with specific requirements for geometric accuracy, heat treatment quality, and part processing quality, including accuracy reserve and pass rate criteria for each grade.
本标准规定了高精度机用平口钳的质量等级评定要求，适用于批量生产产品的质量考核和分等定级。标准将产品分为合格品、一等品和优等品三个等级，对几何精度、热处理质量、零件加工质量等提出了具体要求，并规定了不同等级的精度储备量和合格率指标。
Key Sentences extracted from text
本标准规定了高精度机用平口钳（以下简称平口钳）产品的质量等级评定和要求。
本标准适用于批量生产的平口钳产品的质量考核和分等定级。
平口钳产品的质量等级分为合格品、一等品、优等品。
产品几何精度应有70%的项目有20%的精度储备量。
热处理部位的关键技术指标合格率不低于90%。
This standard specifies the quality grade evaluation and requirements for high precision machine vise (hereinafter referred to as machine vise) products.
This standard is applicable to the quality assessment and grading of batch-produced machine vise products.
The quality grades of machine vise products are divided into qualified product, first-grade product, and premium-grade product.
70% of the items of product geometric accuracy shall have 20% accuracy reserve.
The pass rate of key technical indicators for heat-treated parts shall not be less than 90%.
Standard Timeline
Changes from replaced version:
- 仅对原标准作了编辑性修改，主要技术内容未变
- Only editorial modifications were made to the original standard; the main technical content remains unchanged.