JB/T 54835-1999
Wrench Drill Chuck - Product Quality Grading
扳手钻夹头 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 → 附录B Foreword → 1 Scope → 2 Normative References → 3 Quality Grade Assessment → 4 Quality Grades → Appendix A → Appendix B
Scope
This standard specifies the quality grade assessment and requirements for wrench drill chuck products. This standard is applicable to the quality assessment and grading of wrench drill chuck products.
本标准规定了扳手钻夹头产品的质量等级评定和要求。本标准适用于扳手钻夹头产品质量考核和分等定级。
Normative References
Keywords
Application Summary AI generated
Quality inspectors in the machinery manufacturing industry use this standard to evaluate and grade wrench drill chucks into qualified, first-grade, or premium-grade levels. It provides a unified basis for product quality assessment, classification, and pricing, helping to improve product competitiveness and user satisfaction.
机械制造行业的质量检验人员使用本标准来评定扳手钻夹头的质量等级，将其划分为合格品、一等品或优等品。该标准为产品质量考核、分等定级和优质优价提供了统一依据，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 assessment and requirements for wrench drill chuck products, applicable to product quality evaluation and grading. Products are classified into three grades: qualified, first-grade, and premium-grade, each with different requirements for geometric accuracy, torque performance, surface roughness, heat treatment indicators, and taper hole contact rate. The standard also specifies sampling plans and judgment rules, and references relevant national and industry standards.
本标准规定了扳手钻夹头产品的质量等级评定和要求，适用于产品质量考核和分等定级。产品分为合格品、一等品和优等品三个等级，每个等级对几何精度、扭矩性能、表面粗糙度、热处理指标、锥孔接触率等有不同要求。标准还规定了抽样方案和判定规则，并引用了相关国家标准和行业标准。
Key Sentences extracted from text
本标准规定了扳手钻夹头产品的质量等级评定和要求。
扳手钻夹头产品的质量等级分为合格品、一等品、优等品。
产品按GB/T 6087的规定，扭矩试验后复检精度应合格。
几何精度应有20%的精度储备量。
输出扭矩增加标准规定扭矩的20%。
This standard specifies the quality grade assessment and requirements for wrench drill chuck products.
The quality grades of wrench drill chuck products are divided into qualified product, first-grade product, and premium-grade product.
The product shall pass the re-inspection of accuracy after torque test according to GB/T 6087.
Geometric accuracy shall have a 20% accuracy reserve.
Output torque shall increase by 20% of the torque specified in the standard.
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.