JB/T 54482-1999
Quality Grading of Power-Intensified Machine Vices
增力机用平口钳 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 Assessment → 4 Quality Grades → Annex A
Scope
This standard specifies the quality grade assessment and requirements for power-intensified machine vices (hereinafter referred to as vices). This standard is applicable to the quality assessment and grading of batch-produced vice products.
本标准规定了增力机用平口钳（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 control departments and personnel in machine manufacturing enterprises use this standard to assess and grade the quality of batch-produced power-intensified machine vices. It provides a basis for product evaluation and premium pricing, helping to improve product quality and market competitiveness.
机械制造企业的质检部门和质量管理人员使用本标准，对批量生产的增力机用平口钳进行质量等级评定和分等定级。该标准为产品考核、优质优价提供了依据，有助于提升产品质量和市场竞争。
AI Summary AI generated
This standard specifies the quality grade assessment and requirements for power-intensified machine vices, applicable to batch-produced products. Quality grades are divided into qualified, first-grade, and premium-grade, each with specific criteria for geometric accuracy, clamping force, jaw fit, paint gloss, heat treatment qualification rate, and machining quality. The standard also defines inspection requirements for main components and key items, providing a basis for product quality evaluation and grading.
本标准规定了增力机用平口钳的质量等级评定和要求，适用于批量生产的产品。质量等级分为合格品、一等品和优等品，每个等级对几何精度、夹紧力、钳口贴合度、涂漆光泽度、热处理合格率及加工质量等均有具体指标。标准还明确了主要零件及其关键项目的检查要求，为产品质量考核和分等定级提供了依据。
Key Sentences extracted from text
本标准规定了增力机用平口钳（以下简称平口钳）产品的质量等级评定和要求。
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。
两钳口垫的钳口面应紧密贴合，紧固后用0.04 mm 塞尺检验不应插入。
主要零件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 assessment and requirements for power-intensified machine vices (hereinafter referred to as vices).
The quality grades of vice products are divided into qualified product, first-grade product, and premium-grade product.
70% of the items of product geometric accuracy shall have a 20% accuracy reserve.
The jaw faces of the two jaw pads shall fit tightly, and after tightening, inspection with a 0.04 mm feeler gauge shall not allow insertion.
The qualification rate of key technical indicators for heat-treated parts of main components 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.