JB/T 54483-1999
Quality Grading for Tiltable Machine Vices
可倾机用平口钳 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 → Annex A
Scope
This standard specifies the quality grade evaluation and requirements for tiltable machine vice (hereinafter referred to as vice) products. This standard applies to the quality assessment and grading of batch-produced vice products.
本标准规定了可倾机用平口钳（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
Manufacturing enterprises use this standard to evaluate and grade the quality of batch-produced tiltable machine vices. Quality inspectors rely on the defined criteria for qualified, first-grade, and premium products to conduct assessments. This standard provides a unified quality evaluation framework for the machine tool accessory industry, helping to improve product quality and promote premium pricing for superior products.
机械制造企业使用本标准来对批量生产的可倾机用平口钳进行质量等级评定和分等定级。质检人员依据本标准中的合格品、一等品和优等品指标进行产品考核。该标准为机床附件行业提供了统一的质量评价依据，有助于促进产品质量提升和优质优价。
AI Summary AI generated
This standard specifies quality grade evaluation and requirements for tiltable machine vices, applicable to batch-produced products. Quality grades are divided into qualified, first-grade, and premium products, each with different requirements for geometric accuracy, clamping force, jaw misalignment, paint gloss, heat treatment pass rate, and machining quality pass rate. Qualified products must meet basic technical conditions, while first-grade and premium products require higher accuracy reserves and clamping force increases. The standard also lists main components and their key inspection items.
本标准规定了可倾机用平口钳产品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，各级别对几何精度、夹紧力、钳口错位量、涂漆光泽度、热处理合格率及加工质量合格率等指标有不同要求。合格品需满足基本技术条件，一等品和优等品则要求更高的精度储备和夹紧力提升。标准还明确了主要零件及其关键项目的检查清单。
Key Sentences extracted from text
本标准规定了可倾机用平口钳（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。
在施加的夹紧力矩不变的情况下，产生的夹紧力比合格品增加5%。
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 evaluation and requirements for tiltable machine vice (hereinafter referred to as vice) products.
The quality grades of vice products are divided into qualified product, first-grade product, and premium product.
70% of the items of product geometric accuracy shall have 20% accuracy reserve.
Under the condition of constant applied clamping torque, the generated clamping force shall be increased by 5% compared to the qualified product.
The pass 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.