JB/T 54455-1999
Electric Spark Wire Cutting Machine - Product Quality Grading (Internal Use)
电火花线切割机 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 质量等级 → 附录A Foreword → 1 Scope → 2 Normative References → 3 Quality Grades → Annex A
Scope
This standard specifies the product quality grade requirements for reciprocating wire feed (high-speed wire feed) electric spark wire cutting machines. This standard is applicable to reciprocating wire feed (high-speed wire feed) electric spark wire cutting machines (hereinafter referred to as machine tools) used for general-purpose, conventional precision mold and part machining.
本标准规定了往复走丝（高速走丝）电火花线切割机的产品质量等级要求。本标准适用于一般用途、常规精度的模具及零件加工用的往复走丝（高速走丝）电火花线切割机（以下简称机床）。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies use this standard to grade the quality of electric spark wire cutting machines into qualified, first-class, and premium levels. It ensures that machines meet essential requirements for mold and part machining by evaluating 14 items including accuracy, reliability, and safety. This standard helps improve product quality, drives technical upgrades, and guides users in selecting appropriate equipment.
电火花线切割机制造商和质检机构使用本标准来评定产品的质量等级，分为合格品、一等品和优等品。它通过检查精度、可靠性、安全防护等14个项目，确保机床满足模具和零件加工的基本要求。该标准有助于提升产品质量，促进技术改进，并为用户选择合适设备提供依据。
AI Summary AI generated
This standard JB/T 54455-1999 specifies product quality grade requirements for reciprocating wire feed (high-speed wire feed) electric spark wire cutting machines, applicable to general-purpose, conventional precision mold and part machining. It classifies products into three grades: qualified, first-class, and premium, evaluated through 14 items covering finished product inspection, production process quality control, and user service and feedback. Key requirements include accuracy, performance, reliability and stability, lifespan, and safety protection. Premium products require ISO 9000 certification and must meet stricter accuracy reserves and reliability targets.
本标准JB/T 54455-1999规定了往复走丝（高速走丝）电火花线切割机的产品质量等级要求，适用于一般用途、常规精度的模具及零件加工。标准将产品分为合格品、一等品和优等品三个等级，通过成品检验、生产过程质量检查和用户服务与信息反馈共14个项目进行评定。关键要求包括精度、工作性能、可靠性与稳定性、寿命、安全防护等，其中优等品需通过ISO 9000认证，并满足更严格的精度储备和可靠性指标。
Key Sentences extracted from text
本标准规定了往复走丝（高速走丝）电火花线切割机的产品质量等级要求。
本标准适用于一般用途、常规精度的模具及零件加工用的往复走丝（高速走丝）电火花线切割机（以下简称机床）。
企业须通过ISO 9000质量体系认证，且其产品符合本标准优等品的规定，才能评定为优等品。
机床几何精度和数控精度中90%的项目（须包括定位精度）应有不小于30%的储备量，工作精度的全部项目均应有不小于10%的储备量。
在两班工作制和遵守使用规则的条件下，机床精度保持GB/T 7926规定的精度指标的时间不少于2年。
This standard specifies the product quality grade requirements for reciprocating wire feed (high-speed wire feed) electric spark wire cutting machines.
This standard is applicable to reciprocating wire feed (high-speed wire feed) electric spark wire cutting machines (hereinafter referred to as machine tools) used for general-purpose, conventional precision mold and part machining.
An enterprise must pass ISO 9000 quality system certification and its products must comply with the provisions of this standard for premium products to be rated as premium.
90% of the items (including positioning accuracy) in the geometric accuracy and CNC accuracy of the machine tool shall have a reserve of not less than 30%, and all items of working accuracy shall have a reserve of not less than 10%.
Under the conditions of two-shift work and compliance with operating rules, the time for the machine tool to maintain the accuracy indicators specified in GB/T 7926 shall not be less than 2 years.
Standard Timeline
Changes from replaced version:
- 取消了原标准第1章的内容
- 调整了引用标准
- 电气设备的技术要求按GB/T 5226.1-1996编写，代替原GB 5226-85
- 根据技术的发展修改了相关内容
- Deleted the content of Chapter 1 of the original standard
- Adjusted the referenced standards
- Technical requirements for electrical equipment are written according to GB/T 5226.1-1996, replacing the original GB 5226-85
- Modified relevant content based on technological development