JB/T 54372-1999
Double-Disk Friction Press - Product Quality Grading (Internal Use)
双盘摩擦压力机 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 产品质量的分等 → 4 产品质量分等要求 → 5 产品质量等级的评定方法 Foreword → 1 Scope → 2 Normative References → 3 Product Quality Grading → 4 Product Quality Grading Requirements → 5 Evaluation Method for Product Quality Grades
Scope
This standard specifies the product quality grades, product quality grading requirements, test methods, sampling, and evaluation methods for double-disk friction presses. This standard applies to the product quality grade levels of double-disk friction presses.
本标准规定了双盘摩擦压力机的产品质量等级、产品质量分等要求、试验方法和抽样、评定方法。本标准适用于双盘摩擦压力机产品质量等级水平。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies of double-disk friction presses use this standard to evaluate product quality grades. They inspect and classify products based on the 14 grading requirements in this standard, ensuring products meet qualified, first-class, or superior levels. This standard is important for regulating industry quality and enhancing product competitiveness.
双盘摩擦压力机的制造商和质检机构使用本标准来评定产品的质量等级。他们依据本标准中的14项分等要求，对产品进行检验和分级，以确保产品达到合格、一等或优等水平。该标准对于规范行业质量、提升产品竞争力具有重要意义。
AI Summary AI generated
This standard specifies product quality grading requirements for double-disk friction presses, covering 14 items including use performance, operation performance, precision, reliability, safety and health, and classifies products into three grades: qualified, first-class, and superior. It details specific technical indicators for each grade, such as precision reserve, noise limits, and service life, and defines test methods and evaluation rules. The standard applies to quality inspection and grade evaluation of double-disk friction presses, aiming to improve product quality.
本标准规定了双盘摩擦压力机的产品质量分等要求，包括使用性能、运行性能、精度、可靠性、安全卫生等14项内容，将产品分为合格品、一等品和优等品三个等级。标准详细列出了各等级的具体技术指标，如精度储备量、噪声限值、寿命期限等，并规定了试验方法和评定规则。该标准适用于双盘摩擦压力机的质量检验和等级评定，旨在提升产品质量水平。
Key Sentences extracted from text
本标准按双盘摩擦压力机的检验（包括使用性能和结构、运行性能、精度、一般要求、可靠性和寿命、安全卫生、成（配）套性、造型和外观、包装）、生产过程的质量检验（包括材质与热处理、零件加工质量、装配质量、涂漆和防锈）、使用过程的质量检验（包括用户评价和对用户服务）三方面的质量水平对产品进行质量分等。
本标准按双盘摩擦压力机达到的质量水平，分为合格品、一等品和优等品。
双盘摩擦压力机的精度及其检验应符合JB/T 5198 或其它技术文件的规定，并应有20%的精度储备量。
双盘摩擦压力机的可靠性：平均无故障工作时间MTBF 不应低于有关规定。
双盘摩擦压力机的安全性能应符合GB 17120、JB 8780 的有关规定。
This standard grades product quality based on three aspects: inspection of double-disk friction presses (including use performance and structure, operation performance, precision, general requirements, reliability and life, safety and health, completeness, styling and appearance, packaging), quality inspection during production (including material and heat treatment, part processing quality, assembly quality, painting and rust prevention), and quality inspection during use (including user evaluation and user service).
This standard divides double-disk friction presses into qualified products, first-class products, and superior products according to the quality level achieved.
The precision of double-disk friction presses and its inspection shall comply with JB/T 5198 or other technical documents, and shall have a precision reserve of 20%.
Reliability of double-disk friction presses: the mean time between failures (MTBF) shall not be lower than relevant provisions.
The safety performance of double-disk friction presses shall comply with the relevant provisions of GB 17120 and JB 8780.
Standard Timeline
Changes from replaced version:
- 将原标准中的14项分等内容（几何精度，结构和性能，寿命，噪声，油、气渗漏，零件的材质与热处理，零件加工质量，装配质量，外观质量，油漆质量，包装质量，附件工具、易损件、配套件，随机技术文件，用户反映）更改为新的14项质量分等要求（使用性能和结构，运行（工作）性能，精度，一般要求，可靠性和寿命，安全卫生，（成）配套性，造型和外观，包装，材质与热处理，零件加工质量，装配质量，涂漆和防锈，用户评价和对用户服务）。
- 取消了附录。
- Changed the original 14 grading items (geometric precision, structure and performance, life, noise, oil and gas leakage, material and heat treatment of parts, part processing quality, assembly quality, appearance quality, paint quality, packaging quality, accessories, tools, wearing parts, and supporting parts, random technical documents, user feedback) to new 14 quality grading requirements (use performance and structure, operation performance, precision, general requirements, reliability and life, safety and health, completeness, styling and appearance, packaging, material and heat treatment, part processing quality, assembly quality, painting and rust prevention, user evaluation and user service).
- Cancelled the appendix.