JB/T 53338-1999
Powder Metallurgy Oil Pump Gear - Product Quality Grading
粉末冶金机油泵齿轮 产品质量分等
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 质量分等原则 → 4 质量等级指标 → 5 检测方法 → 6 抽样方法 → 7 评定规则 Foreword → 1 Scope → 2 Normative References → 3 Quality Grading Principle → 4 Quality Grade Indicators → 5 Test Methods → 6 Sampling Methods → 7 Evaluation Rules
Scope
This standard specifies the quality grade levels of powder metallurgy oil pump gears. This standard is applicable to the quality grade evaluation of powder metallurgy external involute gears with working pressure less than 1.2 MPa in quality assessment, enterprise upgrading, and product excellence creation. It can also serve as a basis for high-quality and high-price products.
本标准规定了粉末冶金机油泵齿轮产品质量等级水平。本标准适用于工作压力小于1.2 MPa的粉末冶金外啮合渐开线齿轮在质量考核、企业升级和产品创优中的质量等级评定。亦可作为产品优质优价的依据。
Normative References
Keywords
Application Summary AI generated
Powder metallurgy gear manufacturers and quality inspection agencies use this standard to grade the quality of oil pump gears. It is used to classify products into qualified, first-class, or superior grades for quality assessment, enterprise upgrading, and product excellence initiatives. This standard provides a basis for premium pricing of high-quality products, helping to raise the overall quality level of the industry.
粉末冶金齿轮制造商和质检机构使用该标准来评定机油泵齿轮的质量等级。它用于将产品划分为合格品、一等品或优等品，以便进行质量考核、企业升级和产品创优。该标准为优质优价提供了依据，有助于提升行业整体质量水平。
AI Summary AI generated
This standard specifies quality grades for powder metallurgy oil pump gears, applicable to external involute gears with working pressure below 1.2 MPa. Products are classified into three grades: qualified, first-class, and superior. All critical items must meet the indicators, with specific pass rates for main and general items. The standard also defines test methods, sampling methods, and evaluation rules, providing a basis for quality assessment, enterprise upgrading, and product excellence.
本标准规定了粉末冶金机油泵齿轮的质量等级，适用于工作压力小于1.2 MPa的外啮合渐开线齿轮。产品分为合格品、一等品和优等品三个等级，关键项必须全部达标，主要项和一般项有具体的合格率要求。标准还规定了检测方法、抽样方法和评定规则，为质量考核、企业升级和产品创优提供了依据。
Key Sentences extracted from text
本标准规定了粉末冶金机油泵齿轮产品质量等级水平。
产品在符合现行标准的基础上，根据质量水平和使用价值分为合格品、一等品和优等品三个等级。
关键项必须全部达到合格品指标。
主要项的项次合格率不得低于85%，但在同一项目中不合格项次不得多于2个。
使用寿命须提供有效期内两个以上使用单位的证明材料。
This standard specifies the quality grade levels of powder metallurgy oil pump gears.
Products are divided into three grades: qualified, first-class, and superior, based on quality level and use value, on the basis of compliance with current standards.
All critical items must fully meet the qualified product indicators.
The item pass rate for main items shall not be less than 85%, but the number of unqualified items in the same project shall not exceed 2.
Service life must be supported by certification materials from more than two user units within the validity period.
Standard Timeline
Changes from replaced version:
- 对原标准作了编辑性修改，主要技术内容没有变化
- Editorial modifications were made to the original standard, with no changes to the main technical content.