JB/T 51165-1999
Impact Wrench - Product Quality Grading
冲击式气扳机 产品质量分等
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 技术要求 → 4 产品质量等级划分 → 5 产品质量指标 → 6 试验方法 → 7 检验规则 Foreword → 1 Scope → 2 Normative References → 3 Technical Requirements → 4 Product Quality Grade Classification → 5 Product Quality Indicators → 6 Test Methods → 7 Inspection Rules
Scope
This standard specifies the technical requirements, product quality grade classification, product quality indicators, test methods and inspection rules for impact wrenches. This standard applies to the product quality grading of impact wrenches.
本标准规定了冲击式气扳机的技术要求、产品质量等级划分、产品质量指标、试验方法和检验规则。本标准适用于冲击式气扳机产品质量分等。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies of impact wrenches use this standard to grade product quality. They classify products as qualified, first-class, or premium based on the technical indicators and inspection rules defined herein. This standard ensures standardized and comparable quality levels, helping to elevate the overall industry standard.
冲击式气扳机的制造商和质检机构使用本标准来对产品进行质量等级评定。他们依据本标准中的技术指标和检验规则，将产品划分为合格品、一等品或优等品。本标准确保了产品质量的标准化和可比性，有助于提升行业整体水平。
AI Summary AI generated
This standard JB/T 51165-1999 specifies the product quality grading requirements for impact wrenches, including technical requirements, quality grade classification (qualified, first-class, premium), specific quality indicators (such as tightening torque, no-load speed, cleanliness), test methods, and inspection rules. It applies to quality evaluation of impact wrenches, ensuring product consistency through strict sampling plans and nonconformity classification. Compared with the previous version, it raises the judgment criteria for Class A nonconformities, adds a no-load speed indicator, and removes the service life requirement for vulnerable parts.
本标准JB/T 51165-1999规定了冲击式气扳机的产品质量分等要求，包括技术要求、质量等级划分（合格品、一等品、优等品）、具体质量指标（如拧紧扭矩、空转转速、清洁度等）、试验方法和检验规则。标准适用于冲击式气扳机的质量评定，通过严格的抽样方案和不合格分类确保产品一致性。与旧版相比，提高了A类不合格的判定指标，增加了空转转速指标，取消了易损件使用寿命要求。
Key Sentences extracted from text
产品除应符合JB/T 8411 的规定外，其质量等级按本标准评定。
产品按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。
凡被检验项目不符合第5章的规定，均为不合格。
采用GB/T 2828 规定的正常检查一次抽样方案。
检查批等级评定后，其中每台产品的定等均不得高于该批的等级。
In addition to complying with the provisions of JB/T 8411, the product quality grade shall be evaluated according to this standard.
Products are divided into three grades: qualified product, first-class product and premium product according to quality level and use value.
Any inspected item that does not comply with the provisions of Chapter 5 shall be considered nonconforming.
The normal inspection single sampling plan specified in GB/T 2828 shall be adopted.
After the inspection batch grade is determined, the grade of each product in the batch shall not be higher than the grade of the batch.
Standard Timeline
Changes from replaced version:
- 提高了产品不合格分类中A类的合格品和一等品的判定指标
- 增加了产品空转转速指标
- 取消了主要易损件使用寿命指标
- Raised the judgment criteria for Class A nonconformities for qualified and first-class products
- Added the no-load speed indicator
- Removed the service life indicator for main vulnerable parts