JB/T 51159-1999
Straight pneumatic grinder - Product quality grading (Internal use)
直柄式气动砂轮机 产品质量分等（内部使用）
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 straight pneumatic grinders. This standard applies to the quality grading of straight pneumatic grinders.
本标准规定了直柄式气动砂轮机的技术要求、产品质量等级划分、产品质量指标、试验方法和检验规则。本标准适用于直柄式气动砂轮机质量分等。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies of straight pneumatic grinders use this standard to grade and inspect product quality. It helps ensure consistency and reliability by setting specific indicators for qualified, first-grade, and premium-grade products, such as power, noise, and service life. This standard is important for regulating the market and enhancing product competitiveness.
直柄式气动砂轮机的制造商和质检机构使用本标准来对产品进行质量分等和检验。它通过设定合格品、一等品和优等品的具体指标（如功率、噪声、寿命等），帮助确保产品质量的一致性和可靠性。该标准对于规范市场、提升产品竞争力具有重要意义。
AI Summary AI generated
This standard JB/T 51159-1999 specifies the product quality grading requirements for straight pneumatic grinders, including technical conditions, quality grades (qualified, first-grade, premium-grade), specific indicators (such as power, air consumption, noise, service life), test methods and inspection rules. It applies to the quality evaluation of such products and references several related standards. Key technical changes include raising the judgment criteria for Class A nonconformities and adding indicators for the S40 series.
本标准JB/T 51159-1999规定了直柄式气动砂轮机的产品质量分等要求，包括技术条件、质量等级（合格品、一等品、优等品）、具体指标（如功率、耗气量、噪声、寿命等）、试验方法和检验规则。标准适用于该类产品的质量评定，并引用了多项相关标准。主要技术变化包括提高A类不合格的判定指标和增加S40系列产品指标。
Key Sentences extracted from text
本标准规定了直柄式气动砂轮机的技术要求、产品质量等级划分、产品质量指标、试验方法和检验规则。
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。
产品除应符合JB/T 7172 的规定外，其质量等级按本标准评定。
凡被检验项目不符合表1 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。
This standard specifies the technical requirements, product quality grade classification, product quality indicators, test methods and inspection rules for straight pneumatic grinders.
Products are divided into three grades: qualified product, first-grade product and premium-grade product according to quality level and use value.
In addition to complying with the provisions of JB/T 7172, the product quality grade shall be evaluated according to this standard.
Any inspected item that does not meet the requirements of Table 1 shall be considered nonconforming.
The normal inspection single sampling plan specified in GB/T 2828 shall be adopted.
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S40 系列产品的主轴功率和单位功率耗气量指标
- Raised the judgment criteria for Class A nonconformities for qualified and first-grade products
- Added spindle power and specific air consumption indicators for the S40 series products