JB/T 51164-1999
Leg-Supported Electric Rock Drill Product Quality Grading (Internal Use)
支腿式电动凿岩机 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 leg-supported electric rock drills. This standard is applicable to the product quality grading of YDT30 leg-supported electric rock drills.
本标准规定了支腿式电动凿岩机的技术要求、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YDT30 型支腿式电动凿岩机产品质量分等。
Normative References
Keywords
Application Summary AI generated
Manufacturers, quality inspection agencies, and users of rock drilling machinery apply this standard to grade and accept YDT30 leg-supported electric rock drills. It defines specific criteria for qualified, first-class, and premium products, ensuring consistent performance and reliability. This standard is crucial for regulating the electric rock drill market and improving overall product quality.
该标准由凿岩机械制造企业、质量检验机构和用户使用，用于对YDT30型支腿式电动凿岩机进行质量等级评定和验收。它通过明确合格品、一等品和优等品的具体指标，确保产品性能一致性和可靠性。该标准对于规范电动凿岩机市场、提升产品质量水平具有重要意义。
AI Summary AI generated
This standard JB/T 51164-1999 specifies the product quality grading requirements for YDT30 leg-supported electric rock drills, including technical indicators, grade classification (qualified, first-class, premium), test methods, and inspection rules. Key quality indicators involve drilling speed, cleanliness, wear part life, and insulation resistance. Test methods cover no-load current, working current, drilling speed, noise, impact energy, etc. The inspection rules adopt the normal inspection single sampling plan of GB/T 2828, with nonconformities classified into A, B, and C categories. This standard replaces JB/T 51164-94 with no significant technical changes.
本标准JB/T 51164-1999规定了YDT30型支腿式电动凿岩机的产品质量分等要求，包括技术指标、等级划分（合格品、一等品、优等品）、试验方法和检验规则。主要质量指标涉及凿孔速度、清洁度、易损件寿命和绝缘电阻等。试验方法涵盖空载电流、工作电流、凿孔速度、噪声、冲击能等检测。检验规则采用GB/T 2828正常检查一次抽样方案，按A、B、C三类不合格进行判定。该标准替代了JB/T 51164-94，技术内容无重大变化。
Key Sentences extracted from text
本标准规定了支腿式电动凿岩机的技术要求、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。
定子绕组对机壳的冷态绝缘电阻应不小于50MΩ。
产品外观平整、色泽均匀，不得有碰伤和锈蚀。
根据抽样方案，对样本进行全数检查，样本中的不合格数小于或等于Ac 时判为合格；大于或等于Re 时判为不合格。
This standard specifies the technical requirements, product quality grade classification, product quality indicators, test methods and inspection rules for leg-supported electric rock drills.
Products are divided into three grades: qualified product, first-class product and premium product according to quality level and use value.
The cold-state insulation resistance of the stator winding to the housing shall not be less than 50 MΩ.
The product appearance shall be smooth, with uniform color, and free from scratches and rust.
According to the sampling plan, all samples shall be inspected; if the number of nonconforming items in the sample is less than or equal to Ac, it is judged as acceptable; if greater than or equal to Re, it is judged as unacceptable.
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.