JB/T 53548-1999
Single-shaft vibrating screen for coal - Product quality grading (Internal use)
煤用单轴振动筛 产品质量分等(内部使用)
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 质量等级 → 4 试验方法 → 5 检验规则 Foreword → 1 Scope → 2 Normative References → 3 Quality Grades → 4 Test Methods → 5 Inspection Rules
Scope
This standard specifies the quality grades, test methods and inspection rules for single-shaft vibrating screen products for coal. This standard is applicable to the evaluation of the quality grades of single-shaft vibrating screen products for coal.
本标准规定了煤用单轴振动筛产品的质量等级、试验方法和检验规则。本标准适用于评定煤用单轴振动筛产品的质量等级。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection departments in the coal industry use this standard to grade the quality of single-shaft vibrating screens. It helps users select qualified or first-grade equipment, ensuring screening efficiency and reliability. By specifying pass rates for key and major items, the standard improves product consistency and market competitiveness.
煤炭行业的生产企业和质量检验部门使用本标准,对煤用单轴振动筛进行质量等级评定。它帮助用户选择合格或一等品设备,确保筛分效率和设备可靠性。该标准通过明确关键项目和主要项目的合格率要求,提升了产品质量的一致性和市场竞争力。
AI Summary AI generated
This standard provides a basis for grading the quality of single-shaft vibrating screens for coal, dividing products into qualified and first-grade levels. It specifies indicators for finished product inspection, assembly/painting/packaging quality, and key component machining, with clear pass rates for critical and major items. Test methods cover seal condition, amplitude, frequency, bearing temperature, and noise. Inspection rules include sampling and judgment procedures. The standard aims to enhance product consistency and reliability.
本标准为煤用单轴振动筛产品质量分等提供依据,将产品分为合格品和一等品两个等级。标准规定了成品检验、装配涂漆包装质量、主要零件加工质量等指标,并明确了关键项目和主要项目的合格率要求。试验方法涵盖振动器密封、振幅、频率、轴承温度、噪声等检测,检验规则包括抽样方法和判定规则。该标准旨在提升产品质量的一致性和可靠性。
Key Sentences extracted from text
本标准规定了煤用单轴振动筛产品的质量等级、试验方法和检验规则。
产品的质量等级根据采用的标准、产品的技术水平、成品检验、生产过程中的质量检查和用户评价意见几个方面来确定,分为合格品和一等品两个等级。
振动筛的质量等级指标应符合表1的规定。
成品检验项目应符合表2的规定。
所有检测项目只允许在抽样中检查评定,任何项目不合格时不允许再加倍抽查。
This standard specifies the quality grades, test methods and inspection rules for single-shaft vibrating screen products for coal.
The quality grade of the product is determined based on the adopted standards, product technical level, finished product inspection, quality inspection during production, and user evaluation opinions, and is divided into two grades: qualified product and first-grade product.
The quality grade indicators of the vibrating screen shall comply with the provisions of Table 1.
The finished product inspection items shall comply with the provisions of Table 2.
All inspection items are only allowed to be inspected and evaluated in the sampling; if any item is unqualified, double sampling is not allowed.
Standard Timeline
Changes from replaced version:
- 调整了关键项目
- 提高了环槽铆钉的抗拉强度
- Adjusted key items
- Increased the tensile strength of ring-groove rivets