JB/T 53538-1999
Double-rotor impact crusher - Product quality grading (Internal use)
双转子反击式破碎机 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 Grade → 4 Test Methods → 5 Inspection Rules
Scope
This standard specifies the quality grades, test methods, and inspection rules for double-rotor impact crusher products. This standard is applicable to the evaluation of the quality grades of double-rotor impact crusher products.
本标准规定了双转子反击式破碎机产品的质量等级、试验方法和检验规则。本标准适用于评定双转子反击式破碎机产品的质量等级。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies of double-rotor impact crushers use this standard to evaluate and grade product quality. It defines criteria for finished product inspection, production process quality control, and user feedback to ensure products meet qualified or first-class levels. This standard is important because it provides a unified quality assessment framework, enhancing product reliability and market competitiveness.
该标准由双转子反击式破碎机的制造商和质检机构使用，用于对产品进行质量等级评定。它通过规定成品检验、生产过程质量检查和用户评价等指标，确保产品达到合格品或一等品水平。该标准的重要性在于为行业提供了统一的质量评价依据，有助于提升产品可靠性和市场竞争力。
AI Summary AI generated
This standard JB/T 53538-1999 specifies the product quality grading requirements for double-rotor impact crushers, including two grades: qualified product and first-class product. It details quality grade indicators such as pass rates for finished product inspection and key items, and specifies test methods and inspection rules. Key technical content covers overall machine performance, component performance, reliability and life, safety and hygiene. The standard also defines sampling methods and judgment rules, providing a unified basis for product quality evaluation.
本标准JB/T 53538-1999规定了双转子反击式破碎机的产品质量分等要求，包括合格品和一等品两个等级。标准详细列出了质量等级指标，如成品检验项目合格率、关键项目合格率等，并规定了试验方法和检验规则。主要技术内容涉及整机性能、部件性能、可靠性与寿命、安全卫生等方面。标准还明确了抽样方法和判定规则，为产品质量评定提供了统一依据。
Key Sentences extracted from text
本标准规定了双转子反击式破碎机产品的质量等级、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。
双转子反击式破碎机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 double-rotor impact crusher products.
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-class product.
The quality grade index of the double-rotor impact crusher 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 sampling; if any item is unqualified, double sampling is not allowed.
Standard Timeline
Changes from replaced version:
- 可靠性与寿命中，原板锤的使用寿命改为金属磨耗
- 提出了板锤在相对位置的重量差的合格品指标
- In reliability and life, the original service life of the hammer was changed to metal wear
- Proposed the qualified product index for the weight difference of hammers at relative positions