JB/T 53528-1999
JZA–5/1000 Safety Ladder Shaft Sinking Winch Product Quality Grading (Internal Use)
JZA–5/1000 安全梯凿井绞车 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 JZA–5/1000 safety ladder shaft sinking winch products. This standard is applicable to the evaluation of the quality grades of JZA–5/1000 safety ladder shaft sinking winch products.
本标准规定了JZA–5/1000 安全梯凿井绞车产品的质量等级、试验方法和检验规则。本标准适用于评定JZA–5/1000 安全梯凿井绞车产品的质量等级。
Normative References
Keywords
Application Summary AI generated
Mining machinery manufacturers and quality inspection agencies use this standard to grade the quality of JZA–5/1000 safety ladder shaft sinking winches. By defining three levels—qualified, first-class, and premium—it ensures product performance, reliability, and safety meet specified criteria. This standard provides a unified basis for internal quality control, helping to enhance product competitiveness and user satisfaction.
矿山机械制造企业和质量检验机构使用本标准来评定JZA–5/1000安全梯凿井绞车的质量等级。通过划分合格品、一等品和优等品，确保产品性能、可靠性和安全性达到相应水平。该标准为行业内部质量控制提供了统一依据，有助于提升产品竞争力和用户满意度。
AI Summary AI generated
This standard specifies the product quality grading requirements for JZA–5/1000 safety ladder shaft sinking winches, including quality grade classification, test methods, and inspection rules. Products are divided into three grades: qualified, first-class, and premium, based on comprehensive evaluation of finished product inspection, production process quality, accessory compatibility, and user feedback. The standard details pass rate indicators for finished product inspection, assembly/painting/packaging, and key component machining, and specifies sampling methods and judgment rules, serving internal quality control and grade assessment in the industry.
本标准规定了JZA–5/1000安全梯凿井绞车的产品质量分等要求，包括质量等级划分、试验方法和检验规则。产品分为合格品、一等品和优等品三个等级，依据成品检验、生产过程质量、附件配套及用户评价等综合评定。标准详细列出了成品检验、装配涂漆包装、主要零件加工等项目的合格率指标，并规定了抽样方法和判定规则，适用于行业内部质量控制和等级评定。
Key Sentences extracted from text
本标准规定了JZA–5/1000 安全梯凿井绞车产品的质量等级、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、一等品和优等品三个等级。
成品检验项目合格率、装配、涂漆和包装质量检验项目合格率、关键项目合格率、主要项目合格率应符合表1的规定。
所有检验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。
按实测结果的最低等级评定整批产品的质量等级。
This standard specifies the quality grades, test methods, and inspection rules for JZA–5/1000 safety ladder shaft sinking winch 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 three grades: qualified product, first-class product, and premium product.
The pass rate of finished product inspection items, the pass rate of assembly, painting and packaging quality inspection items, the pass rate of key items, and the pass rate of major items shall comply with the provisions of Table 1.
All inspection items are only allowed to be inspected and evaluated in the sample; if any item is unqualified, double sampling is not allowed.
The quality grade of the entire batch of products is determined based on the lowest grade of the measured results.
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.