JB/T 53578-1999
KQJ Down-the-hole Drill - Product Quality Grading
KQJ 潜孔钻机 产品质量分等
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 KQJ-80 and KQJ-100 down-the-hole drills. This standard is applicable to evaluating the quality grades of KQJ-80 and KQJ-100 down-the-hole drills.
本标准规定了KQJ–80、KQJ–100 潜孔钻机的质量等级、试验方法和检验规则。本标准适用于评定KQJ–80、KQJ–100 潜孔钻机的质量等级。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies of KQJ down-the-hole drills use this standard to classify product quality into qualified or first-grade levels. It helps ensure product reliability and market competitiveness by defining criteria for final product inspection, in-process quality checks, and user feedback. This standard is important for standardizing quality control in the down-the-hole drill industry.
KQJ潜孔钻机的制造商和质检机构使用本标准来划分产品质量等级，确保产品达到合格品或一等品要求。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，帮助提升产品可靠性和市场竞争力。该标准对于规范潜孔钻机行业的质量控制具有重要意义。
AI Summary AI generated
This standard specifies the quality grades, test methods, and inspection rules for KQJ-80 and KQJ-100 down-the-hole drills. Products are classified into two grades: qualified and first-grade, based on adopted standards, technical level, final product inspection, in-process quality checks, and user feedback. It details final product inspection items, key component manufacturing quality requirements, assembly/painting/packaging inspection items, and test conditions with specific methods. Inspection rules cover sampling, judgment criteria, and evaluation, emphasizing that the lowest measured grade determines the batch quality.
本标准规定了KQJ-80和KQJ-100潜孔钻机的质量等级、试验方法和检验规则。产品分为合格品和一等品两个等级，评定依据包括采用的标准、技术水平、成品检验、生产过程质量检查和用户评价。标准详细列出了成品检验项目、主要零件加工制造质量要求、装配涂漆包装检验项目，以及试验条件和具体试验方法。检验规则包括抽样方法、判定规则和评定结果，强调以实测结果的最低等级评定整批产品质量。
Key Sentences extracted from text
本标准规定了KQJ–80、KQJ–100 潜孔钻机的质量等级、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。
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。
按实测结果的最低等级评定整批产品的质量等级。
已定等级的一批产品，其中每台产品的等级都不应高于该批所定的等级。
This standard specifies the quality grades, test methods, and inspection rules for KQJ-80 and KQJ-100 down-the-hole drills.
The quality grade of the product is determined based on the adopted standards, product technical level, final product inspection, quality checks during production, and user evaluation opinions, and is divided into two grades: qualified product and first-grade product.
All inspection items are only allowed to be assessed in sampling; if any item is unqualified, double sampling is not permitted.
The quality grade of the entire batch of products is determined by the lowest grade of the actual measurement results.
For a batch of products that has been graded, the grade of each individual product shall not be higher than the grade assigned to the batch.
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.
- The main technical content remained unchanged.