浅谈我国凿岩钎具的质量问题与建议  

A Brief Discussion of Quality of Rock Drilling Tools in China and Recommendations

作　　者：贺建国[1] 

机构地区：[1]长沙矿山研究院

出　　处：《矿业研究与开发》1998年第4期34-36,共3页Mining Research and Development

摘　　要：根据国家历次对钎具质量抽查的结果，阐述了我国小钎头和中空六角形钎杆存在的质量问题，分析了出现问题的原因，并提出了改进建议。ccording to the random sampling examination of all previous times,conducted by China national departments concerned,the author discusses the problems on the quality of smallsize bits and hollow hexagonal drill steel,analyzes their causes and puts forward some recommendations of their improvement.

关 键 词：钎头 钎杆 质量检验 合格率 凿岩钎具 

分 类 号：TD421.25[矿业工程—矿山机电] F407.163[经济管理—产业经济]