加速推进我国小直径锥体连接钎具的科技进步  

Accelerating the Technical Progress or Small-diameter Joint Conical Bit in China

作　　者：张国榉[1] 张汉斌[1] 饶建华[1] 

机构地区：[1]中国地质大学掘进工程研究所,湖北武汉430074

出　　处：《矿山机械》2001年第6期15-18,共4页Mining & Processing Equipment

摘　　要：分析了我国小直径连接钎具结构、材质与制造技术长期落后的原因，较详细介绍了国外新产品的结构及受力特点，提出了有助于我国该行业发展的十项改进措施。The reasons, that fall back a long way in the structure. material and manufacturing technique of small-diameter joint conical bit in China, are analyzed and an introduction is presented in detail about foreign new product's structure and bearing force features. The 10-term improvement measures are put forward for helping Chinese the bit trade development.

关 键 词：中国 锥体连接钎具 钎头 钎杆 凿岩合金 改进措施 焊接技术 

分 类 号：TD421[矿业工程—矿山机电]