大直径深孔钻具失效原因探讨  

An Approach to the Cause of Failure of Large Diameter Long-hole Drilling Tools

作　　者：曹亚林[1] 

机构地区：[1]安庆铜矿,安徽怀宁县246131

出　　处：《矿业研究与开发》2000年第1期33-34,共2页Mining Research and Development

摘　　要：文章主要就安庆铜矿大直径深孔凿岩钻具的失效形式和原因进行了探讨 ,并从钻具使用角度出发提出了提高凿岩钻具使用寿命的途径。This paper made an approach to the form and cause of the failure of large diameter long-hole rock drilling tools in Anqing Copper Mine and put forward some ways for extending the service life of rock drilling tools in the light of its practical use.

关 键 词：大直径 深孔凿岩 钻具 失效原因 铜矿 

分 类 号：TD421.25[矿业工程—矿山机电] TD231.6