硬岩钻井刀具密封失效原因分析及改进  

Analysis and Promotion for Seal Failure of Hard Rock Hobbing Cutters

作　　者：殷亮[1] 尹晓利[1] 胡昊[1] 

机构地区：[1]西北核技术研究所,西安710024

出　　处：《煤矿机械》2011年第11期177-179,共3页Coal Mine Machinery

摘　　要：针对硬岩钻井施工中出现刀具寿命短、更换刀具成本高等问题,分析了硬岩钻井刀具密封结构失效的原因,并有针对性地提出了刀具密封失效的改进措施,对提高硬岩钻井刀具使用寿命、降低钻井成本等都具有重大意义。The paper analyses various reason of sealed structure failure of hard rock hobbing cutters,and suggests some technical measures to prevent such problems.All those technical measures above are of significance to effectively prolong life time of hard rock hobbing cutters,shorten drilling time and reduce costs.

关 键 词：硬岩钻井刀具 密封失效 技术措施 

分 类 号：TD421.5[矿业工程—矿山机电]