摘要
对组合式牙轮钻头作了简要介绍,分析了其碎岩原理,并与刮刀钻头及滚刁钻头进行了特性对比,阐述了设计、使用要点。
A brief introduction is made on the combined cone type cutting head with the rock fragmentation analysed, and comparison is conducted with the drag bit and the roller type cutting head in characteristics. Key elements in design and use are described.
出处
《探矿工程》
1997年第1期28-30,共3页
Exploration Engineering(Drilling & Tunneling)