组合式牙轮钻头的特性、设计和使用

Properties, Design and Use of Combined Cone Type Cutting Head

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。

Abstract:

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.