一、岩石破碎机理及钻头的选择(一)金刚石钻头破碎岩石机理研究金刚石钻进的理论,即有关金刚石破碎孔底岩石的机理,对于钻头的设计制造,钻进工艺等方面的改进,都有直接的关系。虽然对金刚石钻头破碎岩石的机理作了一些研究,但还没有统一的解释。一般认为:表镶金刚石钻头破碎岩石以磨削和研磨作用为主,工作原理与砂轮近似,兼有压碎、 First, the rock crushing mechanism and the choice of bit (A) Diamond Broken Rock Mechanism Diamond drill theory, that is, the mechanism of diamond crushing the bottom of the hole for the drill design and manufacturing, drilling technology and other improvements, there are Direct relationship. Although some research has been done on the mechanism of diamond bits breaking rocks, there is no unified explanation yet. Generally believed that: table set diamond bits broken rock to grinding and grinding the main role of working principle and grinding wheel, both crush,