Two types of matrix are provided for selecting in making impregnated diamond bit for Continental Scientific Drilling.
在对普通孕镶金刚石钻头高温力学性能检测的基础上 ,实验研究了 6种WC(W )基和 6种Ni基配方胎体的高温力学性质 ,从而提出 2种可供研制大陆科学钻探深部高温孔段孕镶金刚石钻头胎体使用的配方方案。
A new type of impregnated diamond bit with two sorts of diamond abrasives has been developed, which can improve both penetration rate and service life simultaneously.
研制出一种两级磨料新型孕镶金刚石钻头，该种钻头解决了时效与寿命不能同步提高这一长期困扰钻头研制者的难题。
The present paper deals systematically with the blunting and sharpening proces,mechanism, material reason and conditionsof impregnated diamond bit.
系统论述了孕镶金刚石钻头钝化和锐化的过程、机制、实质原因和条件，首次提出了暂时钝化和自行锐化的成层分布、趋平磨损、连锁反应和硬磨粒磨损等四方面机制，并将复杂的自行锐化条件归结为简明的锐化条件不等式δ≥δ＿０。
A new design thought is presented to design a new-type impregnated diamond bit for drilling slipping formation with principal abrasive material and assistant abrasive material in the working layer of the bit.
在分析打滑地层特点的基础上,指出了钻进该地层所存在的问题,提出了用于打滑地层钻进的新型孕镶金刚石钻头的设计思路,在钻头工作层中采用主、辅两种磨料,并对这两种磨料的工作机理、处理工艺以及该新型钻头的制造进行了阐述。