1·Presently common means of PDC bit placing cutting is to draw and adjust the scheme.
目前常用的PD C钻头布齿设计方法是图解调整法。
2·The realizing of parametric design of screw thread of PDC bit makes CAE/CAM possible.
实现了PDC钻头螺纹部分的参数化设计，为进一步的CAE/CAM打下了坚实的基础。
3·Thus, it provides theoretical foundations for a PDC bit design and property simulation.
这为PD C钻头优化设计和性能模拟提供了理论依据。
4·PDC bit has long service life, which can improve drilling efficiency with obvious economical benefit.
实践证明，PD C钻头使用寿命长，在提高钻进效率的同时经济效益显著。
5·It is the key to ensure that PDC bit has choiceness of the work performance to reasonably place cutting.
合理的布齿是保证PD C钻头有优良工作性能的关键。
6·PDC bit mechanics analysis is the foundation of the working performance prediction and analysis of the bit.
PD C钻头的力学分析是钻头工作性能预测分析的基础。
7·PDC cutter size, back rake and density are very important design parameters affecting the performance of PDC bit.
PD C切削齿尺寸、后倾角和布齿密度是影响PD C钻头性能的重要设计参数。
8·Through field testing, the PDC bit suited for Sulige gas field increased drilling speed and obtained good result.
通过现场试验，大幅度提高了苏里格气田的钻井速度，取得了显著的效果。
9·Therefore, it is necessary to analyse and predict the strength state under the complicated moving condition of PDC bit.
因此，有必要对钻头在复杂工作条件下的受力进行分析、预测。
10·Maceration alloy is an important material in the coldpressed maceration, pressureless maceration and PDC bit manufacture.
浸渍合金是冷压浸渍、无压浸渍和PDC钻头制造中的重要材料。