PD C钻头的力学分析是钻头工作性能预测分析的基础。
PDC bit mechanics analysis is the foundation of the working performance prediction and analysis of the bit.
三牙轮钻头结构复杂，其中齿面结构直接与地层接触，对于岩石破碎过程和钻头工作性能的影响最大。
The structure of tri-cone rock bit is complicated. As the cutting structure touch the stratum directly, it affects the process of breaking rock and the performance of tri-cone rock bit.
钢齿牙轮钻头增强了工作的平稳性，降低了牙齿的冲击载荷，使牙轮钻头的耐磨性能得到提高；
Steel tooth bit can increase the bit's stability and lower the tooth impact load, and enhance its wear resistance.
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