In the light of the shortcomings of the design of PDC bitwith the commonly-used graphic method, a research on thetooth arrangement of the PDC bit by means of computers isconducted.

• 鉴于采用图解调整法设计PDC钻头存在效率低、工作量大、设计过程繁琐且有误差等不足,应用现代计算机技术对PDC钻头布齿设计进行了研究。