Practice shows that, digitizing design method of PDC bits is characterized by short design cycle, low cost and high accuracy;therefore it is preferable than the traditional test method.

• 实践证明，利用数字化方法改进PDC钻头的设计比传统的试验方法具有设计周期短、成本低和准确度高的特点，是一种可取的设计方法。