转速对切削齿上的载荷分布基本无影响。
The rotary speed has no effect on the working load on cutting teeth.
自动装配切削齿，自动生成冠部的装齿齿槽和齿托结构。
Automatic assembling cutter and automatic creating the cutter's slot structure in crown.
新型切削齿及高密度保径布齿提高钻头在硬研磨性地层中的使用寿命。
New type PDC cutters and heavyset gage design promote longer bit life in hard and abrasive formations.
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