On the basis of that the diamonds distribute in the impregnated bit homogeneously, the ar-ticle calculates the cutting depth and the normal force on the protrusion diamond on the crown.

• 本文以金刚石在孕镶钻头中均匀分布为基础,从理论上推导出唇面径向不同位置的金刚石切深、受力。