硬质合金复合片齿钎具

Bits and Steels with Tungsten Carbide Composite Teeth

运用力学原理研制成功了复合片齿钎头和复合片齿整钎，并批量投入市场。该系列钎具凿岩速度、寿命和硬质合金片齿有效利用率均显著优于片状和球齿钎具。

The bits and integral steels with composite teeth are successfully developed. Based on the mechanical theory and put into market commercially. The rock drilling rate, service life and tungsten carbide toothavailability of the series of bits are obviously better than those of chip and button type bits.