Autolisp,a computer aid design language,is applied to realize the parametric design of bionic bit The design of bit distribution,waterways and steel body will be finished through the analysis and calculations of parameters by the expert system in computer.

On the basis of analyzing the properties of bionic non-smooth surface,the non-smooth theory is applied in the bit design to develop the bionic diamond bit.

Research of diamond weak combined bit for high geo-stress stratum drilling;

Research into the new electroplating weak-holding diamond bits;

Research,development and application of the series core drilling bit for uranium exploration;