Based on the analysis of scientific data, the influence of the kinematics and geometry of the bit profile reinforced with diamond cutting elements on the process of directional drilling is investigated and technological problems affecting its effectiveness are highlighted. Optimal configurations for cutting elements have been developed. The geometric parameters of the front angle-β and the cutting angle-δ have been established, ensuring the destruction of the rock with the least effort. The rational location of the cutting elements on the side and working surfaces of the bit is substantiated. The expected result is an increase in the mechanical speed of penetration and an extension of the tool life.

Keywords: directional drilling, chisel, axial load, cutting elements, superhard material, cutting angle, front angle, chipping, crushing