FIELD: mining.
SUBSTANCE: method is based on bit delivery into a recess by a three-channel mechanical and hydraulic capacity converter, according to the proposed solution, mechanical energy is represented by a load on the "bit-face" system defined by the dead weight of the compressed part of the string, and is supplied to the system with a speed defined by the tool feed transition factor and the associated condition ensuring the optimisation of the drilling process, defined by a mathematical expression.
EFFECT: determination of the parameters of the conditions ensuring mechanical energy supply to the bit-face system, taking into account the rate of rock fracture on the face.
4 dwg
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