Abstract

To study the patterns of rotational drilling, it is convenient to use a model of the drilling process The model is a set of dependencies that describe the ratio of the operating modes of the drilling machine, the operating parameters and drilling indicators under different operating conditions of the drilling machine A method for modeling an adaptive drilling machine with a rotary hydraulic motor and a feed hydraulic cylinder is presented. It is shown that the peculiarity of the motor switching scheme in an adaptive drilling machine can be studied under different operating modes For example, when adjusting the speed of rotation of the drill rod, varying the feed force, at different specified loads on the cutting tool. The results of the study of the strength of the drilled material and the degree of bluntness of the cutting crown are presented. Empirical equations are selected that allow calculating the forces on the cutting tool and calculating the moment of resistance to the rotation of the drill rod. paragraph, immediately following the heading. The text should be set to An approach to the analysis of the dynamics of such a drilling machine is presented, and a model is compiled that allows us to study the influence of drilling settings, modes and parameters on the dynamic parameters of the drilling process.

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