INVESTIGATION OF THE TECHNOLOGICAL EFFICIENCY OF SBSH-250 MNA-32 DRILLING RIGS USED AT THE “YOSHLIK I” DEPOSIT AND THE PHYSICO-MECHANICAL IMPACT OF THE ROCK MASS
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This article investigates the technical and technological capabilities of the SBSh-250 MNA-32 drilling rigs used at the “Yoshlik I” deposit, as well as the influence of the physico-mechanical properties of the rock mass on the drilling process. The study analyzes the relationship between the rock hardness coefficient, compressive and shear strength, and drilling speed. Based on the Protodyakonov scale, the drillability category of the rocks was determined, and the optimal operating modes of the SBSh-250 MNA-32 drilling rig were substantiated. The research results contribute to improving drilling efficiency and reducing energy consumption.
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