Abstract

This study focuses on evaluating the efficiency of Bolter Miner technology in development workings of Polish underground coal mines. The Bolter Miner integrates continuous coal cutting, transportation, and simultaneous anchor roof support, significantly improving productivity and operational safety. Analytical modeling and field tests were conducted, taking into account seam geometry, mechanical properties of the coal seam, and roof strata. The machine's performance, roadway stability, and the impact of automated control systems on workflow optimization were assessed. The results allowed determination of optimal operating modes and highlighted the advantages of the technology compared to traditional development methods. The study demonstrated that the implementation of Bolter Miner reduces labor intensity, enhances personnel safety, and ensures stable roadway geometry. These findings have practical significance for increasing efficiency and safety in underground coal mining in Poland and provide a foundation for further adoption of modern mechanized technologies in mines across Central and Eastern Europe.

Keywords: Bolter Miner, development workings, underground coal mining, mechanized technology, mine safety

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