A new index of rock-breaking tool efficiency


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Abstract

Based on the analysis of qualitative interaction between rocks and a rock-breaking tool, a new coefficient of the tool efficiency is proposed. This coefficient makes it possible to estimate the quality of the tool impact on broken rocks and to predict energy input of rock breaking and, consequently, productivity of mining machines in specific geotechnical conditions.

About the authors

B. L. Gerike

Institute of Coal, Siberian Branch

Email: klishinvi@icc.kemsc.ru
Russian Federation, pr. Leningradskii 10, Kemerovo, 650065

V. I. Klishin

Institute of Coal, Siberian Branch

Author for correspondence.
Email: klishinvi@icc.kemsc.ru
Russian Federation, pr. Leningradskii 10, Kemerovo, 650065

P. B. Gerike

Institute of Coal, Siberian Branch

Email: klishinvi@icc.kemsc.ru
Russian Federation, pr. Leningradskii 10, Kemerovo, 650065

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