Prokopenko S.A.,Tomsk Polytechnic University |
Ludzish V.S.,Ul Institutskaya |
Kurzina I.A.,Tomsk State University
Journal of Mining Science | Year: 2016
The determinants are found and the matrix is developed for rate of wear of heading machine cutting tool. Influence of rock strength on active life of heading machines is assessed. The authors describe field studies into the nature and rate of wear of cutters. The design of multiuse tangential revolving cutter of prolonged operating life is engineered and trialed. It is proposed to enhance rock cutting efficiency using a tool with a cutting wheel. © 2016, Pleiades Publishing, Ltd.
Ordin A.A.,Russian Academy of Sciences |
Timoshenko A.M.,Ul Institutskaya
Journal of Mining Science | Year: 2015
The theoretical proof is presented for absolute coal bed methane release as a nonlinear extremum function of production face output. The article gives actual and theoretical evidences of reduction in absolute coal bed methane release under high-rate advance of production face. © 2015, Pleiades Publishing, Ltd.