TY JOUR TI The combined effect of cutting speed and feed on the power characteristics in the time of drilling KW drilling KW axial force KW operating torque KW experiment planning method JO Science intensive technologies in mechanical engineering AU Guseinov, R.V. AU Sultanova, L.M. AU Sakhno, K.N. AU Ruban, A.R. PY 2021 IS 2021 PB Bryansk State Technical University