TY JOUR TI COMPUTER-AIDED DESIGN SYSTEM APPLICATION FOR CALCULATION PARAMETERS OF STRENGTH OF BALL MILL CLASSIFICATION DEVICES KW ball mill KW classification device KW grinding media KW mathematical model of the process KW methods KW load KW deformation JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Khanin, S.I. AU Starchenko, D.N. AU Mordovskaya, O.S. AU Harin, N.P. PY 2017 IS 2 PB Belgorod State Technological University named after V.G. Shukhov