TY JOUR TI ANALYTICAL DETERMINATION OF CUTTING GENERAL EFFORT IN THE ROOT-TUBER CROP ROTOR GRINDER KW grinder KW compression force KW binding angle KW deformation process KW a block of knives KW sharpening angle KW slip angle KW cutting speed JO Bulletin of KSAU AU Ananyev, V.S. PY 2012 IS PB Krasnoyarsk State Agrarian University