A. S. Leonov, General Director, Candidate of Engineering Sciences, e-mail: alexanderleonov@rambler.ru, "SKAT" Ltd.; A. I. Tatyanin, IT Director, e-mail: Tatyanin_AI@sgok.ru; V. N. Chakov, Head of Concentrating Plant, e-mail: Chakov_VN@sgok.ru; I. F. Boyarov, Head of Central Complex Laboratory, e-mail: Boyarov_IF@sgok.ru, "Stoilenskiy Mining and Concentrating Plant" Company.

The possibilities of “Izmelchenie”(trans. “Grinding”) automation system, allowed to stabilize and optimize the process of ore grinding in tumbling mills and taken into account change of physical-mechanical properties of ground material, have been shown. The system successfully passes a test at I stage of grinding at benefication plant of Stoilenskiy Mining and Concentrating Plant.