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Ryazantsev A.A.,State Higher Educational Institution Kryvyi Rih National University
Metallurgical and Mining Industry | Year: 2014

Critical analysis of approaches for solution of the problem of increase of reliability and service life of open coarse-grained gears of spherical ore-pulverizing mills was carried out. The influence of physical mechanical properties of gear wheels material on the wear rate during running and set uniform wear of teeth contact point was determined. The abilities of their yielding surface plasma quenching were proved. © Metallurgical and Mining Industry, 2014. Source


Kondratets V.,State Higher Educational Institution Kryvyi Rih National University
Metallurgical and Mining Industry | Year: 2014

A method for adaptive control of the pulp thinning in a ball mill on the surface of the solid feed and boundary ratio of solid / liquid of the classifier sands, which allows to increase significantly the grinding efficiency is presented. © Metallurgical and Mining Industry, 2014. Source


Bondar E.,State Higher Educational Institution Kryvyi Rih National University
Metallurgical and Mining Industry | Year: 2015

New diagnostic features of instance detecting of operational defects occurring and significant impact on the fixed rotary machines loads growth, which cause a sharp reduction in their life, were developed, explored and suggested. The automation module of rotary machines operating condition control on the base of dynamic misalignment fact discovery was suggested. The module allows applying of unit maintenance circuit according to real situation, avoiding of unauthorized stops, examinations and interference in serviceable equipment, and thus eliminating of additional service costs. The calculations of economic benefits of the fixed diagnostic module use, profit from the implementation and payback period were carried out. © 2015. Metallurgical and Mining Industry. Source


Golik V.,Russian Academy of Sciences | Komashchenko V.,Belgorod State University | Morkun V.,State Higher Educational Institution Kryvyi Rih National University
Metallurgical and Mining Industry | Year: 2015

Geomechanical conditions of use of the utilized tails of enrichment of metallic mineral raw materials as the hardening stowage mix are proved. The grounds for the geomechanical balance control of the mountain mass preserving the Earth's surface by way of dividing it into safe areas according to their stress rate are indicated. The model of defining the economic and ecological efficiency of the technology using recycled processing tailings is suggested. © Metallurgical and Mining Industry, 2015. Source


Morkun V.,State Higher Educational Institution Kryvyi Rih National University | Morkun N.,National University of Management | Pikilnyak A.,State Higher Educational Institution Kryvyi Rih National University
Metallurgical and Mining Industry | Year: 2014

A method for the intensity control of the high-energy ultrasound influence on the iron ore pulp using Lyapunov and gradient methods based on MRAC system is described. © Metallurgical and Mining Industry, 2014. Source

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