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The paper presents a comprehensive study of the process of diffusion of impurities, the formation of gases and their mass transfer in the gas-air space of the treatment zone. In addition, the author discusses changes in the state of the cutting process, including the state of the cutting tool and the surfaces of the processed products. Accordingly, the main scientific result is the development of methods and means of controlling the processes of mechanical processing based on mathematical models. The use of such systems in automated production allows you to increase productivity and reduce processing costs by increasing the reliability of processing at higher cutting conditions, timely change of substandard tools, reducing product scrap and tool consumption. In addition, to increase the reliability of the processing systems by timely replacement of extremely worn or broken tools on a backup tool.

Ways to increase electricity production on operation nuclear power plants by means of improving circuit equipment performance are considered. The paper gives specific quantitative examples of underproduction of electric power by individual nodes of the thermal circuit of a nuclear power unit. The authors emphasize the importance of the development of a thermal-hydraulic model of an NPP unit at the stage of data processing of thermal tests with a view to agreeing the energy and material balances of the thermal scheme. This approach allows to increase the accuracy of the analysis of thermal efficiency of energy equipment.