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Browsing Статті КЕТЕМ by Author "Artemchuk, Viktor V."
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Item Feasibility Study for Extending the Rolling Stock Component Life(Academic Society of Michal Baludansky, Kosice, 2019) Artemchuk, Viktor V.; Krasnov, Roman V.; Karasev, Oleksandr P.ENG: The article deals with the problem of determining the rational extension of the railway rolling stock component life. It is noted that a key part of the repair development, including on railway transport, is an extended service life of the rolling stock components. Given that a significant proportion of the repair cost is spent for the replacement or repair of worn parts, there is a conclusion that component life must be extended to reduce further repair costs. However, unjustified increase in the service life of all components is not feasible, since the life of individual components may be greater than the life of the entire product. Obviously, it is not expedient to extend the life for all the details, but only that of the most responsible and (or) most worn out, which greatly affect the service life of the assembly or unit as a whole. That is, there is a need to match the life of the entire assembly and individual components. Therefore, in the presented work, theoretical research was carried out to solve the complex task of determining the rational life of rolling stock components taking into account the resource of assemblies and the rolling stock vehicle as a whole. When searching for rational parameters, the durability of components and the factors affecting their life were investigated and the possibilities of various restorative and strengthening technologies were evaluated. The developed approach is flexible and allows for consideration of technological limitations of production, financial constraints and the introduction of life limits for a specific component. Also the article covers the shortcomings of the presented methodology. At the same time it is should be noted that with the development of the diagnostic system, obtaining the necessary data will be less labour intensive and will require less time, and with the development of the necessary software, the accumulation and processing of statistics can be fully automated. In this paper, it is assumed that the presented methodology will make it more attractive to use renewable technologies, save considerable resources and find the necessary restorative or strengthening technology that will bring the life of different components closer to the life of the assembly or mechanism as a whole.