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22.435  Articles
1 of 2.245 pages  |  10  records  |  more records»
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Formulation of the problem. The achievement of high mechanical properties of the railway wheel rim made from carbon steel is ensured by the highly dispersed perlite structure formation in it and a small amount of pre-eutectoid ferrite, which is allocated ... see more

The subject matter of the research in the article is the process of restoring the quality and accuracy of the working surface of the wheelsets of the main electric locomotives, electric sections. The purpose of the work is to develop a modeling method for... see more

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Formulation of the problem. The problem of rise of reliability and service life of railway wheels connects not only with elaborate of new constructions of wheels and new steels but also with possibility to use the new methods of strengthening of tread. Th... see more

The subject of the research in the article are topical issues related to the development of technology for the repair and restoration of large-sized gears of drives of walking excavators, ore-grinding mills, ball mills. The goal is to develop a new techno... see more

Possibility of application of processes of laser superficial processing for restoration and increase of a resource of operation of shafts and rims of wheels of railway cars is investigated. The influence of critical parametres of process on depth of a zon... see more

The use of fully-mechanized operations, normally targeted at coniferous species, has also been on the rise in mixed-species and continuous-cover forests comprised of a strong share of deciduous species. With special form characteristics (complex crowns, l... see more

Process mechanization has contributed significantly to the increase of agricultural productivity, although the correct selection of machines must take into account a set of technical, administrative and economic parameters. Mathematical modeling of the so... see more

1 of 2.245 pages  |  10  records  |  more records»