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Сварка Ð¶ÐµÐ»ÐµÐ·Ð½Ð¾Ð´Ð¾Ñ€Ð¾Ð¶Ð½Ñ‹Ñ Ñ€ÐµÐ»ÑŒÑÐ¾Ð²

выпускная квалификационная работа бакалавра

Сварка Ð¶ÐµÐ»ÐµÐ·Ð½Ð¾Ð´Ð¾Ñ€Ð¾Ð¶Ð½Ñ‹Ñ Ñ€ÐµÐ»ÑŒÑÐ¾Ð²

Abstract

Тема выпускной квалификационной работы: «Сварка железнодорожных рельсов». В работе рассматриваются марки стали для железнодорожных рельсов, производимые в России, их размеры и конструкционные особенности, а также оценивается их свариваемость. Приводятся основные способы сварки рельсов. Задачи выпускной квалификационной работы: - Установить и кратко изложить основные способы сварки железнодорожных рельсов; - Проанализировать достоинства и недостатки каждого способа; - Выбрать наиболее рациональный способ сварки; - Привести основные сведения по устройству оборудования для КССНО, обратив особое внимание на сварочный трансформатор; - Выявить особенности формирования сварного соединения. В результате выполнения работы был представлен обзор возможных способов сварки, описана сущность каждого способа, проанализированы их достоинства и недостатки. Опираясь на технико-экономические показатели, был выбран самый рациональный способ сварки железнодорожных рельсов, а именно - контактная сварка непрерывным оплавлением. Подробно описаны режимы сварки для этого способа, а также процессы, происходящие в месте образования сварного соединения. В конструкции рельсосварочных машин выделен сварочный трансформатор, как один из наиболее важных элементов. Представлены рельсосварочные машины отечественного и зарубежного производства, описана их конструкция и приведено сравнение их технологических показателей.

Topic of graduation qualification work: «Welding of railway rails». The work discusses the grades of steel for railway rails produced in Russia, their dimensions and specific design features, also estimate their weldability. The main methods of rail welding are given. Tasks of graduation qualification work: - Establish and summarize the main welding methods railway rails; - Analyze the advantages and disadvantages of each method; - Select contact butt welding continuous melting method as the most rational technology; - Provide basic information on equipment arrangement for contact butt welding continuous melting, paying special attention to the welding transformer; - Identify features of weld joint formation. As a result of the implementation of the work discusses fundamentally, an overview of possible welding methods, the essence of each method is described and analyzed, with their advantages and disadvantages. Based on technical and economic indicators, the most rational method of welding railway rails was chosen, and it is - contact welding by melting. Welding modes are described in detail for this method as well as the processes occurring in the place of formation of the welded joint. In design of rail welding machines, the transformer welder is singled out as one of the most important elements. Presented rail welding machines of domestic and foreign production, their design is described, and their comparison is given process indicators.

Keywords

контактная сварка непрерывным оплавлением, transformer, режим сварки, continuous contact welding melting, welding cars, трансформатор, welding mode, thermite welding, сварочные машины, термитная сварка

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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