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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2016-3-154-158</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-816</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МЕТАЛЛУРГИЧЕСКИЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METALLURGICAL TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>МОДЕЛИРОВАНИЕ ПРОЦЕССА ФОРМОИЗМЕНЕНИЯ ТРУБНОЙ ЗАГОТОВКИ НА СПЕЦИАЛИЗИРОВАННОЙ ПРОФИЛЕГИБОЧНОЙ УСТАНОВКЕ</article-title><trans-title-group xml:lang="en"><trans-title>SIMULATION OF FORMING OF PIPE BILLET AT SPECIALIZED FORMING INSTALLATION</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Самусев</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Samusev</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор кафедры технологии и оборудования трубного производства,</p><p>119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor of the Chair “Technology and Equipment for Pipe Production”,</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жигулев</surname><given-names>Г. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhigulev</surname><given-names>G. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, эксперт кафедры технологии и оборудования трубного производства,</p><p>119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Assist. Professor of the Chair “Technology and Equipment for Pipe Production”,</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фадеев</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Fadeev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>инженер,</p><p>119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Engineer,</p><p>Moscow</p></bio><email xlink:type="simple">fdv_viktor@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Манахов</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Manakhov</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>магистрант,</p><p>119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>MA Student,</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет «МИСиС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology “MISIS” (MISIS)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>31</day><month>03</month><year>2016</year></pub-date><volume>59</volume><issue>3</issue><fpage>154</fpage><lpage>158</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Самусев С.В., Жигулев Г.П., Фадеев В.А., Манахов К.С., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Самусев С.В., Жигулев Г.П., Фадеев В.А., Манахов К.С.</copyright-holder><copyright-holder xml:lang="en">Samusev S.V., Zhigulev G.P., Fadeev V.A., Manakhov K.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://fermet.misis.ru/jour/article/view/816">https://fermet.misis.ru/jour/article/view/816</self-uri><abstract><p>Представлена методика и результаты измерения профиля трубной заготовки для технологического процесса формовки листовой заготовки. При производстве сварных прямошовных труб большого диаметра зафиксировано явление отрыва заготовки от деформирующего инструмента в зоне очаге деформации. Указанное явление отрыва исследовано на гибочной установке. Эксперименты показали, что заготовка в зоне отставания от рабочего инструмента имеет сложную кривизну профиля. Разработана программа расчета координат и радиусов кривизны поверхности заготовки по фотографиям очага деформации. Получена кривая профиля заготовки с учетом изменения кривизны отрыва от пуансона. Явление отрыва использовано при расчетах радиуса кривизны после разгрузки.</p></abstract><trans-abstract xml:lang="en"><p>Abstract. A method and results of measuring the billets profi le are described for the process of slab molding. The phenomenon of separation from the workpiece deforming tool in the area of the deformation zone was recorded at the production of longitudinal welded largediameter pipes. This phenomenon was studied on the separation bending installation. The experiments have shown that the billet in the area of the working gap tool has a complex curvature profi le. The authors have worked out a program for calculating the coordinates and radii of curvature of the surface of the workpiece on photographs of the deformation zone. The curve of the workpiece profi le based on the change of curvature of the punch was determined. The phenomenon of billets separation can be used to calculate the radius of curvature after unloading.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>трубная заготовка</kwd><kwd>электросварная труба</kwd><kwd>шаговая формовка</kwd><kwd>очаг деформации</kwd><kwd>полный контакт</kwd><kwd>отрыв заготовки</kwd><kwd>пуансон</kwd><kwd>изгиб заготовки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tubular billet</kwd><kwd>pipe electric welding</kwd><kwd>stepping molding</kwd><kwd>deformation zone</kwd><kwd>full contact</kwd><kwd>separation of billets</kwd><kwd>punch</kwd><kwd>billet bending</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Самусев С.В., Фадеев В.А. Установки физического моделирования процесса формовки сварных прямошовных труб в лабораторном комплексе кафедры ТОТП НИТУ «МИСИС» // Сб. докл. Междунар. науч.-технич. конгресса «ОМД 2014. Фундаментальные проблемы. 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