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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">lim</journal-id><journal-title-group><journal-title xml:lang="ru">Литье и металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1683-6065</issn><issn pub-type="epub">2414-0406</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/1683-6065-2017-2-46-50</article-id><article-id custom-type="elpub" pub-id-type="custom">lim-1991</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>Металлургия</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Metallurgy</subject></subj-group></article-categories><title-group><article-title>СОВЕРШЕНСТВОВАНИЕ КАЛИБРОВКИ ГРИБОВИДНЫХ ВАЛКОВ ПРОШИВНОГО СТАНА ТРУБОПРОКАТНОГО ЦЕХА</article-title><trans-title-group xml:lang="en"><trans-title>IMPROVEMENT OF CALIBRATION OF CONE-SHAPED ROLLS OF THE PIERCING MILL OF THE PIPE-ROLLING SHOP</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>Коровин</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Korovin</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">ugpt.tpc@bmz.gomel.by</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>Шашков</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Shashkov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">ugpt.tpc@bmz.gomel.by</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>Ком</surname><given-names>О. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kom</surname><given-names>O. I.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Zhlobin city, Gomel region, 37, Promyshlennaya str.</p></bio><email xlink:type="simple">ugpt.tpc@bmz.gomel.by</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>Щеглов</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Scheglov</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">ugpt.tpc@bmz.gomel.by</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>Авдеев</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Avdeev</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">ugpt.tpc@bmz.gomel.by</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>Герасимов</surname><given-names>Ю. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Gerasimov</surname><given-names>Yu. L.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Zhlobin city, Gomel region, 37, Promyshlennaya str. </p></bio><email xlink:type="simple">ugpt.tpc@bmz.gomel.by</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>Бобарикин</surname><given-names>Ю. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Bobarikin</surname><given-names>Yu. L.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">bobarikin@tut.by</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>БМЗ – управляющая компания холдинга «БМК»</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>BSW - management company of "BMC" holding</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Гомельский государственный технический университет им. П. О. Сухого</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Pavel Sukhoi State Technical University of Gomel</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>04</day><month>07</month><year>2017</year></pub-date><volume>0</volume><issue>2</issue><fpage>46</fpage><lpage>50</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Коровин В.С., Шашков А.Н., Ком О.И., Щеглов А.Г., Авдеев С.В., Герасимов Ю.Л., Бобарикин Ю.Л., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Коровин В.С., Шашков А.Н., Ком О.И., Щеглов А.Г., Авдеев С.В., Герасимов Ю.Л., Бобарикин Ю.Л.</copyright-holder><copyright-holder xml:lang="en">Korovin V.S., Shashkov A.N., Kom O.I., Scheglov A.G., Avdeev S.V., Gerasimov Y.L., Bobarikin Y.L.</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://lim.bntu.by/jour/article/view/1991">https://lim.bntu.by/jour/article/view/1991</self-uri><abstract><p>Рассматриваются увеличение эксплуатационной стойкости технологического инструмента прошивного стана трубопрокатного цеха и снижение дефектности готовых труб за счет совершенствования калибровки грибовидных валков. Определено повышение стойкости прошивных оправок в 1,3–4,3 раза при использовании калибровки грибовидных валков с меньшим углом выходного конуса. Установлено улучшение качества наружной поверхности труб за счет применения опытной кольцевой калибровки валков. Показано, что данная калибровка требует больших затрат энергии при прошивке.</p></abstract><trans-abstract xml:lang="en"><p>The increase in operational durability of the technological tools of the piercing mill in the pipe-rolling shop and decrease in deficiency of produced pipes due to improvement of calibration of cone-shaped rolls is considered in the article. Increase in durability the piercing mandrels is evaluated as 1,3–4,3 times when using calibration of cone-shaped rolls with a smaller corner of an output cone. Improvement of quality of external surface of produced pipes was made due to application of experimental ring calibration of rolls. It is shown that this calibration demands big expenses of energy at the piercing.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>косовалковый прошивной стан</kwd><kwd>грибовидные валки</kwd><kwd>углы конусности поверхности валка</kwd><kwd>численное моделирование прошивки</kwd><kwd>кольцевая калибровка валков</kwd><kwd>энергоемкость прошивки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rotary piercer</kwd><kwd>cone-shaped rolls</kwd><kwd>corners of taper of a surface of a roll</kwd><kwd>numerical modeling of the piercing</kwd><kwd>ring calibration of rolls</kwd><kwd>power consumption of piercing</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">Шевакин Ю. Ф., Глейберг А. З. Производство труб. М.: Металлургия, 1968. 440 с.</mixed-citation><mixed-citation xml:lang="en">Shevakin Ju. F., Glejberg A. Z. Proizvodstvo trub [Production of pipes]. 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