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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">cvmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Цветная металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Non-Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3438</issn><issn pub-type="epub">2412-8783</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0021-3438-2026-1-30-38</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-1752</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>Обработка металлов давлением</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Pressure Treatment of Metals</subject></subj-group></article-categories><title-group><article-title>Распределение деформационных параметров вдоль зоны калибровки развертки калибра станов ХПТ</article-title><trans-title-group xml:lang="en"><trans-title>Distribution of deformation parameters along the sizing zone groove-pass profile in HPT mills</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1110-2016</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пилипенко</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pilipenko</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Станислав Владимирович Пилипенко – к.т.н., доцент кафедры автомобильного транспорта</p><p>211443, Витебская обл., г. Новополоцк, ул. Блохина, 29</p></bio><bio xml:lang="en"><p>Stanislav V. Pilipenko – Cand. Sci. (Eng.), Associate Professor of the Department of Automobile Transport </p><p>29 Blokhina Str., Novopolotsk, Vitebsk region 211443</p></bio><email xlink:type="simple">44-08@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Полоцкий государственный университет им. Евфросинии Полоцкой</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Euphrosyne Polotskаya State University of Polotsk</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2026</year></pub-date><volume>32</volume><issue>1</issue><fpage>30</fpage><lpage>38</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пилипенко С.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Пилипенко С.В.</copyright-holder><copyright-holder xml:lang="en">Pilipenko S.V.</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://cvmet.misis.ru/jour/article/view/1752">https://cvmet.misis.ru/jour/article/view/1752</self-uri><abstract><p>Актуальность исследования обусловлена необходимостью совершенствования методики расчета деформационных параметров для станов холодной пильгерной прокатки труб, определения наиболее точных методик расчета, повышения точности геометрических характеристик труб, оптимизации энергопотребления и увеличения ресурса деформационного инструмента рассматриваемых станов. Целью работы являются определение функции распределения деформационных параметров в зоне калибровки и сравнительный анализ методов расчета дробности деформации. Методика исследования заключалась в анализе 6 промышленных калибровок стана ХПТ-32, на инструменте которого были прокатаны промышленные партии труб. Выбраны 2 калибровки с применением оправки с криволинейной образующей профиля рабочей зоны и 4 калибровки с использованием конусных оправок. Получены следующие результаты: функция деформации в зоне калибровки затухает на участке, соответствующем линейному смещению трубы за проход. Замечено, что величина деформации на значительной части участка затухания величины деформации существенно меньше допуска на диаметр. Это актуально для оптимизации длины зоны калибровки. Анализ точности определения величины дробности деформации показал, что метод с применением формулы П.К. Тетерина позволяет определять величину дробности деформации с большей точностью, чем общепринятая, наиболее распространенная и описанная в литературе формула. Разница тем больше, чем больше кривая развертки калибра и рабочей зоны оправки отличается от конусной, и может достигать 25–30 %. Установлено, что формула П.К. Тетерина для расчета дробности деформации учитывает влияние на дробность деформации изменения объема металла в конусе деформации, что позволяет определять эту величину с повышенной точностью. Полученные данные позволяют повысить точность расчетов деформационных параметров, что имеет значение для оптимизации технологических процессов холодной прокатки труб.</p></abstract><trans-abstract xml:lang="en"><p>This study addresses the need to improve methods for calculating deformation parameters in cold pilger tube rolling mills, identify the most accurate calculation approaches, improve tube dimensional accuracy, optimize energy consumption, and extend the service life of the deformation tooling used in these mills. The aim of the study was to determine the distribution function of deformation parameters in the sizing zone and to carry out a comparative analysis of methods for calculating the deformation fractionation parameter. The study involved an analysis of six industrial groove-pass designs for an HPT-32 mill, whose tooling had been used to roll industrial batches of tubes. Two groovepass designs employing a mandrel with a curved working-profile generatrix and four designs using conical mandrels were selected. It was found that the deformation function in the sizing zone decays over the section corresponding to the linear displacement of the tube per pass. Over a substantial part of this section, the deformation magnitude was shown to be considerably smaller than the diameter tolerance, which is important for optimizing the length of the sizing zone. Analysis of the accuracy of determining the deformation fractionation parameter showed that the method based on the P.K. Teterin formula makes it possible to determine this parameter more accurately than the generally accepted formula most widely used in the literature. The greater the deviation of the groove-pass profile and the mandrel working zone from a conical shape, the larger the discrepancy, which may reach 25–30 %. It was established that the P.K. Teterin formula for calculating the deformation fractionation parameter takes into account the effect of changes in metal volume within the deformation cone, thereby allowing this value to be determined with improved accuracy. The results obtained make it possible to improve the accuracy of deformation-parameter calculations, which is important for optimizing cold tube rolling processes.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>холодная прокатка труб</kwd><kwd>станы ХПТ</kwd><kwd>конус деформации</kwd><kwd>дробность деформации</kwd><kwd>зона калибровки</kwd><kwd>точность расчета</kwd><kwd>деформационные параметры</kwd><kwd>функция распределения.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cold tube rolling</kwd><kwd>HPT mills</kwd><kwd>deformation cone</kwd><kwd>deformation fractionation parameter</kwd><kwd>sizing zone</kwd><kwd>calculation accuracy</kwd><kwd>deformation parameters</kwd><kwd>distribution function.</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">Пумпянский Д.А., Илларионов А.Г., Водолазский Ф.В., Космацкий Я.И., Попов А.А. 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