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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">ipolytech</journal-id><journal-title-group><journal-title xml:lang="ru">iPolytech Journal</journal-title><trans-title-group xml:lang="en"><trans-title>iPolytech Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-4004</issn><issn pub-type="epub">2782-6341</issn><publisher><publisher-name>Irkutsk National Research Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/1814-3520-2025-4-477-491</article-id><article-id custom-type="edn" pub-id-type="custom">XPEMKH</article-id><article-id custom-type="elpub" pub-id-type="custom">ipolytech-988</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>МАШИНОСТРОЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Выбор режимов резания в зависимости от прочности режущего инструмента</article-title><trans-title-group xml:lang="en"><trans-title>Selection of cutting parameters based on tool strength</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1185-8638</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пономарев</surname><given-names>Б. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Ponomarev</surname><given-names>B. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Пономарев Борис Борисович, д.т.н., профессор,начальник управления по дополнительному образованию и социальной работе</p><p>664074, г. Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Boris B. Ponomarev, Dr. Sci. (Eng.), Professor, Head of the Department of Continuing Education and Social Work</p><p>83, Lermontov St., Irkutsk 664074</p></bio><email xlink:type="simple">pusw@ex.istu.edu</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>Нгуен</surname><given-names>Ван Дык</given-names></name><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>Van Duc</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нгуен Ван Дык, аспирант</p><p>664074, г. Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Van Duc Nguyen, Postgradute Student</p><p>83, Lermontov St., Irkutsk 664074</p></bio><email xlink:type="simple">Vanduc021086@gmail.com</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>Свинин</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Svinin</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Свинин Валерий Михайлович, д.т.н., профессор,профессор кафедры технологии и оборудованиямашиностроительных производств</p><p>664074, г. Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Valery M. Svinin, Dr. Sci. (Eng.), Professor, Professor of the Department of Technology and Equipment of Machine-Building Industries</p><p>83, Lermontov St., Irkutsk 664074</p></bio><email xlink:type="simple">svinin_vm@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2607-4302</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вулых</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vulykh</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вулых Николай Валерьевич, к.т.н., доцент, доцент кафедры материаловедения сварочных и аддитивных технологий</p><p>664074, г. Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Nikolay V. Vulykh, Cand. Sci. (Eng.), Associate Professor,Associate Professor of the Department of Materials Science, Welding and Additive Technologies</p><p>83, Lermontov St., Irkutsk 664074</p></bio><email xlink:type="simple">vulix2011@yandex.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>Димов</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dimov</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Димов Юрий Владимирович, д.т.н., профессор,профессор-консультант кафедры конструирования и стандартизации в машиностроении</p><p>664074, г. Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Yury V. Dimov, Dr. Sci. (Eng.), Professor, Consulting Professor of the Department of Mechanical EngineeringDesign and Standardization</p><p>83, Lermontov St., Irkutsk 664074</p></bio><email xlink:type="simple">dimov-ura@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>03</day><month>01</month><year>2026</year></pub-date><volume>29</volume><issue>4</issue><fpage>477</fpage><lpage>491</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пономарев Б.Б., Нгуен В.D., Свинин В.М., Вулых Н.В., Димов Ю.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Пономарев Б.Б., Нгуен В., Свинин В.М., Вулых Н.В., Димов Ю.В.</copyright-holder><copyright-holder xml:lang="en">Ponomarev B.B., Nguyen V.D., Svinin V.M., Vulykh N.V., Dimov Y.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://ipolytech.elpub.ru/jour/article/view/988">https://ipolytech.elpub.ru/jour/article/view/988</self-uri><abstract><p>Цель – повышение эффективности процесса свободного резания металлов за счет максимизации работоспособности режущего инструмента путем выбора режимов резания в зависимости от его запаса прочности. В работе использовали метод конечных элементов со специальной моделью Джонсона–Кука и алгоритмом локальной адаптации сетки срезаемого слоя Arbitrary Lagrangian-Eulerian для моделирования процесса резания и выявления распределения напряженного состояния в инструменте. В качестве материала инструмента принят твердый сплав ВК8, заготовки – сталь 45. Также были изучены алюминиевый и титановый сплавы 6061Т-6, Ti-6Al-4V – в качестве материалов заготовки. Адекватность модели подтверждена соответствием полученных распределений напряжений «растяжение–сжатие» в инструменте, наблюдаемых в виде линий изохром при резании свинца резцом из эпоксидного материала. Установлено влияние на прочность режущего инструмента режимов резания, механических свойств материалов заготовок и геометрии режущей кромки инструмента. Выявлено, что при увеличении глубины резания от 0,2 до 1,4 мм максимальное главное напряжение σ1макс линейно возрастает в 2,05 раза, а прочность режущего зуба инструмента, соответственно, уменьшается. При глубине резания 1,4 мм максимальное главное напряжение σ1макс достигает 780 МПа, и режущий инструмент разрушается. Показано, что влияние скорости резания изменяется по экспоненте. С ростом переднего угла прочность режущего инструмента уменьшается. Так, при обработке инструментом с передним углом, равным 20° (при σ1макс = 760 МПа), он теряет способность резания. Установлено, что запас прочности у инструмента при обработке материала из алюминиевого сплава 6061Т-6 в 3,1 раза больше, чем при свободном резании заготовки из стали 45. На основе расчетной модели и результатов анализа взаимосвязи прочности режущего инструмента с технологическими факторами предложена методика назначения режимов свободного резания с учетом его запаса прочности.</p></abstract><trans-abstract xml:lang="en"><p>This study aimed to improve the efficiency of free cutting of metals by maximizing tool performance. This was achieved through the selection of cutting parameters based on the safety factor of tools. This work employed the finite element method with a Johnson–Cook constitutive model and an Arbitrary Lagrangian–Eulerian mesh adaptation algorithm to simulate the cutting process and reveal the stress distribution in the tool. The tool material was cemented carbide VK8, while the workpieces were steel 45, aluminum alloy 6061-T6, and titanium alloy Ti-6Al-4V. Model adequacy was confirmed by the agreement between the calculated tensile–compressive stress distributions in the tool and the isochromatic lines observed during cutting of lead with an epoxy resin tool. The study established the influence of cutting regimes, workpiece mechanical properties, and tool edge geometry on tool strength. An increase in the cutting depth from 0.2 to 1.4 mm led to a linear increase in the maximum principal stress σ1макс by a factor of 2.05, thereby reducing tool tooth strength. At a depth of 1.4 mm, σ1макс reached 780 MPa, ree-sulting in tool failure. The influence of cutting speed was shown to follow an exponential relationship. An increase in the rake angle reduced tool strength; for instance, during machining with a rake angle of 20° (σ1макс = 760 МПа), the tool failed to maintain its cutting capacity. The safety factor of the tool when machining aluminum alloy 6061-T6 was found to be 3.1 times greater than during free cutting of steel 45. The computational model and analysis of the relationship between tool strength and technological factors enabled the development of a methodology for assigning free‑cutting regimes that incorporate the safety factor of a tool.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>методика</kwd><kwd>моделирование</kwd><kwd>метод конечных элементов</kwd><kwd>рациональный режим резания</kwd><kwd>работоспособность</kwd><kwd>максимизация</kwd><kwd>запас прочности</kwd></kwd-group><kwd-group xml:lang="en"><kwd>methodology</kwd><kwd>modeling</kwd><kwd>finite element method</kwd><kwd>rational cutting mode</kwd><kwd>efficiency</kwd><kwd>maximization</kwd><kwd>safety margin</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">Бетанели А.И. Прочность и надежность режущего инструмента. Тбилиси: Сабчота Сакартвело, 1973. 301 с.</mixed-citation><mixed-citation xml:lang="en">ВetаneIi A.I. 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