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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">10.21285/1814-3520-2022-1-35-42</article-id><article-id custom-type="elpub" pub-id-type="custom">ipolytech-574</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 И МАШИНОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MACHINE BUILDING AND MACHINE SCIENCE</subject></subj-group></article-categories><title-group><article-title>Оптимизация процесса чистовой обработки  отверстий в многокомпонентных пакетах  из углепластиков и металлических сплавов</article-title><trans-title-group xml:lang="en"><trans-title>Optimisation of the bore reaming process in hybrid stacks made of carbon fibre and metal alloys</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6623-338X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чащин</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Chashchin</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чащин Николай Сергеевич - младший научный сотрудник.</p><p>664074, Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Nikolay S. Chashchin - Junior Researcher.</p><p>83, Lermontov St., Irkutsk, 664074</p></bio><email xlink:type="simple">rufle54007@mail.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>2022</year></pub-date><pub-date pub-type="epub"><day>04</day><month>04</month><year>2022</year></pub-date><volume>26</volume><issue>1</issue><fpage>35</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чащин Н.С., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Чащин Н.С.</copyright-holder><copyright-holder xml:lang="en">Chashchin N.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://ipolytech.elpub.ru/jour/article/view/574">https://ipolytech.elpub.ru/jour/article/view/574</self-uri><abstract><p>Цель – оптимизация технологии обработки отверстий в смешанных пакетах, содержащих слои композиционного материала, титанового и алюминиевого сплавов. Исследование проводилось с помощью статистических подходов к планированию экспериментов и обработке результатов в программе Statistica 6, а также в приложении Microsoft Excel 2010. Измерение шероховатости отверстий производилось на контактном профилометре Taylor Hobson Form Talysurf i200. Высота нароста на режущей кромке инструмента исследовалась с помощью оптического профилометра Bruker ContourGT-K1, снятие параметров диаметров отверстий – на координатноизмерительной машине Carl Zeiss CONTURA G2. Экспериментальное исследование производилось с помощью сверлильной машины с автоматической подачей Atlas Copco PFD-1500 и сборной развертки MAPAL диаметром 14 мм. Разработана и реализована методика комплексного экспериментального исследования процесса получения отверстий в СП структуры «титановый сплав ОТ4 – титановый сплав ВТ6 – полимерные композиционные материалы – титановый сплав ВТ6 – алюминиевый сплав 1933». Установлено, что наиболее значимыми факторами среди исследованных, влияющих на параметры точности отверстия, в частности на отклонение профиля продольного сечения отверстия, являются скорость резания в первой и второй степени, а также подача. Оптимальными режимами резания для поставленной цели являются скорость резания – 7,24 м/мин, подача – 0,27 мм/об и припуск на обработку – 0,5 мм. Таким образом, время обработки одного отверстия на операции развертывания снижено в 4,6 раза. Показано, что оптимальным способом охлаждения, обеспечивающим повышение точности и снижение шероховатости поверхности отверстия в слое из алюминиевого сплава, является охлаждение углекислым газом с температурой -56,5°C. Таким образом, в результате выполнения экспериментальных работ были исследованы основные закономерности процесса обработки точных отверстий в многокомпонентных смешанных пакетах из углепластиков, титановых и алюминиевых сплавов, реализуемого в технологической последовательности «сверление – развертывание».</p></abstract><trans-abstract xml:lang="en"><p>The present work aims to improve the existing technology of reaming bores in hybrid stacks containing a composite material interlayered with titanium and aluminium alloys. The study was conducted using statistical approaches at the stages of experimental design and data processing in the Statistica 6 and Microsoft Excel 2010 software. The bore roughness was measured using a Taylor Hobson Form Talysurf i200 contact profilometer. The height of the tool build-up edge was investigated using a Bruker ContourGT-K1 optical profilometer. Bore diameters were determined using a Carl Zeiss Contura G2 coordinate measuring machine. An experimental study was carried out using an Atlas Copco PFD-1500 automatic feed drilling unit and a 14 mm MAPAL reamer with a replaceable head. A methodology for a comprehensive experimental study of boring and reaming processes in the “OT4 titanium alloy - VT6 titanium alloy - polymeric composite materials - VT6 titanium alloy - 1933 aluminium alloy” hybrid stack was developed and implemented. It was found that the most significant factors affecting the parameters of bore accuracy, in particular, the deviation from the true bore longitudinal section profile, include the cutting speed in the first and the second degree, as well as the feed. The optimum cutting modes are a cutting speed of 7.24 m/min, a feed of 0.27 mm/rev and a machining allowance of 0.5 mm. As a result, the time of reaming one bore is reduced by 4.6 times. The optimum cooling method, ensuring the increased accuracy and reduced roughness of the bore in the aluminium alloy layer, is cooling by carbon dioxide at a temperature of -56.5°C. As a result of experimental works, basic laws governing the boring and reaming processes in multicomponent hybrid stacks composed by carbon-fibre-reinforced plastics with titanium and aluminium alloys were investigated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>развертывание</kwd><kwd>развертка</kwd><kwd>углепластик</kwd><kwd>смешанный пакет</kwd><kwd>титановый сплав</kwd><kwd>дисперсионный анализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reaming</kwd><kwd>reamer</kwd><kwd>carbon fiber</kwd><kwd>hybrid stack</kwd><kwd>titanium alloy</kwd><kwd>ANOVA</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">Chashhin N. S., Pashkov A. E., Ivanov Y. N., Sturov A. A. 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