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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">vimjour</journal-id><journal-title-group><journal-title xml:lang="ru">Сельскохозяйственные машины и технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Agricultural Machinery and Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-7599</issn><publisher><publisher-name>Federal State Budgetary Scientific Institution «Federal Scientific Agroengineering Center VIM»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22314/2073-7599-2022-16-3-48-54</article-id><article-id custom-type="elpub" pub-id-type="custom">vimjour-482</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>ИННОВАЦИОННЫЕ ТЕХНОЛОГИИ И ОБОРУДОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INNOVATIVE TECHNOLOGIES AND EQUIPMENT</subject></subj-group></article-categories><title-group><article-title>Качество упрочняющей пропитки 3D-печатных деталей сельскохозяйственной техники</article-title><trans-title-group xml:lang="en"><trans-title>The Quality of Strengthening Impregnation of 3D-Printed Parts for Agricultural Machinery</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>Казберов</surname><given-names>Р. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Kazberov</surname><given-names>R. Ya.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Роман Ярославович Казберов, младший научный сотрудник</p><p>Москва</p></bio><bio xml:lang="en"><p>Roman Ya. Kazberov, junior researcher</p><p>Moscow</p></bio><email xlink:type="simple">kazberov.roman.y@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>Тужилин</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Tuzhilin</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Петрович Тужилин, младший научный сотрудник</p><p>Москва</p></bio><bio xml:lang="en"><p>Sergey P. Tuzhilin, junior researcher</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>Федеральный научный агроинженерный центр ВИМ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Scientific Agroengineering Center VIM</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>10</month><year>2022</year></pub-date><volume>16</volume><issue>3</issue><fpage>48</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Казберов Р.Я., Тужилин С.П., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Казберов Р.Я., Тужилин С.П.</copyright-holder><copyright-holder xml:lang="en">Kazberov R.Y., Tuzhilin S.P.</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://www.vimsmit.com/jour/article/view/482">https://www.vimsmit.com/jour/article/view/482</self-uri><abstract><p>Отметили, что уровень механических свойств полимерных изделий, изготовленных с помощью традиционных технологий, выше, чем деталей, изготовленных 3D-печатью. Показали актуальность исследования различных способов упрочнения 3D-печатных изделий, например способа вакуумной пропитки в эпоксидных компаундах. (Цель исследования) Определить зависимость качества пропитки 3D-печатных деталей сельскохозяйственной техники от вязкости выбранного пропиточного эпоксидного компаунда. (Материалы и методы) Изменяли вязкость пропиточного эпоксидного компаунда, добавляя разбавители – ацетон и ДЭГ-1. Для измерения вязкости компаунда использовали ротационный вискозиметр. В качестве объектов пропитки выбрали шестерню привода магнето пускового двигателя трактора МТЗ и опору пальцев шнека жатки John Deere. Детали изготовили на 3D-принтере, работающем по технологии FDM. После пропитки проводили резку изделий в определенных сечениях для оценки наличия непролитых областей. Оценили количество смолы, затвердевшей на поверхности изделий. (Результаты и обсуждение) Установили, что ацетон снижает вязкость в 2 раза эффективнее, чем ДЭГ-1. Поскольку стоимость ацетона меньше, последующие эксперименты проводили на нем. Для пропитки деталей сельскохозяйственной техники выбрали три уровня вязкости: высокий, соответствующий исходной вязкости эпоксидного компаунда 16 паскаль-секунд; средний – 8,8 паскаль-секунды, соответствующий введению 0,5 процента (по массе) ацетона; низкий – 6,5 паскаль-секунды, соответствующий введению 1,5 процента (по массе) ацетона. Выявили, что изделия, пропитанные компаундами с высокой и низкой вязкостью, содержали много пор в сечениях и большое количество компаунда на поверхности. (Выводы) По результатам пропитки определили лучшую композицию – с вязкостью эпоксидной смолы 8,8 паскаль-секунды, что соответствует содержанию 0,5 процента (по массе) ацетона. Доказали, что повышенная вязкость компаунда не позволяет ему эффективно проникать внутрь детали, при низко</p></abstract><trans-abstract xml:lang="en"><p>It is noted that the level of mechanical properties of polymer products manufactured with the help of traditional technologies exceeds that of products made by 3D printing. The relevance of studying various methods of strengthening 3D printed products is shown, for example, the method of vacuum impregnation in epoxy compounds. (Research purpose) To determine the dependence between the quality of impregnation of 3D printed parts of agricultural machinery and the viscosity of the impregnating epoxy compound selected. (Materials and methods) The viscosity of the impregnating epoxy compound was changed by adding such diluents as acetone and DEG-1. The viscosity of the compound was measure by a rotational viscometer. The magneto drive pinion of the MTZ tractor starting engine and the auger pin support of the John Deere cutter bar were chosen as the objects for impregnation. The components were produced by a 3D-printer using FDM technology. After impregnation, the products were cut in certain sections to assess the existence of unfilled areas. The amount of resin hardened on the product surface was estimated. (Results and discussion) It has been found that acetone reduces viscosity 2 times more efficiently than DEG-1. Since acetone cost is lower, it was used for the subsequent experiments. For the impregnation of agricultural machinery parts, three levels of viscosity were chosen: the high level, corresponding to the 16 pascal-seconds initial viscosity of epoxy compound; the average level of 8.8 pascal-seconds, corresponding to the injection of 0.5 percent of acetone (by weight); the low level of 6.5 pascal-seconds, corresponding to the injection of 1.5 percent acetone (by weight). It was found that products impregnated with high and low viscosity compounds contained many pores in cross sections and a large amount of compound on the surface. (Conclusions) Based on the results of impregnation, the best composition proves to be that with the epoxy resin viscosity of 8.8 pascal-seconds corresponding to 0.5 percent of acetone (by weight). It is proved that the higher compound viscosity does not allow it to eff ectively penetrate into the product, at a lower viscosity, on the contrary, the compound leaks out of the product after impregnation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>эпоксидные смолы</kwd><kwd>3D-печать</kwd><kwd>вязкость эпоксидного компаунда</kwd><kwd>динамическая вязкость</kwd><kwd>АБС-пластик</kwd><kwd>полимеры.й вязкости</kwd><kwd>напротив</kwd><kwd>компаунд вытекает из детали после осуществления пропитки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>epoxy resins</kwd><kwd>3D printing</kwd><kwd>epoxy compound viscosity</kwd><kwd>dynamic viscosity</kwd><kwd>acrylonitrile butadiene styrene (ABS) plastic</kwd><kwd>polymers</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">Дорохов А.С., Старостин И.А., Ещин А.В. 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