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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">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2018-8-620-624</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-1411</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>НАУКА ПРОИЗВОДСТВУ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SCIENCE APPLICATION</subject></subj-group></article-categories><title-group><article-title>РАСЧЕТ ПАРАМЕТРОВ УПРУГОГО ПНЕВМАТИЧЕСКОГО ЭЛЕМЕНТА, ВЫПОЛНЕННОГО В ВИДЕ ЦИЛИНДРА С ОГРАНИЧЕННОЙ РАДИАЛЬНОЙ ДЕФОРМАЦИЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>CALCULATION OF PARAMETERS OF RESILIENT PNEUMATIC ELEMENT, EXECUTED AS A CYLINDER WITH LIMITED RADIAL DEFORMATION</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>Никитин</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitin</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор, директор института машиностроения и транспорта</p><p>654007, Россия, Кемеровская обл., Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Postgraduate of the Chair of Mechanics and Machine Engineering</p><p>Novokuznetsk, Kemerovo Region, Russia</p></bio><email xlink:type="simple">nikitin1601@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>Абрамов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Abramov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры механики и машиностроения</p><p>654007, Россия, Кемеровская обл., Новокузнецк, ул. Кирова, 42</p></bio><bio xml:lang="en"><p>Postgraduate of the Chair of Mechanics and Machine Engineering</p><p>Novokuznetsk, Kemerovo Region, Russia</p><p> </p></bio><email xlink:type="simple">alex.abram@mail.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>Баженов</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bazhenov</surname><given-names>J. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент кафедры маркетинга</p><p>620002, Россия, Екатеринбург, ул. Мира, 19</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Assist. Professor of the Chair of Marketing</p><p>Ekaterinburg, Russia</p></bio><email xlink:type="simple">mta@kpost.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский государственный индустриальный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian State Industrial University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Уральский федеральный университет имени первого Президента России Б.Н. Ельцина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ural Federal University named after the first President of Russia B.N. Yeltsin</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>22</day><month>10</month><year>2018</year></pub-date><volume>61</volume><issue>8</issue><fpage>620</fpage><lpage>624</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Никитин А.Г., Абрамов А.В., Баженов И.А., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Никитин А.Г., Абрамов А.В., Баженов И.А.</copyright-holder><copyright-holder xml:lang="en">Nikitin A.G., Abramov A.V., Bazhenov J.A.</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://fermet.misis.ru/jour/article/view/1411">https://fermet.misis.ru/jour/article/view/1411</self-uri><abstract><p>Рассмотрены причины возникновения колебаний (вибраций) в машиностроительных конструкциях и их влияние на работоспособность механизмов. Определено, что одним из основных источников колебаний элементов машин являются подшипники скольжения, в которых вал находится во втулке (вкладышах) с зазором, при выборке которого происходит удар. Рассмотрен принцип действия виброзащитных систем, основным элементом которых является упругий элемент – амортизатор. Проанализировано влияние жесткости упругого элемента на работоспособность подшипников скольжения. Приведена конструкция упругого пневматического элемента повышенной жесткости, выполненного в виде цилиндра с ограниченной радиальной деформацией. Показано, что способность такого элемента центрировать вал относительно геометрической оси опоры под действием радиальной нагрузки обеспечивается возникновением разности площади контакта внешней поверхности корпуса подшипника и поверхности упругого цилиндра. Разработана методика расчета приращения площади контакта упругого элемента, выполненного в виде пневматического цилиндра с ограниченной радиальной деформацией, с поверхностью, через которую передается внешняя нагрузка при заданных параметрах опоры: длине цилиндра и величине избыточного давления газа внутри цилиндра. Считается, что вал находится в подшипнике без зазора, и оболочка, образующая цилиндр, нерастяжимая. Установлено, что деформация и жесткость упругого пневматического цилиндра с ограниченной радиальной деформацией зависят от его длины и величины избыточного давления внутри полости. Полученные математические зависимости позволяют определять и задавать параметры упругого пневматического элемента, выполненного в виде цилиндра с ограниченной радиальной деформацией (длину цилиндра и величину избыточного давления газа внутри цилиндра) в зависимости от условий эксплуатации подшипника скольжения.</p></abstract><trans-abstract xml:lang="en"><p>The reasons for the occurrence of vibrations in engineering constructions and their effect on the operability of mechanisms are considered It is determined that one of the main sources of vibration of machine elements are plain bearings, in which the shaft is located in the hollow bar (liver) with a gap, there is a struck at the selection of it. The principle of vibration protection systems is considered, the main element of which is the elastic element - shock absorber. The influence of the rigidity of the elastic element on the performance of sliding bearings is analyzed. The design of an elastic pneumatic element of increased stiffness, made in the form of a cylinder with limited radial deformation, is given. It is shown that the ability of such an element to center the shaft relative to the geometric axis of the support under the action of a radial load is provided by the appearance of a difference in contact area between the outer surface of the bearing housing and the surface of the elastic cylinder. A technique is developed for calculating the increment of the contact area of an elastic element, made in the form of a pneumatic cylinder with limited radial deformation, with a surface through which the external load is transmitted at specified support parameters: the length of the cylinder and the amount of excess gas pressure inside the cylinder. It is believed that the shaft is in the bearing without a gap, and the shell forming the cylinder is inextensible. It is established that the deformation and rigidity of an elastic pneumatic cylinder with limited radial deformation depend on its length and the magnitude of the excess pressure inside the cavity. The obtained mathematical dependencies allow defining and setting parameters of an elastic pneumatic element made in the form of a cylinder with limited radial deformation (cylinder length and the value of excess gas pressure inside the cylinder) depending on operating conditions of the sliding bearing.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>вибрация</kwd><kwd>амортизатор</kwd><kwd>упругий элемент</kwd><kwd>внешняя нагрузка</kwd><kwd>избыточное давление</kwd><kwd>деформация</kwd><kwd>жесткость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>vibration</kwd><kwd>shock absorber</kwd><kwd>elastic element</kwd><kwd>external load</kwd><kwd>overpressure</kwd><kwd>deformation</kwd><kwd>stiffness</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">Иванов А.П. 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