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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">vestnikvniizht</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Научно-исследовательского института железнодорожного транспорта (ВЕСТНИК ВНИИЖТ)</journal-title><trans-title-group xml:lang="en"><trans-title>RUSSIAN RAILWAY SCIENCE JOURNAL</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2223-9731</issn><issn pub-type="epub">2713-2560</issn><publisher><publisher-name>Joint Stock Company "Railway Research Institute"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestnikvniizht-53</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>Другое</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Miscellaneous</subject></subj-group></article-categories><title-group><article-title>Повышение износостойкости пары трения клин фрикционный - планка фрикционная клинового гасителя колебаний тележки грузового вагона</article-title><trans-title-group xml:lang="en"><trans-title>Wear Resistance Improvement in the Friction Wedge - Friction Plate Pair of a Freight Car Bogie Wedge-Type Shock Absorber</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>Сухов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sukhov</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">A_Sukhov@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>Борщ</surname><given-names>Б. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Borsch</surname><given-names>B. V.</given-names></name></name-alternatives><email xlink:type="simple">boris358@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>Габец</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gabetz</surname><given-names>A. V.</given-names></name></name-alternatives><email xlink:type="simple">gabeca@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ОАО «ВНИИЖТ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC Railway Research Institute (JSC VNIIZhT)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «Алтайский сталелитейный завод»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Altai Steel Mill Ltd</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>28</day><month>10</month><year>2015</year></pub-date><volume>0</volume><issue>5</issue><fpage>25</fpage><lpage>29</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сухов А.В., Борщ Б.В., Габец А.В., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Сухов А.В., Борщ Б.В., Габец А.В.</copyright-holder><copyright-holder xml:lang="en">Sukhov A.V., Borsch B.V., Gabetz A.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://www.journal-vniizht.ru/jour/article/view/53">https://www.journal-vniizht.ru/jour/article/view/53</self-uri><abstract><p>Основной причиной недостаточной работоспособности в эксплуатации клинового гасителя колебаний рессорного подвешивания тележки грузового вагона является низкая износостойкость пары трения клин фрикционный - планка фрикционная. Решение этой проблемы авторы статьи видят в применении новых материалов для выше- обозначенного трибосочетания, а именно легированного чугуна марки ЧМН-35М для фрикционного клина и стали 25Х для фрикционной планки. Анализ результатов проведенного комплекса стендовых и пробеговых испытаний натурных образцов деталей из этих материалов позволил доказать их более высокую износостойкость по сравнению с серийными при обеспечении необходимого эксплуатационного ресурса клинового гасителя колебаний.</p></abstract><trans-abstract xml:lang="en"><p>Low wear resistance in the friction pair friction wedge - friction plate proves to be the key reason for insufficient operational workability of the wedge-type shock absorber of a freight car bogie swing suspension. The authors come up with the problem solution consisting in application of new materials for the indicated friction pair, specifically grade ChMN-35M alloyed iron for friction wedge and grade 25Kh steel for friction plate. To assess wear resistance of the selected materials there was conducted JSC VNIIZhT based research and testing campaign comprising comparative testing of material samples on the friction and wear machine MI-1 (Amsler tests), full-scale tests of friction wedges and plates on the type TsDM 200 Pu testing rig and tests of friction wedges and plates in trial runs over the experimental loop track. Outcomes analysis of the rig tests and trial runs campaign with sample parts fabricated of the indicated materials al-lowed to prove their higher wear resistance as compared with mass production parts in terms of ensuring the required service life of the wedge-type shock absorber. Comparative outcomes analysis of the experiments conducted to assess wear resistance of the selected friction pairs demonstrates that with the specified service life indice performance of rig tests only is just enough to determine the amount of contacting surfaces wear of the examined materials and to arrive at a preliminary decision on the materials to be used for friction parts of the freight car bogie wedge-type shock absorber.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>клиновой гаситель колебаний</kwd><kwd>фрикционный клин</kwd><kwd>фрикционная планка</kwd><kwd>серый чугун марки СЧ35</kwd><kwd>чугун марки ЧМН-35М</kwd><kwd>сталь 30ХГСА</kwd><kwd>сталь 25Х</kwd><kwd>износостойкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>wedge-type shock absorber</kwd><kwd>friction wedge</kwd><kwd>friction plate</kwd><kwd>grade SCh35 gray cast iron</kwd><kwd>grade ChMN-35M iron</kwd><kwd>grade 30 KhGSA steel</kwd><kwd>grade 25Kh steel</kwd><kwd>wear resistance</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">Гасители колебаний вагонов / И. 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