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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">donstu</journal-id><journal-title-group><journal-title xml:lang="en">Advanced Engineering Research (Rostov-on-Don)</journal-title><trans-title-group xml:lang="ru"><trans-title>Advanced Engineering Research (Rostov-on-Don)</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2687-1653</issn><publisher><publisher-name>Don State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.12737/19699</article-id><article-id custom-type="elpub" pub-id-type="custom">donstu-74</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="en"><subject>MACHINE BUILDING AND MACHINE SCIENCE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАШИНОСТРОЕНИЕ И МАШИНОВЕДЕНИЕ</subject></subj-group></article-categories><title-group><article-title>Synergetic approach to study forming path stability of the end cutdown milling by side faces (case of high speed cutting)</article-title><trans-title-group xml:lang="ru"><trans-title>Синергетический подход при изучении устойчивости формообразующих траекторий попутного фрезерования боковыми гранями концевых фрез (случай большой скорости резания)</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>Заковоротный</surname><given-names>Вилор Лаврентьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Zakovorotny</surname><given-names>Vilor L</given-names></name></name-alternatives><email xlink:type="simple">vzakovorotny@dstu.edu.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>Губанова</surname><given-names>Александра Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Gubanova</surname><given-names>Alexandra A.</given-names></name></name-alternatives><email xlink:type="simple">anatoliya81@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>Лукьянов</surname><given-names>Александр Дмитриевич</given-names></name><name name-style="western" xml:lang="en"><surname>Lukyanov</surname><given-names>Alexander D.</given-names></name></name-alternatives><email xlink:type="simple">lex1998@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Донской государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Don State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2016</year></pub-date><volume>16</volume><issue>2</issue><fpage>32</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Zakovorotny V.L., Gubanova A.A., Lukyanov A.D., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Заковоротный В.Л., Губанова А.А., Лукьянов А.Д.</copyright-holder><copyright-holder xml:lang="en">Zakovorotny V.L., Gubanova A.A., Lukyanov A.D.</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.vestnik-donstu.ru/jour/article/view/74">https://www.vestnik-donstu.ru/jour/article/view/74</self-uri><abstract><p>The work objective is to consider the stability problem of steady-state paths of the elastic deformational tool displacement under the longitudinal end milling. The authors analyze the case of high speed cutting in contrast to the previously discussed stability problems that analyze the case of slow movements for which the system parameters can be considered frozen in the equations in variations relative to the stationary path. In this case, the stability analysis must consider the linearized system in variations with periodically varying coefficients. With speeding-up the tool rotation in many cases there is a parametric self-excitation of oscillations. Therefore, the main attention is paid to studying the parametric excitation conditions of a dynamic endmilling system. It is shown that the parametric excitation condition is affected by the technological cutting modes, both the tool rotation frequency and the tool geometry which determines the matrix angular coefficients of the cutting forces orientation. Examples of stability areas depending on changes in the system settings are given.</p></abstract><trans-abstract xml:lang="ru"><p>Целью работы является рассмотрение проблемы устойчивости установившихся стационарных траекторий упругих деформационных смещений инструмента при продольном фрезеровании концевыми фрезами. В отличие от ранее рассмотренных проблем устойчивости, в которых анализируется случай медленных движений, для которых в уравнениях в вариациях относительно стационарной траектории параметры системы можно рассматривать замороженными, анализируется случай большой скорости резания. В этом случае при анализе устойчивости необходимо рассматривать линеаризованную систему в вариациях с периодически изменяющимися коэффициентами. По мере увеличения скорости вращения инструмента во многих случаях наблюдается параметрическое самовозбуждение колебаний, поэтому главное внимание уделяется изучению условий параметрического самовозбуждения динамической системы фрезерования концевыми фрезами. Показано, что на условие параметрического самовозбуждения оказывают влияние как технологические режимы резания, прежде всего частота вращения инструмента, так и геометрия инструмента, которая определяет матрицы угловых коэффициентов ориентации сил резания. Приводятся примеры областей устойчивости в зависимости от изменения параметров системы.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>процесс фрезерования концевыми фрезами</kwd><kwd>стационарные траектории</kwd><kwd>периодически изменяющиеся параметры</kwd><kwd>устойчивость</kwd><kwd>параметрическое самовозбуждение</kwd><kwd>endmilling process</kwd><kwd>stationary trajectories</kwd><kwd>periodically-varying parameters</kwd><kwd>stability</kwd><kwd>parametric excitation</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">Заковоротный, В. Л. Динамика процесса резания. Синергетический подход / В. Л. Заковоротный, М. Б. Флек. - Ростов-на-Дону : Терра, 2006. - 880 с.</mixed-citation><mixed-citation xml:lang="en">Zakovorotny, V.L., Flek, M.F. Dinamika protsessa rezaniya. Sinergeticheskiy podkhod. [Cutting process dynamics. 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