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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">10.23947/1992-5980-2017-17-1-35-46</article-id><article-id custom-type="elpub" pub-id-type="custom">donstu-244</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>Error effect of executive elements movement of the lathe tool on forming motion paths</article-title><trans-title-group xml:lang="ru"><trans-title>Влияние погрешности движения исполнительных элементов токарного станка на траектории формообразующих движений</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>Гвинджилия</surname><given-names>Валерия Енвериевна</given-names></name><name name-style="western" xml:lang="en"><surname>Gvindzhiliya</surname><given-names>Valery E.</given-names></name></name-alternatives><email xlink:type="simple">sinedden@yandex.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>2017</year></pub-date><pub-date pub-type="epub"><day>27</day><month>02</month><year>2018</year></pub-date><volume>17</volume><issue>1</issue><fpage>35</fpage><lpage>46</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Zakovorotny V.L., Gvindzhiliya V.E., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Заковоротный В.Л., Гвинджилия В.Е.</copyright-holder><copyright-holder xml:lang="en">Zakovorotny V.L., Gvindzhiliya V.E.</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/244">https://www.vestnik-donstu.ru/jour/article/view/244</self-uri><abstract><p>Introduction. Any metal-cutting machine has errors of the executive elements movement depending on its geometric accuracy and state. These errors change the forming motions indirectly, through their transformation by the dynamic cutting system with account for the elastic deformations of the tool and the workpiece. Materials and Methods. Laws of the relation between the executive elements and forming paths for the longitudinal cutting case are considered. All deformation displacements are counted off from the independent coordinate system anchored to the carrier system of the machine which is considered to be absolutely rigid and non-deforming. Research Results. A mathematical transformation model consisting of two elastic-deformation subsystems on the part of the tool and workpiece that interact through the dynamic link generated by the cutting process is proposed. This model allows for the errors of the executive elements movement. They are specified by the kinematic disturbances and spindle wavering, and a workpiece in the space. Discussion and Conclusions. Therefore, as opposed to the known studies, it is shown how the mathematical formulation and parameters of the dynamic link generated under the cutting process are changed depending on the kinematic and other types of disturbances. Two types of disturbances are fully considered: those inducing speed variations of the tool motion relative to the workpiece in the direction to the caliper mobility, and disturbances in the form of oscillating displacements in the orthogonal direction to the feed velocity attitude. These disturbances are generated as radial and axial spindle wavering, and as speed variations of the longitudinal feed and variations of the caliper position relative to the ideal rotation axis of the part. It is shown, that the law of the disturbance transformation into the forming movements trajectories depends on the frequency content of the disturbances. The examples are provided, and the conclusions about the transformation properties are made. In particular, it is shown that the speed variations in the direction to the longitudinal feed with the frequency equal to or multiple of the spindle rotation frequency in no way image into the forming movement trajectories.</p></abstract><trans-abstract xml:lang="ru"><p>Введение. Любой металлорежущий станок имеет погрешности движения исполнительных элементов, зависящие от его геометрической точности и состояния. Эти погрешности изменяют формообразующие движения опосредованно, через их преобразование динамической системой резания с учетом упругих деформаций инструмента и детали. Материалы и методы. Рассматриваются законы связи погрешностей исполнительных элементов станка и траекторий формообразующих движений для продольного точения. Все деформационные смещения отсчитываются от независимой системы координат, привязанной к несущей системе станка, которая считается абсолютно жесткой и недеформируемой. Результаты исследования . Предлагается математическая модель преобразования, состоящая из двух упругих динамических подсистем со стороны инструмента и обрабатываемой детали, которые взаимодействуют между собой через динамическую связь, формируемую процессом резания. В этой модели учтены погрешности движения исполнительных элементов. Они обусловлены кинематическими возмущениями и биениями шпинделя и обрабатываемой детали в пространстве. Обсуждение и заключения. Таким образом, в представленной работе, в отличие от известных исследований, показано, каким образом в зависимости от кинематических и других возмущений изменяется математическое описание и параметры динамической связи, формируемой процессом резания. Подробно рассматриваются два типа возмущений: вызывающие вариации скорости движения инструмента относительно детали в направлении подвижности суппорта и возмущения в виде колебательных смещений в направлении, ортогональном к направлению скорости подачи. Эти возмущения формируются в виде радиальных и осевых биений шпинделя, а также в виде вариаций скорости продольной подачи и вариаций положения суппорта относительно идеальной оси вращения детали. Показано, что закон преобразования возмущений в траектории формообразующих движений зависит от частотного состава возмущений. Приводятся примеры и делаются заключения о свойствах преобразования. В частности, показано, что вариации скорости в направлении продольной подачи с частотой, равной или кратной частоте вращения шпинделя, никак не отображаются в траекториях формообразующих движений.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>процесс точения</kwd><kwd>погрешности исполнительных элементов</kwd><kwd>формообразующие траектории</kwd><kwd>динамика процесса</kwd><kwd>turning process</kwd><kwd>errors of executive elements</kwd><kwd>forming trajectories</kwd><kwd>process dynamics</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">Решетов, Д. Н. Точность металлорежущих станков / Д. Н. Решетов, В. Т. Портман. - Москва : Машиностроение, 1986. - 336 с.</mixed-citation><mixed-citation xml:lang="en">Reshetov, D.N., Portman, V.T. Tochnost' metallorezhushchikh stankov. [Accuracy of cutting machines.] Moscow: Mashinostroenie, 1986, 336 p. 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