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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Frontier Materials &amp; Technologies</journal-id><journal-title-group><journal-title xml:lang="en">Frontier Materials &amp; Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Frontier Materials &amp; Technologies</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2782-4039</issn><issn publication-format="electronic">2782-6074</issn><publisher><publisher-name xml:lang="en">Togliatti State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">106</article-id><article-id pub-id-type="doi">10.18323/2073-5073-2019-1-43-49</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">KEY ASPECTS OF INFLUENCE OF ULTRASONIC VIBRATIONS OF A DRESSING TOOL ON THE EFFICIENCY OF THE PROCESS OF WHEEL DRESSING</article-title><trans-title-group xml:lang="ru"><trans-title>ОСНОВНЫЕ ОСОБЕННОСТИ ВЛИЯНИЯ УЛЬТРАЗВУКОВЫХ КОЛЕБАНИЙ ПРАВЯЩЕГО ИНСТРУМЕНТА НА ЭФФЕКТИВНОСТЬ ПРОЦЕССА ПРАВКИ ШЛИФОВАЛЬНЫХ КРУГОВ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Murashkin</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Мурашкин</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Selivanov</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Селиванов</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Malyshev</surname><given-names>V. I.</given-names></name><name xml:lang="ru"><surname>Малышев</surname><given-names>В. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Togliatti State University</institution></aff><aff><institution xml:lang="ru">Тольяттинский государственный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-03-29" publication-format="electronic"><day>29</day><month>03</month><year>2019</year></pub-date><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>43</fpage><lpage>49</lpage><history><date date-type="received" iso-8601-date="2021-03-11"><day>11</day><month>03</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-03-11"><day>11</day><month>03</month><year>2021</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://vektornaukitech.ru/jour/article/view/106">https://vektornaukitech.ru/jour/article/view/106</self-uri><abstract xml:lang="en"><p>The authors developed the technique of the study of influence of axial ultrasonic vibrations of a core diamond dressing tool (DT) in the process of dressing of a grinding wheel: on the normal component Py of dressing force, on the wear of the dressing tool diamonds, on the formation of the wheel working surface texture (WWS). The WWS texture parameters were studied by the following methods: sensing on a profile recording instrument using a diamond stylus (parameters are the bearing length ratio tр at the fixed level р and the mean pitch between grains); optical microscopy using the MBS-2 microscope (parameters are the bearing surface ratio η of a grinding wheel). In parallel, the authors carried out the fractographic study of the WWS texture using the LEO 1455VP scanning electron microscope.</p><p>The study shows that in the condition of ultrasonic dressing (UD) of a wheel, the DT wear slightly influences the changes in the bearing surface ratio η of the WWS texture. Therefore, the ultrasonic dressing can ensure higher stability of cutting power of a wheel and the DT can work up to wear-out.</p><p>The authors give recommendations on the selection of the ultrasonic dressing parameters:</p><p>1. It is recommended to select the oscillation frequency from the frequencies specified by the State All-Union standard 16165-80: (18±1.26) kHz; (22±1.54) kHz; (44±3.08) kHz; (66±4.62) kHz.</p><p>2. It is impractical to specify the DT amplitude of forced oscillations A higher than 15…20 micron.</p><p>3. When selecting the dressing depth tп it is necessary to consider the condition of mandatory intermittent interruption of contact of DT with WWS according to the inequality: 0≤tП≤2A.</p></abstract><trans-abstract xml:lang="ru"><p>Разработана методика исследования влияния осевых ультразвуковых колебаний стержневого алмазного правящего инструмента (ПИ) в процессе правки шлифовального круга: на нормальную составляющую Py силы правки; на износ алмазов ПИ; на формирование рельефа рабочей поверхности круга (РПК). Параметры рельефа РПК изучали методами: ощупывания на специальном профилографе при помощи алмазной иглы (параметры – относительная опорная длина tр на фиксированном уровне р и средний шаг между зернами); оптической микроскопии с помощью микроскопа модели МБС-2 (параметр – относительная опорная поверхность η шлифовального круга). Параллельно проводили фрактографическое исследование рельефа РПК на сканирующем электронном микроскопе LEO 1455VP.</p><p>Показано, что в условиях ультразвуковой правки (УЗП) круга износ ПИ практически не оказывает влияния на изменение относительной опорной поверхности η рельефа РПК. Из этого следует, что УЗП способна обеспечить более высокую стабильность режущей способности круга, а ПИ способен работать вплоть до полного износа.</p><p>Приведены рекомендации по выбору параметров ультразвуковой правки:</p><p>1. Частоту колебаний рекомендуется выбирать из определенных по ГОСТ 16165-80 частот: (18±1,26) кГц; (22±1,54) кГц; (44±3,08) кГц; (66±4,62) кГц.</p><p>2. Амплитуду А вынужденных колебаний ПИ нецелесообразно назначать свыше 15…20 мкм.</p><p>3. При выборе глубины правки tп следует учитывать условие обязательного периодического прерывания контакта ПИ с РПК в соответствии с неравенством: 0≤tП≤2A.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ultrasonic wheel dressing</kwd><kwd>abrasive grains</kwd><kwd>microchips</kwd><kwd>dressing force</kwd><kwd>dressing tool wear</kwd><kwd>wheel working surface texture</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ультразвуковая правка круга</kwd><kwd>абразивные зерна</kwd><kwd>микросколы</kwd><kwd>сила правки</kwd><kwd>износ правящего инструмента</kwd><kwd>рельеф рабочей поверхности круга</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Hashimoto F., Gallego I., Oliveira J.F.G., Barrenetxea D., Takahashi M., Sakakibara K., Stalfelt H.D., Staadt G., Ogawa K. 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