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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Bulletin of Belgorod State Technological University named after. V. G. Shukhov</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Bulletin of Belgorod State Technological University named after. V. G. Shukhov</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Вестник Белгородского государственного технологического университета им. В.Г. Шухова</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2071-7318</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">42236</article-id>
   <article-id pub-id-type="doi">10.34031/2071-7318-2021-6-2-100-106</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Машиностроение и машиноведение</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Machine building and mechanical engineering</subject>
    </subj-group>
    <subj-group>
     <subject>Машиностроение и машиноведение</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">INCREASING THE RIGIDITY OF THE SELF-CENTERING DEVICES OF LATHES</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ПОВЫШЕНИЕ ЖЕСТКОСТИ САМОЦЕНТРИРУЮЩИХ ПРИСПОСОБЛЕНИЙ  ТОКАРНЫХ СТАНКОВ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Серегин</surname>
       <given-names>А. А.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Seregin</surname>
       <given-names>A. A.</given-names>
      </name>
     </name-alternatives>
     <email>aasdom@yandex.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Никитина</surname>
       <given-names>И. П.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Nikitina</surname>
       <given-names>I. P.</given-names>
      </name>
     </name-alternatives>
     <email>innanikitina@list.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Крылова</surname>
       <given-names>С. Е.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Krylova</surname>
       <given-names>S. E.</given-names>
      </name>
     </name-alternatives>
     <email>krilova27@yandex.ru</email>
     <bio xml:lang="ru">
      <p>доктор технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Оренбургский государственный университет</institution>
     <city>Оренбург</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Orenburg State University</institution>
     <city>Orenburg</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Оренбургский государственный университет</institution>
    </aff>
    <aff>
     <institution xml:lang="en">Orenburg State University</institution>
    </aff>
   </aff-alternatives>
   <volume>6</volume>
   <issue>2</issue>
   <fpage>100</fpage>
   <lpage>106</lpage>
   <self-uri xlink:href="https://naukaru.ru/en/nauka/article/42236/view">https://naukaru.ru/en/nauka/article/42236/view</self-uri>
   <abstract xml:lang="ru">
    <p>Повышение жёсткости универсальных самоцентрирующих приспособлений – одно из актуальных направлений в области проектирования станочной оснастки. Расчёт распределения нагрузки между витками и зубьями спирально-реечного механизма представляет собой сложную инженерную задачу. При работе над статьей выявлено, что смежная пара витков и зубьев, находящихся в зацеплении, не всегда совпадает с геометрической смежной парой вследствие погрешности исполнения витков и зубьев по шагу и профилю. Это основано на экспериментальных данных и положении о том, что ошибки шага и профиля спирали определяют характер рабочих давлений в зацеплении витков и зубьев. В статье рассмотрены технические решения, в которых, без существенных изменений конструкции, повышается жёсткость самоцентрирующих приспособлений за счёт установления соответствия алгоритма изменения упругих свойств деталей спирально-реечного механизма алгоритму изменения нагрузки между несущими элементами. Предложены конструктивные решения, основанные на реализации упругого смещения первого наиболее нагруженного витка, что позволяет уменьшить натяг между зубом рейки кулачка и витком спирали диска. Это обстоятельство способствует перераспределению нагрузки в зацеплении несущих элементов спирально-реечного механизма. Проведены испытания разработанных конструкций, которые дали положительные результаты.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Increasing the rigidity of universal self-centering devices is one of the topical trends in the design of machine tooling. Calculation of the load distribution between the turns and teeth of a spiral rack and pinion mechanism is a complex engineering problem. When working on the article, it was revealed that an adjacent pair of turns and teeth that are in engagement does not always coincide with a geometrical adjacent pair due to the error in the execution of turns and teeth along the pitch and profile. This is based on experimental data and the proposition that errors in the pitch and profile of the spiral determine the nature of the working pressures in the engagement of the turns and teeth. The article discusses technical solutions in which the rigidity of self-centering devices increases without significant structural changes due to the establishment of the correspondence of the algorithm for changing the elastic properties of parts of the spiral-rack mechanism to the algorithm for changing the load between the bearing elements. Constructive solutions based on the implementation of elastic displacement of the first most loaded turn are proposed, which allows to reduce the interference between the tooth of the cam rack and the turn of the disk spiral. This circumstance contributes to the redistribution of the load in the engagement of the bearing elements of the spiral-rack mechanism. The tests of the developed structures were carried out, which gave positive results.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>жёсткость</kwd>
    <kwd>распределение нагрузки</kwd>
    <kwd>спирально-реечный механизм</kwd>
    <kwd>токарные станки</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>rigidity</kwd>
    <kwd>load distribution</kwd>
    <kwd>spiral rack and pinion mechanism</kwd>
    <kwd>lathes</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
 </body>
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