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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-10346</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/10346</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Без раздела</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Without section</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Dynamics of the drill string roller cone drive</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Динамика шарошечного привода буровой колонны</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Nagaev</surname>
            <given-names>R. F.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Нагаев</surname>
              <given-names>Р. Ф.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Nagaev</surname>
              <given-names>R. F.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru"> (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en"> (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Shkadov</surname>
            <given-names>R. I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Шкадов</surname>
              <given-names>Р. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Shkadov</surname>
              <given-names>R. I.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru"> (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en"> (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1988-11-25">
        <day>25</day>
        <month>11</month>
        <year>1988</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1988</year>
      </pub-date>
      <volume>117</volume>
      <fpage>104</fpage>
      <lpage>109</lpage>
      <history>
        <date date-type="received" iso-8601-date="1987-09-11">
          <day>11</day>
          <month>09</month>
          <year>1987</year>
        </date>
        <date date-type="accepted" iso-8601-date="1987-11-17">
          <day>17</day>
          <month>11</month>
          <year>1987</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1988-11-25">
          <day>25</day>
          <month>11</month>
          <year>1988</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>© R. F. Nagaev, R. I. Shkadov</copyright-statement>
        <copyright-year>1988</copyright-year>
        <copyright-holder xml:lang="ru">Р. Ф. Нагаев, Р. И. Шкадов</copyright-holder>
        <copyright-holder xml:lang="en">R. F. Nagaev, R. I. Shkadov</copyright-holder>
        <license xlink:href="http://creativecommons.org/licenses/by/4.0">
          <license-p>CC BY 4.0</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/10346">https://pmi.spmi.ru/pmi/article/view/10346</self-uri>
      <abstract xml:lang="ru">
        <p>Долота шарошечного типа в настоящее время весьма распространены в буровых колонках и станках геолого-разведочного и горного назначения.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Bits of the roller cone type are now very common in drilling columns and machines for geological exploration and mining purposes.</p>
      </abstract>
    </article-meta>
  </front>
  <body/>
  <back>
    <ref-list>
      <ref id="ref1">
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        <label>4</label>
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        <mixed-citation xml:lang="en">Kantovich L.I., Dmitriev V.N. Statics and Dynamics of Drilling Tiny Machines. М.: Nedra, 1984.</mixed-citation>
      </ref>
    </ref-list>
  </back>
</article>
