<?xml version="1.0" encoding="ISO-8859-1"?><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">
<front>
<journal-meta>
<journal-id>2223-4861</journal-id>
<journal-title><![CDATA[Centro Azúcar]]></journal-title>
<abbrev-journal-title><![CDATA[cen. az.]]></abbrev-journal-title>
<issn>2223-4861</issn>
<publisher>
<publisher-name><![CDATA[Editorial Feijóo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2223-48612020000300001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[FACTOR DE CORRECCIÓN ÓPTIMO PARA MINIMIZAR LAS TENSIONES DE CONTACTO EN ENGRANAJES CILÍNDRICOS]]></article-title>
<article-title xml:lang="en"><![CDATA[OPTIMAL SHIFT PROFILE MODIFICATION TO MINIMIZE CONTACT STRESSES IN CYLINDRICAL GEARS]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fírvida Donéstevez]]></surname>
<given-names><![CDATA[Eduardo Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Machado Rodríguez]]></surname>
<given-names><![CDATA[Ángel Silvio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moya Rodríguez]]></surname>
<given-names><![CDATA[Jorge Laureano]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas Facultad de Ingeniería Mecánica e Industrial Departamento de Ingeniería Mecánica]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal da Bahia Escola Politécnica Departamento de Engenharia Química]]></institution>
<addr-line><![CDATA[San Salvador de Bahia ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<volume>47</volume>
<numero>3</numero>
<fpage>1</fpage>
<lpage>13</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612020000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612020000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612020000300001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: El diseño de las transmisiones por engranajes cilíndricos continúa siendo un tema de gran importancia. Con el creciente desarrollo de los métodos computacionales, muchos autores han trabajado en la optimización de dichas transmisiones con el objetivo fundamental de aumentar su capacidad de carga y/o alargar su vida útil.  Objetivo: Evaluar la influencia del factor de corrección sobre las tensiones de contacto en el perfil del diente, considerando las restricciones geométricas y determinar el factor de corrección para mínimas tensiones de contacto.  Materiales y Métodos:  Por la formulación de la teoría de Hertz Budynas&#8722;Nisbett para dos cilindros en contacto, se formula el problema de optimización con restricciones, al cual se le da solución por diferentes métodos de optimización, se evalúa un método de solución elaborado por los autores.  Resultados y Discusión:  Se valida el método propuesto a partir de la comparación de los factores de corrección obtenidos con los factores recomendados por el programa de diseño KISSSoft-v2014, evaluadas para las normas (AGMA, 2004; ISO 6336-2, 2006) implementadas por los autores.  Conclusiones:  Se obtiene el valor del factor de corrección, logrando una mejor distribución de las tensiones de contacto sobre el diente en la zona de trabajo. El método numérico presentado, obtiene los mismos resultados que los métodos clásicos de optimización, validando su uso en la solución del problema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Cylindrical gear transmissions design continues to be a great importance topic. With the increasing development of computational methods, many authors have worked on such transmissions optimization with increasing their load capacity and / or extending their useful life as fundamental objective.  Objective:  To evaluate the influence of the correction factor over contact stresses in tooth profile, considering the geometric constraints and to determine correction factor for minimum contact stresses.  Materials and Methods:  By formulating the Hertz Budynas &#8722; Nisbett theory for two cylinders in contact, the optimization problem is formulated with restrictions that are solved by different optimization methods, a solution method developed by the authors is evaluated.  Results and Discussion:  The proposed method is validated by the comparison of obtained correction factors, with its recommended by the KISSSoft-v2014 design program factors, evaluated for the standards (AGMA, 2004; ISO 6336-2, 2006) implemented by the authors  Conclusions:  Correction value factor is obtained, achieving a better distribution of contact stresses on tooth in work area. The numerical method presented, obtains the same results than classical optimization methods, validating its use in problem solution.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[engranajes cilíndricos]]></kwd>
<kwd lng="es"><![CDATA[factor de corrección]]></kwd>
<kwd lng="es"><![CDATA[optimización]]></kwd>
<kwd lng="es"><![CDATA[tensiones de contacto]]></kwd>
<kwd lng="en"><![CDATA[cylindrical gears]]></kwd>
<kwd lng="en"><![CDATA[correction factor]]></kwd>
<kwd lng="en"><![CDATA[optimization]]></kwd>
<kwd lng="en"><![CDATA[contact stresses]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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