<?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>S2223-48612022000400080</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[DESARROLLO DE UN EQUIPO DE ENSAYO MICROABRASIVO CON ESFERA ROTATIVA LIBRE PARA LA EVALUACIÓN DE DEPÓSITOS DE RECARGUE]]></article-title>
<article-title xml:lang="en"><![CDATA[DEVELOPMENT OF A MICROABRASIVE FREE ROTATING SPHERE TEST RIG FOR THE EVALUATION OF HARDFACING DEPOSITS]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Escobar]]></surname>
<given-names><![CDATA[Iván P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz Méndez]]></surname>
<given-names><![CDATA[Tamara M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz Crespo]]></surname>
<given-names><![CDATA[Amado]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Empresa de Antenas de Villa Clara  ]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas Facultad de Ingeniería Mecánica e Industrial Centro de Investigaciones de Soldadura (CIS)]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>49</volume>
<numero>4</numero>
<fpage>80</fpage>
<lpage>90</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612022000400080&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612022000400080&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612022000400080&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: En las últimas décadas se ha extendido el uso del método de ensayo microabrasivo con esfera rotativa en la evaluación de materiales ferrosos, dada sus ventajas técnico-económicas, así como las facilidades en la evaluación de depósitos de recargues.  Objetivo: Desarrollar un equipo de ensayo microabrasivo con esfera rotativa libre, destinado a la caracterización de materiales metálicos y depósitos de recargue, empleando soluciones de diseño que permitan su fabricación económica.  Materiales y Métodos: Se empleó el software &#8220;Autodesk Inventor Professional 2014&#8221; para el diseño del equipo, así como en la modelación de las cargas y desplazamientos de los elementos del conjunto. Para la fabricación se utilizaron aceros de construcción, aceros al carbono y una aleación de aluminio. Se elaboraron las piezas mediante maquinado, tratamiento térmico y soldadura. El ajuste del equipo se realizó mediante un estudio de circularidad de las huellas.  Resultados y Discusión: El equipo desarrollado cumple los requisitos del ensayo de desgaste microabrasivo. Las huellas de desgaste obtenidas sobre un acero GOST X12M tratado térmicamente mostraron circularidad y nitidez de contorno, lo que demuestra la rigidez del equipo. Esto permite su empleo en la evaluación materiales metálicos y depósitos de recargue de alta dureza.  Conclusiones: El equipo desarrollado presenta una configuración sencilla, los esfuerzos mecánicos en sus componentes son relativamente bajos, lo que permite su diseño con materiales de baja resistencia mecánica. Las huellas obtenidas en los ensayos de ajuste presentan adecuada circularidad y definición del contorno, indicando la no existencia de vibraciones que afecten los resultados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: In the last decades, the use of the microabrasive rotating sphere test method has been extended in the evaluation of ferrous materials, given its technical-economic advantages, as well as its facilities in the evaluation of hardfacing deposits.  Objetive: To develop a free rotating sphere microabrasive testing equipment for the characterization of metallic materials and hardfacing deposits, using design solutions that allow its economic manufacture.  Materials and methods: The "Autodesk Inventor Professional 2014" software was used for the design of the equipment, as well as in the modeling of the loads and displacements of the elements of the assembly. Construction steels, carbon steels and an aluminum alloy were used for the fabrication. The parts were manufactured by machining, heat treatment and welding. The adjustment of the equipment was carried out by means of a circularity study of the footprints.  Results and Discussion: The developed equipment meets the requirements of the microabrasive wear test. The wear traces obtained on heat-treated GOST X12M steel showed circularity and sharpness of contour, which proves the rigidity of the equipment. This allows its use in the evaluation of metallic materials and hardfacing deposits of high hardness.  Conclusions: The developed equipment presents a simple configuration, the mechanical stresses in its components are relatively low, which allows its design with materials of low mechanical resistance. The traces obtained in the adjustment tests show adequate circularity and contour definition, indicating the absence of vibrations that affect the results.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Desgaste abrasivo]]></kwd>
<kwd lng="es"><![CDATA[ensayo microabrasivo con esfera rotativa]]></kwd>
<kwd lng="es"><![CDATA[recargue duro]]></kwd>
<kwd lng="en"><![CDATA[Abrasive wear]]></kwd>
<kwd lng="en"><![CDATA[microabrasive rotating sphere test]]></kwd>
<kwd lng="en"><![CDATA[hardfacing]]></kwd>
</kwd-group>
</article-meta>
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