<?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>1815-5944</journal-id>
<journal-title><![CDATA[Ingeniería Mecánica]]></journal-title>
<abbrev-journal-title><![CDATA[Ingeniería Mecánica]]></abbrev-journal-title>
<issn>1815-5944</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ingeniería Mecánica. Instituto Superior Politécnico "José Antonio Echeverría"]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1815-59442020000300001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de la calidad de un proyector de perfiles mediante la calibración]]></article-title>
<article-title xml:lang="en"><![CDATA[Assessing the quality of a profile projector by calibration]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Portuondo Paisan]]></surname>
<given-names><![CDATA[Yoel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lafargue Pérez]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pino Tarrago]]></surname>
<given-names><![CDATA[Julio Cesar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Oriente Facultad de Ingeniería Mecánica e Industrial ]]></institution>
<addr-line><![CDATA[ Santiago de Cuba]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Estado Sur de Manabí  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>23</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59442020000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59442020000300001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59442020000300001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Mediante la calibración es posible asegurar que los instrumentos están midiendo de manera correcta, de esta forma se garantiza la fiabilidad y trazabilidad de las mediciones. El objetivo del trabajo fue calibrar el Proyector de Perfiles Digital CPJ 3025A. Se realizó la calibración de los ejes X, Y y la escala angular del proyector para la iluminación diascópica (proyección por luz transmitida). Para la calibración se emplearon bloques patrón y patrones angulares, el procedimiento de calibración empleado fue el publicado por el Centro Español de Metrología. Como resultado se obtuvieron las incertidumbres para cada uno de los puntos analizados, así como las curvas de calibración de los ejes y se concluyó que los errores obtenidos no superan los permisibles por lo que no se requiere realizar ningún tipo de ajuste del proyector ni de corrección de datos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT By means of the calibration it is possible to be sure that the instruments are measuring correctly in order to guarantee the reliability and traceability of the measurements. The objective of the work was to calibrate the Digital Profile Projector CPJ 3025A. The calibration of the X, Y axes and the angular scale of the projector is performed for diascopic lighting (transmitted light projection). For the calibration were used gauge blocks and angular gauge, the procedure used was that published by the Spanish Metrology Center. As a result were obtained uncertainties for each of the points, as well as the calibration curves of the axes and the author conclude that the calculated errors do not exceed the permissible, so the projector offers reliable measurements and the instrument does not require adjustments or corrections to the measurement results.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[calibración]]></kwd>
<kwd lng="es"><![CDATA[proyector de perfiles]]></kwd>
<kwd lng="es"><![CDATA[bloques patrón]]></kwd>
<kwd lng="en"><![CDATA[calibration]]></kwd>
<kwd lng="en"><![CDATA[profile projector]]></kwd>
<kwd lng="en"><![CDATA[gauge blocks]]></kwd>
</kwd-group>
</article-meta>
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