<?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>0121-1129</journal-id>
<journal-title><![CDATA[Revista Facultad de Ingeniería]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. ing.]]></abbrev-journal-title>
<issn>0121-1129</issn>
<publisher>
<publisher-name><![CDATA[Universidad Pedagógica y Tecnológica de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-11292018000100121</article-id>
<article-id pub-id-type="doi">10.19053/01211129.v27.n47.2018.7928</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effect of cutting parameters on surface roughness in turning of annealed AISI-1020 steel]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto de los parámetros do corto del torneado en la rugosidad superficial de acero AISI-1020 recocido]]></article-title>
<article-title xml:lang="pt"><![CDATA[Efeito dos parâmetros de corte do torneado na rugosidade superficial de aço AISI-1020 recozido]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zurita]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Di-Graci]]></surname>
<given-names><![CDATA[Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Capace]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Simón Bolívar  ]]></institution>
<addr-line><![CDATA[Caracas ]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Simón Bolívar  ]]></institution>
<addr-line><![CDATA[Caracas ]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Simón Bolívar  ]]></institution>
<addr-line><![CDATA[Caracas ]]></addr-line>
<country>Venezuela</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>27</volume>
<numero>47</numero>
<fpage>121</fpage>
<lpage>128</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-11292018000100121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-11292018000100121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-11292018000100121&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This study focuses on the effects of cutting parameters such as cutting speed (Vc), feed rate (f), and depth of cut (d) on roughness induced on the surface of annealed AISI 1020 steel when machined by turning using carbide insert tools. The results indicated that surface roughness increased when feed rate increased and cutting speed decreased. Depth of cut slightly influenced roughness. Analysis of variance and multiple regression techniques were used to formulate a quantitative equation for estimating predicted values of roughness as functions of the cutting parameters. The results showed that cutting speed is the most influencing parameter on surface roughness (69.35%), followed by feed rate (30.13%), while depth of cut failed to affect the responses substantially (0.52%). The proposed model can be used to select the optimum parameters for minimum surface roughness in metal turning.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este trabajo se estudian los efectos de los parámetros de corte: velocidad de corte (Vc), velocidad de avance f) y profundidad de corte (d) en la rugosidad inducida en la superficie de acero AISI 1020 recocido torneado, empleando herramientas de insertos de carburo. Se encontró, a partir de los resultados obtenidos, que la rugosidad de la superficie aumentó, con velocidades de avance cada vez mayores y velocidades de corte decrecientes. Se encontró una ligera influencia de la rugosidad de la profundidad de corte. Análisis de la varianza (ANOVA) y múltiples técnicas de regresión se utilizaron para formular una ecuación cuantitativa para la estimación de valores de rugosidad en función de los parámetros de corte. Los resultados mostraron que la velocidad de corte es el parámetro que más influye en la rugosidad de la superficie (69,35 %), la velocidad de avance está en segundo (30,13 %), mientras que la profundidad de corte no afectó sustancialmente (0,52 %). El modelo propuesto puede ser utilizado para seleccionar los parámetros óptimos para la obtención de rugosidad superficial mínima en el torneado de metales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Neste trabalho estudam-se os efeitos dos parâmetros de corte: velocidade de corte (Vc), velocidade de avanço (f) e profundidade de corte (d) na rugosidade induzida na superfície de aço AISI 1020 recozido torneado, empregando ferramentas de insertos de carburo. Encontrou-se, a partir dos resultados obtidos, que a rugosidade da superfície aumentou, com velocidades de avanço cada vez maiores e velocidades de corte decrescentes. Encontrou-se uma ligeira influência da rugosidade da profundidade de corte. Análise da variância (ANOVA) e múltiplas técnicas de regressão foram utilizadas para formular uma equação quantitativa para a estimação de valores de rugosidade em função dos parâmetros de corte. Os resultados mostraram que a velocidade de corte é o parâmetro que mais influi na rugosidade da superfície (69,35 %), a velocidade de avanço está em segundo (30,13 %), enquanto que a profundidade de corte não afetou substancialmente (0,52 °%). O modelo proposto pode ser utilizado para selecionar os parâmetros ótimos para a obtenção de rugosidade superficial mínima no torneado de metais.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[AISI 1020]]></kwd>
<kwd lng="en"><![CDATA[ANOVA]]></kwd>
<kwd lng="en"><![CDATA[cutting speed]]></kwd>
<kwd lng="en"><![CDATA[depth of cut]]></kwd>
<kwd lng="en"><![CDATA[feed rate]]></kwd>
<kwd lng="en"><![CDATA[surface roughness]]></kwd>
<kwd lng="en"><![CDATA[turning]]></kwd>
<kwd lng="es"><![CDATA[AISI 1020]]></kwd>
<kwd lng="es"><![CDATA[ANOVA]]></kwd>
<kwd lng="es"><![CDATA[velocidad de corte]]></kwd>
<kwd lng="es"><![CDATA[profundidad de corte]]></kwd>
<kwd lng="es"><![CDATA[velocidad de avance]]></kwd>
<kwd lng="es"><![CDATA[rugosidad superficial]]></kwd>
<kwd lng="es"><![CDATA[torneado]]></kwd>
<kwd lng="pt"><![CDATA[AISI 1020]]></kwd>
<kwd lng="pt"><![CDATA[ANOVA]]></kwd>
<kwd lng="pt"><![CDATA[velocidade de corte]]></kwd>
<kwd lng="pt"><![CDATA[profundidade de corte]]></kwd>
<kwd lng="pt"><![CDATA[velocidade de avanço]]></kwd>
<kwd lng="pt"><![CDATA[rugosidade superficial]]></kwd>
<kwd lng="pt"><![CDATA[torneado]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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