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Rev. LatinAm. Metal. Mat. 2009, 29(1): 15-22

EFECTOS SUPERFICIALES DEL BRUÑIDO POR RODILLO EN EL ACERO AISI 1045M

Silvio Díaz, Teresita Robert, Ortelio Boada

Online: 29-06-2009

GA-32

Abstract


El bruñido por rodillo simple es un proceso de deformación plástica que mejora la calidad superficial y las propiedades mecánicas de los materiales. Se realizó un estudio experimental en piezas simétricas rotativas de acero AISI 1045 en un torno paralelo convencional, empleando una herramienta de bruñir por rodillo simple construida para tal efecto. Las variables empleadas en el proceso son las consideradas más importantes: fuerza compresiva, avance y número de pasadas de la herramienta. Los modelos estadísticos que describen el efecto de las variables del proceso en el incremento de la dureza superficial y la calidad superficial y en la variación del diámetro exterior fueron procesado por el software STATGRAPHICS® Plus v.4.1. Se muestra un gráfico que toma en consideración una combinación de los contornos en isolíneas de las superficies de respuesta estimada de los incrementos de la dureza y de la calidad superficial, de donde de una manera fácil, se obtienen las combinaciones de fuerza compresiva y avance para obtener los resultados buscados.


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