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Journal of applied research and technology

versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423

J. appl. res. technol vol.8 no.3 Ciudad de México dic. 2010

 

Effect of the Side Cutting–Edge Angle on the Surface Roughness for Aluminum 1350 in the Turning Operation by Taguchi Method

 

L. Rico*1, S. Noriega*2, J.L. García3, E.A. Martínez4, R. Ñeco5, F.J. Estrada6

 

1,2,3,4,5,6 Universidad Autónoma de Ciudad Juárez Department of Industrial and Manufacturing Engineering, Avenida del Charro 450 C.P. 32310 Col. Partido Romero, Ciudad Juárez Chih. Tel:656 6884843 *E–mail: larico@uacj.mx

 

ABSTRACT

The purpose of this work was to analyze the effect of the side cutting–edge angle on the surface roughness of aluminum 1350 in a turning operation. A Taguchi design L32 was used in this work; the control variables were spindle speed, feed rate, depth of cutting and the side cutting–edge angle. Several metal cutting experiments and statistical tests provide evidence that the side cutting–edge angle significantly affects the surface roughness with a Statistical F equal to 24.96, mainly, when the side cutting–edge angle is maintained at high level; in this study, the high level was kept to 5.0 degrees. Also, when the high level condition is kept, it causes a major variation of the residual values; consequently, the surface roughness of the workpiece falls out of the specifications demanded by customers. Moreover, the best combination of the cutting parameters for a minimum surface roughness equal to 23.5 μin was obtained. Finally, further research directions are presented.

Keywords: Side cutting–edge angle, Taguchi method, surface roughness.

 

RESUMEN

El propósito de este trabajo fue analizar el efecto del ángulo de corte de la herramienta sobre la rugosidad superficial del aluminio 1350 en la operación de torneado. Se uso un diseño Taguchi L32 en este trabajo; las variables de control fueron velocidad del husillo, tasa de alimentación, profundidad de corte y el ángulo de corte de la herramienta. Los experimentos y pruebas estadísticas realizadas mostraron que con una F estadística igual a 24.96, el ángulo de la herramienta de corte afecta significativamente la rugosidad superficial, principalmente, cuando el ángulo de corte se mantiene a un nivel alto; en este estudio, el nivel se mantuvo a 5 grados. Además, cuando esta condición se mantiene, causa una mayor variación en los residuales; consecuentemente, la textura de la pieza de trabajo cae fuera de la especificación demandada por el cliente. Adicionalmente, se obtuvo la mejor combinación de los parámetros de corte para una mínima rugosidad superficial igual a 23.5 μin. Finalmente, se hacen algunas recomendaciones para futuras investigaciones.

 

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