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Se estudia el maquinado paralelo a la fibra (direccion 90-0) de aromo australiano, utilizando transductor piezo-electrico para monitorear los niveles de emision acustica (EA) generados durante el corte, considerando el tipo de madera (albura y duramen), y ademas la relacion con la rugosidad superficial (Rz) obtenida. Como resultados se encontro una adecuada relacion entre la modificacion de las condiciones de maquinado con la emision acustica, en la cual un incremento de los espesores promedio de viruta se traducen en un mayor consumo energetico durante el corte. Asimismo, se encontraron niveles superiores de emision acustica al cambiar el tipo de madera de albura a duramen. Finalmente, entre rugosidad superficial y emision acustica se encontro una correlacion muy buena. Abstract Wood machining parallel to the grain (90-0 direction) of Blackwood was performed using piezoelectrical transducer to record the acoustic emission (AE) signals generated during the cut process, considering the type of wood (heartwood and sapwood), and the relationship with surface roughness (Rz). A good relationship it was found between cutting conditions and acoustic emission signals, where an increase of the chip thickness results in a major consumption of cutting energy. Also, it was detected an increase of AE signals with the change of wood type, passing from sapwood to heartwood (increase of density). Finally, a good relationship it was found between surface roughness (Rz) and acoustic emission (AE).

MONITOREO DEL PROCESO DE MAQUINADO DE AROMO AUSTRALIANO (ACACIA MELANOXYLON) CON EMISIÓN ACÚSTICA Y SU RELACIÓN CON LA CALIDAD SUPERFICIAL RESULTANTE