AVALIAQAO DO COMPORTAMENTO DE DESGASTE DE CORPOS MOEDORES PARA MOAGEM DE CARAJAS

摘要

This paper had as main objective evaluate the wear of balls used as grinding media, producing a ranking of ten (10) balls of various suppliers around the world. The balls received from suppliers were subjected to run in laboratory test mill 12 x 12 inches. The tests performed allowed the determination of reducing the diameter of the balls over time, resulting in wear rates expressed as mm/100h. Based on the results it was possible to classify them in order of increasing wear.