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Construction And Operation Of Ball Mill

2019-10-30ball mill shape factors in the period prior to 1927 averaged 11 for 29 center discharge mills and 11 for 30 peripheral discharge millsith the resumption of new plant construction after the 1930s depression, the morenci concentrator continued the 11 ratio with its 3x 3m 10 x 10 ft mills the ratio was increased progressively from then on, reaching 1and 11 for the.