Metals | Free FullText | Variability of the Ball Mill Bond's .
WEBOct 9, 2021 · The grinding charge is comprised of a steel balls distribution; Table 1 shows the distribution proposed by Bond in 1961 and that proposed in 1999 ; the latter was selected for this test. The mill feed must be prepared by controlled crushing to passing 6 Tyler mesh ( mm). ... GMGGlobal Mining Guidelines Group. Determining .