5 Ways To Improve Grinding Efficiency Of Ball Mills News
26/12/2017· According to Bond 1954, the grinding efficiency of a mill depends on the ball mill diameter, size of the media and mill speed. Ball mills with different length to diameter ratios for a particular power rating will produce different material retention times. The longer units are used for high retention ratios while shorter units are used where overgrinding is a factor to be considered.





































