Ball Mills are generally used to grind material 1/4 inch and finer they must be operated in a closed system with oversize material continuously being recirculated back into the mill to be reduced. Various classifiers down to the particle size of 20 to 75 microns. To achieve a reasonable efficiency with ball mills,

with discharge mesh sizes from ~40M to spiral ...Using Ball Mills to Extract Raw Gold from Ores - RareGoldNuggetsLearn how a ball mill works all of its main parts and some of its design features! This 3D animated video allows you to see all the internal parts of a ball...Ball Mills. Ball mills have been the primary piece of machinery in traditional hard rock grinding circuits for 100+ years. They are proven workhorses,