 Ball Mill an overview | ScienceDirect Topics The ball mill is a tumbling mill that uses steel balls as the grinding media The length of the cylindrical shell is usually 0-00 times the shell diameter (Figure 000)The feed can be dry, with less than 0% moisture to minimize ball coating, or slurry containing 00-00% water by weight (PDF) DESIGN AND FABRICATION OF MINI BALL MILL To ensure the stability of the mini ball mill, a ball mill base is design and fabricate to withstand the weight of the rotating jar, motor and gears After a few hours, stop the mini ball mill and Grinding in Ball Mills: Modeling and Process Control 