Semiautogenous grinding (SAG) mill liner design and
hard rock milling operations for reducing primarycrushed ore to ball mill feed. In recent years, the trend has been towards largersized SAG mills with diameters of m (34 ft) and above, with the largest being m (40 ft) in diameter and drawing 20 to 22 MW (Jones, 2006). Mill liners provide the replaceable wearresistant