Gold Mining Sag Mill Trummel Screen

A SAG Mill trommel screen lets you control the true discharge size of your SAG mill or the transfer size to the downstream Ball Mill circuit. A well sized trommel should not let rocks pass to the Ball Mill if they are to be than say 58 or 16mm In the image case below, strangely enough, Metso is the mill shell liner and discharge grate manufacturer. The grates it provides to this CuPb.