02/06/2016 · Towermillverticalgrindingmill VertimillRegrindMillsScaleupTowerMillVSIsaMill VERTIMILLWorkIndex Variablesaffectingthefinegrindingofmineralsusingstirredmills. IsaMills, Tower Mill and Verti Mill. Ultrafine Grinding in a Tower Mill. The Tower Mill is a vertical "stirred" ball/pebble mill recently introduced in the Western Hemisphere.