OK™ Mill
WEBDec 20, 2017 · OK™ Mill Working Principle. FLSmidth's OK™ Mill use 3050% less energy than ball mill systems, and a simple layout and fewer machines in the mill circuit ensure high run factors and low maintenance costs. FLSmidth'sOK™ Mill use 3050% less energy than ball mill systems, and a simple layout and fewer machines in the mill .