Using new technique, HC series grinding mills is an updated version of R series Raymond mills. For its high performance and energy saving., HC series grinding mill is considered the best choice for grinding almost any non-metallic minerals with Moh’s hardness below 7 and moisture content below 6%, such as marble, calcite, limestone, feldspar, fluorite, gypsum, talc , barite, dolomite, granite, kaolin, bentonite, bauxite, phosphorite, figuline, black lead, clay etc. This kind of roller mill can produce particles ranging from 80 meshes to 800 meshes.

Structure of Raymond mill
The whole system of HC series grinding mill consists of main unit, classifier, air blower, cyclone separator, feeder, piping device, power- driven machine etc.