... feldspar, calcite, limestone, talc, ceramics, marble, granite, dolomite, bauxite, iron ore, barite, bentonite, coal gangue, coal, etc. the ideal choice ... hanger on fastening a 1000-1500 kg powered pressure spring. When the machine start working, grinding roller around the spindle, ... rolling, the rolling pressure is 1.2 times higher than the same dynamic conditions Raymond powder machine, so the yield ...