3 000 3 500 4 000 Fineness acc. to Blaine cm2/g 4 500 5 000 Figure 1: Specific power consumption of ball mill system v/s vertical,Specific power consumption of ball mill system v/s vertical roller mill system for slag grinding Fundamentally, ball mills use proportionately more energy to produce a finer ground product than do VRMs, and,LUM vertical roller mill cement vertical milling,,The vertical drive motor of LUM Ultrafine Vertical Roller Mill through reducer rotating disc, solid material feeding device through air lock from the inlet into the disc center, the centrifugal force field and thrown to the surrounding disc by repeated vertical roller mill rolls and crushed. Crushed material from the edge of the disc of the,LM Vertical Roller Mill, Vertical Mill Manufacturer,LM Vertical Roller Mill. LM Series Vertical Roller Mill is used to pulverize materials like limestone, coal, feldspar, calcite, fluorite, talc, iron ore, copper ore, phosphate rock, graphite, quartz, slag, etc. Material can be pulverized into 80400Mesh with this mill.