Double roller crusher/roll crusher/roller crusher/double roll crusher/roll mill crusher can crush materials in middle hardness such as rocks, ore, coke, lump coal, slag, mineral slag, cement clinker, fireproof materials, and so on.

The motor drives the fixed roller and movable roller to work via reducer, V-belts or coupling. Materials are put into the space between the two rollers via the feed entrance. As the two rollers inward turning, the input materials are crushed, pressed, ground, and at last come out from the base of the machine.