Roll crusher roller mainly composed of roller support bearings, clamping and adjusting devices and drive components. 

 Output size adjustment: between two rollers or pads with wedge adjustment device, the top wedge-shaped device with the adjustment bolt, when the adjustment bolt to pull up the wedge, the wedge will be active from the fixed top roller wheel, two roller gap is larger, the larger particle size, when the wedge down, the activities in the Spring-loaded roller under the action of two gap becomes smaller, the smaller particle size. Spacer device is through changes in the quantity or thickness shims to adjust the size of the particle size, increase the gasket when the roll gap when the two larger, as when two roller pads to reduce the gap becomes smaller, the smaller particle size .