Roller installation: roller assembly installed at the factory and on-site installation. Factory assembly factory idler roller coalmine, the general order: bearing and seal inspection, cleaning and oiling and housing inspection, cleaning and rust cylinder machining and welding, and then on a dedicated assembly machine Coal price roller assembly, in accordance with the order from the inside out piece by piece press-fit assembly. Roller installation: roller roller processing coal mine before installation, you should check the specifications of the model meets the requirements of the conveyor for damage and so on. After installation, should be flexible rotation. Requirements roller roller installation (self-aligning roller and transitional care mix except) on the surface in the same plane (horizontal or inclined), or in a common radius of the arc (conveyor concave and convex arcs roller).