| 摘要 |
A roller of furnace roll table includes a hollow steel axle with radial ventilation openings fit to drive and non-driven trunnions, component barrel assembled of outer circular bushings with longitudinal lugs and slots, those are connected to hollow axle with formation of longitudinal axial ventilation channels. The roller is equipped with rigidity ribs made of refractory steel of sheet rolled material, and the radial ventilation openings are arranged on the surface of the hollow axle in screw line in such way that the radial openings correspond to the slots of the outer circular bushings. In the trunnions from the end side horizontal ventilation channels with flares are provided and directed towards the non-driven trunnion, taper of those is within 1/4…1/3. |
