| 摘要 |
A liquid-lubricated roll has annular roller means rotatably supported by anti-friction bearings on an elongated axle, which may be curved or straight. To lubricate the bearings with a mist and avoid flooding them with liquid, means are provided for maintaining a selected volume of liquid in the passageway between the roller and axle so that during rotation of the roller, the liquid will form into a thin annular layer on its inner surface, which is not deep enough to flood the bearings. Projections on the axle agitate the liquid to produce a lubricating mist in the remainder of the passageway. Correct liquid volume is obtained by alternative means for removing excess liquid as the roller turns. An indication of the liquid volume can also be obtained by optical means. |
