| 摘要 |
An expander roll assembly, wherein the shaft has a lubricating conduit extending along substantially its axial length, an oil-mist lubricant supply is coupled to an end of the lubricating conduit, and spray nozzle fittings are provided laterally adjacent each ball bearing unit between the outer surface portion of the roll and the shaft to spray oil-mist lubricant against a portion of each ball bearing assembly. An end seal assembly is provided to protect against entry of dust and similar foreign matter at the ends of the roll, and structure is provided for withdrawal of any surplus oil-mist lubricant to an external collecting facility.
|
