FIELD: machine engineering.
SUBSTANCE: press roll comprises a rod (1) and a bandage (2) fixed on the rod. The bandage (2) comprises cooling channels (6) distributed over periphery which are provided by means of radially extending feed and discharge channels (7) and connected to a central axial channel (8) in the rod (1). On the rod (1), there are at least two distribution rings (10) connected to the bandage (2) at the end faces. In said rings, there are channels (11) extending in direction to the periphery and connected at one side with radial feed and discharge channels (7), and on the other side, with the cooling channels (6). At that, the distribution rings (10) are in the zone of the radial feed and discharge channels (7) and overlap said channels.
EFFECT: improvement of the press roll cooling.
11 cl, 5 dwg
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SU549351A1 | |
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