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US 7,024,906 B2Granted
Roll stand for rolling bar-shaped or tubular material
AssigneeKocks Technik GmbH & Co.
InventorHeinrich Potthoff
Life of this patent
Estimating the term…
Abstract
The roll stand having at least one roll shaft 2, which carries a roll 6 and is subdivided into sectional shafts 3, 4 for the purpose of being able to change the roll, comprises at least one labyrinth-seal arrangement which is arranged in an annular gap 23, 24 formed between the respective sectional shaft 3, 4 and a bearing device for the roll shaft.
Claims12
A roll stand (100) for rolling bar-shaped or tubular material,
- having a stand housing (1),
- having a plurality of rolls (2) which are each arranged on a rotatably mounted roll shaft (8),
- having at least one bearing device which is arranged in the stand housing (1) and in which a roll shaft (8) is radially mounted, the bearing device being configured in such a way that the roll shaft (8) can be selectively shifted by an adjusting displacement in the radial direction and fixed within the adjusting displacement,
- having at least one device (37) comprising a part connected to the roll shaft and a part connected to the stand housing and intended for mounting the roll shaft in the axial direction, this device enabling the roll shaft (8) to be shifted in the radial direction at least by the adjusting displacement,
- wherein that part of the device (37) for mounting the roll shaft in the axial direction which is connected to the roll shaft (8) is provided on a hub (48), relative to which the roll shaft (8) can selectively be either shifted or fixed in the axial direction, and/or that part of the device (37) for mounting the roll shaft in the axial direction which is connected to the stand housing (1) is attached to the stand housing (1) in such a way as to be releasable from outside.
2 more elements
Dependencies are inferred from the claim text.