Claims
- 1. A deflection controlled roll comprising:
a rotating roll jacket; a rotationally fixed yoke arranged to axially pass through said roll jacket; at least one hydrostatic support element arranged on said yoke to exert a supporting force on an inner side of said roll jacket; said at least one hydrostatic support element comprising a pressure space, a hydrostatic pocket, and at least one restrictor or capillary coupled to said at least one hydrostatic pocket; said pressure space is structured and arranged to receive pressure fluid to charge said at least one hydrostatic support element; said at least one restrictor or capillary is structured and arranged to convey pressure fluid to said at least one hydrostatic pocket, wherein said pressure space and said at least one hydrostatic pocket are structured and arranged to be separately supplied with pressure fluid.
- 2. The deflection controlled roll in accordance with claim 1, wherein said at least one hydrostatic support element comprises a piston in cylinder unit.
- 3. The deflection controlled roll in accordance with claim 1, wherein a respective hydrostatic pocket is supplied with a constant volume flow of pressure fluid separately from said pressure space.
- 4. The deflection controlled roll in accordance with claim 1, wherein said at least one hydrostatic support element comprises a plurality of hydrostatic pockets and each of said plurality of hydrostatic pockets is supplied with a constant volume flow of pressure fluid separately from said pressure space.
- 5. The deflection controlled roll in accordance with claim 1, wherein said at least one hydrostatic support element comprises a plurality of support elements arranged in series on said yoke in a direction of a roll axis.
- 6. The deflection controlled roll in accordance with claim 5, wherein said at least one hydrostatic pocket of each of said plurality of support elements are supplied with a constant volume flow of pressure fluid case separately from said pressure space.
- 7. The deflection controlled roll in accordance with claim 1, wherein said pressure fluid supplied to said at least one hydrostatic pocket is pressure oil.
- 8. A deflection controlled roll comprising:
a rotating roll jacket; a rotationally fixed yoke arranged to axially pass through said roll jacket; at least one hydrostatic support element is arranged on said yoke to exert a supporting force on an inner side of said roll jacket; said at least one hydrostatic support element comprising a pressure space, a hydrostatic pocket, and at least one pre-restrictor coupled to said at least one hydrostatic pocket; said pressure space is structured and arranged to receive pressure fluid to charge said at least one hydrostatic support element; and said at least one pre-restrictor being structured and arranged to convey pressure fluid at a constant fluid pressure to said at least one hydrostatic pocket.
- 9. The deflection controlled roll in accordance with claim 8, wherein said at least one hydrostatic support element comprises a piston in cylinder unit.
- 10. The deflection controlled roll in accordance with claim 8, wherein said pre-restrictor is located within said at least one hydrostatic support element.
- 11. The deflection controlled roll in accordance with claim 8, wherein an end of said pre-restrictor remote from said at least one hydrostatic pocket is coupled to a passage separate from said pressure space.
- 12. The deflection controlled roll in accordance with claim 8, wherein said passage is structured and arranged to conducting pressure fluid at a constant pressure.
- 13. The deflection controlled roll in accordance with claim 8, wherein said at least one hydrostatic pocket comprises a plurality of hydrostatic pockets and each of said plurality of hydrostatic pockets is coupled to a pre-restrictor to be charged with a constant fluid pressure.
- 14. The deflection controlled roll in accordance with claim 8, wherein said at least one hydrostatic support element comprises a plurality of support elements arranged in series on said yoke in a direction of a roll axis.
- 15. The deflection controlled roll in accordance with claim 14, wherein said at least one hydrostatic pocket of each of said plurality of support elements are supplied with pressure fluid at a constant fluid pressure separately from said pressure space.
- 16. The deflection controlled roll in accordance with claim 8, wherein said pressure fluid supplied to said at least one hydrostatic pocket is pressure oil.
- 17. A process of operating a deflection controlled roll that includes a rotating roll jacket, a rotationally fixed yoke arranged to axially pass through said roll jacket, and at least one hydrostatic support element arranged on the yoke to exert a supporting force on an inner side of the roll jacket, the at least one hydrostatic support element including a pressure space, a hydrostatic pocket, and at least one restrictor or capillary coupled to the at least one hydrostatic pocket, said process comprising:
supplying pressure fluid to the pressure space to charge the at least one hydrostatic support element; and separately supplying pressure fluid to the at least one hydrostatic pocket through the at least one restrictor or capillary.
- 18. The deflection controlled roll in accordance with claim 17, wherein the at least one hydrostatic pocket is supplied with a constant volume flow of pressure fluid through the at least one restrictor or capillary.
- 19. A process of operating a deflection controlled roll that includes a rotating roll jacket, a rotationally fixed yoke arranged to axially pass through said roll jacket, and at least one hydrostatic support element is arranged on said yoke to exert a supporting force on an inner side of the roll jacket, the at least one hydrostatic support element including a pressure space, a hydrostatic pocket, and at least one pre-restrictor coupled to the at least one hydrostatic pocket, said process comprising:
supplying a pressure fluid to the pressure space to charge the at least one hydrostatic support element; and supplying a pressure fluid at a constant fluid pressure to the at least one hydrostatic pocket through the at least one pre-restrictor.
- 20. The process in accordance with claim 19, wherein the pressure fluid to the at least one pre-restrictor is supplied separately from the pressure fluid to the pressure space.
Priority Claims (1)
Number |
Date |
Country |
Kind |
101 37 326.0 |
Jul 2001 |
DE |
|
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] The present application claims priority under 35 U.S.C. § 119 of German Patent Application No. 101 37 326.0 filed Jul. 31, 2001, the disclosure of which is expressly incorporated by reference herein in its entirety.