Roll stand comprising a crown-variable-control (CVC) roll pair

Details Roll stand comprising a crown-variable-control (CVC) roll pair Roll stand comprising a crown-variable-control (CVC) roll pair

2006-06-13

2006-06-13

Suhol, Dmitry (Department: 3725)

Metal deforming

By use of roller or roller-like tool-element

Roller or roller-like tool-element of particular configuration

C072S247000, C072S241800

Reexamination Certificate

active

07059163

ABSTRACT:
The invention relates to a roll stand comprising a crown-variable-control (CVC) roll pair, preferably a CVC working roll pair and a back-up roll pair, which comprise a contact area (B cont) in which a horizontally active torque (M) acts that leads to a twisting of the rolls and thus to axial forces in the roll bearings. In order to keep the axial forces in the roll bearings as small as possible, the torque (M) is minimized by an appropriate CVC grinding.

REFERENCES:
patent: 4881396 (1989-11-01), Seidel et al.
patent: 6324881 (2001-12-01), Benedetti et al.
patent: 2005/0034501 (2005-02-01), Seilinger et al.
patent: 0294544 (1988-12-01), None
Patent Abstracts of Japan, vol. 1995, No. 011, Feb. 28, 1995 & JP 06 285518 A ) Kobe Steel Ltd) , Oct. 11, 1994.
Patent Abstracts of Japan, Vo. 011 , No. 166, (M-593) , May 28, 1987 & JP 61 296904 A (Nippon Steel Corp) , Dec. 27, 1986.

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