Sliding bearings for chocks in rolling mill stands with crossed

Details Sliding bearings for chocks in rolling mill stands with crossed Sliding bearings for chocks in rolling mill stands with crossed

1997-06-23

1999-11-16

Hannon, Thomas R.

Bearings

Rotary bearing

Antifriction bearing

F16C 1930

Patent

active

059845295

ABSTRACT:
Sliding bearings for chocks (11) in back-up rolls (12) under load, the back-up rolls (12) cooperating with the respective working rolls (112) and being able to perform crossed displacement in a four-high rolling mill stand for the hot rolling of sheet and/or large plate, the chocks (11) cooperating on the outside with organs to transmit the load from the rolls to the stationary housing (21) and organs to regulate the gap between the working rolls (112), these organs comprising millscrews, hydraulic capsules (13), spacers, etc., the bearings comprising a revolving bearing with conical, truncated cone or barrel-shaped rollers arranged in an intermediate contact position between a lower sliding element, attached to the chock, and an upper sliding element solid with the relative organs to transmit the load, the top or the smaller base of the rollers facing the chock opposite the one with which they are associated, the rollers being disposed radially to define a circular section the center of which is defined by the vertical projection of the center of rotation of the relative back-up roll.

REFERENCES:
patent: 609697 (1898-08-01), Nielson
patent: 1376309 (1921-04-01), Armstrong
patent: 1649285 (1927-11-01), Buckwalter
patent: 3199328 (1965-08-01), Toth
patent: 5320434 (1994-06-01), Fijihara et al.
Patent Abstracts of Japan vol. 007 No. 44 (M-195) Feb. 22, 1983 & JP 57 193211 (Mitsubishi) Nov. 27, 1982 abstract.
Patent Abstracts of Japan vol. 018 No. 677 (M-1727) Dec. 20, 1994 & JP 06 269812 (Hitachi) Sep. 27, 1994--abstract.
Patent Abstracts of Japan vol. 16, No. 245 (M-1260) Jun. 4, 1992 & JP 04 055004 (Mitsubishi) Feb. 21, 1992--abstract.
Shunji Kamada et al "Edge Profile Control Using Pair Cross Mill In Cold Rolling" Iron and Steel Engineer, vol. 73, No. 6, Jun. 1, 1996, pp. 20-26, p. 22, Fig. 4.
Research Disclosure No. 293 Sep. 1, 1988 New York, NY USA, p. 658 Disclosed Anonymously "Rolling Mill Stand" -whole document.

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