Compensation device for chocks in four-high rolling mill stands

Details Compensation device for chocks in four-high rolling mill stands Compensation device for chocks in four-high rolling mill stands

1997-06-24

1999-06-15

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

722418, B21B 3100

Patent

active

059117826

ABSTRACT:
Compensation device for chocks in four-high rolling mill stands (13) with pair crossing of the rolls (12,112,14,114), the device (10) cooperating with the opposed sides of at least one chock (11) of at least one back-up roll (12, 14), the rolling mill stand (13) comprising a stationary housing (16) and means (21) to transmit a load force ("P") acting substantially on the longitudinal median plane of the stand (13) and contrasting the force of thrust ("S"), the transmission means (21) being located between the stationary housing (16) and the relative chock (11), the rolls (12, 14) including at least a crossover position wherein the load force ("P") defines an eccentricity ("e") with respect to the force of thrust ("S"), the device comprising actuator means (15,115) associated with at least one face of at least one chock (11) and exerting on the chock (11) a push-and-pull action associated functionally with the actual crossover position of the relative roll (12) in relation to the longitudinal median plane passing through the center line of the rolling mill stand (13) and/or functionally associated with the value of the eccentricity ("e").

REFERENCES:
patent: 5365764 (1994-11-01), Kajiwara et al.
patent: 5655398 (1997-08-01), Ginzburg
patent: 5657655 (1997-08-01), Yasuda et al.
patent: 5666837 (1997-09-01), Kajiwara et al.
Patent Abstracts of Japan vol. 008 No. 148 (M-309) Jul. 11, 1984 & JP 59 045009 A (Mitsubishi) Mar. 13, 1984 -abstract.
Patent Abstracts of Japan vol. 008 No. 238 (M-335) Oct. 31, 1984 & JP59 118209A (Mitsubishi) Jul. 7, 1984 -Abstract.
Patent Abstracts of Japan vol. 009 (M-418) Oct. 2, 1985 & JP60 099405 Jun. 3, 1985 abstract.
Patent Abstracts of Japan vol. 008 No. 227 (M-332) Oct. 18, 1984 & JP59 110406 Jun. 26, 1984 abstract.
Patent Abstracts of Japan vol. 018 No. 51 (M-1548) Jan. 26, 1994 & JP 05277525 Mar. 13, 1993 abstract.

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