Device to replace the rolls in a four-high rolling stand for she

Details Device to replace the rolls in a four-high rolling stand for she Device to replace the rolls in a four-high rolling stand for she

1997-04-21

1998-07-21

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

B21B 3107, B21B 3108

Patent

active

057821267

ABSTRACT:
Device to replace the rolling rolls for use in a four-high rolling stand to roll sheet and/or wide plate, the rolls (11, 12) being supported by chocks (13) and cooperating axially with connecting liners (16) associated with the spindles (15) connected to the drive means, the device comprising a support and travel unit (28) with a first inactive position (28a) and a second active position (28b) of temporal support and maintenance in position at least of the liner elements (16), the travel and support unit (28) comprising a plate (20) associated with lifting means (19) and including in a substantially central position an aperture (21) to receive the liner (16) associated with the lower roll (12), and at the upper end, a positioning hollow (22) which cooperates, when the travel and support unit (28) is in its active position (28b), with the liner (16) associated with the upper roll (11).

REFERENCES:
patent: 3540254 (1970-11-01), Bode, Jr.
patent: 3543556 (1970-12-01), Wolfendale
patent: 4155240 (1979-05-01), Okuda et al.
patent: 4308741 (1982-01-01), Ishii et al.
patent: 4552007 (1985-11-01), Mantovn

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