Title:
ロールスタンドにおいて、ワークロール対および/またはバックアップロール対を交換する方法および装置
Document Type and Number:
Japanese Patent JP2005533654
Kind Code:
A
Abstract:
A device for changing pairs of work rolls and/or pairs of backup rolls of roll stands, wherein the rolls are each supported in chocks and are movable out or in by a lower back up roll supported on a track and wheels. The work rolls on the drive side of the roll stand can be coupled to a hydraulic piston-cylinder actuator that is dimensioned in is stroke length for the removal or installation distance and can be uncoupled when it has been withdrawn by the required distance. A roll changing frame can be coupled to the actuator and, when the upper backup roll and the roll changing frame are supported on the lower backup roll, the pair of backup rolls can be moved out or back in. The actuator is coupled to a pusher with connecting arms aligned with ends of the rolls. The actuator is arranged on the drive side of the roll stand and is coupled to the pusher through a piston rod.
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Inventors:
Berendes Andreas
Clapdle Armin
Clapdle Armin
Application Number:
JP2004506994A
Publication Date:
November 10, 2005
Filing Date:
April 17, 2003
Export Citation:
Assignee:
SMS Demark Actien Gezel Shaft
International Classes:
B21B31/10; B21B13/02; (IPC1-7): B21B31/10
Domestic Patent References:
| JPS57176107U | 1982-11-08 | |||
| JPS52146754A | 1977-12-06 | |||
| JPH02187208A | 1990-07-23 | |||
| JPS62110807A | 1987-05-21 | |||
| JPS5536063A | 1980-03-13 | |||
| JPH07256317A | 1995-10-09 | |||
| JPH07275910A | 1995-10-24 |
Attorney, Agent or Firm:
Mitsufumi Esaki
Tsuneo Mihara
Okumura Yoshimichi
Blacksmith
Tsuneo Mihara
Okumura Yoshimichi
Blacksmith