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US 4,289,013 AGranted
Crown control for rolling mill
AssigneeTextron Inc.
InventorSiegfried H. Hunke
Life of this patent
Estimating the term…
Abstract
Crown control mechanisms for a cluster rolling mill which includes individually actuated hydraulically driven racks for adjusting in a coordinated manner the positions of backing bearing elements in a manner to counteract work-induced deformation of backing elements and the work rolls.
Claims5
In a mill having a housing, a plurality of work rolls and at least one segmented backing bearing for each work roll, the backing bearing portions being supported on a backing bearing shaft through a plurality of saddles resting against the housing, screw-down mechanism associated with each end of the backing bearing shaft, and
- crown adjusting means in line with each saddle, each said means comprising:
- an eccentric ring between the shaft and the saddle,
- pinion teeth fixed to said eccentric ring,
- a rack engageable with said pinion teeth,
- a hydraulic cylinder and piston mounted on the housing, the piston being operatively connected to the rack, and
- means for coordinated actuation of said cylinders and pistons.
3 more elements
Dependencies are inferred from the claim text.