초록

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.

대표청구항 ▼

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 th

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.