Arrangement for axially displacing rolls in rolling mill stands

Details Arrangement for axially displacing rolls in rolling mill stands Arrangement for axially displacing rolls in rolling mill stands

1988-05-18

1990-07-24

Bray, W. Donald

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72237, 285276, 285317, 403316, 403324, L21B 3118

Patent

active

049427547

ABSTRACT:
An arrangement for axially displacing rolls in rolling mill stands. The rolls of the rolling mill stands are supported in roll supports or chocks which are adjustably and slidably guided in the roll housings of the stand. The rolls are displaceable by means of hydraulic piston-cylinder units which are supported relative to the roll housing and are connected to the supports of the bearings of the roll. The bearings of the rolls are axially slidable within the roll supports and a sliding guide is arranged on the roll support for a sliding carriage which supports a coupling device for a roll neck. The hydraulic piston-cylinder units are articulated to the sliding carriage. The coupling device includes drive members which are slidable in radial guides and can be placed in an annular groove of the roll neck. The coupling device is supported by the neck bushing of the deep-groove-type radial roller bearing which is immovably arranged in the sliding carriage. The drive members include skirt-type pistons which are guided in radially extending guide bores within the neck bushing. The pistons are biased by means of a spring in the direction toward the roll neck and are biased toward the opposite direction by means of a pressure medium.

REFERENCES:
patent: 4185935 (1980-01-01), Bierlein
patent: 4191042 (1980-03-01), Salten, Jr.

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