Apparatus for a balanced adjustment of the roll position in stan

Details Apparatus for a balanced adjustment of the roll position in stan Apparatus for a balanced adjustment of the roll position in stan

1996-12-17

1998-12-15

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72249, B21B 3107

Patent

active

058485449

ABSTRACT:
An apparatus is described for adjusting the position of rolls (9) in stands with two working rolls for longitudinal rolling mills, in particular for rolling seamless tubes, with hydraulic capsule directly connected to the chock (8) of each roll bearing, wherein said capsule comprises a movable piston (2) and stationary parts (1, 3). At one end of said piston (2) there is provided a shaped axial element (12) for the engagement into a corresponding undercut groove (18) of said chock (8) to balance the own weights and take up the end plays along the capsule axis. Such an apparatus is preferably associated with a device for detecting the relative position between piston (2) and stationary parts (1, 3) by means of a transducer (7) in an out-of-center position with respect to the axis.

REFERENCES:
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patent: 4918964 (1990-04-01), Engel et al.
patent: 5448901 (1995-09-01), Yu et al.

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