Adjusting device for the rolls of a calendar

Details Adjusting device for the rolls of a calendar Adjusting device for the rolls of a calendar

1997-06-16

1999-06-15

Hail, III, Joseph J.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

B21B 3707, B21B 3132

Patent

active

059117834

ABSTRACT:
An adjusting device for the rolls of a calender having a hydraulic drive for the fine setting of the rolls in their working position and a hydraulic drive for positioning the rolls in the working, maintenance and roll-change positions. The hydraulic drive for positioning the rolls includes hydraulic cylinders having double-acting pistons. An interlock device is provided, by which the piston rod can be interlocked positively in the working position of the rolls, after which the piston rod can be acted on by a prestressing force opposed to the adjusting direction in such a way that the interlock has no play.

REFERENCES:
patent: 3596490 (1971-08-01), Willeke et al.
patent: 3853368 (1974-12-01), Eichelsheim
patent: 4471686 (1984-09-01), Garlapaty

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