Method of determining the spring characteristic of a roll stand

Details Method of determining the spring characteristic of a roll stand Method of determining the spring characteristic of a roll stand

1990-12-21

1992-02-25

Larson, Lowell A.

Metal deforming

With use of control means energized in response to activator...

Sensing tool or tool-linked part

72 21, 72 35, 72246, 72248, 7386255, B21B 3120, G01L 500

Patent

active

050902245

ABSTRACT:
A method of determining the spring characteristic of a roughing and finishing stand and a method of adjusting the roll gap of the roll stand prior to rolling, particularly for rolling lightweight sections with narrow tolerances, wherein at least one horizontal roll of the stand is adjustable. The stand has a swingable stand top which connects the housing posts of the stand housings, wherein the stand top is connected to the housing posts by tie rods which are pretensioned by a hydraulic tensioning device. At least the upper of the horizontal rolls is moved by an electromechanical adjustment unit of the rolls towards the other roll and the rolling forces to be measured between the roll bodies is applied by the hydraulic tensioning device, wherein the electromechanical adjustment unit is adjustable by predeterminable adjustment distances in the unloaded state while maintaining roll contact.

REFERENCES:
patent: 3533255 (1970-10-01), Sims
patent: 4127997 (1978-12-01), Quehen
patent: 4918964 (1990-04-01), Engel et al.
patent: 4944175 (1990-07-01), Svagr et al.

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