Rolling method for rod-shaped rolling stock, Particularly rod st

Details Rolling method for rod-shaped rolling stock, Particularly rod st Rolling method for rod-shaped rolling stock, Particularly rod st

1999-07-06

2000-09-05

Tolan, Ed

Metal deforming

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

Metal deforming by use of roller or roller-like tool element

72 106, 72 89, B21B 3758

Patent

active

061125660

ABSTRACT:
A method of rolling rod-shaped rolling stock, particularly rod steel or wire, in a roll stand having two work rolls which are adjustable relative to each other in an adjusting direction and which together form a roll groove with an actual roll gap, so that the rolling stock exits the roll stand with an actual height and an actual width at a rolling speed, wherein the rolling stock is rolled with an actual rolling force. The method includes the steps of adjusting the work rolls through a hydraulic cylinder unit; measuring the actual rolling force; measuring with the aid of the actual rolling force a roll gap spring-back resulting from the rolling force; determining with the aid of the roll gap spring-back and a desired roll gap a roll adjustment correction value such that the actual roll gap approaches the desired roll gap; and changing a roll adjustment within a stand control time by the roll adjustment correction value.

REFERENCES:
patent: 3744288 (1973-07-01), Wykes
patent: 4557126 (1985-12-01), Niino et al.
patent: 4909060 (1990-03-01), Jaquay
patent: 5090224 (1992-02-01), Svagr et al.
patent: 5791182 (1998-08-01), Ciani

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