Process and computer program for controlling a rolling process

Details Process and computer program for controlling a rolling process Process and computer program for controlling a rolling process

2006-11-30

2010-12-21

Ross, Dana (Department: 3725)

Metal deforming

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

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

C072S007100, C072S010400, C072S365200, C072S205000

Reexamination Certificate

active

07854154

ABSTRACT:
The invention relates to a method for controlling a rolling process, in which a metal strip is rolled flat by use of at least one roller. It is known from the prior art that the relative position of a neutral point represents a measure of the instantaneous stability of a rolling process. However, traditional methods for calculating the position of the neutral point do not accurately represent the actual properties of metal and therefore have only limited usefulness for predicting the stability of a rolling process. In order to allow better control of a rolling process for rolling a metal strip with regard to the actual behavior of the metal strip, the invention proposes a new method for calculating the relative position of the neutral point, in which in particular the flat yield stress keand the hydrostatic pressure pNHat the neutral point are incorporated.

REFERENCES:
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patent: 5365761 (1994-11-01), Knauschner et al.
patent: 5520037 (1996-05-01), Sorgel
patent: 55 61309 (1980-05-01), None
patent: 55068101 (1980-05-01), None
patent: 57115909 (1982-07-01), None
patent: 59166310 (1984-09-01), None
patent: 62 179803 (1987-08-01), None

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