Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1978-09-25
1980-02-12
Mehr, Milton S.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72 21, 72205, B21B 3700
Patent
active
041877071
ABSTRACT:
This disclosure relates to a process for the regulation of the thickness of a flat product such as a strip, sheet or plate, being rolled in a hot tandem rolling mill, and the corresponding regulation device for carrying out the process. Regarding each stand of the rolling mill on which the adjustment is being performed, a constant rolling pressure is maintained, the gap is measured, the deviation between the measured gap and a set value corresponding to a desired thickness of the product is determined, and the necessary correction of the value of the tensile force applied on the product between the stand under consideration and the upstream stand in order to bring the gap back to its set value is determined. Finally, this correction of the tensile force between the stand under consideration and the upstream stand is performed.
REFERENCES:
patent: 3357217 (1967-12-01), Wallace et al.
patent: 3550414 (1970-12-01), List
patent: 3782151 (1972-01-01), Peterson et al.
patent: 3808858 (1974-05-01), Connors et al.
patent: 4033492 (1977-07-01), Imai
Kikel Suzanne
Mehr Milton S.
Patch Daniel
Secim
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