Method and apparatus for setting-up rolling mill roll gaps

Details Method and apparatus for setting-up rolling mill roll gaps Method and apparatus for setting-up rolling mill roll gaps

G - Physics

05

D

354/25

G05D 5/02 (2006.01) B21B 37/48 (2006.01) B21B 37/58 (2006.01) G05D 5/03 (2006.01)

Patent

CA 1322416

ABSTRACT In setting roll gaps of a rolling mill having a stands arranged in tandem, a resistance to deformation of a workpiece in each of the stands is calculated on the basis of a cumulative strain in each stand with strain of the workpiece which is in an entrance side of the mill and in a soaked state being 0. The resistance to deformation of the soaked workpiece is obtained in each stand, so that the accuracy of estimation of the resistance to deformation is improved and thus a precise roll gap setting becomes possible, resulting in that a product thickness is made coincident with an objective thickness at high accuracy. (FIG. 1)

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