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

1989-09-20

1992-02-04

Dixon, Joseph L.

Boots, shoes, and leggings

72 8, 364469, G01M 700, B21B 3712

Patent

active

050863991

ABSTRACT:
In setting roll gaps of a rolling mill having stands arranged in tandem, the 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 zero. 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. Thus, a precise roll gap setting becomes possible, resulting in a product of a thickness accurately coincident with an objective thickness.

REFERENCES:
patent: 3648494 (1972-03-01), Lautenschlager
patent: 4033183 (1977-07-01), List et al.
patent: 4037087 (1977-07-01), Foulds
patent: 4151594 (1979-04-01), Stern
patent: 4323971 (1982-04-01), Moltner et al.
patent: 4326257 (1982-04-01), Sata et al.
patent: 4335435 (1982-06-01), Miura
patent: 4485497 (1984-12-01), Miura
patent: 4551805 (1985-11-01), Shimoda et al.
patent: 4719855 (1988-01-01), Cannon et al.
patent: 5012660 (1991-05-01), Peterson et al.

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