JPH03111405U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a front view showing the arrangement of rolls in an embodiment in which the rolling mill of this invention is applied to a five-high rolling mill. FIGS. 2 and 3 are roll arrangement diagrams of a conventional five-high rolling mill and a six-high rolling mill, respectively. 20...Rolling mill, 21...Upper work roll, 22
... Lower work roll, 23 ... Intermediate roll, 24 ...
...Bending roll, 25...Bending roll, 26...Horizontal bending device, 27...Roll bending device, S...Strip, Bmax...Maximum board width, D
1 to D5... Body diameter of each roll, L0... Body length of intermediate roll, L1 to L5... Effective body length of each roll.

Claims (1)

[Scope of utility model registration request] In a rolling mill that has a work roll, an intermediate roll, and a backing roll of different diameters, and a roll bending device is installed on the intermediate roll and small diameter work roll, the effective body length of the work roll and the backing roll is made longer than the maximum sheet width. , the effective body length of the intermediate roll is made equal to or longer than the effective body length of other rolls in contact with the intermediate roll, and the body diameter at both ends of the intermediate roll is gradually decreased outward from the body diameter at the effective body length position. Characteristic rolling mill.