JPH0426604U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a diagram of the saddle arrangement of a back-up roll showing an embodiment of the present invention, Fig. 2 is a diagram of the roll arrangement of a 12-high rolling mill, and Figs. 3 to 6 show the relationship between the saddle movement amount and the crown control amount. A graph showing the relationship, FIG. 7 is a roll layout diagram of a 20-high rolling mill, and FIGS. 8 and 9 are diagrams of saddle layouts of back-up rolls of a 20-high rolling mill. 1...pass line, 2...work roll, 3...
...Intermediate roll, 4, 5...Backup roll at both ends, 6...Central backup roll, 7...Bearing, 8...Saddle.

Claims (1)

[Claims for Utility Model Registration] A pair of upper and lower work rolls is supported behind by a plurality of intermediate rolls, and the back of the intermediate roll is supported by a plurality of back-up rolls, and the back-up rolls are supported by a saddle. In a back-up roll device of a multi-high rolling mill, which is a split type consisting of a plurality of supported bearings, and in which saddle positions of adjacent back-up rolls are shifted in the axial direction in the pass line direction, A back-up roll device for a multi-high rolling mill, characterized in that the saddle positions of the back-up rolls at both ends located on both sides in the pass line direction are shifted from each other in the axial direction by 1/2 of the saddle pitch.