Title:
METHOD FOR ROLLING STRIP
Document Type and Number:
Japanese Patent JP3241618
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a rolling method of a strip by which the length of off-edge drop with a shifting motion is shortened and troubles such as pinching and breaking of a sheet in the vicinity of a weld point do not occur at the time of continuously rolling the strip which is made by joining a preceeding material and succeeding material while executing edge drop control at any time using a one-side tapered work roll shifting rolling mill.
SOLUTION: During rolling the preceding material 10, preferably during high-speed rolling, a shifting position is changed from a 1st position 51 where is set corresponding to the preceding material 10 to the 2nd position 52 where is appointed between the 1st position and the 3rd position 53 where is set corresponding to the succeeding material 11 and, next, the shift point is changed from the 2nd position to the 3rd position in the vicinity of the boundary (weld point) 30 between the preceding material 10 and the succeeding material 11, or by providing coinciding the 2nd position with the 3rd position, shift position change from the 2nd position to the 3rd position in the vicinity of the boundary is omitted.
Inventors:
Toshihiro Fukaya
Eldest son Tomio
Hisao Imai
Eldest son Tomio
Hisao Imai
Application Number:
JP32837496A
Publication Date:
December 25, 2001
Filing Date:
December 09, 1996
Export Citation:
Assignee:
Kawasaki Steel Co., Ltd.
International Classes:
B21B15/00; B21B37/00; B21B37/28; B21B37/42; (IPC1-7): B21B37/28; B21B15/00; B21B37/00; B21B37/42
Domestic Patent References:
| JP732020A |
Attorney, Agent or Firm:
Eiichi Kobayashi