Title:
METHOD FOR CONTROLLING WARP SHAPE OF METALLIC BAND, METHOD FOR PRODUCING METALLIC BAND, AND DEVICE FOR CONTROLLING WARP SHAPE OF METALLIC BAND
Document Type and Number:
WIPO Patent Application WO/2024/062765
Kind Code:
A1
Abstract:
Provided is a method that is for controlling a warp shape of a metallic band, and that makes it possible to reduce the height of warp in a metallic band on the downstream side of a temper rolling mill by performing control on a warp shape having a W-shaped cross section in the plate width direction or on a warp shape that is approximated by a high-dimensional function. The method for controlling the warp shape of a metallic band is for use in a metallic band manufacturing facility comprising a temper rolling mill 31 for correcting the shape of a metallic band 1 conveyed continuously and a warp shape measurement device for measuring the warp shape of the metallic band, and controls an exit-side warp which is the warp shape of the metallic band 1 on the downstream side of the temper rolling mill 31. The method involves: calculating an approximate curve for the warp shape of the metallic band 1 using an approximation method selected from among parabola approximation, circular arc approximation, and envelope approximation; and setting, on the basis of the calculated approximate curve, operational parameters, for the temper rolling mill 31, capable of reducing the warp height in the exit-side warp shape.
Inventors:
BABA WATARU (JP)
TAKASHIMA YUKIO (JP)
KOBAYASHI HIROKAZU (JP)
TAKASHIMA YUKIO (JP)
KOBAYASHI HIROKAZU (JP)
Application Number:
PCT/JP2023/027672
Publication Date:
March 28, 2024
Filing Date:
July 28, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21B37/28; B21B1/22; B21B37/38; B21B37/56; B21B38/02; B21C51/00; B21D1/05
Foreign References:
| CN107552573A | 2018-01-09 | |||
| JP2020062680A | 2020-04-23 | |||
| JP2010066132A | 2010-03-25 | |||
| JP2013176802A | 2013-09-09 |
Attorney, Agent or Firm:
KUMASAKA Akira et al. (JP)
Download PDF: