Title:
形鋼の曲がり矯正方法及び形鋼の製造方法
Document Type and Number:
Japanese Patent JP7052352
Kind Code:
B2
Abstract:
To further accurately correct a bend of shape steel.SOLUTION: A method for correcting a bend in the web height direction of shape steel 10 having a web and a flange provided in an end part in the height direction of the web, comprises a rolling condition determination process of determining a rolling condition of the flange based on a bend-shaped curve provided by a measurement process of a bend shape. The rolling condition determination process determines the rolling condition of the flange based on an average value of a bend quantity per unit length of the shape steel in respective sections by setting a plurality of sections in the longer direction of the shape steel, and determines the length of the respective sections so as to become minimum in the total sum of an error between the bend quantity per unit length in respective positions in the longer direction of the shape steel and an average value of the bend quantity per unit length in the respective sections on the length of the respective sections.SELECTED DRAWING: Figure 1
Inventors:
Mitsuhiko Maeno
Rinya Komaki
Matsumoto Minoru
Rinya Komaki
Matsumoto Minoru
Application Number:
JP2017253533A
Publication Date:
April 12, 2022
Filing Date:
December 28, 2017
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21D3/05
Domestic Patent References:
| JP2014140898A | ||||
| JP2014208371A |
Attorney, Agent or Firm:
Tetsuya Mori
田中 秀▲てつ▼
Hirose Hajime
Miyasaka Tohru
田中 秀▲てつ▼
Hirose Hajime
Miyasaka Tohru
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