Title:
熱間圧延機および熱間圧延方法
Document Type and Number:
Japanese Patent JP7233828
Kind Code:
B2
Abstract:
A hot rolling mill 1 includes a control apparatus 20 that adjusts an angle formed between an upper-side pair of an upper backup roll 120A and an upper work roll 110A and a lower-side pair of a lower backup roll 120B and a lower work roll 110B in a state where the upper-side pair is kept parallel and in a state where the lower-side pair is kept parallel. The hot rolling mill 1 is configured such that the work rolls 110A and 110B satisfy the condition that DW/Lb is equal to or smaller than 0.30 where DW is a diameter of the work rolls 110A and 110B, and Lb is the maximum strip width of a rolled material, and the hot rolling mill 1 performs rolling in a state where a bending force is applied to the work rolls.
Inventors:
Tatsunori Sugimoto
Kenji Horii
Akio Kuroda
Akira Sako
Shinya Kanamori
Kenji Horii
Akio Kuroda
Akira Sako
Shinya Kanamori
Application Number:
JP2022518461A
Publication Date:
March 07, 2023
Filing Date:
April 27, 2020
Export Citation:
Assignee:
Primetals Technologies Japan Co., Ltd.
International Classes:
B21B13/14; B21B29/00; B21B31/16; B21B37/28
Domestic Patent References:
| JP2002529250A | ||||
| JP2003112211A | ||||
| JP61202704A | ||||
| JP4253508A |
Attorney, Agent or Firm:
Patent Attorney Corporation Kaichi