Title:
熱間圧延機および熱間圧延方法
Document Type and Number:
Japanese Patent JP7233827
Kind Code:
B2
Abstract:
Angles of an upper-side pair of an upper work roll 110A and an upper backup roll 120A, and a lower-side pair of a lower work roll 110B and a lower backup roll 120B are adjusted in a state where the upper-side pair is kept parallel and in a state where the lower-side pair is kept parallel. Thereafter, work-roll pressing apparatuses 130A and 130B, work-roll position control apparatuses 140A and 140B, backup-roll pressing apparatuses 150A and 150B, and backup-roll position control apparatuses 160A and 160B are controlled such that the angles of the upper work roll 110A and the lower work roll 110B are adjusted in a state where the angles of the upper backup roll 120A and the lower backup roll 120B are maintained.
Inventors:
Tatsunori Sugimoto
Kenji Horii
Akio Kuroda
Akira Sako
Shinya Kanamori
Kenji Horii
Akio Kuroda
Akira Sako
Shinya Kanamori
Application Number:
JP2022518460A
Publication Date:
March 07, 2023
Filing Date:
April 27, 2020
Export Citation:
Assignee:
Primetals Technologies Japan Co., Ltd.
International Classes:
B21B31/16; B21B13/14; B21B31/18; B21B37/28
Domestic Patent References:
| JP6198307A | ||||
| JP2002529250A | ||||
| JP10180319A | ||||
| JP2002292402A |
Attorney, Agent or Firm:
Patent Attorney Corporation Kaichi