Title:
傾斜圧延設備、傾斜圧延方法および継目無管の製造方法
Document Type and Number:
Japanese Patent JP7424399
Kind Code:
B2
Abstract:
To provide inclined rolling equipment which ensures rolling stability, realizes suppression of seizures, and can manufacture a tube with suppressed wall thickness deviation, an inclined rolling method with use of the inclined rolling equipment and a seamless tube manufacturing method.SOLUTION: Inclined rolling equipment 1 comprises rolling rolls 11, 12, plug 10 and guides 13, 14, and the guides 13, 14 comprise a mechanism movable in a rolling direction, and a mechanism that adjusts a gap between a material to be rolled and itself. The guides 13, 14 may be extended along the rolling direction.SELECTED DRAWING: Figure 1
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Inventors:
Shunsuke Sasaki
Tatsuro Katsumura
Hideo Kijima
Tatsuro Katsumura
Hideo Kijima
Application Number:
JP2022038797A
Publication Date:
January 30, 2024
Filing Date:
March 14, 2022
Export Citation:
Assignee:
JFE Steel Corporation
International Classes:
B21B19/02; B21B23/00; C22C30/00
Domestic Patent References:
| JP5123714A | ||||
| JP63154206A | ||||
| JP2007290020A | ||||
| JP62127107A |
Attorney, Agent or Firm:
Tetsuro Isomura
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori