Title:
連続熱間圧延における鋼片の接合装置および接合方法、連続熱間圧延設備および連続熱間圧延方法、熱延鋼板の製造装置および熱延鋼板の製造方法
Document Type and Number:
Japanese Patent JP6988849
Kind Code:
B2
Abstract:
To provide a device and method for slab joint capable of preventing deposition of molten steel on the lower part of a joint clamp, to provide a continuous hot rolling facility and method, and to provide a device and method for production of hot rolled steel sheets.SOLUTION: There is provided a device for slab joint in continuous hot rolling for joining the tail edge of a preceding slab and the front edge of a following slab at the inlet side of a finish rolling machine of a continuous hot rolling line. The device comprises: a step imparting unit imparting a step part to each joint area and the upper face of the tail edge of the preceding slab and the front edge of the following slab; a heater heating the tail edge of a preceding slab and the front edge of a following slab in a non-contacting and facing arrangement of the step part-imparted faces; and a pressing unit by which the above heated tail edge and front edge are abutted, pressed and joined.SELECTED DRAWING: Figure 1
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Inventors:
Toshio Okazaki
Masayasu Ueno
Masayasu Ueno
Application Number:
JP2019046617A
Publication Date:
January 05, 2022
Filing Date:
March 14, 2019
Export Citation:
Assignee:
jfe Steel Corporation
International Classes:
B21B15/00; B21B1/26; B23K13/02
Domestic Patent References:
| JP2018015792A | ||||
| JP8252677A | ||||
| JP5138205A | ||||
| JP4210801A | ||||
| JP63005806A | ||||
| JP2014176864A |
Attorney, Agent or Firm:
Isomura Tetsuro
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori
Akira Kumasaka
Tetsuya Sakai
Kazuhiro Mori