JPS53108852A - Six-stage rolling mill - Google Patents

Six-stage rolling mill

Info

Publication number
JPS53108852A
JPS53108852A JP2377277A JP2377277A JPS53108852A JP S53108852 A JPS53108852 A JP S53108852A JP 2377277 A JP2377277 A JP 2377277A JP 2377277 A JP2377277 A JP 2377277A JP S53108852 A JPS53108852 A JP S53108852A
Authority
JP
Japan
Prior art keywords
rolling mill
stage rolling
roll
specific hardness
backup
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2377277A
Other languages
Japanese (ja)
Inventor
Hiroe Nakajima
Teru Onuki
Toshiyuki Kajiwara
Tomoaki Kimura
Yoshihiko Iida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Nippon Steel Corp
Original Assignee
Hitachi Ltd
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd, Nippon Steel Corp filed Critical Hitachi Ltd
Priority to JP2377277A priority Critical patent/JPS53108852A/en
Publication of JPS53108852A publication Critical patent/JPS53108852A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2267/00—Roll parameters
    • B21B2267/26—Hardness of the roll surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

PURPOSE:To protect the backup roll from the spalling, and to reduce the frequency of its replacement, by constituting the six-stage rolling mill with the work roll, the intermediate roll which has a specific hardness and is movable in the longitudinal direction of the roll, and the backup roll of a specific hardness.
JP2377277A 1977-03-07 1977-03-07 Six-stage rolling mill Pending JPS53108852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2377277A JPS53108852A (en) 1977-03-07 1977-03-07 Six-stage rolling mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2377277A JPS53108852A (en) 1977-03-07 1977-03-07 Six-stage rolling mill

Publications (1)

Publication Number Publication Date
JPS53108852A true JPS53108852A (en) 1978-09-22

Family

ID=12119620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2377277A Pending JPS53108852A (en) 1977-03-07 1977-03-07 Six-stage rolling mill

Country Status (1)

Country Link
JP (1) JPS53108852A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022056159A (en) * 2020-09-29 2022-04-08 Ｊｆｅスチール株式会社 Hot rolling mill and hot rolled steel sheet manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022056159A (en) * 2020-09-29 2022-04-08 Ｊｆｅスチール株式会社 Hot rolling mill and hot rolled steel sheet manufacturing method

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