JPS6415207A - On-line grinding device for rolling mill - Google Patents

On-line grinding device for rolling mill

Info

Publication number
JPS6415207A
JPS6415207A JP17128587A JP17128587A JPS6415207A JP S6415207 A JPS6415207 A JP S6415207A JP 17128587 A JP17128587 A JP 17128587A JP 17128587 A JP17128587 A JP 17128587A JP S6415207 A JPS6415207 A JP S6415207A
Authority
JP
Japan
Prior art keywords
roll
cylinder
frame
actuated
grinding body
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.)
Granted
Application number
JP17128587A
Other languages
Japanese (ja)
Other versions
JPH0763733B2 (en
Inventor
Kazuo Kobayashi
Yoshiaki Mito
Hisao Matsushima
Takamasa Kawasaki
Toshifumi Yabuuchi
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.)
Mitsubishi Heavy Industries Ltd
JFE Engineering Corp
Original Assignee
Mitsubishi Heavy Industries Ltd
NKK Corp
Nippon Kokan Ltd
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 Mitsubishi Heavy Industries Ltd, NKK Corp, Nippon Kokan Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP62171285A priority Critical patent/JPH0763733B2/en
Publication of JPS6415207A publication Critical patent/JPS6415207A/en
Publication of JPH0763733B2 publication Critical patent/JPH0763733B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B28/00—Maintaining rolls or rolling equipment in effective condition
    • B21B28/02—Maintaining rolls in effective condition, e.g. reconditioning
    • B21B28/04—Maintaining rolls in effective condition, e.g. reconditioning while in use, e.g. polishing or grinding while the rolls are in their stands

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

PURPOSE:To reduce the changing frequencies for grinding and to improve the production efficiency by bringing a grinder for a rolling roll group installed in both top and bottom surface sides of a stock to be rolled in contact with plural rolling rolls in the rolling roll group to grind plural rolls. CONSTITUTION:A retractor cylinder 32 is actuated to shift a base frame 26 to a roll 10 side and to bring a grinding body 6 to abut on the roll 10. Then, a cylinder mechanism 24 is actuated to set the grinding body 6 in a prescribed angle; a cylinder 20 is actuated to reciprocately move a holder frame 8 in the axial direction of the roll 10, which concurrently is rotated so that the surface of the roll 10 is grinded. At the time that the surface of a backup roll 12 has flaws, the retractor cylinder 32 is retracted to put the base frame 26 over a guide rail 4, a cylinder 30 is extended to upwardly tilt a frame supporting table 16 from the frame 26. The grinding body 6 at the top of the holder frame 8 is abutted on the backup roll 12 to grind the surface.
JP62171285A 1987-07-10 1987-07-10 Online grinding machine for rolling mill Expired - Lifetime JPH0763733B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62171285A JPH0763733B2 (en) 1987-07-10 1987-07-10 Online grinding machine for rolling mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62171285A JPH0763733B2 (en) 1987-07-10 1987-07-10 Online grinding machine for rolling mill

Publications (2)

Publication Number Publication Date
JPS6415207A true JPS6415207A (en) 1989-01-19
JPH0763733B2 JPH0763733B2 (en) 1995-07-12

Family

ID=15920486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62171285A Expired - Lifetime JPH0763733B2 (en) 1987-07-10 1987-07-10 Online grinding machine for rolling mill

Country Status (1)

Country Link
JP (1) JPH0763733B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6076388A (en) * 1991-03-29 2000-06-20 Hitachi, Ltd. Rolling mill, hot rolling system, rolling method and rolling mill revamping method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200494504Y1 (en) * 2020-11-16 2021-10-28 (주)하나금속 The rolling machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS635811A (en) * 1986-06-26 1988-01-11 Sumitomo Metal Ind Ltd Roll grinding device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS635811A (en) * 1986-06-26 1988-01-11 Sumitomo Metal Ind Ltd Roll grinding device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6076388A (en) * 1991-03-29 2000-06-20 Hitachi, Ltd. Rolling mill, hot rolling system, rolling method and rolling mill revamping method

Also Published As

Publication number Publication date
JPH0763733B2 (en) 1995-07-12

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