EP0151675A3 - Method of automatically controlling the rate of reduction in a rolling mill - Google Patents

Method of automatically controlling the rate of reduction in a rolling mill Download PDF

Info

Publication number
EP0151675A3
EP0151675A3 EP84107573A EP84107573A EP0151675A3 EP 0151675 A3 EP0151675 A3 EP 0151675A3 EP 84107573 A EP84107573 A EP 84107573A EP 84107573 A EP84107573 A EP 84107573A EP 0151675 A3 EP0151675 A3 EP 0151675A3
Authority
EP
European Patent Office
Prior art keywords
reduction
rate
rolling mill
automatically controlling
automatically
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
EP84107573A
Other versions
EP0151675A2 (en
EP0151675B1 (en
Inventor
Hitoshi Aizawa
Masaaki Takarada
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.)
JFE Steel Corp
Original Assignee
Kawasaki 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8192027&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0151675(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to DE8484107573T priority Critical patent/DE3177252D1/en
Priority to DE1984107573 priority patent/DE151675T1/en
Priority to EP19840107573 priority patent/EP0151675B1/en
Publication of EP0151675A2 publication Critical patent/EP0151675A2/en
Publication of EP0151675A3 publication Critical patent/EP0151675A3/en
Application granted granted Critical
Publication of EP0151675B1 publication Critical patent/EP0151675B1/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16Control of thickness, width, diameter or other transverse dimensions
    • B21B37/18Automatic gauge control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/36Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by cold-rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
EP19840107573 1981-04-29 1981-04-29 Method of automatically controlling the rate of reduction in a rolling mill Expired EP0151675B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE8484107573T DE3177252D1 (en) 1981-04-29 1981-04-29 METHOD FOR AUTOMATICALLY CONTROLLING THE THICKNESS REDUCTION IN A ROLLING MILL.
DE1984107573 DE151675T1 (en) 1981-04-29 1981-04-29 METHOD FOR AUTOMATICALLY CONTROLLING THE THICKNESS REDUCTION IN A ROLLING MILL.
EP19840107573 EP0151675B1 (en) 1981-04-29 1981-04-29 Method of automatically controlling the rate of reduction in a rolling mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19840107573 EP0151675B1 (en) 1981-04-29 1981-04-29 Method of automatically controlling the rate of reduction in a rolling mill

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP81103238.2 Division 1981-04-29

Publications (3)

Publication Number Publication Date
EP0151675A2 EP0151675A2 (en) 1985-08-21
EP0151675A3 true EP0151675A3 (en) 1987-11-04
EP0151675B1 EP0151675B1 (en) 1991-07-31

Family

ID=8192027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840107573 Expired EP0151675B1 (en) 1981-04-29 1981-04-29 Method of automatically controlling the rate of reduction in a rolling mill

Country Status (2)

Country Link
EP (1) EP0151675B1 (en)
DE (2) DE151675T1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319444A (en) * 1964-11-09 1967-05-16 Allegheny Ludlum Steel Automatic control system for rolling mills and adjustable dies
LU54783A1 (en) * 1967-11-03 1969-07-07
LU56094A1 (en) * 1968-05-16 1970-01-14
US3624369A (en) * 1969-08-04 1971-11-30 Ruloff F Kip Jr Thickness reduction control systems
FR2095254A1 (en) * 1970-06-15 1972-02-11 Allegheny Ludlum Ind Inc
FR2101263A5 (en) * 1970-07-06 1972-03-31 Jeumont Schneider Strip thickness continuous control appts - using an analogue retarding appts a slow correction loop and an automatic adjustment loop
US4244025A (en) * 1979-03-20 1981-01-06 Alshuk Thomas J Rolling mill gauge control system
US4428054A (en) * 1979-11-05 1984-01-24 Kawasaki Steel Corporation Automatic control methods and devices for rolling hills

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5666314A (en) * 1979-11-05 1981-06-04 Kawasaki Steel Corp Automatic controlling method for draft percentage of rolling mill
JPS57181711A (en) * 1981-05-01 1982-11-09 Kawasaki Steel Corp Automatically controlling method of draft of rolling mill

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319444A (en) * 1964-11-09 1967-05-16 Allegheny Ludlum Steel Automatic control system for rolling mills and adjustable dies
LU54783A1 (en) * 1967-11-03 1969-07-07
LU56094A1 (en) * 1968-05-16 1970-01-14
US3624369A (en) * 1969-08-04 1971-11-30 Ruloff F Kip Jr Thickness reduction control systems
FR2095254A1 (en) * 1970-06-15 1972-02-11 Allegheny Ludlum Ind Inc
FR2101263A5 (en) * 1970-07-06 1972-03-31 Jeumont Schneider Strip thickness continuous control appts - using an analogue retarding appts a slow correction loop and an automatic adjustment loop
US4244025A (en) * 1979-03-20 1981-01-06 Alshuk Thomas J Rolling mill gauge control system
US4428054A (en) * 1979-11-05 1984-01-24 Kawasaki Steel Corporation Automatic control methods and devices for rolling hills

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 5, no. 127 (M-83)[799], 15th August 1981; & JP-A-56 066 314 (KAWASAKI SEITETSU K.K.) 04-06-1981 *
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 25 (M-190)[1170], 2nd February 1983; & JP-A-57 181 711 (KAWASAKI SEITETSU K.K.) 09-11-1982 *

Also Published As

Publication number Publication date
EP0151675A2 (en) 1985-08-21
DE151675T1 (en) 1986-02-27
DE3177252D1 (en) 1991-09-05
EP0151675B1 (en) 1991-07-31

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