US3662576A - Control for roll gap of a rolling mill - Google Patents

Control for roll gap of a rolling mill Download PDF

Info

Publication number
US3662576A
US3662576A US28351A US3662576DA US3662576A US 3662576 A US3662576 A US 3662576A US 28351 A US28351 A US 28351A US 3662576D A US3662576D A US 3662576DA US 3662576 A US3662576 A US 3662576A
Authority
US
United States
Prior art keywords
inductance
inductances
gap
control
carrier
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.)
Expired - Lifetime
Application number
US28351A
Other languages
English (en)
Inventor
Siegfried Girlatschek
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.)
Fried Krupp AG
Vereinigte Flugtechnische Werke Fokker GmbH
Original Assignee
Vereinigte Flugtechnische Werke Fokker GmbH
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 Vereinigte Flugtechnische Werke Fokker GmbH filed Critical Vereinigte Flugtechnische Werke Fokker GmbH
Application granted granted Critical
Publication of US3662576A publication Critical patent/US3662576A/en
Anticipated expiration legal-status Critical
Assigned to FRIED, KRUPP GMBH, 4300 ESSEN, FED. REP. OF GERMANY reassignment FRIED, KRUPP GMBH, 4300 ESSEN, FED. REP. OF GERMANY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MESSERSCHMITT-BOELKOW-BLOHM GMBH
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/62—Roll-force control; Roll-gap control by control of a hydraulic adjusting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Control Of Metal Rolling (AREA)
US28351A 1969-06-21 1970-04-13 Control for roll gap of a rolling mill Expired - Lifetime US3662576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691931654 DE1931654B2 (de) 1969-06-21 1969-06-21 Walzenspaltpositionsregelung fuer walzgerueste

Publications (1)

Publication Number Publication Date
US3662576A true US3662576A (en) 1972-05-16

Family

ID=5737706

Family Applications (1)

Application Number Title Priority Date Filing Date
US28351A Expired - Lifetime US3662576A (en) 1969-06-21 1970-04-13 Control for roll gap of a rolling mill

Country Status (5)

Country Link
US (1) US3662576A (de)
DE (1) DE1931654B2 (de)
FR (1) FR2052831A5 (de)
GB (1) GB1288481A (de)
SE (1) SE353792B (de)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777526A (en) * 1971-03-17 1973-12-11 Krupp Gmbh Roller gap control
US3817068A (en) * 1972-05-20 1974-06-18 F Meyer Roll gap and gap error monitoring device
US3849724A (en) * 1971-11-17 1974-11-19 Krauss Maffei Ag Method and apparatus for measuring the gap spacing and relative transverse displacement of an electromagnetic core from an armature using magnetic field sensors
US3850015A (en) * 1972-05-20 1974-11-26 Ver Flugtechnische Werke Roll gap detection
US3902114A (en) * 1967-10-20 1975-08-26 Gunther Alich Method of and apparatus for measuring the distance between cooperating rollers of a rolling mill
US4400665A (en) * 1978-12-23 1983-08-23 Norbert Nix Device for automatically measuring thickness of coatings on a substrate by comparison with an uncoated substrate
US4459550A (en) * 1980-05-22 1984-07-10 Nix Maria Non-magnetic layer thickness tester utilizing a permanent magnet
US4661774A (en) * 1983-12-12 1987-04-28 Harris Graphics Corporation Method and apparatus for monitoring film thickness between rotatable rolls
US4767987A (en) * 1983-12-12 1988-08-30 Harris Graphics Corporation Method and apparatus for monitoring film thicknesses by sensing magnetic interaction between members movable to a film thickness distance
US4814703A (en) * 1987-08-04 1989-03-21 The Boeing Company Method and apparatus for gap measurement between a graphite/epoxy structure and a metallic model
US5040272A (en) * 1989-02-16 1991-08-20 Rieter Machine Works Limited Spacing sensor arrangement and method of checking the spacing between a main carding cylinder and carding machine parts
US5089776A (en) * 1989-09-25 1992-02-18 Nkk Corporation Apparatus for detecting defects in a moving steel strip with a magnetizing yoke and a sensor placed on opposite sides of the strip
US5155444A (en) * 1991-08-22 1992-10-13 Xerox Corporation Trim bar gap verification tool and method using a flexible capacitor sensor having a magnetic metallic laminate
US5177446A (en) * 1989-07-05 1993-01-05 G. D. Societa Per Azioni Device for monitoring the depletion of material uncoiling from rolls, applicable in particular to wrapping machines
US5235275A (en) * 1990-02-22 1993-08-10 Nkk Corporation Magnetic inspection apparatus for thin steel strip having magnetizer and detection coil within a hollow roller rotated by the steel strip
EP0732599A2 (de) * 1995-03-17 1996-09-18 Radiodetection Limited Induktiver Sender zur Leiterlokalisierung
US5617024A (en) * 1993-10-12 1997-04-01 The United States Of America As Represented By The United States National Aeronautics And Space Administration Flux focusing eddy current probe
US6366082B1 (en) * 1998-02-26 2002-04-02 Metso Paper Automation Oy Method and apparatus for determining properties of a moving web with a differential coil sensor
US10994317B2 (en) * 2016-03-08 2021-05-04 Novelis Inc. Method and apparatus for controlling metal strip profile during rolling with direct measurement of process parameters

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2228336C2 (de) * 1972-06-10 1983-04-14 Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen Anordnung zur Messung des Spaltes eines Arbeitswalzenpaares
JPS563149B2 (de) * 1973-06-11 1981-01-23
DE2404763C2 (de) * 1974-02-01 1982-05-13 Vereinigte Flugtechnische Werke Gmbh, 2800 Bremen Meßvorrichtung zur Erfassung des Spaltes eines Arbeitswalzenpaares
GB1529861A (en) * 1975-01-14 1978-10-25 Loewy Robertson Eng Co Ltd Roll gap measurement
JP2626942B2 (ja) * 1992-02-21 1997-07-02 株式会社ブリヂストン カレンダー加工におけるシート厚さの制御方法および制御装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711510A (en) * 1950-06-21 1955-06-21 Rca Corp Metal detector balance controls
US2934698A (en) * 1956-12-03 1960-04-26 Honeywell Regulator Co Magnetic control apparatus
US3208251A (en) * 1961-05-03 1965-09-28 Westinghouse Canada Ltd Rolling mill control system
US3389588A (en) * 1965-03-09 1968-06-25 United States Steel Corp Apparatus for controlling the position of work rolls
US3441840A (en) * 1967-03-31 1969-04-29 Martin Marietta Corp Electronic thickness meter having direct readout of coating thickness
US3492845A (en) * 1966-12-30 1970-02-03 Shibaura Kyodo Kogyo Kk Rolling mill control system
US3516273A (en) * 1966-08-16 1970-06-23 United Eng Foundry Co Strip thickness measuring device for use in a rolling mill and like apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711510A (en) * 1950-06-21 1955-06-21 Rca Corp Metal detector balance controls
US2934698A (en) * 1956-12-03 1960-04-26 Honeywell Regulator Co Magnetic control apparatus
US3208251A (en) * 1961-05-03 1965-09-28 Westinghouse Canada Ltd Rolling mill control system
US3389588A (en) * 1965-03-09 1968-06-25 United States Steel Corp Apparatus for controlling the position of work rolls
US3516273A (en) * 1966-08-16 1970-06-23 United Eng Foundry Co Strip thickness measuring device for use in a rolling mill and like apparatus
US3492845A (en) * 1966-12-30 1970-02-03 Shibaura Kyodo Kogyo Kk Rolling mill control system
US3441840A (en) * 1967-03-31 1969-04-29 Martin Marietta Corp Electronic thickness meter having direct readout of coating thickness

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902114A (en) * 1967-10-20 1975-08-26 Gunther Alich Method of and apparatus for measuring the distance between cooperating rollers of a rolling mill
US3777526A (en) * 1971-03-17 1973-12-11 Krupp Gmbh Roller gap control
US3849724A (en) * 1971-11-17 1974-11-19 Krauss Maffei Ag Method and apparatus for measuring the gap spacing and relative transverse displacement of an electromagnetic core from an armature using magnetic field sensors
US3817068A (en) * 1972-05-20 1974-06-18 F Meyer Roll gap and gap error monitoring device
US3850015A (en) * 1972-05-20 1974-11-26 Ver Flugtechnische Werke Roll gap detection
US4400665A (en) * 1978-12-23 1983-08-23 Norbert Nix Device for automatically measuring thickness of coatings on a substrate by comparison with an uncoated substrate
US4459550A (en) * 1980-05-22 1984-07-10 Nix Maria Non-magnetic layer thickness tester utilizing a permanent magnet
US4661774A (en) * 1983-12-12 1987-04-28 Harris Graphics Corporation Method and apparatus for monitoring film thickness between rotatable rolls
US4767987A (en) * 1983-12-12 1988-08-30 Harris Graphics Corporation Method and apparatus for monitoring film thicknesses by sensing magnetic interaction between members movable to a film thickness distance
US4814703A (en) * 1987-08-04 1989-03-21 The Boeing Company Method and apparatus for gap measurement between a graphite/epoxy structure and a metallic model
US5040272A (en) * 1989-02-16 1991-08-20 Rieter Machine Works Limited Spacing sensor arrangement and method of checking the spacing between a main carding cylinder and carding machine parts
US5177446A (en) * 1989-07-05 1993-01-05 G. D. Societa Per Azioni Device for monitoring the depletion of material uncoiling from rolls, applicable in particular to wrapping machines
US5089776A (en) * 1989-09-25 1992-02-18 Nkk Corporation Apparatus for detecting defects in a moving steel strip with a magnetizing yoke and a sensor placed on opposite sides of the strip
US5235275A (en) * 1990-02-22 1993-08-10 Nkk Corporation Magnetic inspection apparatus for thin steel strip having magnetizer and detection coil within a hollow roller rotated by the steel strip
US5155444A (en) * 1991-08-22 1992-10-13 Xerox Corporation Trim bar gap verification tool and method using a flexible capacitor sensor having a magnetic metallic laminate
US5617024A (en) * 1993-10-12 1997-04-01 The United States Of America As Represented By The United States National Aeronautics And Space Administration Flux focusing eddy current probe
EP0732599A2 (de) * 1995-03-17 1996-09-18 Radiodetection Limited Induktiver Sender zur Leiterlokalisierung
EP0732599A3 (de) * 1995-03-17 1997-11-26 Radiodetection Limited Induktiver Sender zur Leiterlokalisierung
US5764127A (en) * 1995-03-17 1998-06-09 Radiodetection Limited Inductive transmitters for conductor location
US6366082B1 (en) * 1998-02-26 2002-04-02 Metso Paper Automation Oy Method and apparatus for determining properties of a moving web with a differential coil sensor
US10994317B2 (en) * 2016-03-08 2021-05-04 Novelis Inc. Method and apparatus for controlling metal strip profile during rolling with direct measurement of process parameters
US11858022B2 (en) 2016-03-08 2024-01-02 Novelis Inc. Method and apparatus for controlling metal strip profile during rolling with direct measurement of process parameters

Also Published As

Publication number Publication date
FR2052831A5 (de) 1971-04-09
SE353792B (de) 1973-02-12
GB1288481A (de) 1972-09-13
DE1931654A1 (de) 1971-05-27
DE1931654B2 (de) 1971-11-11

Similar Documents

Publication Publication Date Title
US3662576A (en) Control for roll gap of a rolling mill
US3902114A (en) Method of and apparatus for measuring the distance between cooperating rollers of a rolling mill
US3205485A (en) Screening vane electro-mechanical transducer
US2276816A (en) Measuring apparatus
US4387339A (en) Method and apparatus for measuring the spacing between the opposed surfaces of separated elements
US3688854A (en) Balance with electromagnetic compensation
US2558086A (en) Reactor-controlled adjustablespeed drive
US3850015A (en) Roll gap detection
US2445455A (en) Electrical micrometer gauge
GB2146437A (en) Apparatus for measuring the level of the molten metal in the mold of a continuous casting machine
US2676298A (en) Device for measuring the thickness of sheet material
US4823081A (en) Interference magnetic field compensation method which includes supplying a current to a coil to compensate the field
EP0112928B1 (de) Sensor für den tonerspiegel
US2614163A (en) Electromechanical control and indicating system
US2660056A (en) Angle of attack sensing device
US2439711A (en) Electrical measurement of displacement
US3742357A (en) Noncontact electric apparatus for magnetically measuring strains
US2697214A (en) Measuring device
US4916392A (en) Contactless current control sensor in apparatus for magnetoelectric crack detection
US3380301A (en) Magnetic flowmeter for magnetic slurries
US2215148A (en) Electrical gauge for measuring lengths
US2922146A (en) Measuring system with temperature compensation
US3029380A (en) Electrical measuring apparatus
US3249860A (en) Device for measuring the thickness of material
US2880407A (en) Electronic swivel control

Legal Events

Date Code Title Description
AS Assignment

Owner name: FRIED, KRUPP GMBH, 4300 ESSEN, FED. REP. OF GERMAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:MESSERSCHMITT-BOELKOW-BLOHM GMBH;REEL/FRAME:005108/0470

Effective date: 19860423