DE2747729A1 - Cold rolling metal strip - where strip flatness controller uses infrared scanner to monitor strip temp. - Google Patents

Cold rolling metal strip - where strip flatness controller uses infrared scanner to monitor strip temp.

Info

Publication number
DE2747729A1
DE2747729A1 DE19772747729 DE2747729A DE2747729A1 DE 2747729 A1 DE2747729 A1 DE 2747729A1 DE 19772747729 DE19772747729 DE 19772747729 DE 2747729 A DE2747729 A DE 2747729A DE 2747729 A1 DE2747729 A1 DE 2747729A1
Authority
DE
Germany
Prior art keywords
strip
cold rolling
temp
roll
monitor
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.)
Withdrawn
Application number
DE19772747729
Other languages
German (de)
Inventor
Nichtnennung Beantragt
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.)
Achenbach Buschhetten GmbH and Co KG
Original Assignee
Achenbach Buschhetten GmbH and Co KG
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
Priority to DE19732349611 priority Critical patent/DE2349611B2/en
Priority claimed from US05/648,912 external-priority patent/US3990284A/en
Application filed by Achenbach Buschhetten GmbH and Co KG filed Critical Achenbach Buschhetten GmbH and Co KG
Priority to DE19772747729 priority patent/DE2747729A1/en
Priority to IT28941/78A priority patent/IT1159945B/en
Publication of DE2747729A1 publication Critical patent/DE2747729A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0022Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
    • 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
    • B21B37/28Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2267/00Roll parameters
    • B21B2267/18Roll crown; roll profile
    • B21B2267/19Thermal crown

Abstract

Parent patent described controlling the flatness of strip, esp. fine strip, during cold rolling. On the exit side of the mill is a contactless sensor (a) measuring the strip temp. across the width of the strip and connected to a pulse generator employed to adjust roll flexure and/or roll cooling. In this addn., sensor (a) scans the radiation emitted by the rolled strip in different regions of the spectrum, esp. in the infrared region. The device described in the parent patent was not accurate, due to the disturbing effects of oil vapour etc. generated during rolling. The invention eliminates such interference.

Description

Einrichtung zum Regeln der Planheit Device for regulating the flatness

von bandfermigem Walzgut für Kaltwalzwerke Die Erfindung bezieht sich auf eine Einrichtung zum Regeln der Planheit von bandförmigem Walzgut, insbesondere von Feinbändern, für Kaltwalzwerke mit einem hinter dem Walzspalt angeordneten berührungslos arbeitenden Temperaturmeßgerät zur Messung der Temperatur über die Bandbreite des kontinuierlich laufenden Bandes, wobei die ermittelten Meßwerte zur Impulserzeugung für die Regelung der Walzenbiegeeinrichtung und/ oder der Walzenkühleinrichtung verwendet sind, nach Patent ..... of strip-shaped rolling stock for cold rolling mills The invention relates on a device for regulating the flatness of strip-shaped rolling stock, in particular of fine strip, for cold rolling mills with a contactless one arranged behind the roll gap working temperature measuring device for measuring the temperature over the bandwidth of the continuously running belt, with the determined measured values for pulse generation for controlling the roll bending device and / or the roll cooling device are used, according to patent .....

(Patentanmeldung P 23 49 611.9-14).(Patent application P 23 49 611.9-14).

Die Regeleinrichtung nach dem Hauptpatent ..... (Patentanmeldung P 23 49 611.9-14) arbeitet ungenau, da die gemessenen Temperaturwerte durch äußere Störeinflüsse, die beispielsweise durch das auf dem aus dem Walzwerk austretenden Walzband befindliche Walzöl sowie Öldämpfe bedingt sind, verfälscht werden. The control device according to the main patent ..... (patent application P 23 49 611.9-14) works imprecisely because the measured temperature values are due to external Interferences caused, for example, by the emerging from the rolling mill Rolling oil and oil vapors contained in the rolled strip are falsified.

Die Erfindung hat sich zum Ziel gesetzt, eine Einrichtung zum Regeln der Planheit von bandförmigem Walzgut, insbesondere Feinbändern,für Kaltwalzwerke zu schaffen, die unabhängig vcn äußeren Störeinflüssen arbeitet. The invention has set itself the goal of a device for regulating the flatness of strip-shaped rolled material, especially fine strips, for cold rolling mills to create that works independently of external interference.

Ausgehend von einer Regeleinrichtung der eingangs beschriebenen Art wird diese Aufgabe dadurch gelöst, daß das Temperaturmeßgerät als Strahlungs-Abtasteinrichtung mit verschiedenen Spektralbereichen ausgebildet ist. Based on a control device of the type described above This object is achieved in that the temperature measuring device is used as a radiation scanning device with different Spectral ranges is formed.

Einem weiteren Merkmal der Erfindung zufolge weist die Strahlungs-Abtasteinrichtung einen Ultrarot-Meßbereich auf. According to a further feature of the invention, the radiation scanning device an ultra-red measuring range.

Die Verwendung einer Strahlungs-Abtasteinrichtung mit verschiedenen Spektralbereichen bei der erfindungsgemäßen Regeleinrichtung ermöglicht es, den Störeinfluß von Strahlungsquellen außerhalb der Objektgrenzen auszuschalten. Dies wird durch den Einbau von entsprechenden Filtern in den Strahlengang des Abtastgerätes erreicht. Die Abtasteinrichtung kann außerhalb des Hauptarbeitsbereiches des Walzwerkes angeordnet werden, so daß Beschädigungen der Einrichtung ausgeschlossen sind. The use of a radiation scanner with various Spectral ranges in the control device according to the invention enables the Eliminate interference from radiation sources outside the object boundaries. this is achieved by installing appropriate filters in the beam path of the scanning device achieved. The scanning device can be outside the main working area of the rolling mill be arranged so that damage to the device is excluded.

Weitere Einzelheiten der Erfindung sind der nachfolgenden Beschreibung eines in der Zeichnung dargestellten Ausführungsbeispiels zu entnehmen. Es zeigen Fig. 1 eine Regeleinrichtung mit einem hinter dem Walzspalt angeordneten Bandtemperaturmeßgerät in schematischer Darstellung und Fig. 2 eine perspektivische schematische Darstellung des als Strahlungs-Abtasteinrichtung ausgebildeten Temperaturmeßgerätes. Further details of the invention are the following description an embodiment shown in the drawing. Show it 1 shows a control device with a strip temperature measuring device arranged behind the roll gap in a schematic illustration and FIG. 2 is a perspective schematic illustration of the temperature measuring device designed as a radiation scanning device.

Das Walzgerüst nach Fig. 1 weist in bekannter Weise zwei Stützwalzen 1, 2 sowie zwei Arbeitswalzen 3, 4 auf, zwischen denen das Band 5 in Pfeilrichtung a durch den Walzspalt 6 läuft. The roll stand according to FIG. 1 has, in a known manner, two backup rolls 1, 2 and two work rolls 3, 4, between which the belt 5 in the direction of the arrow a runs through the roll gap 6.

Die Durchbiegung der Arbeitswalzen 3, 4 wird durch eine Stellvorrichtung 7, 8 vorgenommen, und die Kühlung der Arbeitswalzen erfolgt ein- oder beidseitig durch Kühivorrichtungen 9, 10.The deflection of the work rolls 3, 4 is controlled by an adjusting device 7, 8, and the work rolls are cooled on one or both sides by cooling devices 9, 10.

In Laufrichtung des Walzbandes 5 hinter dem Walzspalt 6 ist eine Abtasteinrichtung 11 mit einem Drehspiegel 12 und einem besonders ausgebildeten Ultrarotobjektiv 13 angeordnet, das die natürliche Infrarotstrahlung 14 des Walzbandes 5 über den Drehspiegel 12 zur Messung der Oberflächentemperatur des Bandes empfängt. Die Abtasteinrichtung 11 ist im großen Abstand von dem zu prüfenden Walzband 5 angeordnet. Das Ultrarotobjektiv 13 tastet das durchlaufende Band 5 quer zur und/ oder entlang der Laufrichtung a ab, und die aufgenommenen Temperaturänderungen werden elektronisch ausgewertet und können durch einen Impulsgeber 15 Impulse zur Regelung der Stellvorrichtungen 7, 8 für die Arbeitswalzen 3, 4 und/oder der Kühl vorrichtungen 9, 10 auslösen. Die durch äußere Störgrößen, beispielsweise durch das Walzöl oder Uldämpfe, erzeugten Spektralbereiche können durch das Einsetzen von entsprec-henden Filtern in den Strahlengang der Abtasteinrichtung 11 ausgefiltert werden. In the running direction of the rolled strip 5 behind the roll gap 6 is a Scanning device 11 with a rotating mirror 12 and a particularly trained ultrared lens 13 arranged, which the natural infrared radiation 14 of the rolled strip 5 via the rotating mirror 12 for measuring the surface temperature of the tape. The scanning device 11 is at a large distance from the one to be tested Rolled strip 5 arranged. The ultra-red lens 13 scans the running belt 5 transversely to and / or along the running direction a from, and the recorded temperature changes are evaluated electronically and a pulse generator can generate 15 pulses Control of the adjusting devices 7, 8 for the work rolls 3, 4 and / or the cooling devices 9, 10 trigger. The by external disturbances, for example by the rolling oil or Uldampf, generated spectral ranges can by the onset filtered out by appropriate filters in the beam path of the scanning device 11 will.

In Abweichung von dem beschriebenen Ausführungsbeispiel kann die Regeleinrichtung mit einer Abtasteinrichtung ausgestattet sein, die in jedem gewünschten Spektralbereich arbeitet. In a departure from the exemplary embodiment described, the Control device can be equipped with a scanning device in any desired Spectral range works.

Claims (2)

Patentansprüche 4j)\Einrichtung zum Regeln der Planheit von bandförmigem Walzgut, insbesondere von Feinbändern, für Kaltwalzwerke mit einem hinter dem Walzspalt angeordneten berührungslos arbeitenden Temperaturmeßgerät zur Messung der Temperatur über die Handbreite des kontinuierlich laufenden Bandes, wobei die ermittelten Meßwerte zur Impulserzeugung für die Regelung der Walzenbiegeeinrichtung und/oder der Walzenkühleinrichtung verwendet sind, nach Patent ..... (Patentanmeldung P 23 49 611.9-14), dadurch gekennzeichnet, daß das Temperaturmeßgerät als Strahlungs-Abtasteinrichtung (11) mit verschiedenen Spektralbereichen ausgebildet ist. Claims 4j) \ Device for regulating the flatness of belt-shaped Rolled stock, especially fine strips, for cold rolling mills with a behind the roll gap arranged non-contact temperature measuring device for measuring the temperature over the width of the hand of the continuously running belt, with the measured values determined for generating pulses for regulating the roll bending device and / or the roll cooling device are used according to patent ..... (patent application P 23 49 611.9-14), characterized in that that the temperature measuring device as a radiation scanning device (11) with different Spectral ranges is formed. 2. Regeleinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Strahlungs-Abtasteinrichtung (11) einen Ultrarot-Meßbereich aufweist. 2. Control device according to claim 1, characterized in that the radiation scanning device (11) has an ultra-red measuring range.
DE19772747729 1973-10-03 1977-10-25 Cold rolling metal strip - where strip flatness controller uses infrared scanner to monitor strip temp. Withdrawn DE2747729A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19732349611 DE2349611B2 (en) 1973-10-03 1973-10-03 DEVICE FOR REGULATING THE FLATNESS OF STRIP-SHAPED ROLLED MATERIAL FOR COLD ROLLING MILLS
DE19772747729 DE2747729A1 (en) 1973-10-03 1977-10-25 Cold rolling metal strip - where strip flatness controller uses infrared scanner to monitor strip temp.
IT28941/78A IT1159945B (en) 1977-10-25 1978-10-20 Cold rolling metal strip

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19732349611 DE2349611B2 (en) 1973-10-03 1973-10-03 DEVICE FOR REGULATING THE FLATNESS OF STRIP-SHAPED ROLLED MATERIAL FOR COLD ROLLING MILLS
US51054574A 1974-09-30 1974-09-30
US05/648,912 US3990284A (en) 1973-10-03 1976-01-14 Method of and device for controlling the planeness of band-shaped material
DE19772747729 DE2747729A1 (en) 1973-10-03 1977-10-25 Cold rolling metal strip - where strip flatness controller uses infrared scanner to monitor strip temp.

Publications (1)

Publication Number Publication Date
DE2747729A1 true DE2747729A1 (en) 1979-04-26

Family

ID=30449398

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19732349611 Ceased DE2349611B2 (en) 1973-10-03 1973-10-03 DEVICE FOR REGULATING THE FLATNESS OF STRIP-SHAPED ROLLED MATERIAL FOR COLD ROLLING MILLS
DE19772747729 Withdrawn DE2747729A1 (en) 1973-10-03 1977-10-25 Cold rolling metal strip - where strip flatness controller uses infrared scanner to monitor strip temp.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19732349611 Ceased DE2349611B2 (en) 1973-10-03 1973-10-03 DEVICE FOR REGULATING THE FLATNESS OF STRIP-SHAPED ROLLED MATERIAL FOR COLD ROLLING MILLS

Country Status (1)

Country Link
DE (2) DE2349611B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464106A1 (en) * 1979-08-30 1981-03-06 Chabanov Alim Automatic control of cross=section profile of rolled strip - via electronic circuit which accurately adjusts tension across strip leaving hot or cold rolling mill
EP0376887A1 (en) * 1988-12-30 1990-07-04 Alusuisse-Lonza Services Ag Method and device for controlling the flatness of cold-rolled metal strip
EP2230031A1 (en) * 2009-03-20 2010-09-22 Siemens VAI Metals Technologies Ltd. Edge flatness monitoring

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028275B1 (en) * 1979-11-01 1984-04-04 Reycan Research Limited Apparatus for controlling the shape of aluminium sheet produced in a rolling mill
EP0057290A1 (en) * 1981-02-02 1982-08-11 Hoogovens Groep B.V. Temperature scanner
CN112464390B (en) * 2020-10-14 2023-03-24 首钢京唐钢铁联合有限责任公司 Method and device for determining residual thermal crown of working roll of hot rolling mill
CN216226141U (en) * 2021-11-25 2022-04-08 宁德时代新能源科技股份有限公司 Rolling device and rolling system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2464106A1 (en) * 1979-08-30 1981-03-06 Chabanov Alim Automatic control of cross=section profile of rolled strip - via electronic circuit which accurately adjusts tension across strip leaving hot or cold rolling mill
EP0376887A1 (en) * 1988-12-30 1990-07-04 Alusuisse-Lonza Services Ag Method and device for controlling the flatness of cold-rolled metal strip
US4964289A (en) * 1988-12-30 1990-10-23 Swiss Aluminum Ltd. Process and device for regulating the flatness of a cold rolled metal strip
EP2230031A1 (en) * 2009-03-20 2010-09-22 Siemens VAI Metals Technologies Ltd. Edge flatness monitoring

Also Published As

Publication number Publication date
DE2349611B2 (en) 1977-10-27
DE2349611A1 (en) 1975-04-10

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