EP1452246B1 - Dispositif pour la mésure des deformations dépendant de la charge des cylindres logés dans des cages de laminoir des bandes métalliques - Google Patents

Dispositif pour la mésure des deformations dépendant de la charge des cylindres logés dans des cages de laminoir des bandes métalliques Download PDF

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Publication number
EP1452246B1
EP1452246B1 EP04003973A EP04003973A EP1452246B1 EP 1452246 B1 EP1452246 B1 EP 1452246B1 EP 04003973 A EP04003973 A EP 04003973A EP 04003973 A EP04003973 A EP 04003973A EP 1452246 B1 EP1452246 B1 EP 1452246B1
Authority
EP
European Patent Office
Prior art keywords
roll
measuring
sensors
rollers
longitudinal axis
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
EP04003973A
Other languages
German (de)
English (en)
Other versions
EP1452246A3 (fr
EP1452246A2 (fr
Inventor
Axel Dipl.-Ing. Barten (Eth)
Werner Ing. Stahl
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
Application filed by Achenbach Buschhetten GmbH and Co KG filed Critical Achenbach Buschhetten GmbH and Co KG
Publication of EP1452246A2 publication Critical patent/EP1452246A2/fr
Publication of EP1452246A3 publication Critical patent/EP1452246A3/fr
Application granted granted Critical
Publication of EP1452246B1 publication Critical patent/EP1452246B1/fr
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
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/12—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 camber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2267/00—Roll parameters
    • B21B2267/18—Roll crown; roll profile
    • B21B2267/22—Hydraulic expansion of rolls
    • 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
    • B21B27/02—Shape or construction of rolls
    • 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
    • B21B27/02—Shape or construction of rolls
    • B21B27/03—Sleeved rolls
    • B21B27/05—Sleeved rolls with deflectable sleeves

Definitions

  • the invention relates to a device for measuring load-dependent deformations of rollers installed in strip rolling stands, with an optical sensor system installed in at least one roller for detecting the roll deflection with respect to the roll longitudinal axis (US Pat. EP 0 315 043 A2 ).
  • the contour measuring device is equipped with a longitudinal beam extending over the roller length, on which a plurality of cooled, non-contact distance sensors, in particular eddy current sensors, are arranged at a lateral distance from each other transversely to the roller longitudinal axis.
  • a measurement of the measuring point opposite roll gap is not possible with these measuring devices, especially in view of the weight forces, rolling and bending forces and by the Presence of any intermediate rolls affected measurement results.
  • Roll gap measuring devices such as those from the US 3,102,960 , of the DE 29 52 232 A1 and the EP 0 250 768 A2 are known, do not allow a measurement of the roll gap under load or in the band range under load.
  • the in the EP-A-0315 043 described generic device for measuring load-dependent deformations of the rolls of a roll stand comprises per roller as a measuring two sensors, which are arranged at different angles to each other, and two optical receiver for measuring the deflection caused by the deflection of a light beam from the zero position of the roll axis and a Measuring device for angular position determination of the two receivers at the respective measuring time. If a time-synchronous determination of the rolling force and the derived angle between the rolling force and the vertical is desired, two light beams focused on the two optical receivers are required. The technique of this known measuring device is very expensive.
  • Subject of the JP-A-57-142719 is a measuring device for determining load-dependent deformations of the work rolls of a roll stand, which consists of a equipped with strain gauges rod which is inserted into a coaxial with the roll axis measuring bore of the work roll.
  • the measuring signals of the strain gauges are transmitted by an integrated into the measuring bore of the roller transmitter to an external computer for evaluation.
  • the invention has for its object to develop a device for measuring the load-dependent deflection of built-in roll mills rollers.
  • one or more measuring cartridges or measuring cartridges installed in at least one roller are or are proposed in which or in each of which a laser / CCD array for detecting the roll deflection with respect to the geometrical, linear longitudinal axis of the roller which forms the axis of rotation is proposed.
  • Laser CCD / arrays in contrast to the aforementioned sensors, can represent deviations in the geometric longitudinal axis of a roller only at their installation location However, in addition, to make statements about vibration and eccentricity deviations in the form of a locus.
  • the signal transmission of the sensors is carried out by the prior art corresponding transmission devices, for example, optical, electrical, magnetic, capacitive or wireless technology.
  • a significant advantage of the measuring cartridge according to the invention is to be seen in their installation in the roller, which protects the sensor from mechanical stresses and contamination.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Rolling (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Claims (2)

  1. Dispositif de mesure de déformations, dépendant de la charge, de cylindres montés dans des cages de laminoir de feuillard, comprenant un dispositif optique de capteur monté dans au moins un cylindre pour détecter la flexion du cylindre par rapport à l'axe longitudinal du cylindre, caractérisé par une cartouche de mesure ou par plusieurs cartouches de mesure montées dans au moins un cylindre, dans laquelle ou dans lesquelles est disposée respectivement une matrice laser/CCD pour détecter la flexion du cylindre sous la forme d'un lieu de points.
  2. Dispositif de mesure suivant la revendication 1, caractérisé par le montage d'au moins une cartouche de mesure dans un cylindre à bombement réglable hydrauliquement.
EP04003973A 2003-02-27 2004-02-21 Dispositif pour la mésure des deformations dépendant de la charge des cylindres logés dans des cages de laminoir des bandes métalliques Expired - Lifetime EP1452246B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20303173U DE20303173U1 (de) 2003-02-27 2003-02-27 Einrichtung zur Messung belastungsabhängiger Verformungen von in Bandwalzgerüsten eingebauten Walzen
DE20303173U 2003-02-27

Publications (3)

Publication Number Publication Date
EP1452246A2 EP1452246A2 (fr) 2004-09-01
EP1452246A3 EP1452246A3 (fr) 2006-01-25
EP1452246B1 true EP1452246B1 (fr) 2008-02-13

Family

ID=7980393

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04003973A Expired - Lifetime EP1452246B1 (fr) 2003-02-27 2004-02-21 Dispositif pour la mésure des deformations dépendant de la charge des cylindres logés dans des cages de laminoir des bandes métalliques

Country Status (4)

Country Link
EP (1) EP1452246B1 (fr)
AT (1) ATE385861T1 (fr)
DE (2) DE20303173U1 (fr)
ES (1) ES2298634T3 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142719A (en) * 1981-02-27 1982-09-03 Nippon Kokan Kk <Nkk> Measuring device for deflection of working roll of rolling mill
DE3619412A1 (de) * 1986-06-12 1987-12-17 Hoesch Stahl Ag Verfahren und vorrichtung zur walzspaltmessung und regelung
DE3736999A1 (de) * 1987-10-31 1989-06-01 Rosenstock Hans G Verfahren zur walzkraftmessung an walzwerkswalzen
DE19838457B4 (de) * 1998-08-25 2007-12-06 Betriebsforschungsinstitut, VDEh-Institut für angewandte Forschung Meßrolle zum Feststellen von Planheitsabweichungen

Also Published As

Publication number Publication date
EP1452246A3 (fr) 2006-01-25
EP1452246A2 (fr) 2004-09-01
DE502004006155D1 (de) 2008-03-27
ES2298634T3 (es) 2008-05-16
ATE385861T1 (de) 2008-03-15
DE20303173U1 (de) 2003-04-30

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