EP1453620B1 - Einrichtung zur messung des walzspaltes zwischen arbeitswalzen eines kalt- oder warmwalzgerüstes - Google Patents

Einrichtung zur messung des walzspaltes zwischen arbeitswalzen eines kalt- oder warmwalzgerüstes Download PDF

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Publication number
EP1453620B1
EP1453620B1 EP02787736A EP02787736A EP1453620B1 EP 1453620 B1 EP1453620 B1 EP 1453620B1 EP 02787736 A EP02787736 A EP 02787736A EP 02787736 A EP02787736 A EP 02787736A EP 1453620 B1 EP1453620 B1 EP 1453620B1
Authority
EP
European Patent Office
Prior art keywords
bending
cylinder
roll gap
piston
rolling gap
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.)
Revoked
Application number
EP02787736A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1453620A1 (de
Inventor
Dirk TÄUBER
Dieter Daub
Hartmut Pawelski
Josef Zeppenfeld
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.)
SMS Group GmbH
Original Assignee
SMS Siemag AG
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=26010766&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1453620(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE10202526.6A external-priority patent/DE10202526B4/de
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP1453620A1 publication Critical patent/EP1453620A1/de
Application granted granted Critical
Publication of EP1453620B1 publication Critical patent/EP1453620B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • B21B38/10—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends

Definitions

  • the invention relates to a device for measuring a roll gap between work rolls of a cold or hot rolling stand for the rolling of narrow or wide metal strips, in particular of non-ferrous metal strips, by means of at least one position or displacement sensor for indirect roll gap reference measurement.
  • the means for measuring the roll gap are therefore also used to control the skew about the employment or the transducer on the support roller chocks, whereby a direct roll gap measurement is given.
  • the skew of the nip is not precise enough adjustable. The reason is that the measurement is too far away from the roll gap.
  • the invention has for its object to provide a suitable even for such cases of the lateral band path roll gap measurement at low rolling force, which is also designed to be protected and low maintenance.
  • the position or displacement transducer is between the lead blocks or work roll chocks or between the stationary cylinder block and a movable nip reference measurement member installed and it is a regulation of the measured at the bending blocks inclined position of the rolled strip provided via a position of the roll gap influencing piston-cylinder units and / or setting a different bending forces in the, the roll gap influencing piston-cylinder units.
  • a practical embodiment may be designed according to other features in that the position or Weggeber penetrates a cylinder liner, at the front side of a magnet for the encoder rod of the magnetostrictive transducer is arranged in a central cavity of the piston for the bending cylinder and that the encoder rod, the piston rod penetrates the bending cylinder penetrating in an axial central bore of the piston rod, which ends at a vent hole.
  • a position or displacement sensor is adjustable, which is fixedly arranged in a bending block is.
  • the guide tube is fixedly arranged in a bending block and slidably guided in the opposite bending block.
  • another embodiment is provided such that the guide tube is slidably mounted in a guide bush in an opposite bending block.
  • the work rolls 1a and 1b ( Fig. 1 ) are shown partially cut and are guided by a respective support roller 2.
  • the work roll chocks 3a, 3b are guided in the uprights as usual.
  • the work rolls 1a and 1b are also held in bending blocks 4a and 4b vertically displaceable to the nip 7.
  • the bending blocks 4a, 4b are attached to the (not shown) roll stand of the rolling stand.
  • the bending cylinders 5a, 5b are arranged.
  • a position or displacement sensor 6 is installed for the roll gap reference measurement and integrated into the bending cylinder 5a, 5b.
  • the drawn position or displacement sensor 6 is designed as a magnetostrictive encoder ( Fig. 1 and 2 ). From the measured values of the position or displacement sensor 6, a control system or a control loop is constructed.
  • the measured control values bring about an exact adjustment of the roll gap 7, in order to achieve optimum threading or unthreading into the closed roll gap 7 and for optimum rolling of metal strips (made of steel or non-ferrous materials) with desired flatness and the required profile.
  • the magnetostrictive position or displacement sensor 6 is in Fig. 2 shown enlarged.
  • the position or displacement sensor 6 penetrates a cylinder bushing 8, on the end face 8a of which a magnet 9 for the encoder rod 10 of the magnetostrictive transducer 6a is arranged in a centric cavity 11a of the piston 11.
  • the piston 11 carrying the piston 11b has an axial central bore 12, in which the encoder rod 10 is arranged.
  • the central bore 12 terminates at a vent hole 13 with a locking screw 14.
  • Fig. 3 is in each case a cylinder block 15, a guide tube 16 is arranged near the nip 7.
  • the guide tube 16 guided in the bending block 4b opposite by means of a guide bush 17 and the position or displacement sensor 6 is guided or mounted by means of a guide rod 18.
  • FIG. 4 In the diagram of Fig. 4 the relationship between the slant of the roll gap 7 (measured at different locations) and the lateral running of the rolled strip (made of steel or softer non-ferrous materials) is shown.
  • the coefficient of determination R 2 of the linear regression means close to "1" a favorable value and is advantageous as a controlled variable. In the lower region, R 2 is smaller than in the upper region and is less suitable as a controlled variable. From these contexts follows that a regulation of the inclination of the rolled strip by measuring at the bending blocks 4a, 4b can significantly minimize the unwanted lateral band course.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Control Of Metal Rolling (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Metal Rolling (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Continuous Casting (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Actuator (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Crushing And Grinding (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
EP02787736A 2001-12-12 2002-11-20 Einrichtung zur messung des walzspaltes zwischen arbeitswalzen eines kalt- oder warmwalzgerüstes Revoked EP1453620B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10161094 2001-12-12
DE10161094 2001-12-12
DE10202526.6A DE10202526B4 (de) 2001-12-12 2002-01-24 Einrichtung zur Messung des Walzspaltes zwischen Arbeitswalzen eines Kalt- oder Warmwalzgerüstes
DE10202526 2002-01-24
PCT/EP2002/012976 WO2003053604A1 (de) 2001-12-12 2002-11-20 Einrichtung zur messung des walzspaltes zwischen arbeitswalzen eines kalt- oder warmwalzgerüstes

Publications (2)

Publication Number Publication Date
EP1453620A1 EP1453620A1 (de) 2004-09-08
EP1453620B1 true EP1453620B1 (de) 2011-02-02

Family

ID=26010766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02787736A Revoked EP1453620B1 (de) 2001-12-12 2002-11-20 Einrichtung zur messung des walzspaltes zwischen arbeitswalzen eines kalt- oder warmwalzgerüstes

Country Status (14)

Country Link
US (1) US7174758B2 (ja)
EP (1) EP1453620B1 (ja)
JP (1) JP4886966B2 (ja)
CN (1) CN1313220C (ja)
AT (1) ATE497414T1 (ja)
AU (1) AU2002352062A1 (ja)
BR (1) BR0214472B1 (ja)
CA (1) CA2469077C (ja)
DE (1) DE50214899D1 (ja)
ES (1) ES2359805T3 (ja)
RU (1) RU2296020C2 (ja)
TW (1) TWI271226B (ja)
UA (1) UA90649C2 (ja)
WO (1) WO2003053604A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006024101A1 (de) * 2006-05-23 2007-11-29 Sms Demag Ag Walzgerüst und Verfahren zum Walzen eines Walzbandes
DE102007001322A1 (de) * 2007-01-03 2008-07-10 Sms Demag Ag Führungsvorrichtung für die Einbaustücke von Arbeitswalzen
DE102008049179A1 (de) * 2008-09-26 2010-04-01 Sms Siemag Aktiengesellschaft Walzvorrichtung
DE102009039501A1 (de) * 2009-08-31 2011-03-03 Sms Siemag Ag Verfahren zur Einstellung der Walzen eines Walzgerüsts und Walzgerüst
DE102011078139A1 (de) * 2011-06-07 2012-12-13 Sms Siemag Ag Messvorrichtung, Walzgerüst und Verfahren zum Erfassen der Höhe eines Walzspalts
DE112012003956B4 (de) 2011-09-23 2024-03-07 Sms Group Gmbh Walzanlage und -verfahren
CN104511488B (zh) * 2014-12-15 2016-07-06 武汉钢铁(集团)公司 森吉米尔轧机工作辊位置关系测量装置及方法
CA3123561A1 (en) * 2016-03-08 2017-09-14 Novelis Inc. Method and apparatus for controlling metal strip profile during rolling with direct measurement of process parameters
CN110465550B (zh) * 2019-08-17 2021-02-02 中铝瑞闽股份有限公司 一种铝合金冷轧稳定可靠的辊缝测量信号的处理方法
DE102021205275A1 (de) 2021-05-21 2022-11-24 Sms Group Gmbh Verfahren zum Betreiben eines Walzgerüstes

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353385A (en) * 1963-05-08 1967-11-21 Neumann Karl Josef Roll gap measuring device
GB1190738A (en) 1966-08-16 1970-05-06 United Eng Foundry Co Means for indicating the Roll Pass Opening in a Rolling Mill or Calender
DE1602033A1 (de) 1967-10-21 1970-04-23 Krupp Gmbh Regeleinrichtung fuer Walzgerueste
US3733875A (en) * 1971-07-12 1973-05-22 Mesta Machine Co Work roll sensing and/or balancing arrangements
DE2503130C3 (de) 1975-01-27 1986-02-13 Fried. Krupp Gmbh, 4300 Essen Walzenabstandsmeßvorrichtung
US4283930A (en) * 1977-12-28 1981-08-18 Aichi Steel Works Limited Roller-dies-processing method and apparatus
JPS56144812A (en) * 1980-04-10 1981-11-11 Kawasaki Steel Corp Controlling method for roll gap of upper and lower work roll of hot rolling mill and measuring device for opening of roll chock
JPS57103723A (en) 1980-12-19 1982-06-28 Kawasaki Steel Corp Controlling method and measuring device for gap between upper and lower work roll chock of rolling mill
JPS57137012A (en) * 1981-02-16 1982-08-24 Nippon Kokan Kk <Nkk> Roll gap measuring device for working roll of rolling mill
JPS57209710A (en) 1981-06-16 1982-12-23 Sumitomo Metal Ind Ltd Plate thickness controlling method
JPS58199610A (ja) * 1982-05-18 1983-11-21 Kobe Steel Ltd 圧延機のロ−ルギヤツプ検出装置
JPS61199506A (ja) 1985-02-28 1986-09-04 Ishikawajima Harima Heavy Ind Co Ltd 圧延機
JPS61276708A (ja) 1985-05-30 1986-12-06 Sumitomo Metal Ind Ltd 圧延機のチヨツク間隙計測装置
CN86101231B (zh) * 1986-03-03 1987-04-08 冶金部自动化研究所 电动压下高精度辊缝检测装置
CN1040073C (zh) * 1989-12-25 1998-10-07 石川岛播磨重工业株式会社 轧机的板厚控制系统
DE59505484D1 (de) 1994-07-08 1999-05-06 Siemens Ag Einrichtung zur Erfassung des Walzspaltes zwischen zwei Arbeitswalzen eines Walzgerüstes
CN1044577C (zh) * 1995-11-30 1999-08-11 机械工业部西安重型机械研究所 四辊轧机的辊缝检测装置

Also Published As

Publication number Publication date
WO2003053604A1 (de) 2003-07-03
EP1453620A1 (de) 2004-09-08
CA2469077A1 (en) 2003-07-03
RU2004121181A (ru) 2005-06-10
TWI271226B (en) 2007-01-21
DE50214899D1 (de) 2011-03-17
US7174758B2 (en) 2007-02-13
TW200301714A (en) 2003-07-16
US20050066698A1 (en) 2005-03-31
JP2005512815A (ja) 2005-05-12
CN1313220C (zh) 2007-05-02
ATE497414T1 (de) 2011-02-15
AU2002352062A1 (en) 2003-07-09
UA90649C2 (uk) 2010-05-25
JP4886966B2 (ja) 2012-02-29
CN1604825A (zh) 2005-04-06
CA2469077C (en) 2011-02-01
BR0214472A (pt) 2004-09-14
BR0214472B1 (pt) 2010-09-21
RU2296020C2 (ru) 2007-03-27
ES2359805T3 (es) 2011-05-27

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