EP2237902A1 - Procédé et dispositif de flexion pour la flexion progressive d'un ruban métallique dans la zone d'entrée d'un système d'enroulage de bande sans mandrin - Google Patents

Procédé et dispositif de flexion pour la flexion progressive d'un ruban métallique dans la zone d'entrée d'un système d'enroulage de bande sans mandrin

Info

Publication number
EP2237902A1
EP2237902A1 EP09708830A EP09708830A EP2237902A1 EP 2237902 A1 EP2237902 A1 EP 2237902A1 EP 09708830 A EP09708830 A EP 09708830A EP 09708830 A EP09708830 A EP 09708830A EP 2237902 A1 EP2237902 A1 EP 2237902A1
Authority
EP
European Patent Office
Prior art keywords
bending
metal strip
rollers
driven
speed
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
EP09708830A
Other languages
German (de)
English (en)
Other versions
EP2237902B1 (fr
Inventor
Robert Minichmayr
Alois Seilinger
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.)
SIEMENS VAI METALS Technologies GmbH
Original Assignee
Siemens VAI Metals Technologies GmbH and Co
Siemens VAI Metals Technologies GmbH Austria
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 Siemens VAI Metals Technologies GmbH and Co, Siemens VAI Metals Technologies GmbH Austria filed Critical Siemens VAI Metals Technologies GmbH and Co
Priority to PL09708830T priority Critical patent/PL2237902T3/pl
Publication of EP2237902A1 publication Critical patent/EP2237902A1/fr
Application granted granted Critical
Publication of EP2237902B1 publication Critical patent/EP2237902B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B21C47/08—Winding-up or coiling without making use of a reel or drum, the first turn being formed by a stationary guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/003—Regulation of tension or speed; Braking

Definitions

  • the invention relates to a method for the progressive bending of a metal strip, preferably a hot strip, in particular a hot rolled steel strip, in the inlet region of a thornless band reeling device, wherein the metal strip is guided and bent by rotationally driven bending rolls.
  • a bending device for the progressive bending of a metal strip in the inlet region of a thornless band reeling device with a plurality of rotationally driven bending rollers is proposed.
  • hot-rolled, windable metal strip is wound up into a bundle after emerging from a rolling stand or after leaving the last rolling stand of a rolling train in a band reeling device.
  • This winding process can be done either with the involvement of a reel dome or thornless.
  • thornless winding of the metal strip in a band coiler coil box
  • the bending device comprises two above a Band carefullyweges arranged driven bending rollers and arranged below the Band properlyweges adjustable and driven bending roller, which is located in the strip running direction of the metal strip at a distance between the two above arranged bending rollers.
  • the adjustable bending roller With the adjustable bending roller the bending radius of the set to be added metal band, with changing tape thicknesses can be considered.
  • the driven upper bending rollers a common drive unit with a transfer case and the lower bending roller associated with a single drive. Since the metal strip has different radii of curvature during its transport through the bending device at the respective contact lines with the bending rollers, local slip occurs between the bending roller and the metal strip, which leads to surface damage (scoring) on the metal strip.
  • the object of the present invention is therefore to avoid the disadvantages of the known prior art and to propose a method and a bending device in which slippage between the metal strip and the Anbiegerollen and resulting surface damage to the metal strip are largely avoided.
  • the object is achieved in that the peripheral speed of all driven bending rollers is set at the respective contact line with the metal strip surface on the surface velocity of the metal strip at the contact line.
  • the tape passage path of the metal strip between the bending rollers is determined not only by the position of the bending rollers to each other, but also by feed conditions resulting from the last roll stand or Zuzhourollgang, and by drain conditions or by repercussions from the Bund Struktur, such as the current Collar diameter, significantly influenced.
  • These complex relationships require an individual control of the driven bending rollers in order to be able to set optimal conditions for the respective operating state. This is ensured by adjusting the peripheral speed of each driven bending roller in the bending device to the surface speed of the metal strip at the respective contact line.
  • the surface velocity of the metal strip is determined at the contact line with the bending roller in dependence on the instantaneous positions of the bending rollers involved in the bending process and state variables of the metal strip in a mathematical model and in dependence of which the peripheral speed or the rotational speed of each driven bending roller is adjusted.
  • the mathematical model comprises a calculation rule for determining the strains and compressions occurring at the contact line of driven bending rollers and metal strip surface and / or the resulting radius of curvature of the metal strip and depending on the calculated values, the peripheral speed or the rotational speed of each driven bending roller is determined and set ,
  • the metal strip thickness, the metal strip temperature and the quality of the metal strip are incorporated into the mathematical model as default values or as measured values.
  • the inlet and outlet angle of the metal strip in or out of the bending device is of great importance. Especially the outlet angle from the Bending device is significantly influenced by the current collar diameter and changes the tape passage behavior in the bending device.
  • the instantaneous drive torque or a correlating size of one or more driven bending rollers continuously measured and at a drop in the drive torque or falls below a target torque the speed of the rotary drives (drive motors) or the bending rollers or the peripheral speed of the bending rollers in the sense of optimizing the drive torque distribution is changed or regulated.
  • alarm signals can be generated, which allow further manual intervention.
  • each driven bending roller is connected to an independently controllable rotary drive and all rotary actuators a common Control device is assigned for setting individual peripheral speeds or speeds for each bending roller.
  • control device comprises a computing unit with at least one mathematical model for determining the rotational speed or the peripheral speed of each driven bending roller relative to the respective contact line with the metal strip surface.
  • the mathematical model is based on the principles of strength theory and takes into account the material behavior of the metal strip in the elastic and plastic range.
  • the bending device comprises at least three driven, independently controllable bending rollers.
  • the control of the bending rollers here refers exclusively to the rotary drive of the bending rollers.
  • Each rotary drive a bending roller are associated with measuring devices for detecting the rotational speed of the rotary drive or the bending roller and the drive torque or a correlating size of the rotary drive, and a controller for controlling the speed of the bending roller.
  • the detection of the current drive torque can be done for example by a power consumption measurement with a power consumption meter.
  • At least one of the driven bending rollers is supported in bearing blocks for axially parallel displacement of the bending roller, wherein the bearing blocks are connected to an adjustment and the adjusting device comprises an actuator and a position transmitter and this actuator is operatively connected to the control device.
  • the bearing blocks are assigned guides. These guides can equally be arranged on special guide blocks that do not simultaneously form the bearing blocks.
  • two upper driven bending rollers are supported in bearing blocks for axially parallel displacement of the bending rollers.
  • the two upper bending rollers can be positioned so that the continuous metal strip downstream impose a predetermined curvature becomes.
  • the adjusting blocks associated with the bearing blocks can be controlled independently of one another.
  • the two upper, driven bending rollers are supported and guided in a common support frame.
  • Fig. 2 shows the progressively curved band pass of the metal strip by the bending device according to the invention.
  • FIG. 1 shows a schematic representation of the basic arrangement of a bending device 1 in the inlet region 2 of a thornless band reeling device 3, which adjoins a rolling stand 4 or a last rolling stand 4 of a rolling train.
  • a rollable in the roll stand 4 wound metal strip 5 is fed via a roller table 6 and arbitrarily ausgestaltenen guiding devices 7 of the bending device 1 and bent during the passage through the bending device 1 and provided with a curvature, after the entry of the metal strip in the thornless band reeling device 3, the winding the metal band to a compact wound collar 8 allows.
  • the collar 8 is indicated by a dashed line with a small diameter in an intermediate position of the winding process and with dotted line with its maximum diameter.
  • the wound collar is supported during the winding process on two rotatable support rollers 10.
  • the bending device 1 comprises three rotationally driven bending rollers 11, 12, 13, of which two bending rollers are arranged above and one bending roller below a band passageway 14. Thus, a three-point bend of the implemented by passing metal strip.
  • Each bending roller 11, 12, 13 is associated with a rotary drive 15, 16, 17 formed by an electric motor, wherein the rotary drives can be controlled independently of one another as required.
  • the rotary actuators are connected to a control device 18 common to all rotary drives via signal lines for transmitting actual values of the rotary drives to the control device and manipulated variables from the control device to the rotary drives.
  • the bending rollers 11, 12, 13 are rotatably mounted in bearing blocks 19, 20, 21, which in turn are supported in a housing, not shown, of the bending device.
  • At least one, in the illustrated embodiment, two of these bearing blocks 19, 20 are slidably supported on guides 22 for axially parallel displacement of the bending rollers 11, 12 and connected to an adjusting device 23 for implementing changes in position of the bending rollers 11, 12.
  • the adjusting devices 23 each comprise an actuator 24 formed by a pressure medium cylinder, to which a position transmitter 25 is assigned. From the position sensor, the respective actual position of the bending roller can be transmitted to the control device 18 and manipulated variables are switched to the actuator 24. With the controlled positioning of the bending rollers 11, 12 relative to the further bending roller 13, the curvature of the metal strip can be specified at the output from the bending device as a function of various influencing variables.
  • the invention is in no way limited to the positioning of the upper bending rollers 11, 12 relative to the further bending roller 13.
  • the adjustment of the bending rollers relative to one another can take place more or less equally by the displacement of one or more bending rolls forming the bending device.
  • the employment can take place here with different structural solutions, for example linear, as shown in Figure 1, or with a lever or a lever system.
  • FIG. 2 illustrates the strip pass of the progressively curved metal strip through the bending device along the strip passage 14.
  • the rolled metal strip leaves the rolling stand at the belt transport speed v and at this speed passes through the bending device and enters the belt reel device at this speed.
  • the tape transport speed v refers to the neutral fiber of the Metal strip.
  • each bending roller 11, 12, 13 is in contact with the strip surface of the passed-through metal strip along a contact line BLn, BL 12 , BL 13 , which in FIG. 2 is normal to the image plane.
  • the metal strip has instantaneous surface velocities V 11 , V 12 , V 13 , which at different radii of curvature, each consisting of the normal distance of the instantaneous center MP 11 , MP 12 , MP 13 from the associated contact line BL 11 , BL 12 , BL 13 represent different sizes.
  • a largely slip-free transmission of a drive torque from the driven bending roller on the metal strip is only possible if the surface velocity of the metal strip at the contact line of the bending roller with the metal strip surface of the peripheral speed of the bending roller or taking into account the roller diameter of the rotational speed nn, n 12 , n 13 of driven bending roller corresponds.
  • all bending rollers of the bending device are driven rollers. It is well within the scope of the invention, if one or more of the bending rollers form only with the metal belt follower rollers, however, make a contribution to the bending of the metal strip.
  • the control device 18 comprises a computing unit 26 (process computer) in which at least one mathematical model for calculating strains and compressions on the belt surface, or the instantaneous surface speed V 11 , V 12 , V 13 on the contact lines BL 11 , BL 12 , BL 13 the bending rollers is deposited with the metal strip surface. Based on predefined or measured input variables, such as bandwidth, strip thickness, steel quality, inlet temperature, desired bending radius and fixed bending roll positions, according to the principles of strength doctrine including the plastic behavior of the metal strip Strains and compressions on the strip surface, or values of the instantaneous surface speed at the contact lines of the bending rolls with the metal strip surface are calculated.
  • predefined or measured input variables such as bandwidth, strip thickness, steel quality, inlet temperature, desired bending radius and fixed bending roll positions, according to the principles of strength doctrine including the plastic behavior of the metal strip Strains and compressions on the strip surface, or values of the instantaneous surface speed at the contact lines of the bending rolls with the metal strip surface are
  • inlet and outlet conditions can be defined and taken into account, for example, resulting from the tape length in the inlet side belt run or by transport-related forces or occur on the outlet side by the continuously increasing collar diameter.
  • the rotary actuators are assigned an anti-slip regulation.
  • the rotational speeds of the individual bending rollers or the rotary drives and the current consumption values of the rotary actuators are continuously detected and fed to regulators for speed control.
  • Target rotational speeds of the individual bending rollers which are matched to the expected surface speed can be specified as empirical values or calculated by the mathematical model. Sudden changes in the current consumption of individual bending rollers are a criterion for the occurrence of slip and trigger the regulation. This can be done for example by voltage correction signals.
  • Vn, V 12 , V 13 instantaneous surface velocity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

L'invention concerne un procédé et un dispositif de flexion pour la flexion progressive de ruban métallique dans la zone d'admission d'un système d'enroulage (3) sans mandrin. Pour éviter le glissement entre le ruban métallique (5) et les cylindres de flexion en mouvement (11, 12, 13), et les dommages résultants sur la surface du ruban métallique, la vitesse périphérique de tous les cylindres de flexion (11, 12, 13) en mouvement est adaptée à la vitesse superficielle (V11, V12, V13) du ruban métallique (5) au niveau de leur ligne de contact (BL11, BL12, BL13) respective avec la surface du ruban métallique.
EP09708830A 2008-02-08 2009-01-16 Procédé et dispositif de flexion pour la flexion progressive d'un ruban métallique dans la zone d'entrée d'un système d'enroulage de bande sans mandrin Active EP2237902B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09708830T PL2237902T3 (pl) 2008-02-08 2009-01-16 Sposób i urządzenie gnące do progresywnego naginania taśmy metalowej w obszarze wlotowym beztrzpieniowego urządzenia zwijającego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0020708A AT506331B1 (de) 2008-02-08 2008-02-08 Verfahren und biegeeinrichtung zum progressiven anbiegen eines metallbandes im einlaufbereich einer dornlosen bandhaspeleinrichtung
PCT/EP2009/000267 WO2009097957A1 (fr) 2008-02-08 2009-01-16 Procédé et dispositif de flexion pour la flexion progressive d'un ruban métallique dans la zone d'entrée d'un système d'enroulage de bande sans mandrin

Publications (2)

Publication Number Publication Date
EP2237902A1 true EP2237902A1 (fr) 2010-10-13
EP2237902B1 EP2237902B1 (fr) 2011-08-24

Family

ID=40638068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09708830A Active EP2237902B1 (fr) 2008-02-08 2009-01-16 Procédé et dispositif de flexion pour la flexion progressive d'un ruban métallique dans la zone d'entrée d'un système d'enroulage de bande sans mandrin

Country Status (7)

Country Link
EP (1) EP2237902B1 (fr)
CN (1) CN101970144B (fr)
AT (2) AT506331B1 (fr)
BR (1) BRPI0908819A2 (fr)
ES (1) ES2371909T3 (fr)
PL (1) PL2237902T3 (fr)
WO (1) WO2009097957A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103693476B (zh) * 2013-09-17 2015-12-23 西安麦特沃金液控技术有限公司 带材制品单排多层式收卷机
JP6298331B2 (ja) * 2014-03-20 2018-03-20 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 シュートロールを備えたコイラー装置
KR101960808B1 (ko) * 2014-12-10 2019-03-21 에스엠에스 그룹 게엠베하 금속 스트립 권취 장치
CN107138554A (zh) * 2017-06-29 2017-09-08 广东含元工业技术有限公司 一种金属板带材收卷机
CN108817170B (zh) * 2018-06-04 2020-03-17 成都浩益科技有限公司 一种金属卷材加工系统以及加工方法
DE102018209664A1 (de) 2018-06-15 2019-12-19 Sms Group Gmbh Verschleißreduzierung bei Coilboxrollen
CN110844651B (zh) * 2019-11-21 2021-02-09 泰州市赛鸥网业有限公司 一种用于织网机的自动卷曲装置
CN112705595A (zh) * 2020-12-25 2021-04-27 中冶南方工程技术有限公司 捆带收集装置及方法

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Publication number Priority date Publication date Assignee Title
US2877821A (en) * 1954-08-04 1959-03-17 Bliss E W Co Upcoiler with rolls independently driven at surface speed of material being coiled
US3645120A (en) * 1970-02-19 1972-02-29 Gulf & Western Ind Prod Co Coiling apparatus
JPS54148162A (en) * 1978-05-12 1979-11-20 Hitachi Ltd Belt plate winder
JPS62279021A (ja) * 1986-05-27 1987-12-03 Kawasaki Steel Corp シ−トバ−の巻取り方法

Non-Patent Citations (1)

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Title
See references of WO2009097957A1 *

Also Published As

Publication number Publication date
BRPI0908819A2 (pt) 2015-07-28
AT506331B1 (de) 2010-03-15
PL2237902T3 (pl) 2012-01-31
WO2009097957A1 (fr) 2009-08-13
CN101970144B (zh) 2013-02-06
ATE521428T1 (de) 2011-09-15
ES2371909T3 (es) 2012-01-11
AT506331A1 (de) 2009-08-15
CN101970144A (zh) 2011-02-09
EP2237902B1 (fr) 2011-08-24

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