WO2019068388A1 - Laminoir multiflexible - Google Patents

Laminoir multiflexible Download PDF

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Publication number
WO2019068388A1
WO2019068388A1 PCT/EP2018/072469 EP2018072469W WO2019068388A1 WO 2019068388 A1 WO2019068388 A1 WO 2019068388A1 EP 2018072469 W EP2018072469 W EP 2018072469W WO 2019068388 A1 WO2019068388 A1 WO 2019068388A1
Authority
WO
WIPO (PCT)
Prior art keywords
pickling
rolling
cold rolling
area
strip
Prior art date
Application number
PCT/EP2018/072469
Other languages
German (de)
English (en)
Inventor
Wolfgang Denker
Kerstin SPILL
Arnulf Wurm
Original Assignee
Sms Group 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 Sms Group Gmbh filed Critical Sms Group Gmbh
Priority to JP2020517193A priority Critical patent/JP7029524B2/ja
Priority to EP18758592.2A priority patent/EP3691803B1/fr
Priority to CN201880064603.4A priority patent/CN111182978B/zh
Publication of WO2019068388A1 publication Critical patent/WO2019068388A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/28—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/36—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by cold-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0085—Joining ends of material to continuous strip, bar or sheet

Definitions

  • the invention relates to a plant for pickling and / or cold-rolling metal strips and to a system for pickling and / or cold-rolling strip metal.
  • Coupled pickling tandem mills (known for example as Pickling Line and Tandem Cold Mill, PLTCM) an endlessly welded metal strip is first pickled, then cold rolled in a multistage tandem mill, and then separated and wound in the desired bundle size.
  • PLTCM Pickling Line and Tandem Cold Mill
  • EP 3 006 122 A1 discloses a coupling of an endless pickling line with a reversing rolling mill.
  • pickled metal strips are used to produce large bundles with a bundle weight of 100 to 300 tons, each cut off by a subsequent strip.
  • smaller bundles are produced and transported away from a large bundle produced in the first cold rolling pass.
  • pickled strip is stored in a memory adjoining the pickling device. Tape from the store is then joined before a next roll pass to a residual tail remaining in the rolling mill from a leading mill, to produce a next rolled billet.
  • the band Due to the separation of the large bundles of the following band, the band can not be rolled endlessly in a system according to EP 3 006 122 A1, but is first decoupled to be subsequently reconnected. Furthermore, no production of pickled, non-rolled strips is provided in EP 3 006 122 A1. Finally, according to EP 3,006,122 A1, no delivery of strip material from the reel to which the strip is connected to the large bundle is provided being rolled up. On the contrary, a reversing rolling operation must be performed to finish the strip from the rolling mill.
  • EP 2 516 076 B1 discloses an endless pickling line which is coupled to a reversing rolling mill. To reduce the noted hereinn the strip is subjected to a pickling step a first rolling, wherein the rolled strip length is greater than the targeted band length of the finished collar. By means of a reversing rolling process, excess strip is first fed back into a strip store before the subsequently rolled strip is brought to the desired bundle size with a suitable separating cut.
  • the strip is not endlessly rolled, but decoupled for a Reversierwalz compassion. Also, according to EP 2 516 076 B1, it is not intended to discontinue bundles after pickling.
  • JPS5564906 discloses a single-pass temper mill, which can optionally dress pre-pickled tapes, or coupled with a pickle, can produce pickled and dressed strip in continuous operation.
  • the production direction of the stain is opposite to that of the skin pass mill. It has proved to be disadvantageous here that a portion of a strip whose length corresponds to the length of the pickling tank remains in the pickling tank and is thereby over-stroked, as long as a skin-pass is carried out in a non-continuous batch operation. Production of larger bundles is not provided according to JPS5564906.
  • JPS5564906 also discloses no reversing and no pickling without rolling / tempering.
  • EP 1 148 956 B1 discloses a system for flexible and economical pickling and cold rolling of metal strips.
  • the plant according to EP 1 148 956 B1 has a Schubbeize, with which a band of defined length is pickled, which is either served, or immediately further rolled. Alternatively, pre-tempered bands of the rolling system can be served via the central reel assembly. Due to the configuration of a Schubbeize an endless production is not possible, as always bundles of a defined strip length are made in one piece. The production of bundles with more than one standard bundle size (jumbo coils) is also not planned.
  • the present invention provides a plant for endless pickling and / or cold rolling of metal strips.
  • the system according to the invention it is possible with the system according to the invention to process on one and the same system metal bands exclusively with an endless pickling (Durchlaufbeizrea), to process metal strips exclusively with a cold rolling process, and to process metal strips both with an endless pickling process and with a cold rolling process coupled thereto ,
  • the equipment according to the invention has a pickling area for endless pickling of a metal strip and a cold rolling area for rolling a metal strip (the same or another).
  • the pickling area has at least one unwinding device for unrolling metal strips to be picked. Suitable metal bands are preferably metal bands that can roll the unwinding device from a corresponding coil or collar.
  • the pickling area further comprises at least one welding device for connecting metal strips unrolled by the unwinding device to a continuous metal strip to be picked, and a pickling device for pickling the endless metal strip.
  • the pickling region further comprises at least one retractor, which for rolling up a metal strip (eg at least one Part of the endless metal belt, if the equipment operates in a decoupled operation described below).
  • the cold rolling area has at least a pair of work rolls for rolling a metal strip to be rolled and a reeling device for winding the rolled metal strip.
  • the retractor of the cold rolling section is connected downstream of the at least one pair of rollers in the production direction and can be set up for rolling up metal strips into standard coils or large coils (jumbo coils).
  • the installation has strip guiding elements which are arranged and arranged such that in a coupled operation the pickling area and the cold rolling area are coupled with respect to a guide of a metal strip such that an endless metal strip pickled in the pickling area can be fed to the cold rolling area for rolling.
  • Bandleitiata components of the system for example, are suitable and arranged to transport a metal strip and / or to control its transport direction.
  • suitable strip guide elements include guide tables for guiding and transporting metal strips and strip switches which are suitable for changing a guide direction of a metal strip.
  • the strip guide elements are further arranged and arranged such that in a decoupled operation, the pickling area and the cold rolling area are completely decoupled with regard to guiding a metal strip.
  • a metal strip is not transported from the pickling area to the cold rolling area, and no plant components are simultaneously operated from both the pickling area and the cold rolling area.
  • a suitable band switch may be provided which controls a transport direction of the metal strip in a suitable manner.
  • the strip guide elements are arranged in decoupled operation so that at least part of a pickled in the pickling area endless metal strip of the retractor of the pickling area can be supplied for rolling up.
  • the strip guide elements a band switch in the pickling area, which is set up to feed in the decoupled operation in the pickling area pickled endless metal band of the pick-up area for rolling up.
  • the tape guide is thus suitable to connect or separate two structurally independent areas.
  • the cold rolling section further comprises a rolling device for rolling a metal strip to be rolled, and strip guiding elements arranged such that in the decoupled operation, a metal strip to be rolled can be fed from the rolling device of the cold rolling section to the pair of work rolls for rolling. In this way, in decoupled operation, cold rolling without preceding pickling is additionally possible, which further increases the flexibility of the system.
  • the pickling region has at least one strip store which is set up to at least partially store a metal strip connected to the welding device to form an endless strip.
  • a strip accumulator which is arranged between the welding device and the pickling device, can be used to compensate for differences between a speed of the metal strip leaving the welding system and a speed at which a metal strip can pass through the pickling device.
  • a band storage located behind the pickling apparatus and, for example, in front of the pickling area rewinder, can be used to roll pickled metal strip stored in strip memory at a faster rate than metal strip leaves the pickling apparatus.
  • the at least one tape storage thus contributes to the flexibility of the system and favors in particular the use of endless metal belts.
  • the system further comprises a transition region between the pickling region and the cold rolling region.
  • the transition region transport means, for example suitable Lithuanian, for transporting a pickled in the pickling endless metal strip for rolling in the cold rolling area.
  • the transition region further comprises a welding device configured to connect, when switching to coupled operation, a header of the pickled endless metal strip with a coupling tape piece.
  • the coupling tape piece may be placed, for example, in the transition area to suitably bring into the cold rolling area, and in particular between the pair of work rolls, an endless belt having passed the pickling area when switching to the coupled operation of the plant.
  • the coupling tape can be passed with the attached tape head / head between the rollers of the at least one pair of rollers.
  • the nip between the pair of work rolls may be set at the target thickness or may have a larger gap. After passing the coupling tape, it can be closed directly. In both cases, the actual endless belt to be rolled is rolled without appreciable dimensioning lengths.
  • the cold rolling section is adapted to allow both continuous rolling operation and batch rolling operation rolling operation.
  • the cold rolling section is adapted to enable both one-way rolling operation and reversing rolling operation.
  • the cold rolling area may have suitable tape transport and routing means, in particular for these operations, as well as a correspondingly configured control unit for corresponding manual and / or automated operation.
  • the cold rolling section is arranged to enable both a reduction rolling operation and a temper rolling operation.
  • suitable roller sets are provided with a suitable roll roughness.
  • Other measures, such as the uncoupling of sets of rolls From the drive, a reduction of the contact force, etc., are preferably also provided.
  • the plant can thus be set up to simultaneously enable the following operating modes: a) both endless pickling without cold rolling / cold rolling without preceding pickling (decoupling of pickling device and cold rolling device) on the one hand, and endless pickling with immediately following rolling ( coupled operation) on the other hand; b) both endless rolls on the one hand, and batch or semi-endless cold rolling on the other hand (different production modes of the cold rolling section); c) both disposable rollers on the one hand, and reversing rollers on the other hand (different production direction modes of the cold rolling); d) both reduction rolls on the one hand, and temper rolling on the other hand (different rolling deformation within the cold rolling range); e) establishments both with normal individual bundles (standard coils) on the one hand, and companies with multiple bundles / large bundles on the other hand.
  • the system allows at least three of the modes a) to e).
  • all operating modes a) to e) can be realized by a single system, it has proved advantageous to limit the system to a change between three of the five operating modes mentioned. It has been found that a combination of three of the modes a) to e) allows a desirable flexible system, but the system then at the same time suitable for the practice, and also from a production point of view and in terms of federal logistics is advantageous.
  • the plant preferably the cold rolling area with its own associated unwinding device and reeling device
  • the plant is designed to produce multiple bundles of a bundle size of three standard coils (about 30-35 to, up to 25 kg / mm spec. Weight), so in total of about 100 to edit. It has been found that such a required stability is achieved, with a constriction during winding remains within acceptable tolerances.
  • the present invention further provides a process for pickling and / or cold rolling metal strips on a plant as described in the foregoing.
  • the method initially has an adjustment of the strip guide elements, so that the system can operate in the coupled mode.
  • a strip switch connected upstream of the cold rolling zone in the direction of production can be adjusted such that an endless metal strip can be fed to the cold rolling zone after pickling from the pickling zone via the band switch.
  • the step of adjusting the strip guiding elements may be performed at any appropriate time during the process.
  • the method further comprises a step of feeding an endless metal belt to the pickling device of the pickling section and a step of picking the endless metal belt with the pickling device.
  • the method comprises a step of transporting the pickled endless metal strip into the cold rolling area.
  • the method comprises a step of rolling the pickled endless metal strip with the at least one pair of work rolls.
  • the method comprises a step of reeling up the pickled and rolled endless metal strip with the reeling device of the cold rolling section.
  • the rolled endless belt is rolled up, for example, so that sections of the endless belt are rolled up, for example, to standard coils or large coils, which are then separated from the remaining endless belt and transported away individually.
  • the cold rolling area further comprises a separating device, for example a pair of scissors, which is arranged downstream of the at least one pair of work rolls in the production direction.
  • the method comprises a step of connecting a head piece of the pickled endless metal strip to the coupling tape piece in the transition region.
  • the method further includes a step of guiding of the coupling tape piece through the at least one pair of work rolls.
  • these are preferably not necessarily spaced apart so that the coupling tape is not rolled, that is, subjected to a corresponding force is.
  • the method further includes a step of severing the coupling tape piece with the severing device from the endless metal belt after the coupling tape piece has been passed through the at least one pair of work rolls.
  • the method preferably further comprises a step of positioning a rolling distance of the at least one pair of rollers so that the endless belt following the coupling is rolled to a target thickness.
  • the method further comprises adjusting the strip guide elements, so that the system can operate in the decoupled operation.
  • a strip turntable upstream of the cold rolling section in the direction of production can be adjusted such that an endless metal strip can not be fed to the cold rolling section after pickling from the pickling section via the band switch, but instead can be fed to the pickling section of the pickling section.
  • the step of adjusting the ribbon guide members may be performed at any appropriate time during the process to couple or decouple the structurally distinct portions of the stain and the cold rolling mill.
  • the method further comprises feeding a continuous metal belt to the pickling device of the pickling section, pickling the endless metal belt with the pickling device, and rolling at least a portion of pickled endless metal belt with the pickling section retractor.
  • the pickled endless belt for example, partially rolled so that sections of the endless belt are rolled up, for example, to standard coils or large coils, which are then separated from the remaining endless belt and transported individually.
  • the pickling region preferably has a suitable separating device, for example a pair of scissors, which is connected downstream of the pickling device in the production direction and upstream of the reeling device of the pickling region.
  • the method comprises placing the coupling belt section in the transition area. This advantageously makes it possible for the coupling belt to be directly available again after a decoupled pure pickling operation for a coupled pickling / rolling operation, and for example, it does not have to be temporarily stored.
  • the plant can be between the two ends.
  • the plant can be between the two ends.
  • Figure 1 is a schematic side view of a plant for endless pickling and / or cold rolling of metal strips
  • Figure 2 is a schematic plan view of a plant for endless pickling and / or cold rolling of metal strips.
  • the equipment is divided into a pickling region A, a cold rolling region B, and a transition region C located between the pickling region A and the cold rolling region B.
  • the following description focuses on essential components of the plant. For the sake of clarity, a description of possibly provided tables, pulleys, Bridle, drive rollers, media systems, transport vehicles, etc. is dispensed with.
  • the plant comprises an unwinding unit (unwinding device) 1, for example for standard coils or standard bundles (for example, about 30 to bundle weight).
  • the unwinding unit 1 can also be designed for large bundles or jumbo coils (for example, up to about 100 tons bundle weight), which allows the system greater flexibility in this regard.
  • the plant further comprises a welding machine (welding apparatus) 2 for connecting single belts unwound from the unwinding unit 1 to an endless belt.
  • the system further comprises a strip store 3, a pickling device 4, a further strip store 5, a separating device (for example a pair of scissors) 6, and a take-up unit (reeling device) 7 and a strip guiding element in the form of a band switch 8.
  • the winding unit 7 may alternatively comprise one or two reels, or may also be provided as a turning reel.
  • the take-up unit 7 can be designed to produce standard coils, allowing for easy doffing and avoiding external separation of large coils.
  • the band switch 8 is an example of a band guide, which can be provided to supply a pickled endless belt to the take-up unit 7 in a decoupled operation of the system, if no subsequent cold rolling operation is provided.
  • the band switch is used for coupling / decoupling the structurally independent areas of the pickling and the cold rolling mill.
  • a bundle or coil rolled up by the take-up unit 7 can be transported away from there in a suitable manner.
  • the system according to the invention thus makes it possible, in decoupled operation, to produce endlessly etched non-rolled metal strip. In this operation, the pickling area A and the cold rolling area B are decoupled.
  • a roll change is or can be carried out.
  • a further strip accumulator 9 is provided, which may preferably be arranged between the separating device 6 and the take-up unit 7, or the strip accumulator 5 is designed to be correspondingly larger.
  • suitable strip guiding elements are provided so that a pickled endless belt e.g. can be transported from the pickling area A in the cold rolling area B via suitable guide tables. Also, in the transition region C suitable tape transport devices may be provided.
  • Cold rolling range B comprises an unwinding unit (unwinding device) 10, for example for standard coils or large bundles, and a rolling device comprising one or more rolling stands 11.
  • the rolling stands 1 1 each have at least one pair of work rolls 1 1 a, 1 1 b, which perform the forming work, or the tempering work.
  • a further separating device 12 eg in the form of a pair of scissors 12
  • a take-up unit (reeling device) 13 are provided in the outlet of the cold rolling region B.
  • the take-up unit 13 can also be designed for standard coils or large bundles, so that the system can preferably be designed both for operation with standard coils as well as for operation with large bundles.
  • a single plant can enable both farms.
  • the supply and delivery of the league can be done in several ways, which are described below.
  • the system By providing the standalone unwinding unit 10, it is possible that the system also has pre-leased bundles, e.g. can be served by other systems to (cold) roll them with the system shown. In a consistent one-way operation of the system, it is also possible that even with the system shown once rolled coils again the unwinding unit 10 can be fed to be rolled again (back-to-back rollers).
  • the cold rolling range B can also be designed as a reversing system.
  • a first rolling pass may then be carried out in an endless mode, and a subsequent rolling pass may then be a reversing operation in a batch or semi-endless mode.
  • the rolling device 1 1 consists of a maximum of two stands, since in three or more stands the Reversierwalzvorgang in terms of technical control, the usual stitch sequences, as well as the Mother (2014)lyn can bring about undesirable effects.
  • band memory 5 is increased or another band memory 9 is provided.
  • the reversing process means a decoupling of the area of the cold rolling mill B from the pickling area A.
  • the band guide in the form of the band switch must be set so that the plant can work in coupled betheb.
  • the head piece of the new pickled and still to be rolled endless belt is welded to the coupling band placed in the transition region, in order to be subsequently rolled in the cold rolling mill.
  • a pallet transport system (14) instead of a conveyor system with cradles or walking beam conveyors.
  • Such a system is sketched in the cold rolling area B in FIG.
  • This pallet transport system (14) in region B is also advantageous if the system is operated exclusively in one-way operation (for example, only in the direction of production indicated in the figure), since it is a comfortable circulation system for the back-to-back operation described above. Rolling allows.
  • the pallet transport system can also be used equally in a reversing operation, it has proven to be particularly suitable for the system, which can thus be operated flexibly in a one-way operation and a reversing operation.
  • the use of corresponding sleeves is preferably provided. This serves to increase security. For reasons of clarity, this is not shown in the figures.
  • the bundle logistics can alternatively take place, for example, via coil trucks 15.
  • Such a bundle logistics is sketched in FIG. 2 by way of example in the pickling area A on the basis of bundle transport 15a and 15b.
  • individual bundles / standard coils are transported on a coil conveyor 15a to the unwinding unit 1, or transported away from the reeling unit 7 (with bundle lift truck 15b).
  • a transition region C is arranged between the pickling region A and the cold rolling region B in the illustrated installation.
  • a transition region C can be provided, in particular, if the plant shown is provided as a modernization of an existing plant or force the structural conditions greater distances.
  • the transition device C bridges a greater spatial distance (for example more than 20 m) between the pickling area A and the cold rolling area B. If the plant is operated in coupled operation, a pickled strip can be passed without further steps through the transition area C in the cold rolling area B to be formed there.
  • the transition range can be used as follows. As shown in FIG. 1, a welding machine 20 is arranged in the transition region C. A coupling tape piece 21, which corresponds approximately to the length of the transition region C, may be placed in this area. The welding machine 20 can then be used to connect an end of the coupling belt 21 facing the pickling area A to a head (or beginning of belt) of a pickled endless metal belt guided from the pickling area A into the transition area C. The coupling tape with the attached tape beginning is then passed through the rolling stands 1 1 (between the rollers of the roller pairs 1 1 a, 1 1 b).
  • the coupling belt 21 may, for example, be wound onto take-up unit 13 and, upon passing through a separator 12 (for example, a pair of scissors 12), be separated from the subsequent endless metal belt to be separately conveyed out. Subsequently, the actual rolling is rolled to target thickness and wound up with take-up unit 13.
  • a separator 12 for example, a pair of scissors 12
  • the winding unit 13 may consist of two reels, a reel or a reel and a Pup Coil reel simple design.
  • One of the reels or the Pup Coil reel can then be used to wrap the coupling tape during the (Main) reel is still available for winding the pickled and rolled endless metal belt (this solution is not shown in the figures).
  • the pupil coil with the coupling belt 21 can then be returned to the pickling area A for recycling.
  • the coupling belt can be fed to the pickling area A when a last belt passes the pickling device A in the coupled operating mode of the installation.
  • the coupling belt 21 may then be welded between the end of the last band of coupled operation rolled in the coupled mode of operation and a beginning of a subsequent first band of the decoupled mode of operation to be transported with these bands in the direction of production.
  • a separating device 6 is provided at the end of the pickling region A
  • a separating device 23 is provided at the beginning of the cold rolling region B in the vicinity of the unwinding unit 10 (functionally still belonging to the transition region C).
  • the coupling belt 21 can thus be cut out before and after the region C by means of the separating devices 6 and 23, for example by means of two shears, in order to remain in the region C until the next coupling.
  • the scissors 6 of the pickling section A can be used in decoupled operation to separate sections of pickled endless belt rolled up on the retractor 7 from the remaining endless belt so as to produce coils of pickled, unrolled metal strip.
  • the cold rolling range B can fulfill further rolling tasks in one-way / batch or reversing operation.
  • the cold rolling section B can switch between reducing operation and tempering operation.
  • appropriate roller sets are provided with a suitable roll roughness.
  • Other measures, such as a decoupling of roller sets from the drive, a reduction of the contact force, etc, can be provided constructively.
  • a DCR (Double Cold Reduction Mill) operation may be possible with a corresponding production sequence.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

L'invention concerne une installation de décapage sans fin et/ou de laminage à froid de bandes métalliques, comprenant une zone de décapage et une zone de laminage à froid, la zone de décapage comprenant un dispositif de déroulement, un dispositif de soudage, un dispositif de décapage et un dispositif d'enroulement. La zone de laminage à froid comprend au moins une paire de cylindres de travail destinés à laminer une bande métallique à laminer et un dispositif d'enroulement destiné à enrouler la bande métallique laminée. L'installation comprend des éléments de guidage de bande, qui sont agencés et conçus de sorte que, lors d'un fonctionnement avec accouplement, la zone de décapage et la zone de laminage à froid sont accouplées l'une à l'autre en ce qui concerne un guidage d'une bande métallique, de telle sorte qu'une bande métallique décapée dans la zone de décapage peut être amenée à la zone de laminage à froid pour être laminée, et qui sont agencés et conçus de sorte que, lors d'un fonctionnement avec découplage, la zone de décapage et la zone de laminage à froid sont découplées en ce qui concerne un guidage d'une bande métallique.
PCT/EP2018/072469 2017-10-06 2018-08-21 Laminoir multiflexible WO2019068388A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020517193A JP7029524B2 (ja) 2017-10-06 2018-08-21 マルチフレキシブル圧延設備
EP18758592.2A EP3691803B1 (fr) 2017-10-06 2018-08-21 Laminoir multiflexible
CN201880064603.4A CN111182978B (zh) 2017-10-06 2018-08-21 多用途轧制设备

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102017217766 2017-10-06
DE102017217766.7 2017-10-06
DE102018207026.1 2018-05-07
DE102018207026.1A DE102018207026A1 (de) 2017-10-06 2018-05-07 Multiflexible Walzanlage

Publications (1)

Publication Number Publication Date
WO2019068388A1 true WO2019068388A1 (fr) 2019-04-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/072469 WO2019068388A1 (fr) 2017-10-06 2018-08-21 Laminoir multiflexible

Country Status (5)

Country Link
EP (1) EP3691803B1 (fr)
JP (1) JP7029524B2 (fr)
CN (1) CN111182978B (fr)
DE (1) DE102018207026A1 (fr)
WO (1) WO2019068388A1 (fr)

Cited By (1)

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JP2020535018A (ja) 2020-12-03
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