WO2013156332A1 - Procédé de fabrication d'une bande - Google Patents

Procédé de fabrication d'une bande Download PDF

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Publication number
WO2013156332A1
WO2013156332A1 PCT/EP2013/057297 EP2013057297W WO2013156332A1 WO 2013156332 A1 WO2013156332 A1 WO 2013156332A1 EP 2013057297 W EP2013057297 W EP 2013057297W WO 2013156332 A1 WO2013156332 A1 WO 2013156332A1
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WO
WIPO (PCT)
Prior art keywords
rolling
profiling
strip
stock
conveying direction
Prior art date
Application number
PCT/EP2013/057297
Other languages
German (de)
English (en)
Inventor
Karl Mayrhofer
Gerhard Finstermann
Guoxin Shan
Josef Watzinger
Original Assignee
Siemens Vai Metals Technologies 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 Siemens Vai Metals Technologies Gmbh filed Critical Siemens Vai Metals Technologies Gmbh
Publication of WO2013156332A1 publication Critical patent/WO2013156332A1/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
    • B21B1/02—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 heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
    • B21B1/026—Rolling
    • 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
    • B21B1/46—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 metal immediately subsequent to continuous casting
    • B21B1/466—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 metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling

Definitions

  • the present invention relates to a manufacturing method for a tape
  • the rolling stock is conveyed after the first rolling pass in a number of further rolling passes in a respective further rolling conveying direction in each case through a roll stand of the rolling mill and is thereby rolled successively to the strip,
  • the present invention further relates to a computer program comprising machine code which can be processed directly by a control computer for a production device for a belt and whose execution by the control computer causes the control computer to operate the production device according to such a production method.
  • the present invention further relates to a control computer for a production device for a band.
  • the present invention further relates to a production device for a belt,
  • the manufacturing device comprises a rolling mill, which in turn comprises at least one rolling stand for rolling a flat rolling stock
  • the manufacturing device comprises a profiling device
  • the manufacturing device comprises a rolling mill and the profiling controlling control computer.
  • the above objects are well known.
  • all customary hot and cold rolling methods for a metal strip are designed in this way.
  • the flat rolled stock is reduced in thickness and lends itself correspondingly thereto.
  • the width of the flat rolled material remains substantially constant.
  • the length of the rolled rolling stock, so the band, viewed over the width is not constant.
  • occurs in the middle of the rolled strip usually a slightly greater elongation than at the lateral ends.
  • the rolled strip therefore has on its head and on its band foot convex tongues of tongues, which arise as scrap.
  • the accumulated scrap amount can be up to about 0.4% of the rolling stock used.
  • the rolling stock passes through the rolling stand in a conveying direction which, relative to the rolling stock, extends transversely to the conveying direction during the subsequent longitudinal rolling.
  • the thickness profile can thus be impressed on the rolling stock by appropriately tracking the roll gap.
  • the thickness profile can be concave or convex.
  • the known from the above DE-Script procedure is only applicable to heavy plate, so if the flat rolling is relatively short, so that it can be first rolled transversely.
  • the known from the aforementioned DE-Scripture principle is not applicable.
  • the length of a slab (English: slab) is often about 10 m, sometimes it is even above 10 m. With such lengths only a longitudinal rolling is possible. A rotation of the rolling stock by 90 ° and subsequent rolling is not possible.
  • the object of the present invention is to provide possibilities by means of which, even with a flat rolling stock, in which the further rolling conveying directions, relative to the rolling stock, run parallel or antiparallel to the first rolling conveying direction, the band tongues are avoided or at least minimized can be significantly reduced.
  • the rolling stock has a defined concave thickness profile transversely to the first rolling conveying direction before the first rolling pass
  • the profiling conveying direction relative to the rolling stock, runs parallel or antiparallel to the first rolling conveying direction and the concave thickness profile to the rolling stock as a thickness profile transversely to the profiling conveying direction is impressed.
  • Slabs generally have a relatively large thickness, typically 100 mm and more, usually even more than 150 mm.
  • Vorband usually has a thickness between 20 mm and 80 mm.
  • Prefabricated strip usually has a thickness which is between 0.5 mm and a few mm, in extreme cases up to 10 mm.
  • the production process according to the invention should, if possible, avoid the occurrence of scrap on the tape head and on the belt foot.
  • the concave thickness profile is therefore preferably determined such that the band has neither a convex band tongue at its band head nor at its band foot.
  • a convex tongue it is possible for a convex tongue to remain or for ligaments to remain, but for the remaining ligaments to be significantly smaller than in a conventional manufacturing method of the prior art ,
  • the profiling device is formed as part of a continuous casting device.
  • the casting mold itself may already have a corresponding concave cross section.
  • the corresponding profiling can take place in one or more roller segments of the casting device.
  • the profiling device is designed as a rolling device.
  • the rolling device can, for example, in the case that the concave thickness profile impressed the still hot flat flat rolling is, in front of the flame cutting machine (English: torch cutting machine) of the casting device may be arranged.
  • it may be a rolling mill directly upstream rolling device. It is even possible to use the rolling stand (in the case of several rolling stands, the first rolling stand) of the rolling mill as a profiler.
  • the profiling device is designed as an uncontrolled device with respect to the concave thickness profile.
  • the profiling device is designed as a controllable with respect to the concave thickness profile device. Because in this case it is possible that based on output data of the rolling stock and stitch plan data of the strip in conjunction with geometric data of the rolling mill on the basis of a rolling model a Sollkonkavtician is determined and the
  • Profiling device is set such that a deviation of the concave thickness profile is minimized by the Sollkonkavtician. As a result, in particular the accumulated scrap amount can be minimized according to plan.
  • the controllability of the concave thickness profile has significant advantages.
  • a corresponding model error can be classified according to material properties and pass schedule and assigned to the corresponding type of rolling stock. This allows the Adjustment of the concave thickness profile in the sense of a manual or online adaptation of flat rolling stock to flat rolling stock to be further improved.
  • Other approaches are possible.
  • the object of the invention is further achieved by a computer program of the type mentioned.
  • the computer program is designed in this case such that the
  • Control computer operates the manufacturing device according to a manufacturing method according to the invention.
  • control computer for a production device for a belt which is designed such that it operates the production device according to a manufacturing method according to the invention.
  • control computer is designed according to the invention and operates the production device according to a manufacturing method according to the invention.
  • FIG. 1 shows a production device for a belt
  • FIG. 2 shows a rolling stock in cross-section
  • FIGS. 19 and 20 are flowcharts and
  • roller stock is always used for the precursor before the rolling of the rolling stock and during the rolling of the rolling stock, the term “strip” for the end product resulting from the rolling.
  • a production device for a strip 1 comprises a rolling mill 2.
  • the rolling mill 2 in turn comprises at least one rolling stand 3.
  • three roll stands 3 are present purely by way of example. If a plurality of roll stands 3 are present, however, there are generally four to eight rolling stands 3, usually five, six or seven rolling stands 3.
  • the rolling stands 3 of the rolling mill 2 have further rolls in addition to work rolls as shown in FIG. in particular back-up rolls (4-high) and possibly also intermediate rolls (6-high).
  • a flat rolling stock 4 is conveyed in a first rolling pass in a first rolling conveying direction x through a rolling stand 3 of the rolling mill 2 and in this case rolled.
  • the rolling stands 3 pass through the rolling stock 4 in succession.
  • Each rolling stand 3 carries out a respective rolling pass, so that the rolling stock 4 is rolled successively to the strip 1.
  • the rolling stock 4 passes through the rolling stand 3 executing the respective rolling pass in a respective rolling conveying direction, the respective rolling conveying direction coinciding with the direction of the first rolling pass, that is, the first rolling conveying direction x.
  • the further rolling conveying directions are thus parallel to the first rolling conveying direction x (non-reversing rolling).
  • the rolling mill 2 has only one single rolling stand 3 (or in individual cases two rolling stands 3), a reversing rolling usually takes place in the rolling mill 2.
  • the rolling stock 4 is therefore stopped after the first rolling pass, the conveying direction reversed, the rolling stock 4 again - this time against the first rolling conveyance x - promoted by the rolling stand 3 (or the two rolling stands 3), then again the rolling stock 4 stopped and the Conveying direction again reversed and so on until all necessary rolling passes are executed, the rolling stock 4 has thus been rolled successively to the belt 1.
  • the further rolling passes are likewise carried out after the first pass.
  • the rolling conveyance directions of the first, third, fifth, etc. roll passes are parallel to each other.
  • the manufacturing device further comprises - in addition to the rolling mill 2 - serving as a profiling rolling device 5.
  • the profiling is upstream of the rolling mill 2 as shown in FIG 1.
  • a defined concave thickness profile K impressed, ie a concave thickness profile K the course in the width direction of the rolling stock 4 is known in advance.
  • the impressing of the thickness profile K is in this case essentially connected to a material crossflow, with a material longitudinal flow not at all or only to a small extent.
  • the rolling stock 4 Due to the impressing of the concave thickness profile K, the rolling stock 4 has the corresponding concave thickness profile K before the first rolling pass, viewed transversely to the first rolling conveying direction x. 2 shows by way of example and greatly exaggerated a possible concave thickness profile K.
  • the rolling stock 4 runs according to FIG. 1 in a profiling conveying direction x 'from the profiling device.
  • the rolling stock 4 already has the concave thickness profile K at this point in time, that is, when leaving the profiling device.
  • the concave thickness profile K is thus already impressed on the flat rolling stock 4 in the profiling device as a thickness profile transverse to the profiling conveying direction x ', ie in the form of the thickness as a function of the location in the width direction of the flat rolling stock 4.
  • the profiling device according to the representation of FIG.
  • the profiling could alternatively (in the case of a reversing mill) with the roll stand 3 or (in the case of a multi-stand rolling train) to be identical to the first rolling stand 3 of the rolling mill 2.
  • the profiling device is furthermore designed as a rolling device 5. Again, this is not mandatory. This will be explained in more detail later in conjunction with further FIG.
  • the profiling device is designed as a rolling device 5, it usually executes two stitches.
  • the first of these two stitches serves as a calibration pass to compensate for any thickness inaccuracies of the incoming flat rolling stock 4.
  • the second of these two stitches is used to impress the desired concave thickness profile K.
  • the rolling device 5 can for this purpose according to the illustration of FIG 1 have two stands.
  • the manufacturing device furthermore has a control computer 6.
  • the control computer 6 controls (at least) the rolling mill 2 and the profiling device.
  • the control computer 6 is designed such that it operates the manufacturing device according to the above-explained procedure.
  • the control computer 6 may be designed for this purpose as a software programmable device which is programmed with a computer program 7.
  • the computer program 7 comprises machine code 8, which can be processed directly by the control computer 6.
  • the processing of the machine code 8 by the control computer 6 causes the corresponding operation of the manufacturing device by the control computer. 6
  • the computer program 7 can be supplied to the control computer 6 in any manner, for example via a connection to a computer network or via a mobile data carrier 9, on which the computer program 7 is stored in (exclusively) machine-readable form.
  • the mobile data carrier 9 is in FIG. 1 is shown as a USB memory stick. However, this illustration is only an example.
  • the rolled strip 1 Due to the rolling of the rolling stock 4 in the rolling mill 2, the rolled strip 1 has a considerably smaller thickness d (see also FIG. 3) than the rolling stock 4, which has a thickness D (see also FIG. 2). Correspondingly, the strip 1 according to FIG. 3 has a considerably greater length 1 than the rolling stock 4 whose length is designated L in FIG. The width b of the band 1, however, is equal to or at least approximately equal to the width B of the rolling stock. 4
  • Band foot 1 "of the band 1 band tongues 10 which extend substantially over the entire width b of the band 1 and extend substantially convex.
  • the (unwanted) band tongues 10 are indicated by dashed lines in Figure 3. Due to the concave thickness profile K, the band tongues However, with a suitable choice of the concave thickness profile K, the band tongues 10 can be avoided both on the band head 1 'and on the band foot 1 ". It is regarded as optimal according to current knowledge if small residual tongues 11 form in the corners of the band 1, see FIG. 4, or the band 1 has a slightly concave shape (indicated by broken lines in FIG. 4).
  • the extent of the concavity of the concave thickness profile K can be readily determined experimentally. In particular, it can be estimated on the basis of experience in a first approximation. If - purely by way of example - it is known that the flat rolling stock 4 is formed as a (tongueless) slab having a thickness D of 203 mm, a width B of 1280 mm and a length L of 11,900 mm and a band 1 a Vorband be rolled with a thickness d of 25 mm and a width b of 1280 mm, so form in a manufacturing method of the prior art in the Rule strip tongues 10 with a tongue length ⁇ 1 of about 220 mm.
  • the contour of the concave thickness profile K can be mathematically approximated as needed.
  • the contour can be set as a second order symmetric parabola or as a higher order symmetric parabola - especially fourth, sixth, etc. order.
  • an approach by a polygon is possible.
  • Other curves are also possible, such as trigonometric functions, exponential or logarithmic functions, Chebyshev polynomials and others.
  • the opening band is often referred to as pre-strip.
  • the rolling mill 2 is formed as a pure roughing. Most of the roughing road is here as a reversing mill with or without Upset frame formed.
  • the rolling mill 2 is designed in this case as a pure finishing line.
  • the finishing train is usually designed as a multi-stand rolling train, in which the individual rolling stands 3 are traversed by the flat rolling stock 4 successively and always in the same conveying direction x.
  • the rolling stock 4 is formed as a slab, the band 1 as a finished strip.
  • the rolling mill 2 is designed as a combined rolling mill, which has a roughing train and a finishing train downstream of the roughing train. For example, reversing rolling can take place in the roughing mill, and non-reverting rolling in the finishing mill.
  • FIGS. 5 to 10- as an alternative to the embodiment of FIG.
  • Profiling device is designed as part of a strand casting device.
  • a continuous casting mold 12 itself may have a corresponding concave profile, so that the metal strand 13 emerging from the continuous casting mold 12 already has the corresponding concave thickness profile K.
  • roller segments 14 of the continuous casting device as profiling device. This procedure can be particularly advantageous if the conversion Forming of the cast strand 13 is carried out in an area in which the cast strand 13 is not or only just solidified, so the deformation takes place in a region of the cast strand 13 in which this still has a liquid core or just no liquid core ,
  • the profiling device is designed as a roller segment 14 of the continuous casting device
  • different configurations of the roller segments 14 are also possible.
  • the roller segments 14 it is possible for the roller segments 14 to have a plurality of rollers 14 'as shown in FIGS. 7 to 10.
  • the roller axes 14 "of the outer rollers 14' may form an angle with the roller axes 14" of the middle roller 14 '(or middle rollers 14'). This is shown in FIG.
  • FIGS. 7 and 8 show rigid configurations of the roller segments 14 in which, with the exception of the total adjustment of the respective roller segment 14 (see FIG. 9), no further adjustment possibilities are provided.
  • the angle that the roller axles 14 "form with each other is adjustable.
  • the profiling device as a rolling device 5
  • this rolling device 5 may - in analogy to FIG 1 - have two rolling stands.
  • FIGS. 13 to 17 show possible configurations of rollers 15 of the rolling device 5. According to FIG. 13, it is possible, for example, that the rollers 15 of the corresponding rolling device 5 are mounted axially non-displaceably and are cambered in a suitable manner. Alternatively, the rollers 15 may have a reversed point contour and be arranged axially displaceable.
  • the rolling stock 4 is formed as a slab, the rolling device 5 thus has one or two roughing stands.
  • the rollers 15 - with or without axial displaceability - according to FIGS 15 to 17 on one side have a reduced diameter.
  • Diameter reduction can be uniform linear (FIG. 15), in each case linear (traverse, FIG. 16) or not linear (FIG. 17).
  • FIGS. 16 and 17 show only the respectively relevant part of a single roller 15.
  • the corresponding contour can be circular-arc-shaped, for example.
  • Non-circular configurations are also possible.
  • a clothoid may be an advantage.
  • rollers 15 can be pivoted against each other, so that the axes of rotation of the rollers 15 are each pivotable in a direction parallel to the conveying direction x 'and Walzgutiericulturenraum plane, wherein the
  • the rolling device 5 Regardless of which of the configurations of the rolling device 5 is selected, it is possible for the rolling device 5 to be designed as a rolling stand having only two rolls 15-namely the working rolls 15. Other rolls, which are usually found in rolling mills for flat rolled goods, can be eliminated. However, embodiments with more than two rollers 15 are also possible.
  • Profiling device 5 form as a rolling device 5, which is the upstream of the rolling mill 2 or part of the rolling mill 2 is.
  • the rolling device 5 in particular between an input side
  • Furnace 16 - for example, a blast furnace or a walking beam furnace - and the first rolling stand 3 of the rolling mill 2 may be arranged.
  • the rolling device 5 of FIG. 18 the above explanations regarding FIGS. 13 to 17 apply in an analogous manner.
  • the rolling device 5 may comprise two rolling stands.
  • the profiling device 5, 12, 14 with respect to the concave thickness profile K is designed as a non-controllable device.
  • the width B of the cast rolling stock 4 is adjustable, but neither its thickness D nor the profile of the concave thickness profile K can be adjusted.
  • it is possible to adjust the concave thickness profile K be it statically before the start of the profiling process for a specific rolling stock 4, be it dynamically during the profiling operation, ie. H. during embossing of the concave thickness profile K into the respective rolling stock 4.
  • the profiling device is designed with respect to the concave thickness profile K as a controllable device.
  • the setting of the rollers 15 can be adjusted to one another, in the case of FIGS. 14 to 17, in addition to the employment, the axial displacement of the rollers 15 relative to one another.
  • the profile of the rollers 15 are influenced.
  • Analogous embodiments apply to an arrangement of the rolling device 5 in front of the flame cutting machine of the casting device and for an arrangement immediately before or in the rolling mill 2. Also controllability is given if the profiling is adjustable by the roller segments 14 of the continuous casting device.
  • the output data of the rolling stock 4 may include, for example, its thickness D, its length L, its width B, its temperature T (possibly also temperature distribution), its chemical composition C, etc.
  • the stitch plan data of the strip 1 may in particular include its nominal dimensions (length 1, width b, thickness d) and implicitly or explicitly reference tongues which the rolled strip 1 should have, the respective stitch decreases, rolling temperatures and rolling forces etc.
  • control computer 6 is usually supplied with geometric data of the rolling mill 2 (profiles of the rolls of the rolling stands 3, etc.).
  • control computer 6 determines in a step S2 on the basis of a rolling model 17 (see FIG. 1)
  • the rolling model 17 can, for example, as an empirical model, as on mathematical /
  • the rolling model 17 usually comprises two partial models. In the first part model is based on the given shape of the rolling stock 4 in conjunction with the other known data, the geometric shape of the Schopfenden of the resulting band 1 determined. In the second part model, the required concavity of the rolling stock 4 is determined on the basis of the geometric shape of the Schopfenden of the resulting strip 1, which at least approximates the shape of the strip 1 of a desired form.
  • control computer 6 determines setting parameters P of the profiling device.
  • the determination of the adjustment parameters P is such that a deviation of the resulting concave thickness profile K of the ideal
  • step S4 the control computer 6 sets the profiling device 5 in accordance with the setting parameters P determined in step S3.
  • steps S2 and S3 are performed uniformly for the entire rolling stock 4.
  • the control computer 6 varies according to FIG During adjustment of the rolling stock 4 from the profiling device, the adjustment parameters P are varied, thereby varying the concave thickness profile K over the length L of the rolling stock 4.
  • the control computer 6 can adjust the setting parameters P during the runout of the rolling stock 4
  • Profiling device 5 linearly or non-linearly from the set parameters determined for the tape head 1 'P in the determined for the band foot 1 "setting parameters P.
  • Figures 21 to 23 show - purely by way of example - a few ways to vary the concave thickness profile K.
  • the maximum thickness reduction ⁇ D is linearly reduced from an initial value to zero. Then, in a second section A2, it remains constant at the value 0 and then increases again in a third section A3 until it reaches its final value.
  • the initial value and the end value may be the same or different. Also, the lengths of the first portion AI and the third portion A3 may be the same or different.
  • a further section A4 is present in front of the first section A1 in which the initial value of the maximum thickness reduction ⁇ D is kept constant.
  • a similar portion (not shown in FIG. 22) may follow the third portion A3.
  • the first, second, third and further sections A1 to A4 are present.
  • the first and in the third section are present.
  • the maximum thickness reduction ⁇ D reduced towards the second section, but additionally a reduction in the width of the concave thickness profile K towards the second section A2.
  • FIGS. 21 to 23 are purely exemplary. There are also other variations possible.
  • the profiling device is designed as a controllable device with respect to the concave thickness profile K, it is preferably by means of a corresponding measuring device 18 (see FIG. 1) -for example a multicellular CCD camera-or manually after the production of the strip 1 (ie after the last pass pass ) determines a degree of the real band tongues 10 occurring on the band head 1 'and / or on the band foot 1 ", preferably including the contour thereof.
  • a corresponding measuring device 18 see FIG. 1
  • a corresponding measuring device 18 for example a multicellular CCD camera-or manually after the production of the strip 1 (ie after the last pass pass ) determines a degree of the real band tongues 10 occurring on the band head 1 'and / or on the band foot 1 ", preferably including the contour thereof.
  • step S6 preferably by the control computer 6, alternatively intellectually from a human - in a step S6, the occurring real ligature tongues 10 compared with the Sollzept. Based on the comparison, the rolling model 17 is adapted in the context of step S6.
  • Steps S5 and S6 are only optional. They are therefore shown in FIGS 19 and 20 only dashed.
  • the production method according to the invention is always usable in principle.
  • the production method according to the invention exhibits its strengths, in particular, when the rolling stock 4 is fed to the rolling mill 2 as a cut-to-length rolled stock 4, seen in length L and width B.
  • the profiling device may be preceded or followed by a corresponding separating device 19 (see FIG. 1), for example a flame cutting machine or a crop shear.
  • the rolling stock 4 is a slab and the strip 1 is a preliminary strip and, in addition, the preliminary strip is to be reused later as a rolling stock 4 for a further production method according to the invention, in which the rolled stock 4 is a preliminary strip and the strip 1 is a finished strip, a corresponding cropping shear can also be arranged on the outlet side of the rolling mill 2.
  • the present invention has significant advantages over the prior art. In particular, the
  • Scrap share in the manufacture of the band can be significantly reduced, for example, from about 0.35% to less than 0.1%.
  • the saving of scrap results in a productivity increase as well as considerable cost and energy minimization.

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

Abstract

Un produit plat laminé (4) est introduit et laminé dans une première passe de laminage dans une première direction d'avance de laminage (x) dans une cage (3) d'un laminoir (2). Après la première passe de laminage, le produit laminé (4) est introduit et laminé successivement dans une pluralité de passes de laminage supplémentaires dans une autre direction d'avance de laminage respective dans une cage (3) respective du laminoir (2) afin de former la bande (1). Par rapport au produit laminé (4), les autres direction d'avance de laminage sont chacune parallèles ou antiparallèles à la première direction (x). Avant la première passe de laminage, le produit laminé (4) présente un profil d'épaisseur concave défini, vu transversalement au premier sens d'avance de laminage (x). Le profil d'épaisseur concave est conféré au produit laminé (4) lors de sa sortie d'un système de profilage (5). Le produit laminé (4) sort du système de profilage (5) dans une direction d'avance de profilage (x'). Par rapport au produit laminé (4), la direction d'avance de profilage (x') est parallèle ou antiparallèle à la direction d'avance de laminage (x). Le profil d'épaisseur concave est conféré au produit laminé (4) sous la forme d'un profil d'épaisseur transversal à la direction d'avance de profilage (x').
PCT/EP2013/057297 2012-04-18 2013-04-08 Procédé de fabrication d'une bande WO2013156332A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12164523.8A EP2653241A1 (fr) 2012-04-18 2012-04-18 Procédé de fabrication pour une bande
EP12164523.8 2012-04-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115608790A (zh) * 2022-11-03 2023-01-17 新余钢铁股份有限公司 防止冷轧带钢边部起筋缺陷的方法及设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119256A (en) * 1977-03-28 1978-10-18 Sumitomo Metal Ind Ltd Steel plate rolling method
US4238946A (en) 1977-04-04 1980-12-16 Kawasaki Steel Corporation Method for rolling metal plate
EP0164265A2 (fr) * 1984-06-08 1985-12-11 DAVY McKEE (SHEFFIELD) LIMITED Procédé pour laminer une brame métallique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119256A (en) * 1977-03-28 1978-10-18 Sumitomo Metal Ind Ltd Steel plate rolling method
US4238946A (en) 1977-04-04 1980-12-16 Kawasaki Steel Corporation Method for rolling metal plate
DE2814472C2 (de) 1977-04-04 1985-02-07 Kawasaki Steel Corp., Kobe, Hyogo Verfahren zum Warmwalzen von Grobblech
EP0164265A2 (fr) * 1984-06-08 1985-12-11 DAVY McKEE (SHEFFIELD) LIMITED Procédé pour laminer une brame métallique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115608790A (zh) * 2022-11-03 2023-01-17 新余钢铁股份有限公司 防止冷轧带钢边部起筋缺陷的方法及设备
CN115608790B (zh) * 2022-11-03 2023-11-10 新余钢铁股份有限公司 防止冷轧带钢边部起筋缺陷的方法及设备

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