EP2842646A1 - Dispositif et procédé destinés à réguler la température de rouleaux - Google Patents

Dispositif et procédé destinés à réguler la température de rouleaux Download PDF

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Publication number
EP2842646A1
EP2842646A1 EP13182125.8A EP13182125A EP2842646A1 EP 2842646 A1 EP2842646 A1 EP 2842646A1 EP 13182125 A EP13182125 A EP 13182125A EP 2842646 A1 EP2842646 A1 EP 2842646A1
Authority
EP
European Patent Office
Prior art keywords
rolls
rollers
tempering
temperature
work rolls
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.)
Withdrawn
Application number
EP13182125.8A
Other languages
German (de)
English (en)
Inventor
Bernhard Wessling
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 AG
Original Assignee
Siemens 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
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP13182125.8A priority Critical patent/EP2842646A1/fr
Priority to PCT/EP2014/067747 priority patent/WO2015028370A1/fr
Publication of EP2842646A1 publication Critical patent/EP2842646A1/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/028—Sixto, six-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B21B27/106—Heating the rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls

Definitions

  • the invention relates to a method for controlling the temperature of rollers according to the preamble of claim 1.
  • the invention further relates to a device according to the preamble of claim 7, a rolling stand with such a device and a rolling mill with such a rolling stand.
  • the object is achieved by means of a method of the type mentioned in that both the work rolls and at least one of the intermediate rolls and / or at least one of the support rollers are tempered.
  • the object is further achieved by a rolling mill with the features of claim 10 and by a rolling mill with the features of claim 11.
  • Roll stands in particular for installation in rolling mills, usually consist of two work rolls, two support rolls and possibly two or more intermediate rolls. Work rolls usually have a small diameter compared to the back-up rolls. Intermediate rollers are oriented in size, in particular their diameter, mostly on the work rolls. Back-up rolls are usually considerably heavier and larger than work rolls and / or back-up rolls.
  • thermal energy is released by the deformation of the rolling stock, which leads to heating of the rolls and the rolling stock. The heating of the rolls, in particular the work rolls, leads to the expansion of the rolls.
  • the thickness of the product of the rolling process is changed to the detriment.
  • either the position of the work rolls and / or the support rollers must be adjusted and / or at least the work rolls tempered, in particular cooled, are.
  • the work rolls and the intermediate rolls are tempered.
  • the temperature of the work rolls and / or backup rolls is used to modify the diameter and / or the course of the diameter along the axis of rotation of the tempered roll.
  • Thickness of the rolling stock is understood here to be the local thickness of the rolling stock. Local thickness means that the thickness of the profile of the rolling stock can be different. For example, the thickness in the middle of the cross section, which is parallel to the axes of rotation of the rollers, may increase or decrease in the middle. Of course, even more complex shapes of the rolling stock, in particular the cross section of the rolling, conceivable.
  • a temperature control is understood here to mean a partial heating and / or cooling of a roller.
  • the work roll is cooled cooled in the central region and possibly simultaneously or temporally heated near the end faces.
  • the intermediate roll is cooled in the middle course and optionally heated in its outer region. Both the work rolls and the intermediate rolls are advantageously divided into regions, wherein at least one of the regions is tempered.
  • the main focus of the invention is therefore the additional temperature of the intermediate rolls in addition to a temperature of the work rolls.
  • a temperature control of the support rollers is advantageous.
  • Back-up rolls are regularly very large, especially in comparison to work rolls or intermediate rolls. Therefore, backup rolls provide heat storage to stabilize the temperature of the rolls.
  • a tempering he work rolls and / or the intermediate rolls, in particular before the rolling process an effective means to support the temperature control in the initial phase of the rolling process. By tempering the intermediate rolls and / or optionally the support rollers position of the work rolls and thus the thickness of the rolled product can be changed.
  • the temperature compensation is achieved in particular by a coordinated temperature control of the work rolls of the intermediate rolls and / or optionally of the support rolls.
  • a mechanical displacement of the rollers takes place on the basis of the determined flatness and the dimension of the rolling stock.
  • the flatness and the dimension of the rolling stock are determined after the rolling process and changed based on the deviations of flatness or dimensions, the position and / or the orientation of the rolls.
  • the intermediate rolls and optionally the support rollers Be influenced axis of rotation.
  • a tempering of the rollers support further measures to increase the quality of the rolled product, with further measures being, for example, a displacement or a change in the axis of rotation of rollers relative to one another.
  • the tempering of the intermediate rolls in particular a cooling of the intermediate rolls in the inner region and a heating of the intermediate rolls in the outer region, carried out to improve the flatness.
  • An advantage of the tempering of the intermediate rolls is the direct loading of the intermediate rolls with the work rolls. Further advantageous is the temperature of the intermediate rolls, since the intermediate rolls can be tempered very fast compared to the back-up rolls due to their low mass.
  • the tempering of the rolls is carried out regularly by applying a tempering agent to the rolls.
  • the tempering agent is applied by means of a nozzle on the surface of the corresponding roller.
  • the tempering agent is advantageously tempered before and transported by means of leads to the nozzles. Valves are used to control the flow of the tempering through the nozzle.
  • the Temper michsfunktionstechnik is advantageously retrofitted in an existing rolling mill. If appropriate, temperature sensors for measuring the temperature of the rolls and / or individual regions of the rolls are advantageously part of the tempering functional unit.
  • An advantageous embodiment of the method is characterized in that the work rolls and the intermediate rolls, which act on the work rolls, are tempered.
  • the method for tempering rolls is particularly advantageous for a roll stand consisting of two work rolls, which are each acted upon by an intermediate roll, the intermediate rolls in each case in turn being acted upon by a support roll.
  • both the work roll and, optionally independently of one another, the intermediate rolls are tempered.
  • a tempering is understood to mean the temperature compensation of the roll with other elements of the roll stand or the setting of a desired temperature of the roll or a region of the roll to be delimited.
  • For temperature control is advantageously an admission of the rollers with a tempering or another method of heating or cooling the rolls.
  • a particularly advantageous field of application of the method is the operation of a six-high cold rolling mill of a 6-high rolling mill.
  • An advantage of the method is the exclusive cooling of the intermediate rolls and the work rolls, wherein the support rollers are not separately tempered.
  • a disadvantage of a temperature of the support rollers requires a large amount of tempering, since the support rollers have a significantly higher diameter and thus significantly more to be cooled volumes than the intermediate rollers and / or the work rolls.
  • the roll to be tempered is divided into a plurality of regions along the direction of the axis of rotation of the roll, and the temperature control of the individual regions takes place separately.
  • the rollers are divided into an inner and an outer area, wherein the outer areas include the inner area.
  • a division into a higher number of areas for example in seven or more areas along the axis of rotation of the roller. The more individual areas of the roll are tempered separately, the more accurately can be responded to deterioration of the flatness by means of the temperature of the rollers.
  • individual regions of individual rolls can be tempered separately with different tempering methods such as applying a tempering agent and an induction heater.
  • a partial temperature control to different temperature values is used to improve the flatness of the rolled product, with a targeted heating or cooling of individual areas of the rollers supports the mechatronic adjustment of the position of the rollers.
  • Such division advantageously takes place by placing a plurality of nozzles through which a tempering agent is applied to the individual regions of the rolls.
  • an organic solvent in particular mineral oil, water or an emulsion of water and an organic solvent serves as tempering agent and wherein the tempering agent is applied by means of one or more nozzles on the rollers.
  • the organic solvent used is advantageously a liquid hydrocarbon, a mixture of hydrocarbons, an alcohol, a petroleum product, for example kerosene or a light oil. Further advantageous is a mixture of different petroleum products.
  • the tempering agent water or an emulsion of water and a mineral oil and optionally further additives are advantageous, the additives serving in particular for stabilizing the emulsion.
  • cooling water is particularly well suited because water has a high heat coefficient.
  • petroleum products regularly have a lower heat coefficient, however, they are also well suited for the lubrication of the rollers with each other.
  • different tempering are used for different rolling stock.
  • mineral oil is well suited due to its chemical stability.
  • mineral oil behaves very inert and is therefore well suited to support a rolling process of chemically reactive metals such as copper or aluminum.
  • the application of the temperature control means is advantageously carried out by means of a nozzle, wherein the nozzle is directed in an advantageously variably held distance and in an advantageously variably adjustable direction of the rolling surface.
  • the superfluous tempering agent is advantageously collected in the lower region of the roll stand and, after the tempering agent has been brought back to the desired temperature, is returned to the tempering process.
  • a method characterized in that as the other Temper istsmethode an interaction the roller to be tempered with an electromagnetic field and / or an alternating magnetic field, in particular an induction heating, takes place.
  • Irradiation of the roller with heat radiation for tempering the roller, in particular an intermediate roller is advantageous for particularly rapid heating of individual areas of the roller.
  • induction heating can serve a rapid and effective heating of individual areas of the roller.
  • a fast and precisely tuned heating of individual areas advantageously improves the flatness of the rolled product after the rolling process has been completed.
  • an induction heating method or irradiation of a roller with heat radiation for the compensation of regions of different temperatures. A compensation of the temperature serves to increase the flatness of the rolls. An improved flatness increases the quality of the rolling stock.
  • thermocontrol is tempered before the application of the rolls.
  • tempering the temperature control before the action of the rollers, in particular through nozzles a rapid heating or cooling of individual areas of the roller is possible.
  • a compensation of the temperature of the rolls also serves to increase the life of the rolls, especially at high temperature differences of individual areas or the entire roll.
  • the tempering of the temperature control is advantageously carried out centrally or, as a further possible embodiment of the method, just before the nozzle, wherein the nozzle is provided for acting on the predetermined area of the roller.
  • the previous tempering of the tempering serves both the rapid and targeted tempering of the rollers and a preservation of the roll material, especially at an otherwise high temperature difference between Temperianssstoff and the outside temperature of the roll to be tempered.
  • both a temperature control of the two work rolls and a temperature control of the intermediate rolls are provided, wherein the intermediate rolls act on the work rolls.
  • the intermediate rolls act on the work rolls.
  • the intermediate roll is acted upon in each case by a work roll and a support roll.
  • it is advantageous to temper the work rolls and the intermediate rolls since the interaction of the intermediate rolls and the work rolls with the rolling stock is considerably higher than the interaction of the support rolls and the work rolls with the work rolls rolling. Under an interaction is understood, for example, a temperature compensation.
  • the temperature of the work rolls and the intermediate rolls but not the back-up rolls is advantageous from a procedural economic point of view, since the masses of the back-up rolls are considerably higher than the masses of the work rolls or the masses of the intermediate rolls.
  • a product can advantageously be produced, which has a high flatness and a particularly small deviation of the thickness.
  • a control device controls and / or regulates the temperature control of the areas of the roller.
  • the control device advantageously serves to regulate the temperature of the individual regions of the rolls, in particular the tempered rolls.
  • the control device receives, for example, the determined flatness of the rolling stock before and / or after the rolling process. By regulating the temperature of the rolls, a region-wise occurring deformation of the roll is selectively achieved in order to improve the flatness of the rolling stock.
  • the control device is also advantageous for controlling the flow rate the temperature control agent through the individual nozzles and optionally for controlling the temperature of the temperature control.
  • the control device is used to control the heating elements.
  • the controller may control the position and / or orientation of the nozzles.
  • the control device is advantageously connected to a control system of the rolling stand and / or the control system of the rolling mill.
  • An integration of the control device to support the further running processes of the rolling mill and / or the rolling stand is a particularly preferred embodiment of the method.
  • Particularly advantageous is a device described here for a six-high cold rolling mill or a 6-high rolling mill.
  • the work rolls and the back-up rolls are tempered.
  • FIG. 1 shows an arrangement of two work rolls 3 and two support rollers 7.
  • the work rolls 3 are arranged between the two support rollers 7, wherein the support rollers 7 act on the work rolls 3 respectively.
  • the rolling stock 2 wherein the rolling direction is oriented to the rotational direction of the work rolls 3 and the support rollers 7 runs.
  • a Temper michsfunktionstechnik T For tempering the work rolls 3 as well as the support rollers 7 is a Temper michsfunktionstechnik T.
  • the Temperianssfunktionstechnik T consists of nozzles 11, from leads of the nozzles 11 and from the associated valves 9.
  • the temperature control is passed through the leads to the nozzles 11.
  • the nozzles 11 serve to act on the rollers 3, 7 with the tempering agent.
  • the nozzles 11 are located near the respective work roll 3 and / or back-up roll 7.
  • the position of the nozzles 11 in position and orientation is variable.
  • the nozzles 11 are used to act on the support rollers 7 and the work rolls 3 with the temperature control.
  • the supply of temperature control in particular for controlling the temperature of the work rolls 3 and advantageously the cooling and possibly to compensate for the temperatures of the support rollers 7 and the work rolls 3 and to improve the flatness.
  • the tempering means can also serve by means of a conduit system (not shown), which passes through the rollers 3, 7 or near the rollers 3, 7, for tempering the rollers 3, 7 and / or the rolling stock 2.
  • FIG. 2 shows an arrangement for temperature control of work rolls 3, intermediate rolls 5 and back-up rolls 7 as part of a rolling stand 1.
  • the rolling stock 2 is acted upon by the work rolls 3 and changed by the action of the work rolls 3 in its shape, in particular its thickness.
  • the work rolls 3 are each supported via an intermediate roll 5, with a support roller 7.
  • the back-up roll serves to receive and / or balance the force applied to the work roll 3 acts during the deformation of the rolling stock 2.
  • the intermediate roller 5 serves to force the work rolls 3 to the support rollers 7.
  • both the work rolls 3 and the intermediate rolls 5 and the support rollers 7 are changeable in their orientation and their position. This is indicated by the straight arrows on the upper support roller 7.
  • the curved arrows near the center of the rollers 3, 5, 7 indicate a possible direction of rotation of the rollers 3, 5, 7.
  • An adjustment of the position and / or orientation of individual rollers 3, 5, 7 serves the purpose that the flatness of the rolling stock 2 after passing through the rolling stock 2 by the rolling stand 1 meets the requirements.
  • the Temper michsfunktionsaku T is the Temper michsfunktionsaku T.
  • the Temperianssfunktionstechnik T the nozzles 11, the nozzles 11 associated valves 9 and the leads.
  • For temperature control of the work rolls 3 and the intermediate rolls 5 and the support rollers 7 each serve one or more nozzles 11, which act on the rollers 3, 5, 7 with the temperature control.
  • a valve 9 which adjusts the flow of the temperature control means through the nozzle 11 and thus the temperature of the corresponding roller 3, 5, 7.
  • the nozzles 11 and the valves 9 may coincide in one unit.
  • the temperature of the support rollers 7 can also be omitted by the valves 9 of the nozzles 11, which are provided for the loading of the support rollers 7 with the temperature control, be closed.
  • FIG. 3 shows an arrangement for temperature control of work rolls 3 and intermediate rolls 5. Also shown here is a rolling mill 1, consisting of work rolls 3, intermediate rolls 5 and back-up rolls 7, wherein the work rolls 3 are provided for processing the rolling stock 2, wherein the back-up rolls 7 and the intermediate rolls 5 are provided for alignment and / or support of the work rolls 3 and wherein the work rolls 3 and the intermediate rolls 5 are tempered by means of a Temper réellesfunktionstechnik T.
  • the temperature control unit T for the rollers 3, 5 has nozzles 11, for acting on the respective roller 3, 5, and the supply lines and valves 9.
  • the embodiment shown has two valves 9, the valves 9 advantageously controlling the flow rate of the tempering agent through the supply lines.
  • the upper valves 9 control the temperature of the work rolls 3 and the lower valve 9 controls the temperature of the intermediate rolls fifth
  • FIG. 4 shows an arrangement for the temperature control of work rolls 3, intermediate rolls 5 and back-up rolls 7 with a control device 15 and a valve 9.
  • the control device 15 for controlling and / or regulating the temperature of work rolls 3, intermediate rolls 5 and optionally the back-up rolls 7.
  • Die Back-up rollers 7 can advantageously be tempered only temporarily.
  • a scanning unit 13 is used, which determines the flatness of the rolling stock 2 after the rolling process. The flatness is transmitted to a control device 15, wherein the control device 15 instructs the valves 9, the work rolls 3, intermediate rolls 5 and / or optionally the back-up rolls 7 to temper in such a way that the flatness of the rolling stock 2 after the rolling process meets the requirements.
  • the nozzles 11 are used to act on the rollers 3, 5, 7 with the tempering agent.
  • the nozzles 11 are supplied with the tempering agent via the supply lines.
  • the tempering is tempered when reaching the valve 9.
  • a flow temperature controller 10 advantageously serves for targeted heating or cooling of the temperature control medium.
  • a conflußemperieres 10 can also be a central temperature of the temperature control.
  • the flow temperature adjuster 10 is connected to the control device 15 and supports the improvement of the flatness of the rolling stock 2 after passage of the rolled material 2.
  • control device 15 also serves to align and / or position the work rolls 3 and / or A change in the position of the work rolls 3, the intermediate rolls 5 and / or the support rollers 7 is indicated by the arrows in the upper support roller.
  • the arrow in the lower region of the roll stand symbolizes the direction of flow of the rolling stock 2 through the roll stand 1.
  • FIG. 5 shows an arrangement for controlling the temperature of work rolls 3 and intermediate rolls 5.
  • cleaning nozzles 19 are used for applying lubricant and / or detergent to the rollers 3, 5, 7 and / or by means of rollers 3, 5, 7 on the rolling stock. 2
  • the applied cleaning agent is used to clean the corresponding rollers 3, 5, 7 and prevent, for example, an accumulation of particles on the rollers 3, 5, 7. Since the rollers 3, 5, 7 pressure-hugging nestle against each other, even the smallest particles can damage the Walzgut 2 and / or on the rollers 3, 5, 7 lead yourself.
  • the rollers 3, 5, 7, in particular close to the application between two different rollers 3, 5, 7, lubricated.
  • the lubricant used is advantageously a suitable mineral oil and for cleaning the rollers 3, 5, 7 is either water, an alcohol and / or a light mineral oil.
  • the device for lubricating and / or cleaning the rollers 3, 5, 7 is advantageously coupled to one another in the device for controlling the temperature of the rollers 3, 5, 7.
  • a device for acting on the rollers with lubricant and / or cleaning agent which is located on the opposite side of the roll stand 1 as the valves 11, so that the lubricant and / or the cleaning agent is introduced through the rotating rollers 3, 5, 7 into the intermediate space between the two corresponding rollers 3, 5, 7 and thus distributed uniformly.
  • FIG. 6 shows a further arrangement for the temperature control of work rolls 3 and intermediate rolls 5, wherein for determining the temperature of the respective work roll 3 and / or intermediate roll 5, a temperature sensor 8 takes place.
  • a temperature sensor 8 is advantageously a temperature sensor 8, which slides along the surface of the roller 3, 5, 7, a temperature sensor 8, which registers the heat radiation emitted by the roller 3, 5, 7 and / or a temperature sensor 8, in the roller 3, 5, 7 itself is integrated.
  • the temperature values determined by means of the temperature sensor 8 advantageously serve to control the effectiveness of the tempering functional unit T. In particular, overheating of the rollers 3, 5, 7 can be prevented by means of a control of the temperature of the rollers 3, 5, 7.
  • the temperature sensor 8 is advantageously connected to the control device 15 (not shown here) and / or to a flow temperer 10, wherein the flow temperer 10 by means of the temperature of the temperature control the temperature of the individual rollers 3, 5, in particular of different areas of the individual rollers 3, 5, controls. Furthermore, valves 9 are assigned to the individual nozzles 11. The valves 9 are advantageously controlled directly by the control device 15 (not shown) and / or by means of the temperature sensors 8.
  • FIG. 7 shows a further arrangement for the temperature control of work rolls 3 and intermediate rolls 5, wherein the intermediate rolls 5 and the work rolls 3 advantageously one or more temperature sensors 8, in particular for determining the temperature of individual areas of the intermediate rolls 5 and / or the work rolls 3.
  • the intermediate rolls 5 and the work rolls 3 advantageously one or more temperature sensors 8, in particular for determining the temperature of individual areas of the intermediate rolls 5 and / or the work rolls 3.
  • a temperr istsstoffs is tempered additionally or alternatively by means of a heat source 17.
  • a temperature measurement in / on the rollers 3, 5, 7 can also be dispensed with or the temperature of the rolling stock 2 itself can be determined.
  • a determination of the temperature of the rolling stock is carried out, for example, with a thermal camera or with another temperature sensor 8 outside of the roll stand 1.
  • the temperature of the rolls is not measured but calculated.
  • FIG. 8 shows a division of an intermediate roll 5 in different areas and individual nozzles 11 for temperature control.
  • the nozzles 11 are adjustable by means of an associated valve 9 so that individual areas are tempered differently by the application of temperature control means of different flow rates.
  • all the nozzles 11 are connected to a source of tempering, wherein the individual areas by controlling individual valves 9, which is advantageously associated with each nozzle 11, is controlled.
  • the arrangement shown is advantageously also applicable to the work rolls 3 and / or the support rollers 7.
  • the number of nozzles is advantageously determined by the length of the roll to be tempered 3, 5, 7, wherein a region which is heated with a nozzle, has a width of 1 cm to 5 cm.
  • the nozzles 11 may have a plurality of holes, wherein the tempering agent is applied in a different direction to the rollers 3, 5, 7 through each of the holes.
  • a nozzle 11 has a valve 9, wherein the valve 9 is temporarily opened. The duration of the open valve 9 in relation to the duration of the closed valve 9 results in the volume of the dispensed tempering at an advantageously constant flow rate of the tempering agent through the nozzle 11th
  • the invention relates to a method and a device for tempering of rolls 3, 5, 7, in particular of the rolls 3, 5, 7 of a roll stand 1.
  • the roll stand 1 basically has work rolls 3, support rolls 7 and optionally at least one intermediate roll 5, wherein the intermediate rollers 5 are advantageously located between the work rolls 3 and the support rollers 7.
  • the rolls 3, 5, 7 are acted upon by a tempering agent and / or a heat source 17. It is provided that both the work rolls 3 and at least one of the intermediate rolls 5 and / or optionally at least one of the support rollers 7 are tempered.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
EP13182125.8A 2013-08-29 2013-08-29 Dispositif et procédé destinés à réguler la température de rouleaux Withdrawn EP2842646A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13182125.8A EP2842646A1 (fr) 2013-08-29 2013-08-29 Dispositif et procédé destinés à réguler la température de rouleaux
PCT/EP2014/067747 WO2015028370A1 (fr) 2013-08-29 2014-08-20 Procédé et dispositif d'équilibrage de la température de rouleaux

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Application Number Priority Date Filing Date Title
EP13182125.8A EP2842646A1 (fr) 2013-08-29 2013-08-29 Dispositif et procédé destinés à réguler la température de rouleaux

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EP2842646A1 true EP2842646A1 (fr) 2015-03-04

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Cited By (1)

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EP4032628A1 (fr) * 2021-01-25 2022-07-27 Speira GmbH Utilisations des dispositifs de laminage à froid et procédé de laminage à froid régulé des feuilles d'aluminium

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CN112423904A (zh) 2018-05-09 2021-02-26 纽科尔公司 用局部温度的改变来改变铸辊轮廓的方法

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Publication number Priority date Publication date Assignee Title
DE3943093A1 (de) * 1988-12-28 1990-07-05 Furukawa Aluminium Verfahren zur steuerung der ebenflaechigkeit eines in einem walzwerk hergestellten bandes und vorrichtung zu seiner durchfuehrung
US5622073A (en) * 1991-05-16 1997-04-22 Kawasaki Steel Corporation Six high rolling mill
DE20006508U1 (de) * 2000-04-08 2000-08-31 Achenbach Buschhuetten Gmbh Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke, insbesondere Feinband- und Folienwalzwerke
DE102005029461B3 (de) 2005-06-24 2006-12-07 Siemens Ag Verfahren zum Aufbringen eines Kühlmittels und Walzgerüst zur Durchführung des Verfahrens
US20070193322A1 (en) * 2006-02-17 2007-08-23 Beck William J Application of induction heating to control sheet flatness in cold rolling mills

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943093A1 (de) * 1988-12-28 1990-07-05 Furukawa Aluminium Verfahren zur steuerung der ebenflaechigkeit eines in einem walzwerk hergestellten bandes und vorrichtung zu seiner durchfuehrung
US5622073A (en) * 1991-05-16 1997-04-22 Kawasaki Steel Corporation Six high rolling mill
DE20006508U1 (de) * 2000-04-08 2000-08-31 Achenbach Buschhuetten Gmbh Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke, insbesondere Feinband- und Folienwalzwerke
DE102005029461B3 (de) 2005-06-24 2006-12-07 Siemens Ag Verfahren zum Aufbringen eines Kühlmittels und Walzgerüst zur Durchführung des Verfahrens
US20070193322A1 (en) * 2006-02-17 2007-08-23 Beck William J Application of induction heating to control sheet flatness in cold rolling mills

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4032628A1 (fr) * 2021-01-25 2022-07-27 Speira GmbH Utilisations des dispositifs de laminage à froid et procédé de laminage à froid régulé des feuilles d'aluminium
WO2022157312A1 (fr) * 2021-01-25 2022-07-28 Speira Gmbh Utilisations de dispositifs de laminage à froid et procédé de laminage à froid contrôlé de feuille d'aluminium

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