EP3584016A1 - Réduction de l'usure des rouleaux de caisse à rouleaux - Google Patents

Réduction de l'usure des rouleaux de caisse à rouleaux Download PDF

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Publication number
EP3584016A1
EP3584016A1 EP19179962.6A EP19179962A EP3584016A1 EP 3584016 A1 EP3584016 A1 EP 3584016A1 EP 19179962 A EP19179962 A EP 19179962A EP 3584016 A1 EP3584016 A1 EP 3584016A1
Authority
EP
European Patent Office
Prior art keywords
rollers
wear
winding
strip
account
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19179962.6A
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German (de)
English (en)
Other versions
EP3584016B1 (fr
Inventor
Bernhard Ehls
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Group GmbH
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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
Publication of EP3584016A1 publication Critical patent/EP3584016A1/fr
Application granted granted Critical
Publication of EP3584016B1 publication Critical patent/EP3584016B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C49/00—Devices for temporarily accumulating material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/522—Wear of friction surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal

Definitions

  • the invention relates to a device and a method for winding and / or unwinding a strip, preferably for winding a metal strip into a coil in metal processing.
  • the coil box usually has a plurality of bending rollers which bend the tape and in this way bring it into a position suitable for winding up, and winding rollers which usually wind up the tape without a thorn, ie with an open eye.
  • the coil box can also have means for transporting the tape, as well as for moving and unwinding the coil.
  • Such a coil box is for example in the DE 198 03 091 A1 described.
  • the WO 2009/097957 A1 describes a method in which the peripheral speed of the bending rollers is set to the surface speed of the metal strip at the line of contact. This can reduce the slippage between the metal band and the bending rollers, but it does the bending rollers continue to be exposed to different loads - such as different engagement times, angles of attack, compressive forces, etc. - which can result in different wear behavior.
  • An object of the invention is to provide a device and a method for winding and / or unwinding a strip, preferably for winding a metal strip into a coil in metalworking, which improve the wear behavior of rollers, in particular transport, guidance, bending and take-up rolls, optimize.
  • the device is used for winding and / or unwinding a tape.
  • the band is preferably a metal band.
  • the strip can be a metal strip that runs out of a roll stand and is wound up into a bundle by the device.
  • the device has several roles.
  • the rollers are used, for example, to transport, guide, bend, wind and / or unwind the tape and are in contact with it at least temporarily.
  • At least one role, preferably several or all roles, has one or more changeable manipulated variables that can be set by an actuating device.
  • a manipulated variable denotes a changeable physical, preferably mechanical, property of the roller.
  • the speed of rotation of the roller can be a manipulated variable, as can the torque, the position and / or orientation of the roller etc.
  • the manipulated variable can also indirectly describe the condition of the roller, for example, it relates to a variable for controlling a drive of the roller.
  • the rotational speed of the roller for example, is also considered as a possible manipulated variable, as is the motor torque of the drive or the excitation current for actuating the drive.
  • the manipulated variable can identify the position of the roller, the position of the piston in the cylinder or the pressures for actuating the hydraulic cylinder. It is important that one or more manipulated variables can be set by a control unit, which is referred to here as an actuating device.
  • One or more manipulated variables can preferably be set during the regular operation of the device, ie during the winding of a strip.
  • the device also has a wear detection device which is set up to determine a wear state of at least one of the rollers.
  • the state of wear comprises at least one physical property of one or more rollers that changes due to wear during the course of the operation of the device. For example, the contact of a roll with the belt over time can cause a change in profile or a change in the diameter of the roll.
  • different rollers generally wear at different speeds and in different ways, since they are exposed to different loads, for example different engagement times and angles of attack. This problem becomes more pronounced when several rollers are driven by a common drive train.
  • the device preferably has a plurality of driven rollers, each of which has at least one manipulated variable that can be set by the actuating device and is driven by its own drive train.
  • the drive train preferably comprises a drive gear, so that the driven rollers are decoupled, at least with regard to the gear, so that the different wear behavior can be taken into account.
  • the individual Drive trains also have their own motors, such as electric motors, to further optimize wear behavior.
  • the diameter of one or more rollers can be measured continuously or at certain intervals during operation, the change over time of which is used as a determining parameter of the state of wear.
  • the profiles of rolls can be measured or theoretically determined and considered in the state of wear.
  • manipulated variables can be taken into account as well as the strip thickness, strip width, strip temperature, bending force, the strip weight, the strip size, etc. The wear condition determined on an experimental and / or theoretical basis is thus a measure of the wear of one or more rollers.
  • the actuating device is set up in such a way that it changes one or more manipulated variables, taking into account the determined state of wear.
  • the control of one or more rollers for example the setting of rotational speeds and / or the chronological course of the opening of bending rollers and / or the lowering of winding rollers etc., takes place taking into account the determined state of wear.
  • the wear behavior can be optimized in this way.
  • the wear of different rollers can be evened out, which increases their operating time and also reduces maintenance times and times in which the device is at a standstill due to wear.
  • the wear optimization insofar as it includes bending rollers and / or winding rollers, also contributes to an improvement in the collar eye diameter, the ovality of the collar and the collar opening sequence. Production security is reduced the cobbler rate improved.
  • the associated improvement in wear prediction also improves downtime and spare parts planning.
  • the wear behavior can be optimized by readjusting the setting values of the roller drives on the basis of the measured and / or otherwise determined wear on different rollers, for example based on the different engagement times, bandwidths and the loads that occur, as well as the input roller shape, i.e. the original roll shape before the wear-related change, and the roll base material.
  • Another measure, which relates to a preferred embodiment, is to achieve an equalization of the load distribution due to the bandwidth fluctuation by a lateral displacement of the roller.
  • a measure of the lateral position or displacement of the roller is a manipulated variable in the sense defined above, which can be adjusted via the actuating device, taking into account the state of wear.
  • the method according to the invention is used like the device for winding and / or unwinding a strip, preferably for winding a metal strip in metal processing.
  • the device and the method are particularly suitable for optimizing the wear of bending rolls and / or winding rolls in coil boxes. But the invention can also be implemented in other areas, for example to optimize wear on transport rollers, guide rollers, unwinding rollers, etc.
  • FIGS. 1 to 6 schematically show the arrangement of bending and winding rolls of a coil box in the course of winding a metal strip.
  • the Figure 1 shows an arrangement of bending and winding rollers in a coil box for winding a metal strip.
  • the coil box has a group of bending rollers with two upper bending rollers 10a, 10b and a lower bending roller 11.
  • the upper bending roller 10b and the lower bending roller 11 define a bending gap B through which the tape 1 to be wound up (cf. Figure 2 to 6 ) is passed through.
  • the inclination of the upper bending rollers 10a, 10b relative to the lower bending roller 11 can be changed by means of an adjusting cylinder 12.
  • the lower bending roller 11 is designed to be stationary in the present exemplary embodiment, but its position can also be provided so as to be adjustable.
  • the coil box also has two winding rollers 20a, 20b which hold the bundle 2 which is created and growing during winding (cf. Figure 4 to 6 ) carry and store rotatable.
  • the setting of the winding rollers 20a, 20b can be changed by a setting cylinder 22.
  • the positioning cylinders 12, 22 are each designed as hydraulic cylinders in the present example, but there is no restriction in this regard.
  • the rollers can be adjusted in various ways, for example by means of an electric motor or magnetically. Furthermore, the roles can be adjusted in groups or individually.
  • the coil box according to the present example has, for example, a form roller 30 and three contact elements 31a, 31b, 31c, which contribute to a defined winding of the tape 1.
  • the positioning cylinders 12, 22 are controlled by an actuating device 40.
  • the actuating device 40 has a wear detection device 50, which is described in more detail below, or communicates with one.
  • the Figure 2 shows a state of the coil box at the beginning of the winding process.
  • the tape 1 which passes through the bending gap B, is bent during the transport by the bending rollers 10a, 10b, 11 so that it comes into contact with the contact element 31a.
  • the positions and speeds of the bending and winding rollers 10a, 10b, 11, 20a, 20b are controlled by the adjusting device 40, wherein the rolls are brought up to a certain speed with their leading and lagging in relation to the belt speed.
  • the Figure 3 shows a state in which the tape 1 pre-bent by the bending rollers 10a, 10b, 11 has been transported further towards the winding rollers 20a, 20b.
  • the tape 1 begins to wind up without a mandrel and in contact with the take-up reel 20a into a bundle 2, as a comparison with that Figure 4 shows.
  • the actuating device 40 causes the upper bending rollers 10a, 10b to open, ie the positioning cylinder 12 moves one or both upper bending rollers 10a, 10b away from the stationary bending roller 11, as a result of which the bending gap B increases.
  • the direction of the opening of the upper bending rollers 10a, 10b is in the Figure 4 shown by an arrow.
  • the adjusting device 40 causes the winding rollers 20a, 20b to lower in addition to the upper bending rollers 10a, 10b in order to make room for the growing bundle 2. This is also indicated by an arrow from the Figure 5 out.
  • the contact state of the strip 1 changes relative to the bending rollers 10a, 10b, 11.
  • the contact of the strip 1 changes from contact with all three bending rollers 10a, 10b, 11 for contact with only two bending rollers 10b, 11, as in the Figure 6 shown.
  • the change in the contact state is not only a function of time, ie the process stage, but also depends on other parameters, such as the material thickness of the strip 1, the strip temperature and strip strength.
  • the coil box has the wear detection device 50. This is set up to determine a state of wear of one or more of the rollers 10a, 10b, 11, 20a, 20b.
  • the state of wear includes at least one physical property of the roll (s) in question, which changes due to wear during the operation of the coil box. For example, a change in the profile or a change in the diameter of one or more of the bending rollers 10a, 10b, 11 may change into the state of wear.
  • the state of wear can be determined in various ways. In particular, the state of wear can be based on a theoretical wear model and / or taking sensor data into account.
  • the bending rollers 10a, 10b, 11 can be assigned sensors which measure one or more parameters suitable for determining the state of wear - such as the roller diameter, the roller profile, the speed of rotation, etc.
  • the sensors communicate with the wear detection device 50, which in turn determines a wear state from the sensor data and, if necessary, taking into account a theoretical model.
  • the actuating device 40 is now set up in such a way that it changes the manipulated variables taking into account the determined state of wear.
  • the speeds of the bending rollers 10a, 10b, 11 and / or the time course of the opening of the upper bending rollers 10a, 10b can be a function of the state of wear, such as the measured roller diameter.
  • the wear behavior of the rollers can be optimized.
  • the wear of different rolls can be evened out, which increases their operating time, as well as maintenance times and times in which the coil box comes to a standstill due to wear.
  • the wear optimization also contributes to an improvement in the collar eye diameter, the ovality of the collar 2 and the collar opening sequence. Production security is improved by reducing the cobbler rate.
  • a more precise wear forecast is possible, which contributes to an improvement in downtime and spare parts planning.
  • the wear detection device (50) is preferably set up to determine the state of wear taking into account measured values measured by one or more sensors, the measured values preferably comprising one or more variables from the following selection: rotational speed of one or more of the rollers (10a, 10b , 11, 20a, 20b); Torque of one or more of the rollers; Change in rotational speed of one or more of the rollers; Torque change of one or more of the rollers; Profile of one or more of the roles; Changing the profile of one or more of the roles; Diameter of one or more of the rollers; Change in diameter of one or more of the rollers; Location and / or orientation of one or more of the rollers; Strip thickness; bandwidth; Strip temperature; Bending force; Coil weight; Bund size.
  • the manipulated variables that can be set by the adjusting device (40) preferably include one or more variables from the following selection: rotational speed of one or more of the rollers (10a, 10b, 11, 20a, 20b); Torque of one or more of the rollers; Pre- and / or lag factor of one or more of the roles; Location and / or orientation of one or more of the roles.
  • the rollers (10a, 10b, 11, 20a, 20b) preferably comprise a plurality of driven rollers, each of which has at least one manipulated variable that can be set by the actuating device (40) and of its own drive train (in the Figures not shown), which preferably has a drive gear and / or a motor, can be driven.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
EP19179962.6A 2018-06-15 2019-06-13 Réduction de l'usure des rouleaux de caisse à rouleaux Active EP3584016B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018209664.3A DE102018209664A1 (de) 2018-06-15 2018-06-15 Verschleißreduzierung bei Coilboxrollen

Publications (2)

Publication Number Publication Date
EP3584016A1 true EP3584016A1 (fr) 2019-12-25
EP3584016B1 EP3584016B1 (fr) 2021-04-28

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EP19179962.6A Active EP3584016B1 (fr) 2018-06-15 2019-06-13 Réduction de l'usure des rouleaux de caisse à rouleaux

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EP (1) EP3584016B1 (fr)
DE (1) DE102018209664A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113634620A (zh) * 2021-08-11 2021-11-12 武汉科技大学 一种矫直机辊子磨损量监测与自适应反馈调节系统及方法
CN113843277A (zh) * 2020-06-28 2021-12-28 上海梅山钢铁股份有限公司 一种热卷箱卷取成形控制装置及控制方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111232704B (zh) * 2020-03-01 2021-06-22 江苏荣生电子有限公司 一种电极箔生产用卷曲装置
CN112705595A (zh) * 2020-12-25 2021-04-27 中冶南方工程技术有限公司 捆带收集装置及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2325559A (en) * 1942-09-05 1943-07-27 Jr Patrick Henry Washam Strip coiler
JPH09196649A (ja) * 1996-01-18 1997-07-31 Nippon Steel Corp ロール状回転体の摩耗劣化診断方法
DE19803091A1 (de) 1998-01-28 1999-07-29 Schloemann Siemag Ag Betriebsverfahren für eine Bundumsetzanlage und hiermit korrespondierende Bundumsetzanlage
DE102006023602A1 (de) * 2006-05-19 2007-11-22 Sms Demag Ag Vorrichtung und Verfahren zum Biegen eines Coilauges
WO2009097957A1 (fr) 2008-02-08 2009-08-13 Siemens Vai Metals Technologies Gmbh & Co Procédé et dispositif de flexion pour la flexion progressive d'un ruban métallique dans la zone d'entrée d'un système d'enroulage de bande sans mandrin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2325559A (en) * 1942-09-05 1943-07-27 Jr Patrick Henry Washam Strip coiler
JPH09196649A (ja) * 1996-01-18 1997-07-31 Nippon Steel Corp ロール状回転体の摩耗劣化診断方法
DE19803091A1 (de) 1998-01-28 1999-07-29 Schloemann Siemag Ag Betriebsverfahren für eine Bundumsetzanlage und hiermit korrespondierende Bundumsetzanlage
DE102006023602A1 (de) * 2006-05-19 2007-11-22 Sms Demag Ag Vorrichtung und Verfahren zum Biegen eines Coilauges
WO2009097957A1 (fr) 2008-02-08 2009-08-13 Siemens Vai Metals Technologies Gmbh & Co Procédé et dispositif de flexion pour la flexion progressive d'un ruban métallique dans la zone d'entrée d'un système d'enroulage de bande sans mandrin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113843277A (zh) * 2020-06-28 2021-12-28 上海梅山钢铁股份有限公司 一种热卷箱卷取成形控制装置及控制方法
CN113634620A (zh) * 2021-08-11 2021-11-12 武汉科技大学 一种矫直机辊子磨损量监测与自适应反馈调节系统及方法
CN113634620B (zh) * 2021-08-11 2023-09-01 武汉科技大学 一种矫直机辊子磨损量监测与自适应反馈调节系统及方法

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Publication number Publication date
DE102018209664A1 (de) 2019-12-19
EP3584016B1 (fr) 2021-04-28

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