EP2451595A1 - Method for determining spring-back of a roll stand and/or edger during working of metal products, method for producing a metal product by way of a roll stand and/or edger, and device for determining spring-back of a roll stand and/or edger - Google Patents
Method for determining spring-back of a roll stand and/or edger during working of metal products, method for producing a metal product by way of a roll stand and/or edger, and device for determining spring-back of a roll stand and/or edgerInfo
- Publication number
- EP2451595A1 EP2451595A1 EP10732916A EP10732916A EP2451595A1 EP 2451595 A1 EP2451595 A1 EP 2451595A1 EP 10732916 A EP10732916 A EP 10732916A EP 10732916 A EP10732916 A EP 10732916A EP 2451595 A1 EP2451595 A1 EP 2451595A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reference points
- upsetting
- determined
- rolling
- rolling mill
- 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
Links
Classifications
-
- 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
- B21B37/58—Roll-force control; Roll-gap control
- B21B37/64—Mill spring or roll spring compensation systems, e.g. control of prestressed mill stands
-
- 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
- B21B37/58—Roll-force control; Roll-gap control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
Definitions
- the term reference point is used in the sense of a reference position, ie in the sense of location information.
- the relative position is determined by measuring a distance of two reference points from one another. This is particularly easy to implement technically.
- the reference points are part of a measuring device for measuring a distance of the two reference points.
- the measuring device can also be designed such that the at least two reference points are not part of a measuring device, so that they can be arranged almost belie ⁇ big.
- an individual solution can be provided for each rolling mill, for example due to space problems.
- the spring-back of Walzgerusts and / or Stauchgerusts is loaded in a basis of a comparison of a distance of the at least two reference points in a stress-free state of the Walzgerusts and / or Stauchgerusts and a From ⁇ stands of the at least two reference points Condition of the rolling mill and / or upsetting equipment determined.
- a load-free state of the rolling mill is usually present when no metal material is processed with this rolling mill, ie the rolling stock is neither driven nor rolled.
- the springback can be detected in an improved manner if the at least two reference points for a rolling mill stand in the vertical direction on two different sides of the roll gap.
- the at least two reference points lie in the horizontal direction on two different sides of the upsetting region.
- a parallel to the longitudinal axes of the work rolls or compression rolls - each in the load-free state - are arranged through the nip or upsetting region extending plane.
- the longitudinal extent of the Geruststanders is the direction in which the Walzgerust or
- the device according to the invention By means of the device according to the invention, it is possible to realize a direct determination of the springing of a rolling stand and / or upset frame, whereby the accuracy for the determination of a spring-back can be significantly increased.
- the resulting from the prior art disadvantages by in ⁇ direct determination of the spring-back are eliminated by the device according to the invention.
- 1 shows a schematic representation of a device according to the invention for measuring a springing of a rolling frame by means of a contact-type measuring device
- 2 shows a schematic representation of a device for determining a springing of a roll stand by means of a non-contact measuring device
- Walzgeruststander is arranged and the second Refe ⁇ point is not included in the rolling mill.
- a reference point R 1 or R 3 lies on a first side of a plane running parallel to the longitudinal axes of the work rolls through the nip 3 and a respective reference point R 2 or R 4 of the measuring devices 6 on the second side of the distance measurements taken by the measuring devices 6 Level.
- this plane passing through the roll gap lies horizontally or perpendicular to the plane of the page.
- the center ⁇ fiber of entering the rolling mill metal stock within this plane is the center ⁇ fiber of entering the rolling mill metal stock within this plane.
- the depending ⁇ stays awhile measuring device 6 Fuhrungsetti. 8 Through this, the accuracy of the measurement is increased, since the proper motion of the respective measuring device 6 is reduced.
- FIG. 2 shows a further rolling mill 1.
- a contactless measuring device 7 is provided for determining a distance between two reference points R1 or R2 and R3 or R4.
- the measuring device 7 is designed as a Laserabstandsmessein ⁇ chtung.
- a distance between the reference points R1 and R2 or R3 and R4 can be determined.
- This information is supplied in the form of signals to the signal processing device 9, which determines therefrom a spring-back of the rolling mill 1.
- the positioning system 4 of the rolling mill 1 is thus operated by means of the control variables determined by the control and / or regulating device 10 such that the rolling stock G when leaving the rolling mill 1 as possible a certain Solleigen- society, in particular target thickness has.
- control and / or regulating device comprises machine-readable program code, which determines corresponding manipulated variables from the ascertained springing, and the actuators, corresponding to the determined ones
- the determination of manipulated variables based on a determined springing can be found in the prior art.
- the Signal kausein ⁇ chtung 9 and the control and / or regulating device 10 may structurally summarized who ⁇ the. In Figure 3, only a single measuring device 7 is provided to determine the spring-back of the rolling mill 1.
- the rolling mill 1 according to FIG. 3 comprises a rolling stand stand 5, a set of stand rollers 2 and a set of work rolls 3, as well as a setting system 4 not shown in any more detail.
- the difference from the measuring device 7 shown in FIG. 2 is that only one reference point R 1 is arranged on the rolling mill stand 5.
- the second reference point R2 is insulated from the rolling stand 1. It is also possible to provide a further measuring device 7, which is arranged completely on the rolling mill 1 according to the exemplary embodiment according to FIG.
- the arrangement of reference points on the rolling mill 1, in particular the Geruststander, or separately from the rolling mill 1 can be arbitrarily, as far as considered appropriate by professional side, combined.
- a separate from Walzgerust 1 Reference ⁇ point at a position fixed his various machine components from Walzgerust first For example, this may also be the foundation for the rolling mill, or the ground.
- the selection of a suitable non-rolling stand 1 arranged on the reference point is the skilled person. Such a procedure is also possible in order to determine a spring-back of a rolling mill.
- a measuring device can determine the relative position of at least two reference points on the drive side and / or on the operating side of the rolling mill.
- a measuring device for determining the relative position may be on the drive side and on the Bet ⁇ ebssei- te at least the will see at least two reference points provided ⁇ .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10732916.1A EP2451595B1 (en) | 2009-07-10 | 2010-07-07 | Method for detecting deflection of a roll stand and/or edger when processing metal goods, method of manufacturing metalled goods using a roll stand and/or edger and device for detecting deflection of a roll stand and/or edger |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09165184A EP2272599A1 (en) | 2009-07-10 | 2009-07-10 | Method for detecting deflection of a roll stand and/or edger when processing metal goods, method of manufacturing metalled goods using a roll stand and/or edger and device for detecting deflection of a roll stand and/or edger |
EP10732916.1A EP2451595B1 (en) | 2009-07-10 | 2010-07-07 | Method for detecting deflection of a roll stand and/or edger when processing metal goods, method of manufacturing metalled goods using a roll stand and/or edger and device for detecting deflection of a roll stand and/or edger |
PCT/EP2010/059697 WO2011003930A1 (en) | 2009-07-10 | 2010-07-07 | Method for determining spring-back of a roll stand and/or edger during working of metal products, method for producing a metal product by way of a roll stand and/or edger, and device for determining spring-back of a roll stand and/or edger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2451595A1 true EP2451595A1 (en) | 2012-05-16 |
EP2451595B1 EP2451595B1 (en) | 2014-06-25 |
Family
ID=41412237
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09165184A Withdrawn EP2272599A1 (en) | 2009-07-10 | 2009-07-10 | Method for detecting deflection of a roll stand and/or edger when processing metal goods, method of manufacturing metalled goods using a roll stand and/or edger and device for detecting deflection of a roll stand and/or edger |
EP10732916.1A Revoked EP2451595B1 (en) | 2009-07-10 | 2010-07-07 | Method for detecting deflection of a roll stand and/or edger when processing metal goods, method of manufacturing metalled goods using a roll stand and/or edger and device for detecting deflection of a roll stand and/or edger |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09165184A Withdrawn EP2272599A1 (en) | 2009-07-10 | 2009-07-10 | Method for detecting deflection of a roll stand and/or edger when processing metal goods, method of manufacturing metalled goods using a roll stand and/or edger and device for detecting deflection of a roll stand and/or edger |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP2272599A1 (en) |
CN (1) | CN102470411B (en) |
WO (1) | WO2011003930A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62166011A (en) * | 1986-01-14 | 1987-07-22 | Sumitomo Metal Ind Ltd | Camber control method for rolled stock |
DE3942452A1 (en) * | 1989-12-22 | 1991-06-27 | Schloemann Siemag Ag | DETERMINATION OF THE SPRING CHARACTERISTIC OF A PRE-AND FINISHED FRAME |
DE10139513A1 (en) * | 2001-08-10 | 2003-02-20 | Sms Meer Gmbh | Rolling mill used for rolling semi-finished tools or rod materials comprises a rollers having a number of box grooves |
CN101470428A (en) * | 2007-12-27 | 2009-07-01 | 上海欧达电气成套设备工程有限公司 | Method for on-line drafting elastic curve of rolling mill |
CN101658863A (en) * | 2008-08-29 | 2010-03-03 | 中冶赛迪工程技术股份有限公司 | Compensation method of seamless steel pipe three-roll mill |
-
2009
- 2009-07-10 EP EP09165184A patent/EP2272599A1/en not_active Withdrawn
-
2010
- 2010-07-07 WO PCT/EP2010/059697 patent/WO2011003930A1/en active Application Filing
- 2010-07-07 EP EP10732916.1A patent/EP2451595B1/en not_active Revoked
- 2010-07-07 CN CN201080031151.3A patent/CN102470411B/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2011003930A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2272599A1 (en) | 2011-01-12 |
WO2011003930A1 (en) | 2011-01-13 |
EP2451595B1 (en) | 2014-06-25 |
CN102470411A (en) | 2012-05-23 |
CN102470411B (en) | 2015-01-28 |
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