EP2864062A1 - Method for influencing the geometry of a rolled item in a controlled manner - Google Patents
Method for influencing the geometry of a rolled item in a controlled mannerInfo
- Publication number
- EP2864062A1 EP2864062A1 EP13729694.3A EP13729694A EP2864062A1 EP 2864062 A1 EP2864062 A1 EP 2864062A1 EP 13729694 A EP13729694 A EP 13729694A EP 2864062 A1 EP2864062 A1 EP 2864062A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- force
- control
- rolling
- rolling stock
- processing units
- 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
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 76
- 238000003754 machining Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000005098 hot rolling Methods 0.000 description 4
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 2
- 240000002834 Paulownia tomentosa Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
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
-
- 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
- B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/16—Guiding, positioning or aligning work immediately before entering or after leaving the pass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2273/00—Path parameters
- B21B2273/04—Lateral deviation, meandering, camber of product
-
- 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
- B21B37/68—Camber or steering control for strip, sheets or plates, e.g. preventing meandering
Definitions
- the invention relates to a method for the targeted influencing of the geometry of a rolling stock, wherein the rolling stock of egg ⁇ nem initial state by rolling with a rolling stand by means of at least one machining unit is transferred to an interim ⁇ schen- or final state.
- the invention further relates to a control and / or regulating device, a machine-readable program code and a data carrier.
- a rolling mill all the equipment needed for the production of rolled products can be combined.
- hot and cold rolling mills are differentiated.
- slabs or ingots, usually called brams for short are processed into hot strip. This hot forming is one of the methods that is the primary molding (ingot casting,
- the rolling stock is heated to tempera ⁇ ren to 1350 ° C preferably above which reduces Re ⁇ crystallization temperature in a roll nip of the rolling mill by pressure to a predetermined thickness.
- the Fer ⁇ tig usually steel or aluminum strip
- a plurality of rolling stands are combined to form a rolling mill in which ent ⁇ speaking the number of scaffold runs several roll passes are carried out.
- hot rolling mills a distinction is made between roughing and finishing lines, whereby the slab is pre-processed in the roughing mill and then rolled to its final dimensions in the usually five, six or seven-stand finishing train.
- the rolling stock to be rolled in a roughing train has a thickness progression across its width. has.
- the aim is usually to produce by means of rolling bands, which have on the one hand at the end of the finishing egg ⁇ ne substantially symmetrical to the band center running thickness across the width, ie, are free of wedges, and on the other hand, the least possible bending over the length of Have rolled good, ie are saber-free.
- Wedge shape of the rolling material results in the control process from the casting and subsequent cooling and Rothverarbei ⁇ tung, particularly halving, the cast slabs.
- a wedge-shaped rolling stock is to be rolled out into a slab having a substantially rectangular cross-section, the volume flow on the "thicker" side of the slab results in a greater flow of material, in particular longitudinal flow, than on the "thin" side of the slab slab.
- the consequence of this different material flow in the longitudinal direction of the rolling stock is the formation of a saber shape or a saber.
- a saber-shaped rolling stock can lead to difficulties in subsequent processing of the rolling stock.
- the formation of the saber can be so strong that further processing of the rolling stock is impossible.
- position-controlled processing units for applying a transverse force are known, for example side guides as described in WO2006 / 119984 or vertical stands (so-called Edger) for width control.
- the object underlying the invention is to enable an improvement in the geometry of a rolling stock, in particular in the machining ⁇ tung asymmetric roll goods.
- the object is achieved by a method for selectively influencing the geometry of a rolling stock, in particular a Vorbands, wherein the rolling stock of a ⁇ starting condition by rolling with the aid of a rolling stand, in particular ⁇ special a roughing stand, by means of at least one processing unit in an intermediate - or final state is transferred and wherein the at least one processing unit is operated under power control based on a desired force.
- a processing unit here is understood in particular as a vertical frame (edger), a side guide or a transverse force ⁇ device in the sense of the patent application "side guide for a rolling mill” with the application file 12168684.4, filed on 21.05.2012.
- a ASYMMET ⁇ step history of the rolled material can be particularly successfully counteracted by means of a suitably chosen force with which the processing unit acts on the rolled stock. This force is defined by the desired force, while the target power is a constant force or, alternatively, over time variable force curve. the previously applied Po ⁇ sitionsregelung the at least one machining unit is unsuitable for operation of the processing unit.
- w ird allows asymmetric rolling is processed by the power control of the at least one machining ⁇ processing unit a with respect to its thickness and / or width, so that the asymmetrical eliminated rie or at least greatly reduced.
- the force control can also be done with subordinate position control, ie the position is in a second, overlay
- the control loop is used to control the setpoint force.
- Derar ⁇ term cascade controls are known in the art.
- a processing unit is preferential ⁇ as force-controlled and operated the other working unit position control.
- the position-controlled processing unit is tracked in such a way the power-controlled processing unit, that a midpoint between the two processing units always remains in a predetermined position. If the desired force to be applied is overestimated, a pure force control can lead to an unwanted distortion of the material of the rolling stock, in which the saber changes its direction. To avoid this, the position-controlled Be ⁇ processing aggregate is moved closer to the rolling stock and takes the excessive power of the force-controlled machining unit on.
- the tracking of the position-controlled processing unit is implemented by control technology, by the center between the two processing units is not moved, but in particular always remains in the same place.
- the midpoint between the two machining ⁇ processing aggregates deviates conveniently from a center line of the stand off, but it can also lie on the center line of the rolling mill.
- the center between the processing units and a distance between the processing units are used for the regulation of the processing units.
- the center between the processing units is specified and the force control of one of the processing units via the adjustment of the distance between theffysaggre ⁇ gates.
- This type of force control in which the center and the distance between the two processing units are the control variables, is particularly easy to implement. In particular, since the center remains constant, only the distance between the changed both processing units. If it moves the force-controlled machining unit, which po ⁇ sitionsgeregelte processing unit is tracked to compensate for a possibly too high target power.
- the power control can not be Runaway ⁇ leads. Therefore, preferably, the first position control at least one Bear ⁇ beitungsaggregat moved up to the rolling stock and upon reaching the desired force by acting on the machining unit reaction force is switched to the force control.
- the first position control at least one Bear ⁇ beitungsaggregat moved up to the rolling stock and upon reaching the desired force by acting on the machining unit reaction force is switched to the force control.
- the position control of this machining ⁇ processing unit is switched to force control, so that the operations described above are performed.
- the wedging and / or saberiness of the rolling stock, in particular in the on ⁇ initial state, measured and on this basis, the desired force is determined for the force control.
- the distance between the processing units is calculated and fed as a controlled variable to the processing units.
- the geometry of the rolling ⁇ guts may change such that the wedge or camber change their side or direction.
- a change in the position of the wedging and / or the direction of the saberiness of the rolling stock is a change between the force-controlled and the position-controlled Processing unit. This means that if the saber form changes its direction during the rolling process, the force controlled machining unit is operated posi ⁇ tion controlled from the turning point earlier and earlier position-controlled machining unit is operated now under force control.
- the object is further achieved by a control and / or regulating device for selectively influencing the geometry of a rolling stock, with a machine-readable program code containing control commands and / or control commands, the control and / or regulating device for performing the method according to one of cause the above.
- the object is also achieved according to the invention by a machine-readable program code for a control and / or regulating device for selectively influencing the geometry of a rolling stock which contains control commands and / or re ⁇ yellow commands, the control and / or regulating device for performing the method according to cause one of the above.
- FIG. 1 shows a first plan view of a rolling mill
- a horizontal rolling stand 2 in particular ⁇ a special Vorgerüst shown, with the aid of a rolling stock 4, in particular a pre-strip, is rolled so that the rolling ⁇ well 4 from an initial state into an intermediate or Endzu - was transferred.
- the rolling stand 2 has a drive ⁇ side DS and an operating page OS.
- the rolling stand 2 are also assigned two processing units 6, 8, which are positioned on both sides of the rolling stock 4, as shown in FIG 2 can be seen.
- S denotes the distance between the processing units 6, 8.
- FIG 1 also have a center line 10 of the rolling mill 2, a center ⁇ lline 12 between the processing units 6, 8, as well as a midpoint 14 between the processing units 6, 8, which lies on the center line 12 is shown. As is also called an offset between the two center lines 10 and 12.
- the rolling stand 2 is in the illustrated embodiment in particular ⁇ special reversible, so that the rolling stock 4 changes its rolling 16 during operation several times.
- the function of the processing units 6, 8 is an asymmetric geometry of the material being rolled to 4 SUPPRESS ⁇ CKEN.
- one of the processing units 6, 8 in the embodiment of FIG 2, the processing unit 6) is operated under power control, which is indicated by the desired force signal F.
- the force-controlled machining unit 6 acts with a desired force F, which is based on the geometry of the rolling stock 4 is determined, the wedge or the saber shape opposite. In FIG. 2, only the processing unit 6 contacts the rolling stock 4, the second processing unit 8 is moved away from the rolling stock 4.
- a method for a position ⁇ a certain camber according to W02009 / 016086 is used for the processing of the rolled stock.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13729694.3A EP2864062B1 (en) | 2012-07-27 | 2013-06-13 | Method of influencing the geometry of a milled good in a targeted manner |
PL13729694T PL2864062T3 (en) | 2012-07-27 | 2013-06-13 | Method of influencing the geometry of a milled good in a targeted manner |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12178145.4A EP2689863A1 (en) | 2012-07-27 | 2012-07-27 | Method of influencing the geometry of a milled good in a targeted manner |
PCT/EP2013/062219 WO2014016045A1 (en) | 2012-07-27 | 2013-06-13 | Method for influencing the geometry of a rolled item in a controlled manner |
EP13729694.3A EP2864062B1 (en) | 2012-07-27 | 2013-06-13 | Method of influencing the geometry of a milled good in a targeted manner |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2864062A1 true EP2864062A1 (en) | 2015-04-29 |
EP2864062B1 EP2864062B1 (en) | 2016-09-28 |
Family
ID=48652053
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12178145.4A Withdrawn EP2689863A1 (en) | 2012-07-27 | 2012-07-27 | Method of influencing the geometry of a milled good in a targeted manner |
EP13729694.3A Active EP2864062B1 (en) | 2012-07-27 | 2013-06-13 | Method of influencing the geometry of a milled good in a targeted manner |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12178145.4A Withdrawn EP2689863A1 (en) | 2012-07-27 | 2012-07-27 | Method of influencing the geometry of a milled good in a targeted manner |
Country Status (7)
Country | Link |
---|---|
US (1) | US9776229B2 (en) |
EP (2) | EP2689863A1 (en) |
CN (1) | CN104507592B (en) |
BR (1) | BR112015001671A2 (en) |
PL (1) | PL2864062T3 (en) |
RU (1) | RU2647417C2 (en) |
WO (1) | WO2014016045A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2689863A1 (en) | 2012-07-27 | 2014-01-29 | Siemens Aktiengesellschaft | Method of influencing the geometry of a milled good in a targeted manner |
EP2910316A1 (en) * | 2014-02-21 | 2015-08-26 | Primetals Technologies Germany GmbH | Simple advance control of a wedge position of an advance frame |
EP2998040A1 (en) * | 2014-09-17 | 2016-03-23 | Primetals Technologies Germany GmbH | Width adjustment in a finishing train |
DE102020213243A1 (en) * | 2020-02-06 | 2021-08-12 | Sms Group Gmbh | Method and calibration of vertical rolls of a vertical rolling stand as well as calibration arrangement for carrying out the method |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU456652A1 (en) * | 1972-12-26 | 1975-01-15 | Криворожский Базовый Отдел N 30 Всесоюзного Научно-Исследовательского И Проектно-Конструкторского Института По Автоматизированному Электроприводу В Промышленности, Сельском Хозяйстве И На Транспорте | The control method of the manipulator ruler reversing crimp rolling mill |
SU977079A1 (en) * | 1981-06-30 | 1982-11-30 | за вители | Assembly for tracking and limiting mechanism path in blooming mill manipulator guard control automatic system |
JPS6257705A (en) * | 1985-09-04 | 1987-03-13 | Ishikawajima Harima Heavy Ind Co Ltd | Method and apparatus for controlling sheet width |
JPS6310018A (en) * | 1986-07-01 | 1988-01-16 | Ishikawajima Harima Heavy Ind Co Ltd | Strip edger |
JPH02104402A (en) * | 1988-10-14 | 1990-04-17 | Ishikawajima Harima Heavy Ind Co Ltd | Edger |
JPH02280905A (en) * | 1989-04-18 | 1990-11-16 | Ishikawajima Harima Heavy Ind Co Ltd | Edging device |
JP2687647B2 (en) * | 1990-02-07 | 1997-12-08 | 石川島播磨重工業株式会社 | Method and device for controlling lateral bending of rolled material |
JPH0669582B2 (en) * | 1990-10-23 | 1994-09-07 | 石川島播磨重工業株式会社 | Side guide control method |
JPH089042B2 (en) * | 1991-08-14 | 1996-01-31 | 新日本製鐵株式会社 | Method and device for setting reduction amount of vertical rolling mill |
JPH0663622A (en) * | 1992-08-14 | 1994-03-08 | Ishikawajima Harima Heavy Ind Co Ltd | Method for preventing plane bend of rolled stock and device therefor |
DE19713604A1 (en) * | 1997-04-02 | 1998-10-08 | Schloemann Siemag Ag | A position-controlled compression frame arranged upstream of a finishing train for continuously cast strip material |
JP4258588B2 (en) * | 1999-08-06 | 2009-04-30 | 株式会社Ihi | Hydraulic side guide control device and control method for rolled material |
DE102005021769A1 (en) | 2005-05-11 | 2006-11-23 | Sms Demag Ag | Method and device for selectively influencing the Vorbandgeometrie in a roughing stand |
JP4423618B2 (en) * | 2007-03-28 | 2010-03-03 | 株式会社日立製作所 | Rolling shape control method and rolling shape control system |
DE102007035283A1 (en) * | 2007-07-27 | 2009-01-29 | Siemens Ag | Method for setting a state of a rolling stock, in particular a Vorbands |
CN102245322B (en) * | 2009-06-23 | 2014-10-22 | Sms西马格股份公司 | Method and device for processing a slab |
CN101602065B (en) | 2009-07-07 | 2011-04-27 | 东北大学 | Micro-tracking method and system of rolled pieces in the process of rolling periodic variable-thickness strips |
DE102009042694A1 (en) * | 2009-09-23 | 2011-03-24 | Sms Siemag Ag | Modular guide device |
DE102009060823A1 (en) * | 2009-12-29 | 2011-06-30 | SMS Siemag AG, 40237 | Regulation of lateral guides of a metal strip |
CN102049418B (en) * | 2010-10-20 | 2014-04-23 | 上海宝立自动化工程有限公司 | Method for semi-automatically adjusting plate shape based on plate shape defects |
EP2666558A1 (en) | 2012-05-21 | 2013-11-27 | Siemens Aktiengesellschaft | Lateral guide for a mill train |
EP2689863A1 (en) | 2012-07-27 | 2014-01-29 | Siemens Aktiengesellschaft | Method of influencing the geometry of a milled good in a targeted manner |
-
2012
- 2012-07-27 EP EP12178145.4A patent/EP2689863A1/en not_active Withdrawn
-
2013
- 2013-06-13 BR BR112015001671A patent/BR112015001671A2/en not_active IP Right Cessation
- 2013-06-13 EP EP13729694.3A patent/EP2864062B1/en active Active
- 2013-06-13 WO PCT/EP2013/062219 patent/WO2014016045A1/en active Application Filing
- 2013-06-13 RU RU2015103124A patent/RU2647417C2/en active
- 2013-06-13 US US14/417,611 patent/US9776229B2/en active Active
- 2013-06-13 PL PL13729694T patent/PL2864062T3/en unknown
- 2013-06-13 CN CN201380039609.3A patent/CN104507592B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2014016045A1 * |
Also Published As
Publication number | Publication date |
---|---|
RU2015103124A (en) | 2016-09-20 |
US9776229B2 (en) | 2017-10-03 |
WO2014016045A1 (en) | 2014-01-30 |
US20150231679A1 (en) | 2015-08-20 |
EP2689863A1 (en) | 2014-01-29 |
EP2864062B1 (en) | 2016-09-28 |
BR112015001671A2 (en) | 2017-07-04 |
CN104507592B (en) | 2016-08-24 |
CN104507592A (en) | 2015-04-08 |
RU2647417C2 (en) | 2018-03-15 |
PL2864062T3 (en) | 2017-04-28 |
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