EP2259882A1 - Betriebsverfahren für eine mehrgerüstige walzstrasse mit banddickenermittlung anhand der kontinuitätsgleichung - Google Patents
Betriebsverfahren für eine mehrgerüstige walzstrasse mit banddickenermittlung anhand der kontinuitätsgleichungInfo
- Publication number
- EP2259882A1 EP2259882A1 EP09714928A EP09714928A EP2259882A1 EP 2259882 A1 EP2259882 A1 EP 2259882A1 EP 09714928 A EP09714928 A EP 09714928A EP 09714928 A EP09714928 A EP 09714928A EP 2259882 A1 EP2259882 A1 EP 2259882A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolling
- stand
- thickness
- strip
- 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
- 238000005096 rolling process Methods 0.000 title claims abstract description 219
- 238000011017 operating method Methods 0.000 title claims description 31
- 238000001514 detection method Methods 0.000 title claims description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 21
- 238000004590 computer program Methods 0.000 claims description 16
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000013459 approach Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process 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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2273/00—Path parameters
- B21B2273/20—Track of product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
- B21B2275/04—Roll speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2275/00—Mill drive parameters
- B21B2275/02—Speed
- B21B2275/06—Product speed
-
- 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
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/165—Control of thickness, width, diameter or other transverse dimensions responsive mainly to the measured thickness 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
- B21B38/04—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring thickness, width, diameter or other transverse dimensions of the product
Definitions
- a rear thickness measuring device is often arranged downstream of the last rolling stand of the rolling train. This embodiment can also be maintained within the scope of the present invention. For each roll stand of the rolling mill, which is followed by a rear thickness gauge, it is possible
- the control device 13 is generally designed as a programmable control device 13, which executes a computer program 14 during operation.
- the computer program 14 in this case comprises machine code 15, which is directly executable by the control device 13.
- the execution of the machine code 15 in this case causes the control device 13 to operate the rolling mill in accordance with an operating method according to the invention.
- the computer program 14 may have already been deposited in the control device 13 during the production of the control device 13. Alternatively, it is possible to supply the computer program 14 to the control device 13 via a computer-computer connection.
- the computer-computer connection is not shown in FIG 1 here. It can be designed, for example, as a connection to a LAN or to the Internet.
- the measured variable vW is linked to the respective velocity vi to v5 of the strip 6 by means of a scaling factor.
- the linkage by means of a corresponding scaling factor can also be useful, although to a lesser extent, for measured variables vR that are detected by means of a laser 19 or a roller 20. For example, this will be explained in more detail below in connection with FIG. 7 for the roller 20.
- the front thickness measuring device 11 pre-allocate the front thickness measuring device 11 to the first rolling stand 1 and also to detect or determine the inlet-side speed v ⁇ of the strip 6 for the first rolling stand 1.
- the inlet-side speed v ⁇ for the first rolling stand 1 in particular the peripheral speed vR of the rollers of the front S-roller set 8 comes into question.
- the strip thickness d5 of the strip 6 emerging from the last roll stand 5 is determined directly in accordance with the procedure of FIG. 3. It only eliminates the detection of the final thickness d5 '(steps S26 and S27) and the taking of the other measures (step S29).
- the dimensional accuracy of the finished strip 6 can be significantly improved. This applies in particular to the area of slow travel (for example when threading in and out of the belt 6 or during the changeover between two belts 6 in continuous operation).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09714928T PL2259882T3 (pl) | 2008-02-27 | 2009-02-10 | Sposób eksploatacji walcowni wieloklatkowej z wyznaczaniem grubości taśmy na podstawie równania ciągłości |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008011275A DE102008011275A1 (de) | 2008-02-27 | 2008-02-27 | Betriebsverfahren für eine mehrgerüstige Walzstraße mit Banddickenermittlung anhand der Kontinuitätsgleichung |
PCT/EP2009/051503 WO2009106422A1 (de) | 2008-02-27 | 2009-02-10 | Betriebsverfahren für eine mehrgerüstige walzstrasse mit banddickenermittlung anhand der kontinuitätsgleichung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2259882A1 true EP2259882A1 (de) | 2010-12-15 |
EP2259882B1 EP2259882B1 (de) | 2013-01-30 |
Family
ID=40481996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09714928A Active EP2259882B1 (de) | 2008-02-27 | 2009-02-10 | Betriebsverfahren für eine mehrgerüstige walzstrasse mit banddickenermittlung anhand der kontinuitätsgleichung |
Country Status (8)
Country | Link |
---|---|
US (1) | US8186195B2 (de) |
EP (1) | EP2259882B1 (de) |
CN (1) | CN101959623B (de) |
BR (1) | BRPI0908531A2 (de) |
DE (1) | DE102008011275A1 (de) |
PL (1) | PL2259882T3 (de) |
RU (1) | RU2507016C2 (de) |
WO (1) | WO2009106422A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2460597A1 (de) * | 2010-12-01 | 2012-06-06 | Siemens Aktiengesellschaft | Verfahren zum Ansteuern einer Tandemwalzstrasse, Steuer- und/oder Regeleinrichtung für eine Tandemwalzstrasse, maschinenlesbarer Programmcode, Speichermedium und Tandemwalzstrasse |
CN102553934B (zh) * | 2010-12-15 | 2014-03-12 | 鞍钢股份有限公司 | 一种热轧硅钢前滑系数控制方法 |
EP2620233A1 (de) * | 2012-01-24 | 2013-07-31 | Siemens Aktiengesellschaft | Verfahren zur Bearbeitung von Walzgut in einem Warmwalzwerk |
DE102012222996A1 (de) * | 2012-12-11 | 2014-06-12 | Sms Siemag Ag | Verfahren zum Betrieb einer Walzanlage |
EP2823901A1 (de) | 2013-07-11 | 2015-01-14 | Siemens Aktiengesellschaft | Reversierwalzwerk mit frühestmöglicher Aktivierung einer Dickenregelung |
JP6222031B2 (ja) * | 2014-10-09 | 2017-11-01 | Jfeスチール株式会社 | 圧延機の制御方法及び制御装置 |
CN104384201B (zh) * | 2014-10-13 | 2016-04-27 | 南京钢铁股份有限公司 | 一种避免轧钢过程压下分配变化较大的方法 |
CN104324947A (zh) * | 2014-11-13 | 2015-02-04 | 广东华冠钢铁有限公司 | 一种轧板厚度的控制方法及其控制系统 |
EP3702058A1 (de) * | 2018-01-10 | 2020-09-02 | Nippon Steel Corporation | Formstahlwalzverfahren, formstahlherstellungslinie und formstahlherstellungsverfahren |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4011743A (en) * | 1976-04-20 | 1977-03-15 | Westinghouse Electric Corporation | Stand speed reference circuit for a continuous tandem rolling mill |
JPS58135711A (ja) | 1982-02-05 | 1983-08-12 | Toshiba Corp | 連続圧延機の制御方法およびその制御装置 |
JPS63137510A (ja) * | 1986-11-28 | 1988-06-09 | Kawasaki Steel Corp | 熱間連続圧延機における板厚制御方法 |
JPS63199011A (ja) * | 1987-02-16 | 1988-08-17 | Toshiba Corp | マスフロ−板厚演算装置 |
JP2718817B2 (ja) * | 1990-10-22 | 1998-02-25 | 株式会社東芝 | マスフロー板厚演算装置 |
JPH084819B2 (ja) * | 1991-08-23 | 1996-01-24 | 日新製鋼株式会社 | タンデム圧延機の板厚制御装置 |
RU2067905C1 (ru) * | 1993-04-23 | 1996-10-20 | Новосибирский научно-исследовательский институт авиационной технологии и организации производства | Способ автоматического регулирования толщины проката и устройство для его осуществления |
JP3062017B2 (ja) * | 1994-11-11 | 2000-07-10 | 新日本製鐵株式会社 | 熱間圧延における板厚制御方法 |
RU2156175C2 (ru) * | 1998-02-23 | 2000-09-20 | Акционерное общество открытого типа "Уральский завод тяжелого машиностроения" | Устройство ограничения регулирования толщины полосы на многоклетевом непрерывном стане холодной прокатки |
JP3615996B2 (ja) * | 2000-07-06 | 2005-02-02 | 東芝三菱電機産業システム株式会社 | 連続圧延機の板厚制御方法、パススケジュール算出方法及び板厚制御装置 |
RU2193937C1 (ru) * | 2001-04-23 | 2002-12-10 | Открытое акционерное общество "Уральский завод тяжелого машиностроения" | Способ управления внутренней клетью непрерывного стана холодной прокатки полосы |
-
2008
- 2008-02-27 DE DE102008011275A patent/DE102008011275A1/de not_active Withdrawn
-
2009
- 2009-02-10 BR BRPI0908531A patent/BRPI0908531A2/pt not_active IP Right Cessation
- 2009-02-10 CN CN2009801066751A patent/CN101959623B/zh active Active
- 2009-02-10 US US12/867,782 patent/US8186195B2/en not_active Expired - Fee Related
- 2009-02-10 WO PCT/EP2009/051503 patent/WO2009106422A1/de active Application Filing
- 2009-02-10 EP EP09714928A patent/EP2259882B1/de active Active
- 2009-02-10 PL PL09714928T patent/PL2259882T3/pl unknown
- 2009-02-10 RU RU2010139416/02A patent/RU2507016C2/ru not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2009106422A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009106422A1 (de) | 2009-09-03 |
CN101959623A (zh) | 2011-01-26 |
DE102008011275A1 (de) | 2009-09-10 |
US8186195B2 (en) | 2012-05-29 |
BRPI0908531A2 (pt) | 2015-09-29 |
US20100326155A1 (en) | 2010-12-30 |
EP2259882B1 (de) | 2013-01-30 |
RU2507016C2 (ru) | 2014-02-20 |
PL2259882T3 (pl) | 2013-06-28 |
CN101959623B (zh) | 2013-07-24 |
RU2010139416A (ru) | 2012-04-10 |
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