EP1720669A1 - Verfahren und einrichtung zum antreiben von stützrollen einer stranggiessmaschine für flüssige metalle, insbesondere für flüssige stahlwerkstoffe - Google Patents
Verfahren und einrichtung zum antreiben von stützrollen einer stranggiessmaschine für flüssige metalle, insbesondere für flüssige stahlwerkstoffeInfo
- Publication number
- EP1720669A1 EP1720669A1 EP05707040A EP05707040A EP1720669A1 EP 1720669 A1 EP1720669 A1 EP 1720669A1 EP 05707040 A EP05707040 A EP 05707040A EP 05707040 A EP05707040 A EP 05707040A EP 1720669 A1 EP1720669 A1 EP 1720669A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- support rollers
- strand
- torque
- drive support
- 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
- 238000009749 continuous casting Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 title claims abstract description 9
- 239000010959 steel Substances 0.000 title claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 title abstract 2
- 239000002184 metal Substances 0.000 title abstract 2
- 150000002739 metals Chemical class 0.000 title abstract 2
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 claims description 30
- 238000012937 correction Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 8
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000011067 equilibration Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009987 spinning 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
- B21B37/48—Tension control; Compression control
- B21B37/52—Tension control; Compression control by drive motor control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/20—Controlling or regulating processes or operations for removing cast stock
Definitions
- the strand guide for the casting strand which is cast in billet, slab or thin slab, pre-profile or block format, also serves as a discharge device which pulls the casting strand out of the continuous casting mold through the strand guide against its resistance.
- the strand guide consists of towed (non-driven) support rollers and a driven drive support roller located opposite one support roller.
- the drive support rollers transmit both guide and strand conveying forces in cooperation with the towed support rollers and are pressed against the casting strand with a defined contact force.
- the entirety of the drive support rollers overcomes the pull-out resistances to which the strand is subjected on its way through the strand guide.
- the sum of the drive torques (Mi - M n ) is determined from all active drives and an average is formed therefrom. This mean value is fed back to each drive as the target drive torque.
- a load balancing control is used to try to adjust the delivered drive torque of this drive to the setpoint by changing the speed (n soii - n) of the respective drive.
- One embodiment provides that the specific load capacity of a drive support roller is determined from the geometry of the strand guide, the ferrostatic height and / or the roller division.
- the set values are corrected according to other features in that the current contact forces of the piston-cylinder units of a strand support roller segment or a drive support roller and functional values of the casting format are traced back to the load balancing control.
- the accuracy of the control method can be increased by taking into account an unweighted overall factor formed from the specific load capacity, the dynamic factor and the additional correction factor.
- unweighted total factor is used to form a weighted total factor with the ratio of the number of all active drives to the sum of all unweighted factors of all active drives by multiplication.
- a device for driving drive support rollers of a continuous casting machine for liquid metals, in particular for liquid steel materials forms a strand guide for the casting strand from electrically driven, individual drive support rollers and / or from hydraulically adjustable strand support roller segments, a load balancing regulation for the drives are designed as the sum of the individual forces for the casting speed, engine torque, engine speed and usual correction factors.
- a speed controller is connected to the torque controller and a correction speed is transmitted to the electric motor.
- Fig. 2 shows the same overall side view of the continuous caster with the load balancing control according to the invention
- a control circuit is formed for each drive 10 (drive support rollers 7c and / or hydraulic piston-cylinder unit 11), to which the mean value of the rotary drive torques of all active drives 10 and the setpoint speed ns o ii is supplied.
- the mean value is fed to the controllers with the weighted total factor as the target value M s o ii, which converts this into a speed target value n soii.
- the drives 10 are taken into account which are suitable for the transmission of the rotary drive torque, ie are capable of being transmitted.
- the load balancing control 12 (FIG. 3) has an arithmetic block 13 for determining the torque distribution, the input variables 14 (number of drives “n”, values for the system-specific design of the strand guide 7, geometry data of the casting strand 1, wear condition of the drive support rollers 7c and the adjustment Forces F with actual value), whereby the load capacity of the individual drive support rollers 7c is also taken into account. Processing values are provided for the plant-specific design of the strand guide 7 and the geometry data of the casting strand 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Fluid-Pressure Circuits (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004010038A DE102004010038A1 (de) | 2004-03-02 | 2004-03-02 | Verfahren und Einrichtung zum Antreiben von Stützrollen einer Stranggießmaschine für flüssige Metalle, insbesondere für flüssige Stahlwerkstoffe |
| PCT/EP2005/000802 WO2005084841A1 (de) | 2004-03-02 | 2005-01-27 | Verfahren und einrichtung zum antreiben von stützrollen einer stranggiessmaschine für flüssige metalle, insbesondere für flüssige stahlwekstoffe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1720669A1 true EP1720669A1 (de) | 2006-11-15 |
| EP1720669B1 EP1720669B1 (de) | 2007-05-09 |
Family
ID=34853880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05707040A Expired - Lifetime EP1720669B1 (de) | 2004-03-02 | 2005-01-27 | Verfahren und einrichtung zum antreiben von stützrollen einer stranggiessmaschine für flüssige metalle, insbesondere für flüssige stahlwerkstoffe |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US7762312B2 (de) |
| EP (1) | EP1720669B1 (de) |
| JP (1) | JP2007526128A (de) |
| KR (1) | KR20070005610A (de) |
| CN (1) | CN1925932B (de) |
| AT (1) | ATE361796T1 (de) |
| CA (1) | CA2558481C (de) |
| DE (2) | DE102004010038A1 (de) |
| ES (1) | ES2285678T3 (de) |
| RU (1) | RU2369460C2 (de) |
| WO (1) | WO2005084841A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10821502B2 (en) | 2014-09-24 | 2020-11-03 | Sms Group Gmbh | Method and casting/rolling system for casting and rolling a continuous strand material |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004048618A1 (de) * | 2004-10-06 | 2006-04-13 | Sms Demag Ag | Verfahren und Rollensegment zum Bestimmen der Kernerstarrung und/oder der Sumpfspitze beim Stranggießen von Metallen, insbesondere von Stahlwerkstoffen |
| GB0712447D0 (en) | 2007-06-27 | 2007-08-08 | Pilkington Group Ltd | Heat treatable coated glass pane |
| CN103192044A (zh) * | 2013-04-19 | 2013-07-10 | 中冶连铸技术工程股份有限公司 | 一种拉坯辊的传动负荷控制方法和装置 |
| CN113798460B (zh) * | 2021-09-01 | 2022-11-25 | 中冶南方连铸技术工程有限责任公司 | 拉矫机系统及拉矫机传动装置负载系数的调整方法 |
| CN116274916A (zh) * | 2021-12-20 | 2023-06-23 | 斯凯孚公司 | 用于钢坯连铸过程的实时监测方法和稳定性分析方法 |
| DE102022208499A1 (de) * | 2022-08-16 | 2024-02-22 | Sms Group Gmbh | Verfahren und Computerprogrammprodukt zum Betreiben einer Gieß-Walzanlage |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090549A (en) * | 1974-07-12 | 1978-05-23 | United States Steel Corporation | Method and mechanism for determining forces on a solidifying casting |
| JPS55133855A (en) * | 1979-04-06 | 1980-10-18 | Hitachi Ltd | Control method of continuous casting machine |
| JPS56126061A (en) * | 1980-03-08 | 1981-10-02 | Yaskawa Electric Mfg Co Ltd | Control unit for ingot drawing device in continuous casting plant |
| JPS59225866A (ja) * | 1983-06-07 | 1984-12-18 | Nippon Steel Corp | 連続鋳造設備における鋳片引抜制御装置 |
| JPS60227958A (ja) * | 1984-12-06 | 1985-11-13 | Yaskawa Electric Mfg Co Ltd | 連続鋳造設備における鋳片引抜装置の制御方法 |
| JPS63154252A (ja) * | 1986-12-17 | 1988-06-27 | Kobe Steel Ltd | ピンチロ−ルの圧着検出方法 |
| DE3907905C2 (de) * | 1988-07-04 | 1999-01-21 | Mannesmann Ag | Stranggießverfahren |
| IT1262116B (it) * | 1993-05-17 | 1996-06-19 | Danieli Off Mecc | Procedimento di prelaminazione controllata per bramme sottili uscenti da colata continua e dispositivo relativo |
| JPH07136751A (ja) * | 1993-11-16 | 1995-05-30 | Kobe Steel Ltd | 連続鋳造設備における鋳片引抜ロールのトルクバランス制御方法 |
| JP3874220B2 (ja) * | 1997-11-21 | 2007-01-31 | 株式会社安川電機 | 連続鋳造設備のピンチロール速度制御装置 |
| JP4623619B2 (ja) * | 2001-07-18 | 2011-02-02 | 新日本製鐵株式会社 | 連続鋳造機の鋳片圧縮力制御装置 |
-
2004
- 2004-03-02 DE DE102004010038A patent/DE102004010038A1/de not_active Withdrawn
-
2005
- 2005-01-27 AT AT05707040T patent/ATE361796T1/de active
- 2005-01-27 US US10/591,518 patent/US7762312B2/en not_active Expired - Fee Related
- 2005-01-27 RU RU2006134625/02A patent/RU2369460C2/ru not_active IP Right Cessation
- 2005-01-27 KR KR1020067017897A patent/KR20070005610A/ko not_active Ceased
- 2005-01-27 ES ES05707040T patent/ES2285678T3/es not_active Expired - Lifetime
- 2005-01-27 JP JP2007501136A patent/JP2007526128A/ja active Pending
- 2005-01-27 DE DE502005000710T patent/DE502005000710D1/de not_active Expired - Lifetime
- 2005-01-27 EP EP05707040A patent/EP1720669B1/de not_active Expired - Lifetime
- 2005-01-27 CN CN2005800068817A patent/CN1925932B/zh not_active Expired - Fee Related
- 2005-01-27 CA CA2558481A patent/CA2558481C/en not_active Expired - Fee Related
- 2005-01-27 WO PCT/EP2005/000802 patent/WO2005084841A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005084841A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10821502B2 (en) | 2014-09-24 | 2020-11-03 | Sms Group Gmbh | Method and casting/rolling system for casting and rolling a continuous strand material |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080035300A1 (en) | 2008-02-14 |
| US7762312B2 (en) | 2010-07-27 |
| ES2285678T3 (es) | 2007-11-16 |
| WO2005084841A1 (de) | 2005-09-15 |
| KR20070005610A (ko) | 2007-01-10 |
| DE502005000710D1 (de) | 2007-06-21 |
| ATE361796T1 (de) | 2007-06-15 |
| DE102004010038A1 (de) | 2005-09-15 |
| EP1720669B1 (de) | 2007-05-09 |
| CA2558481C (en) | 2012-01-24 |
| CA2558481A1 (en) | 2005-09-15 |
| CN1925932B (zh) | 2010-12-08 |
| RU2006134625A (ru) | 2008-04-10 |
| CN1925932A (zh) | 2007-03-07 |
| RU2369460C2 (ru) | 2009-10-10 |
| JP2007526128A (ja) | 2007-09-13 |
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