WO2014006702A1 - 厚板マルチローリングの制御装置及び制御方法 - Google Patents

厚板マルチローリングの制御装置及び制御方法 Download PDF

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Publication number
WO2014006702A1
WO2014006702A1 PCT/JP2012/067087 JP2012067087W WO2014006702A1 WO 2014006702 A1 WO2014006702 A1 WO 2014006702A1 JP 2012067087 W JP2012067087 W JP 2012067087W WO 2014006702 A1 WO2014006702 A1 WO 2014006702A1
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WO
WIPO (PCT)
Prior art keywords
rolling
pattern
thick plate
patterns
function
Prior art date
Application number
PCT/JP2012/067087
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English (en)
French (fr)
Japanese (ja)
Inventor
正嗣 蓮澤
Original Assignee
東芝三菱電機産業システム株式会社
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 東芝三菱電機産業システム株式会社 filed Critical 東芝三菱電機産業システム株式会社
Priority to PCT/JP2012/067087 priority Critical patent/WO2014006702A1/ja
Priority to CN201280074500.9A priority patent/CN104428074B/zh
Priority to KR1020147035561A priority patent/KR101633579B1/ko
Priority to JP2014523481A priority patent/JP5907264B2/ja
Priority to BR112014032545-6A priority patent/BR112014032545B1/pt
Publication of WO2014006702A1 publication Critical patent/WO2014006702A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D11/00—Process control or regulation for heat treatments

Definitions

  • the present invention relates to a thick plate multi-rolling control device and control method.
  • TCR rolling temperature controlled rolling
  • a cooling standby time is provided during rolling.
  • a desired material such as high-strength steel can be obtained.
  • Multi-rolling is applied to TCR rolled material.
  • other rolled material is rolled during the cooling standby time of the rolled material. That is, a rolling process in which two or more rolled materials are combined proceeds simultaneously.
  • the present invention has been made to solve the above-described problems, and an object thereof is to provide a thick plate multi-rolling control device and control method capable of improving the productivity of rolled material.
  • the control device for thick plate multi-rolling according to the present invention has a plurality of multi-rolling patterns set in advance, and among the plurality of multi-rolling patterns, the most productive efficiency that can be realized in consideration of the actual rolling value during rolling.
  • a multi-rolling pattern selection function for selecting a multi-rolling pattern is provided.
  • the thick plate multi-rolling control method includes a setting step for setting a plurality of multi-rolling patterns, and among the plurality of multi-rolling patterns, the most productive efficiency that can be realized in consideration of a rolling actual value during rolling. And a selection step for selecting a good multi-rolling pattern.
  • the productivity of the rolled material can be improved.
  • FIG. FIG. 1 is a configuration diagram of a thick plate rolling line in which a control device for thick plate multi-rolling according to Embodiment 1 of the present invention is used.
  • a first transfer device 2 is provided on the downstream side of the heating furnace 1.
  • a rolling mill 3 is provided on the downstream side of the first conveying device 2.
  • a second conveying device 4 is provided on the downstream side of the rolling mill 3.
  • a cooling bed 5 is provided on the downstream side of the second transfer device 4.
  • the first transport device 2 is connected to a first transport device drive device 2a.
  • the rolling mill 3 is connected to a rolling mill driving device 3a.
  • the second transport device 4 is connected to a second transport device drive device 4a.
  • the first transport device 2 is provided with a first transport device sensor 2b.
  • the rolling mill 3 is provided with a rolling mill sensor 3b.
  • the second transport device 4 is provided with a second transport device sensor 4b.
  • the transport control function 6 has a function of controlling the first transport device drive device 2a, the rolling mill drive device 3a, and the second transport device drive device 4a.
  • the conveyance control function 6 has a function of outputting the actual rolling value obtained from the first conveyance device sensor 2b, the rolling mill sensor 3b, and the second conveyance device sensor 4b.
  • the pass schedule setting calculation function 7 has a function of calculating setting calculation values of each rolled material such as rolling time, cooling standby time, material length, and the like, and outputting the setting calculation values.
  • the pass schedule setting calculation function 7 has a function of sequentially correcting the setting calculation value based on the feedback of the actual rolling value output by the conveyance control function 6.
  • the thick plate multi-rolling operation optimization control device 8 includes a multi-rolling pattern selection function 9 and a multi-rolling management function 10.
  • the multi-rolling pattern selection function 9 sets a multi-rolling pattern having a different number of target rolling materials as a plurality of multi-rolling patterns.
  • the multi-rolling pattern selection function 9 has the highest production efficiency among the multi-rolling patterns that can be realized based on the setting calculation value of each rolled material obtained from the pass schedule setting calculation function 7 and the feedback of the actual rolling value.
  • a function of sequentially selecting a multi-rolling pattern and outputting the multi-rolling pattern is provided.
  • the multi-rolling management function 10 includes a set calculation value management unit 11 and a rolling process management unit 12.
  • the set calculation value management unit 11 has a function of managing the set calculation value of each rolled material obtained from the pass schedule setting calculation function 7 in association with each rolled material.
  • the rolling process management unit 12 is based on the multi-rolling pattern obtained from the multi-rolling pattern selection function 9 and the setting calculation value information obtained from the setting calculation value management unit 11 at each stage of the rolling process. It has a function of managing processes (rolling, conveyance, standby, etc.) and outputting instructions to the conveyance control function 6.
  • FIG. 2 is a diagram for explaining a method of optimizing a multi-rolling pattern using the thick plate multi-rolling control apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 represents the positional relationship between the rolling mill 3 and the rolled material.
  • the vertical axis in FIG. 2 represents time.
  • FIG. 2 the example of the multi rolling pattern of A material, B material, C material, and D material is represented.
  • the pass schedule setting calculation function 7 calculates setting calculation values for the A material, the B material, and the C material.
  • the multi-rolling pattern selection function 9 obtains an initial setting pattern for multi-rolling based on the setting calculation value.
  • the multi-rolling pattern selection function 9 determines whether the multi-rolling pattern to which the D material is added is optimal in consideration of the dead time 13. When the multi-rolling pattern to which the D material is added is optimum, as shown in FIG. 2C, the multi-rolling pattern selection function 9 selects the multi-rolling pattern to which the D material is added.
  • the multi-rolling pattern with the highest production efficiency that can be realized in consideration of the actual rolling value is selected in real time. Specifically, the multi-rolling pattern with the largest number of rolled materials is selected from the multi-rolling patterns that can be realized in consideration of the actual rolling value. For this reason, the productivity of the rolled material can be improved without degrading the quality of the rolled material.
  • the rolling of the C material may take longer than the calculated value.
  • the multi-rolling pattern selection function 9 determines that the D material is not extracted. For this reason, D material is not wasted. As a result, the productivity of the rolled material can be improved.
  • FIG. FIG. 3 is a configuration diagram of a thick plate rolling line in which the control device for thick plate multi-rolling according to Embodiment 2 of the present invention is used.
  • symbol is attached
  • the thick plate multi-rolling operation optimization control device 8 of the second embodiment is obtained by adding a set calculation value adjustment function 14 to the thick plate multi-rolling operation optimization control device 8 of the first embodiment. It is.
  • the set calculation value adjustment function 14 further optimizes the multi-rolling pattern by changing the set calculation values such as the cooling standby end temperature and the plate thickness during standby within the range in which the target material of the rolled material can be obtained.
  • a function for determining whether or not can be realized is provided.
  • the setting calculation value adjustment function 14 adjusts the setting calculation value.
  • the setting calculation value is fed back to the path schedule setting calculation function 7.
  • the pass schedule setting calculation function 7 corrects other setting calculation values so as to obtain a target material of the rolled material.
  • the productivity of the rolled material can be further improved by adding the set calculation value adjustment function 14.
  • FIG. FIG. 4 is a configuration diagram of a thick plate rolling line in which the control device for thick plate multi-rolling according to Embodiment 3 of the present invention is used.
  • symbol is attached
  • the thick plate multi-rolling operation optimization control device 8 of the third embodiment is obtained by adding a mill pacing function 15 to the thick plate multi-rolling operation optimization control device 8 of the first embodiment. .
  • the mill pacing function 15 has a function of calculating an optimum timing for extracting the rolled material from the heating furnace 1 in order to realize the multi-rolling pattern obtained by the multi-rolling pattern selection function 9.
  • FIG. 5 is a diagram for explaining a method of adjusting the timing for extracting the rolling material from the heating furnace using the thick plate multi-rolling control apparatus according to Embodiment 3 of the present invention.
  • FIG. 5A shows a case where the first to fifth rolled materials are extracted at good timing.
  • FIG.5 (b) shows the case where the 3rd rolling material is extracted at an early timing.
  • the primary rolling time 16, the cooling standby time 17, and the secondary rolling time 18 are set for each rolled material.
  • the timing for extracting each rolled material is good, as shown in FIG. 5A, the primary rolling time 16 and the secondary rolling time 18 of each rolled material are the primary rolling time 16 of other rolled materials, Does not overlap with secondary rolling time 18. For this reason, it is possible to perform multi-rolling as scheduled.
  • the mill pacing function 15 calculates the optimal timing for extracting the subsequent rolled material so as to perform rolling with an optimal multi-rolling pattern.
  • the relationship between the already extracted rolled material and the subsequent primary rolling time 16, cooling standby time 17, and secondary rolling time 18 is considered.
  • the subsequent rolling material is extracted so that the primary rolling time 16 and the secondary rolling time 18 of each rolled material do not overlap with the primary rolling time 16 and the secondary rolling time 18 of other rolled materials. Timing is calculated.
  • the yield is increased. It can be improved further.
  • control device and control method for thick plate multi-rolling according to the present invention can be used for thick plate multi-rolling for improving the productivity of rolled material.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Metal Rolling (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
PCT/JP2012/067087 2012-07-04 2012-07-04 厚板マルチローリングの制御装置及び制御方法 WO2014006702A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/JP2012/067087 WO2014006702A1 (ja) 2012-07-04 2012-07-04 厚板マルチローリングの制御装置及び制御方法
CN201280074500.9A CN104428074B (zh) 2012-07-04 2012-07-04 厚板多线轧制的控制装置及控制方法
KR1020147035561A KR101633579B1 (ko) 2012-07-04 2012-07-04 후판 멀티 롤링의 제어 장치 및 제어 방법
JP2014523481A JP5907264B2 (ja) 2012-07-04 2012-07-04 厚板マルチローリングの制御装置及び制御方法
BR112014032545-6A BR112014032545B1 (pt) 2012-07-04 2012-07-04 Dispositivo de controle e método de controle para multienrolamento de placa espessa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/067087 WO2014006702A1 (ja) 2012-07-04 2012-07-04 厚板マルチローリングの制御装置及び制御方法

Publications (1)

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WO2014006702A1 true WO2014006702A1 (ja) 2014-01-09

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JP (1) JP5907264B2 (pt)
KR (1) KR101633579B1 (pt)
CN (1) CN104428074B (pt)
BR (1) BR112014032545B1 (pt)
WO (1) WO2014006702A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018117758A1 (ko) * 2016-12-22 2018-06-28 주식회사 포스코 후판 멀티 롤링 장치 및 이의 제어 방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0760320A (ja) * 1993-08-26 1995-03-07 Nippon Steel Corp 厚板圧延方法
JPH07185623A (ja) * 1993-12-27 1995-07-25 Toshiba Corp 熱間連続圧延システムにおける抽出ピッチ決定装置
JPH08155513A (ja) * 1994-12-02 1996-06-18 Kobe Steel Ltd ミルペーシング方法
JP2003305508A (ja) * 2002-04-08 2003-10-28 Jfe Steel Kk 圧延要領決定方法
JP2007098468A (ja) * 2005-09-12 2007-04-19 Jfe Steel Kk 熱間圧延設備およびそれを用いた熱間圧延方法
JP2007283316A (ja) * 2006-04-13 2007-11-01 Nippon Steel Corp 厚鋼板の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946682B2 (ja) * 1981-03-26 1984-11-14 住友金属工業株式会社 厚板圧延方法
JP3621915B2 (ja) * 2001-12-11 2005-02-23 新日本製鐵株式会社 厚鋼板圧延方法
JP2005246427A (ja) 2004-03-04 2005-09-15 Nippon Steel Corp スラブの圧延方法
JP5170240B2 (ja) * 2008-05-07 2013-03-27 東芝三菱電機産業システム株式会社 圧延機の板厚制御装置
JP5616673B2 (ja) * 2010-04-13 2014-10-29 東芝三菱電機産業システム株式会社 仕上連続圧延機の制御装置、制御方法及び制御パターン作成方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0760320A (ja) * 1993-08-26 1995-03-07 Nippon Steel Corp 厚板圧延方法
JPH07185623A (ja) * 1993-12-27 1995-07-25 Toshiba Corp 熱間連続圧延システムにおける抽出ピッチ決定装置
JPH08155513A (ja) * 1994-12-02 1996-06-18 Kobe Steel Ltd ミルペーシング方法
JP2003305508A (ja) * 2002-04-08 2003-10-28 Jfe Steel Kk 圧延要領決定方法
JP2007098468A (ja) * 2005-09-12 2007-04-19 Jfe Steel Kk 熱間圧延設備およびそれを用いた熱間圧延方法
JP2007283316A (ja) * 2006-04-13 2007-11-01 Nippon Steel Corp 厚鋼板の製造方法

Also Published As

Publication number Publication date
BR112014032545A2 (pt) 2017-06-27
BR112014032545B1 (pt) 2022-02-22
JP5907264B2 (ja) 2016-04-26
JPWO2014006702A1 (ja) 2016-06-02
CN104428074A (zh) 2015-03-18
KR101633579B1 (ko) 2016-06-24
KR20150011837A (ko) 2015-02-02
CN104428074B (zh) 2016-10-12

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