CN101811182A - Process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill - Google Patents
Process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill Download PDFInfo
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- CN101811182A CN101811182A CN200910046640A CN200910046640A CN101811182A CN 101811182 A CN101811182 A CN 101811182A CN 200910046640 A CN200910046640 A CN 200910046640A CN 200910046640 A CN200910046640 A CN 200910046640A CN 101811182 A CN101811182 A CN 101811182A
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Abstract
The invention relates to a process for the online cut-to-length cutting production of continuous casting slabs for a heavy plate mill. The process comprises the following steps: long slab reception; span-transversing; width centering; length and temperature measurement; cut-to-length slab mark spraying; cut-to-length cutting; cutting burr removing; unloading; and storing, wherein three pairs of flame cutting machines are distributed in a series-connection manner on the cutting line. Accordingly, the process of the invention is capable of simultaneously cutting two long slabs on-line according to various requirements for cut-to-length cutting; the process of the invention has the advantages of high production efficiency and small equipment occupied area; the cut-to-length cutting procedure has little impact on the main production line for continuous casting and heavy-plate milling; the process is capable of carrying out the mixed cutting process on cold and hot slabs, thus being favoring for the hot-loading and hot-feeding processes of slabs. Accordingly, the process of the invention is widely applicable to the online cut-to-length cutting production of the continuous casting slabs for the heavy plate plant.
Description
Technical field
The present invention relates to process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill.By the continuous mode of production, the continuous casting long slab base that steel mill is imported by roller-way cuts into the required cut lengths slab of heavy plate mill, shorten slab in the storehouse time, realize the hot charging of continuous casting steel billet, the continuous casting steel billet of different temperatures, different size is carried out mixed high-efficient scale cutting production technology.
Background technology
Progress along with continuous casting technology, the Thick Plate Plant needed raw material mainly adopts continuous casting steel billet, during conticaster casting slab, because the cutting of slab length needs to be complementary with the conticaster pulling rate, usually in 6～10m scope, slab adds man-hour to Cutting Length of continuous casting steel billet on heavy plate mill, and need changeing 90 ° of steel, to carry out broadening rolling, to roll into different finished widths, meet consumers' demand with a small amount of width specifications slab.Therefore the used slab length of heavy plate mill must be less than milling train size (barrel length), for example: 5m size milling train, spendable slab maximum length is 4.8m.For this reason, need the long base of continuous casting is carried out the scale cutting, could satisfy the needs of heavy plate mill.
At present, domestic Thick Plate Plant extensively adopts the artificial flame cutting method of off-line, adopt manual method to long base rule, artificial flame cuts, manually retouches slab number, the cutting burr that is trapped in slab bottom easy-clear not, influences plate surface quality.Because adopt artificial cutting, production efficiency is low, slab is long in the storehouse time, has reduced the temperature that heat send slab to pack heating furnace into, and restriction steel slab temperature improves.
External open source literature: [Chuan Qi System iron skill Reported, Vol.10 (1978) No.4, the 328: Shui Island System iron To お け of institute Ru vertical loop ば Xing Even Zhu Jian Let と grasp industry], Kawasaki Steel (existing JFE) water island system iron institute, two scale lines of cut have been arranged in parallel in the slab conticaster factory building, article one, line has been arranged two pairs of flame cutting machines, and another line is arranged a pair of flame cutting machine.The operation initial stage is considered cost of investment, builds earlier a line wherein, arranges two pairs of flame cutting machines on the line, and another line is reserved, design year cutting power be 1,400,000 tons.Along with the operation of new 5.5m heavy plate mill, heavy plate mill has been built a scale line of cut of reserving with the raising of slab demand, forms two scale lines of cut, has three pairs of flame cutting machines and arranges.Owing to two groups of roller-ways need be set, so equipment investment is big, it is big, uneconomical that while equipment accounts for the reservoir area area.
And for example external open source literature: [Sumitomo Metal Industries, Vol.50 (1998) No.1,71: slab is from Moveization へ Qu り Group body], in the nineties in last century, Sumitomo Metal Industries' deer island Thick Plate Plant in the slab storehouse on new the special-purpose scale line of cut of hot charging slab, two pairs of flame cutting machines are set on the line.The scale line of cut is connected by Traverse Displacement Unit with the slab furnace charging table, removing to cut the burr machine is arranged on the heating furnace furnace charging table, if flash trimmer fault or deburring effect are bad, slab needs processed offline, have influence on slab shove charge and main roll line production, this layout makes and lacks flexibility between long base scale line of cut and main roll line, is unfavorable for producing.The maximum length of this factory director's base is limited within the 9m, the ratio that such block length base cuts into three scale bases descends, help improving secondary cut line ability, but can't satisfy 1,800,000 tons of continuous casting steel billet amounts of two-shipper frame heavy plate mill demand, a large amount of cold charge slabs still need off-line manually to cut.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides the cold and hot long base mixing scale cutting of a kind of high-effect adaptation, adapt to steel slab, and continuous casting working procedure and main roll line between have flexible connecting, process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill that floor space is little.
The technical scheme of being taked that the present invention solves its technical problem is:
A kind of process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill, comprise that the long base of continuous casting receives, long base cross stride traversing, width centering, long base surveys long and burr is cut in thermometric, scale base mark jet printing, scale cutting, removing, weigh, discharging, warehouse-in; Three of arranged in series pairs of cutting machines on the line of cut according to the measured length and the temperature of long base, cut into the scale slab of fabrication order requirement length simultaneously to two block length bases.
Particularly, the production technology of the online scale cutting of continuous casting slabs for heavy plate mill of the present invention comprises the steps:
A) receive continuous casting long slab base;
B) long base cross stride traversing;
C) long base width centering;
D) long base is surveyed long, thermometric;
E) scale slab mark jet printing;
F) scale cutting: long base adopts unit or two-shipper cutting on 1,2, No. 3 cutting machine that tandem is arranged, wherein No. 2 cutting machines are portable, and front and back two boards base can carry out online cutting simultaneously; According to concrete split requirement, adopt different cutting techniques, divide continuously all two, continuously all three, all two with all three three kinds of cut mode alternately;
G) remove cutting burr, discharging, warehouse-in.
Further, described all two cut mode continuously are: the long base base of input all need cut into two scale bases continuously, this moment, two block length bases cut on wherein two platforms in 1,2, No. 3 cutting machine simultaneously, according to thickness, the width of front and back slab, chose flexibly.
Described all three cut mode continuously are: the long base of input all need cut into three scale bases continuously, all slabs of three of need for continuous input, first block of slab cuts on 2, No. 3 cutting machines, simultaneously, second block of slab carries out the cutting first time at No. 1 cutting machine, after finishing, this slab carries out the cutting second time again on No. 3 cutting machines; Meanwhile, follow-up the 3rd block of slab cuts at 1, No. 2 cutting machine.
Described all two with all three alternately cut mode be: need all two, the second blocks of slabs to need all three, the first blocks of slabs on No. 3 cutting machines, to cut as first block of slab; Simultaneously, second block of slab cuts on 1, No. 2 cutting machine; If opposite, first block of slab need all three, the second blocks of slabs need all two, then first block of slab cuts on 2, No. 3 cutting machines; Simultaneously, second block of slab cuts on No. 1 cutting machine.
Again, step a can also be according to producing the temporarily long base of needs (as the no contract) warehouse-in that rolls off the production line, the cutting of reaching the standard grade again after (contract to be mixed).
In addition, the present invention onlinely carries out continuous cold long base, the long base of Continuous Heat, cold and hot long base mixes cutting.
Have, cutting machine of the present invention adopts flame cutting machine again.
The present invention is compared with the prior art, and has following difference and advantage:
1, the long base scale of continuous casting cutting action and being connected of operation up and down:
Connect the steel plant continuous casting operation on the long base scale of the continuous casting cutting action, connect slab factory owner roll line down.The scale cutting action should be taken into account with the effective of inter process up and down to be connected that need consider that logistics is smooth and easy, the operation interface should adopt and flexibly connect, and reducing the scale cutting action influences upper and lower operation.Consider from energy-conservation angle, should be compact shape between Thick Plate Plant and the steel mill and arrange, reduce the temperature drop of hot slab in transportation, shove charge in time after the long base scale cutting reduces slab heating energy consumption.
JFE water island slab continuous casting steel billet scale line of cut is arranged on steel plant continuous casting workshop side, slab after the scale cutting needs to be transported to Thick Plate Plant slab storehouse with specialized truck, and the scale base needs to be transported to Thick Plate Plant slab storehouse with truck, continuous casting and slab are remote layout, are unfavorable for steel slab.
Sumitomo Metal Industries' deer island Thick Plate Plant slab scale tangent line, the scale line of cut is connected by Traverse Displacement Unit with the slab furnace charging table, removing to cut the burr machine is arranged on the heating furnace furnace charging table, if flash trimmer fault or deburring effect are bad, slab needs processed offline, have influence on slab shove charge and main roll line production, this layout makes and lacks flexibility between slab scale line of cut and main roll line, is unfavorable for producing.
Continuous casting of the present invention and Thick Plate Plant are compact Layout, the long base of continuous casting is directly delivered to the reception of Thick Plate Plant slab by roller-way and is striden, hot base transportation temperature drop is little, help organizing steel slab, cut down the consumption of energy and the slab cost of transportation, scale line of cut and heating furnace furnace charging table are thrown off layout, are to flexibly connect, and be little to main roll line influence.
2, cutting technique superiority:
JFE water island system iron institute, slab adopts two scale lines of cut with continuous casting billet, is to be arranged in parallel, a line has wherein been arranged two pairs of cutting guns, and another line is arranged a pair of cutting gun, because two groups of roller-ways need be set, therefore equipment investment is big, and it is big, uneconomical that while equipment accounts for the reservoir area area.
Sumitomo Metal Industries' deer island Thick Plate Plant, hot charging slab scale tangent line has been arranged two pairs of flame cutting machines, cutting power is restricted, therefore the maximum length of the long base of continuous casting is limited within the 9m, has influence on the performance of conticaster production capacity, and the cold drawing base that accounts for slab total amount 1/3 in addition still needs off-line manually to cut.
The present invention adopts a scale line of cut, arrange three pairs of flame cutting machines on the line, at the cutting demand, can adopt different cutting techniques, divide continuously all two, continuously all three, all two with all three three kinds of cutting modes alternately, cut two blocks of continuous casting steel billets simultaneously, improved production efficiency, year cutting scale slab ability satisfies the demand of two-shipper frame heavy plate mill greater than 1,800,000 tons.
3, the present invention realizes hot and cold slab is implemented the cutting of on-line mixing scale:
Sumitomo Metal Industries' deer island slab factory director base scale line of cut only carries out online cutting to the hot charging slab, and the cold drawing base still needs off-line manually to cut.The present invention measures long base temperature when the long slab base is measured, can realize that hot and cold base is online to mix cutting.Rolling off the production line is deposited in the long base accepting to stride behind the contract of mixing, and can reach the standard grade to carry out cold cut and cut again, deficiency such as avoid that cold base cuts manually that the Cutting Length precision of existence is low, handmarking's slab number is not known.
Beneficial effect of the present invention
1. the long base of continuous casting is imported by roller-way, directly links to each other with the scale line of cut, reduces slab transportation temperature drop, improves the charging temperature that heat is sent slab, reduces the cost of transportation of long base.
2. scale line of cut and slab receive and to stride arranged apartly, can stride off-line in reception to the no contract slab that receives and stack, and between continuous casting for flexibly connecting, the scale cutting is produced flexible.
3. slab scale line of cut and heating furnace furnace charging table are and throw off layout, eliminate the interference of scale line of cut to main roll line.
4. online temperature survey is carried out in cutting to long base, realizes that hot and cold base is online to mix cutting.Rolling off the production line to be deposited in receives the long base stride behind the contract of mixing, and can reach the standard grade to carry out cold cut and cut again, and avoids cold base manually to cut problem, the problem includes: problem such as the Cutting Length precision is low, handmarking's slab number is not known.
5. adopt a scale line of cut, floor space is little, arrange three pairs of flame cutting machines on the line, two blocks of continuous casting steel billets of online cutting simultaneously, improved production efficiency, the long base maximum length of the continuous casting of input can reach 10.2m, gives full play to conticaster output, scale base cutting power satisfies the demand of two-shipper frame heavy plate mill greater than 1,800,000 tons.
Description of drawings
Fig. 1 is a technological process of production block diagram of the present invention;
Fig. 2 is present device technology arrangement figure;
Fig. 3 a, Fig. 3 b, Fig. 3 c are three kinds of cut mode schematic diagrames of the present invention.
The specific embodiment
Referring to Fig. 1, Fig. 2, the long slab base by the steel mill slab caster is produced is transported to the reception of Thick Plate Plant raw material storage slab by roller-way and strides interior the reception on the roller-way, receives long slab base 1 at this.After finishing long slab base identity and checking, to wherein there being the long base off-line warehouse-in 2 of contract, wait the contract of mixing after the off-line slab reach the standard grade 3 again.Long base that contract is arranged then directly crossed by the slab drag-over unit stride traversing 4 and deliver on the slab receiving table of the secondary cut line of cutting in striding.Long base is transported to the enterprising line width centering 5 of centering roller-way.Long base is transported to and surveys long base length, temperature survey 6 on length, the spray printing roller-way after the centering, carries out scale base mark jet printing 7 by producing command request then.After above-mentioned steps is finished, long base is transported on the cutting roller-way, according to producing instruction, carry out scale flame cutting 8, slab cuts on 1#, 2# that tandem is arranged, 3# flame cutting machine, wherein the 2# flame cutting machine is portable, and front and back two boards base can cut on different cutting machines simultaneously.At the cutting demand, can choose continuously all two, continuously all three, all two with all three three kinds of cut mode wherein a kind of alternately.Scale base after the cutting is transported on the flash trimmer roller-way; The scale base is transported on the discharging roller table by scale base runout table after flash trimmer is removed cutting burr 9.Through crane discharging, warehouse-in 10.
The major parameter of cutting machine comprises: cutting slab maximum ga(u)ge is 300mm, cutting slab Breadth Maximum 2300mm, 850 ℃ of the maximum temperatures of cutting slab.Maximum cutting rate: for 300mm thickness, the cold base 155mm/s of AH36 steel grade, 750 ℃ of hot base 300mm/s; For 220mm thickness, the cold base 245mm/s of AH36 steel grade, 750 ℃ of hot base 440mm/s.Scale slab minimum length 2.6m, maximum length 4.8m, the continuous casting long slab base maximum length 10.2m that can cut, minimum length 6.8m.
Scale cutting zone major control function: according to the instruction scale piece number of the measurement length of long base, long base correspondence and each length, consider board briquette simultaneously, finally determine the Cutting Length of scale base.The board briquette measured value is passed to the flame cutting machine computer simultaneously, is used to choose cutting speed, and in order to improve shear efficiency, front and back two block length bases enter cutting roller-way zone in groups simultaneously and implement cutting.
Referring to Fig. 3 a, the present invention is all two cut mode continuously:
Refer to that the long base of input all need cut into two scale bases continuously.No. 3 cuttings of in advance long base A input roller-way positions, carry out one-to-two by No. 3 cutting machines and cut into two scale base 1*, 2*, No. 2 cuttings of follow-up long base B input roller-way positions, and carries out one-to-two by No. 2 cutting machines and cuts into two scale bases, and the like, label 1,2 is represented respectively.
Referring to Fig. 3 b, the present invention is all three cut mode continuously:
Refer to that the long base of input all need cut into three scale bases continuously.No. 3 cuttings of in advance long base A input roller-way positions, No. 2 flame cutting machine positions to No. 3 flame cutting machine side shiftings, two cutting machine spacings equal second scale base of long base A length, and long base A carries out cutting in one minute three three scale base 1*2*, 3* by 2, No. 3 flame cutting machines simultaneously; Simultaneously, No. 1 cutting of follow-up slab B input roller-way positions, carry out one-to-two earlier by No. 1 flame cutting machine and cut into scale base B-1, rough segmentation base B-2, three scale bases after long base A cutting is finished, first scale base B-1 of long base B, operation is carried downstream.The rough segmentation base B-2 of long then base B enters No. 3 cutting roller-ways and positions, and the final one-to-two cutting by the rough segmentation base B-2 of No. 3 long base B of cutting machine cuts into two scale bases; Simultaneously, No. 1 cutting of follow-up long base C input roller-way positions, and No. 2 cutting machine positions to No. 1 cutting machine side shifting, and two cutting machine spacings equal second scale base of long base C length, by No. 1, No. 2 flame cutting machines long base C is carried out cutting in one minute three three scale bases, and the like.
Referring to Fig. 3 c, the present invention all two, all three cut mode alternately:
Have one all need cut into two scale bases among long base A, the B for input in groups, another piece need cut into three scale bases, in two kinds of situation:
Situation one: long base A be all three, long base B be all two.At this moment, long base A positions at No. 3 cutting roller-ways, No. 2 flame cutting machine positions to No. 3 flame cutting machine side shiftings, and two cutting machine spacings equal second scale base of long base A length, and long base A carries out cutting in one minute three three scale base 1*, 2*, 3* by 2, No. 3 cutting machines simultaneously.No. 1 cutting of slab B input roller-way positions, and carries out one-to-two by No. 1 cutting machine and cuts into two scale base 1*, 2*.
Situation two: long base A be all two, long base B be all three.At this moment, long base A locatees on No. 3 cutting roller-ways, by No. 3 flame cutting machines it is carried out one-to-two and cuts into two scale base 1*, 2*; Simultaneously, long base B positions at No. 1 cutting roller-way, No. 2 flame cutting machine positions to No. 1 flame cutting machine side shifting, two flame cutting machine spacings equal second scale base of long base B length, and long base B carries out cutting in one minute three three scale base 1*, 2*, 3* simultaneously by 1, No. 2 flame cutting machine.
When slow, perhaps the long slab base only needs all 2 o'clock from steel mill input long slab base rhythm, is deposited in the long base that receives in striding behind the contract of mixing, and can reach the standard grade again and carry out efficient online cutting.
Claims (8)
1. process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill, comprise that the long base of continuous casting receives, long base cross stride traversing, width centering, long base surveys long and burr is cut in thermometric, scale base mark jet printing, scale cutting, removing, weigh, discharging, warehouse-in; Three of arranged in series pairs of cutting machines on the line of cut according to the measured length and the temperature of long base, cut into the scale slab of fabrication order requirement length simultaneously to two block length bases.
2. as the production technology of the online scale cutting of claim 1 continuous casting slabs for heavy plate mill, comprise the steps:
A) receive continuous casting long slab base;
B) long base cross stride traversing;
C) long base width centering;
D) long base is surveyed long, thermometric;
E) scale slab mark jet printing;
F) scale cutting:
Long base adopts unit or two-shipper cutting on 1,2, No. 3 cutting machine that tandem is arranged, wherein No. 2 cutting machines are portable, and front and back two boards base can carry out online cutting simultaneously; According to concrete split requirement, adopt different cutting techniques, divide continuously all two, continuously all three, all two with all three three kinds of cut mode alternately;
G) remove cutting burr, discharging, warehouse-in.
3. process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill as claimed in claim 2, it is characterized in that: described all two cut mode continuously are: the long base base of input all need cut into two scale bases continuously, this moment, two block length bases cut on wherein two platforms in 1,2, No. 3 cutting machine simultaneously, according to thickness, the width of front and back slab, choose flexibly.
4. process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill as claimed in claim 2, it is characterized in that: described all three cut mode continuously are: the long base of input all need cut into three scale bases continuously, all slabs of three of need for continuous input, first block of slab cuts on 2, No. 3 cutting machines, simultaneously, second block of slab carries out the cutting first time at No. 1 cutting machine, and after finishing, this slab carries out the cutting second time again on No. 3 cutting machines; Meanwhile, follow-up the 3rd block of slab cuts at 1, No. 2 cutting machine.
5. process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill as claimed in claim 2, it is characterized in that: described all two with all three alternately cut mode be: as first block of slab need all two, second block of slab needs all three, the first blocks of slabs to cut on No. 3 cutting machines; Simultaneously, second block of slab cuts on 1, No. 2 cutting machine; If opposite, first block of slab need all three, the second blocks of slabs need all two, then first block of slab cuts on 2, No. 3 cutting machines; Simultaneously, second block of slab cuts on No. 1 cutting machine.
6. process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill as claimed in claim 2 is characterized in that, and: step a can also be according to producing the temporarily long base of the needs warehouse-in that rolls off the production line, after the cutting of reaching the standard grade again.
7. process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill as claimed in claim 2 is characterized in that: onlinely carry out continuous cold long base, the long base of Continuous Heat, cold and hot long base mixes cutting.
8. process for online cut-to-length cutting production of continuous casting slabs for heavy plate mill as claimed in claim 1 or 2 is characterized in that: cutting machine adopts flame cutting machine.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101954512A (en) * | 2010-09-17 | 2011-01-26 | 重庆钢铁(集团)有限责任公司 | Medium-thick plate cut-to-length shearing method |
| CN102581241A (en) * | 2012-02-27 | 2012-07-18 | 柳州钢铁股份有限公司 | Secondary automatic cutting system of continuous casting slab |
| CN104250685A (en) * | 2013-06-25 | 2014-12-31 | 宝山钢铁股份有限公司 | Spaced charging control method based on slab actual-measured width |
| CN105710323A (en) * | 2016-02-16 | 2016-06-29 | 山东钢铁股份有限公司 | Cut-to-length measuring method and system for slabs |
| WO2016184257A1 (en) * | 2015-05-20 | 2016-11-24 | 宝山钢铁股份有限公司 | Equipment for automatic shearing of cold-rolled variable thickness plate, and shearing method based on same |
| CN110639952A (en) * | 2018-10-17 | 2020-01-03 | 广东韶钢松山股份有限公司 | Hot conveying method for medium plate blank |
| CN111014605A (en) * | 2019-12-12 | 2020-04-17 | 唐山不锈钢有限责任公司 | Online real-time measurement system and calculation method for width and length of casting blank |
| CN113385649A (en) * | 2021-05-29 | 2021-09-14 | 凌源钢铁股份有限公司 | Casting blank tracking marking method and system based on PLC and WINCC |
| CN114147196A (en) * | 2021-12-09 | 2022-03-08 | 宝钢湛江钢铁有限公司 | Method for cutting medium plate blank with fast rhythm |
| CN115156661A (en) * | 2022-08-16 | 2022-10-11 | 山东钢铁集团永锋临港有限公司 | Automatic cutting speed adjusting method for cutting gun of flame cutting machine |
| CN116441497A (en) * | 2023-02-27 | 2023-07-18 | 江苏沙钢集团有限公司 | Automatic length measurement and scribing device and method for multiple-length blank |
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2009
- 2009-02-25 CN CN2009100466405A patent/CN101811182B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954512A (en) * | 2010-09-17 | 2011-01-26 | 重庆钢铁(集团)有限责任公司 | Medium-thick plate cut-to-length shearing method |
| CN102581241A (en) * | 2012-02-27 | 2012-07-18 | 柳州钢铁股份有限公司 | Secondary automatic cutting system of continuous casting slab |
| CN104250685A (en) * | 2013-06-25 | 2014-12-31 | 宝山钢铁股份有限公司 | Spaced charging control method based on slab actual-measured width |
| CN104250685B (en) * | 2013-06-25 | 2016-06-01 | 宝山钢铁股份有限公司 | A kind of spacing shove charge control method surveying width based on slab |
| WO2016184257A1 (en) * | 2015-05-20 | 2016-11-24 | 宝山钢铁股份有限公司 | Equipment for automatic shearing of cold-rolled variable thickness plate, and shearing method based on same |
| CN105710323A (en) * | 2016-02-16 | 2016-06-29 | 山东钢铁股份有限公司 | Cut-to-length measuring method and system for slabs |
| CN110639952A (en) * | 2018-10-17 | 2020-01-03 | 广东韶钢松山股份有限公司 | Hot conveying method for medium plate blank |
| CN111014605A (en) * | 2019-12-12 | 2020-04-17 | 唐山不锈钢有限责任公司 | Online real-time measurement system and calculation method for width and length of casting blank |
| CN111014605B (en) * | 2019-12-12 | 2021-08-13 | 唐山不锈钢有限责任公司 | Online real-time measurement system and calculation method for width and length of casting blank |
| CN113385649A (en) * | 2021-05-29 | 2021-09-14 | 凌源钢铁股份有限公司 | Casting blank tracking marking method and system based on PLC and WINCC |
| CN113385649B (en) * | 2021-05-29 | 2022-12-16 | 凌源钢铁股份有限公司 | Casting blank tracking marking method and system based on PLC and WINCC |
| CN114147196A (en) * | 2021-12-09 | 2022-03-08 | 宝钢湛江钢铁有限公司 | Method for cutting medium plate blank with fast rhythm |
| CN115156661A (en) * | 2022-08-16 | 2022-10-11 | 山东钢铁集团永锋临港有限公司 | Automatic cutting speed adjusting method for cutting gun of flame cutting machine |
| CN116441497A (en) * | 2023-02-27 | 2023-07-18 | 江苏沙钢集团有限公司 | Automatic length measurement and scribing device and method for multiple-length blank |
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