CN101030082A - Method for collecting and delivering tape defect data - Google Patents
Method for collecting and delivering tape defect data Download PDFInfo
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- CN101030082A CN101030082A CN 200610024255 CN200610024255A CN101030082A CN 101030082 A CN101030082 A CN 101030082A CN 200610024255 CN200610024255 CN 200610024255 CN 200610024255 A CN200610024255 A CN 200610024255A CN 101030082 A CN101030082 A CN 101030082A
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- 230000007547 defect Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000004886 process control Methods 0.000 claims abstract description 6
- 230000002950 deficient Effects 0.000 claims description 168
- 230000007306 turnover Effects 0.000 claims description 21
- 238000002716 delivery method Methods 0.000 claims description 11
- 208000024891 symptom Diseases 0.000 claims description 6
- 238000005098 hot rolling Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000012217 deletion Methods 0.000 abstract description 2
- 230000037430 deletion Effects 0.000 abstract description 2
- 238000013480 data collection Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000005097 cold rolling Methods 0.000 description 3
- 238000003908 quality control method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
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Abstract
A method for collecting and duplicating defect data of steel roll includes collecting various defect data of the passage machine accurately by defect management image of basic automation system, utilizing material tracking task of said system to distribute these defect data onto each product roll and to transmit them to process control computer, carrying out insertion and edition as well as deletion on defect data by defect management image of process control computer, carrying out duplication on defect data by data collection task of process control computer and transmitting duplicated defect data to production control computer.
Description
Technical field
The present invention relates to a kind of collection of coil of strip defective data and turn over delivery method.
Background technology
The information architecture of steel plant generally is divided into three grades: L1-basic automation systems (hereinafter to be referred as L1), L2-process control computer system (hereinafter to be referred as L2), L3-(branch level of factory) production control computer system (hereinafter to be referred as L3).And it is generally higher to produce the performance requirement of handling line in the general iron and steel cold rolling mill continuously, has very high technology content and technical difficulty.The collection of defective data and turn over and send defect situation that can help people to grasp on-the-spot coil of strip effectively etc., and the defect information of coil of strip is passed to down the road unit exactly by information flow, to plant maintenance, the production operation of whole cold rolling mill, improving product quality and production efficiency all plays important effect.
Summary of the invention
Technical matters to be solved by this invention provides a kind of collection of coil of strip defective data and turns over delivery method, adopts this method can grasp the defective data of on-the-spot coil of strip effectively, carries out quality control better, provides foundation for the production technology personnel do quality analysis.
In order to solve the problems of the technologies described above, the invention provides a kind of collection of defective data and turn over delivery method, adopt basic automation systems L1, process control computer system L2 and the L3 of production control computer system to realize, comprise the steps:
Step 1: the defective data that preceding road unit is passed over by L2 records in the database of L2;
Step 2: by the defective data of L1 minute book road unit;
Step 3: when forming the finished product volume, L1 will put the defective data corresponding to this finished product volume in order, be that unit sends to L2 in real time with the finished product volume;
Step 4:L2 is that key word is saved in the database of L2 with the defective data that receives with defective corresponding finished reel number, hot rolling reel number, reader group number, defective serial number;
Step 5: after the finished product volume produces, the processing that the operative employee edits, deletes and insert defective data by L2.
Step 6: when finished product is rolled onto the 7th position that reaches outlet conveyer chain, L2 will turn over and send corresponding defective data, be unit with the finished product volume then, roll up production actual achievement text with the production actual achievement data sink assembly finished product of this volume and send to L3.
It is the defective data of collecting preceding road unit and this road unit that described defective data is collected, and records in the database of L2.
Described defective data turns over and send is to transmit finished product volume data to the L3, and the defective data of collecting when the band steel is not batched converts to by coiling machine and is rolled into finished product volume back and the data mode during above uncoiling mode uncoiling before entering road unit down.
Also comprise in the step 4: if when forming the finished product volume, corresponding parent roll has the defective data of preceding road unit, so must according to bundling/and the situation of volume defective cut apart or duplicated.
Described defective data is mainly described by following data item: the reference position of blemish surface, defective locations, defect type, Level, defective and final position, defective control routine, defect length position, input unit, defective input serial number and Symptom.
Owing to adopted technique scheme, the present invention to have following beneficial effect:
(1) better carries out procedure quality control, provide foundation for the production technology personnel do quality analysis.The purpose of sending is collected and turned over to defective data is by collecting in process of production defective data of each coil of strip, turn over to send and be used to pass to down the road unit, studying the situation of the operating process and the quality control of unit on this basis.
(2) higher application and popularization value is arranged.Because the information flow of each unit of steel plant all is identical, so the present invention goes for any unit, and the development language that can adopt is varied, implements easily.
Description of drawings
Fig. 1 is the collection of coil of strip defective data of the present invention and the process flow diagram that turns over delivery method.
Embodiment
The invention will be further elaborated below in conjunction with drawings and Examples:
As shown in Figure 1, the collection of coil of strip defective data of the present invention and turn over delivery method and comprise the steps:
Step 1: the defective data that preceding road unit is passed over by L2 records in the supplied materials volume defective data form of L2 database;
Defective data is mainly described by following data item:
1) blemish surface: describe the distribution situation of defective, comprise upper surface, lower surface and upper and lower surface at belt steel surface;
2) defective locations: describe the distributing position of defective on the strip width direction;
3) defect type: describe the feature of defective, as stick up skin, hole, limit and split etc.;
4) Level: describing the degree of defective, is highest as milling train parking seal defective, is 4/3 grade secondly, and taking second place is 2/1 grade;
5) reference position of defective and final position: describe defective in the residing position of band steel length direction (being the position of defective) apart from band steel toe portion;
6) defective control routine: describe defective and whether send down the road unit to, and the defect Control type, as do not control, shutdown etc.
7) defect length position: describing the distributing position of defective on band steel length direction, is when being difficult to determine at defective reference position and end position, and the regional location of a coil of strip defect length is provided;
8) input unit: mainly be a distinguishing mark (generating automatically) by the L2 system as defective input (unit, area or outer supplied materials);
9) defective input serial number: represent the serial number (generating automatically) when this road unit defective is imported by the L2 system;
10) Symptom: be reserved field.
As L2 during to the plan of L3 request coil of strip, L3 will be unit with the coil of strip and transmit coil of strip production schedule data with the form of text to L2, the defective data that has wherein just comprised each coil of strip, after L2 receives coil of strip production schedule data, be that unit records in the supplied materials volume defective data form of L2 database during with the supplied materials defect data real with the defective.
Step 2: enter unit during form the finished product volume from hot-strip, the operative employee is by defective reference position, defective final position, blemish surface and the defect type of L1 defect management picture minute book road unit.
Step 3: when forming the finished product volume, the material tracking task of L1 calculates reference position and the end position of defective in finished product volume middle distance band steel toe portion according to the physical length of finished product volume, and follows the finished product volume information and send L2 together to.
Step 4:L2 is that key word is saved in the finished product volume defective data form of L2 database with the defective data that receives with defective corresponding finished reel number, hot rolling reel number, reader group number, defective serial number, simultaneously, the female reel number that comprises according to the finished product reel number retrieves the defective data whether parent roll has preceding road unit, if have, then carry out following processing:
Treatment principle when 1) having the parent roll of preceding road unit defective also to be rolled up:
And volume back finished product wraparound contains two defectives, be depicted as example with table 1, the length of parent roll 1 is 300 meters, be 100 meters-150 meters with the reference position and the final position of defective 1, the length of parent roll 2 is 500 meters, the defective locations of being with is 230 meters-250 meters, reference position and the final position of defective 1 in the finished product volume is constant so, still be 100 meters-150 meters, the position of defective 2 in the finished product volume must be recomputated, and result of calculation is 530 meters-550 meters.
Table 1: certain comprises the finished product volume of the parent roll of two band defectives
| Finished product volume length=800 meter | |
| Parent roll 1 length=300 meters | Parent roll 2 length=500 meters |
| Parent roll 1 comprises defective 1:100 rice-150 meter | Parent roll 2 comprises defective 2:230 rice-250 meter |
| The position of defective 1 in the finished product volume: 100 meters-150 meters | The position of defective 1 in the finished product volume: reference position: 300 meters+230 meters=530 meters final positions: 300 meters+250 meters=550 meters |
Treatment principle when 2) parent roll that preceding road unit defective arranged is by bundling:
A) be segmented in the defective zone:
Two finished product volumes behind the bundling all comprise this defective, be depicted as example with table 2, parent roll length is 800 meters, the defective of being with is 280 meters-330 meters, cut-point is from 300 meters of parent roll head, to roll up the reference position and the final position of 1 contained defective be 280 meters-300 meters to finished product so, and it is 0 meter-30 meters that finished product is rolled up 2 contained defective reference position and final positions.
Table 2: the parent roll of certain band defective is divided into two finished product volumes
(cut-point is at defect area)
| Parent roll length=800 meter |
| The position of defective in parent roll: 280 meters-330 meters | |
| Finished product is rolled up 1 length=300 meter | Finished product is rolled up 2 length=500 meter |
| Finished product volume 1 comprises defective: 280 meters-300 meters | Finished product volume 2 comprises defective: 0 meter-30 meters |
B) be segmented in from certain defective have ± error distance in:
If cut-point having from certain defective ± error distance in (tentative now is 50 meters), omit in order to prevent defective, must carry out defective and duplicate, the defective maximum length of duplicating is 50 meters, if former defect length is less than 50 meters then duplicate by physical length.Being contained in the finished product volume 1 with defective packets behind the bundling in the table 3 is example, reference position and the final position of this defective in parent roll is 230 meters-280 meters, cut-point is from 300 meters of parent roll head, so finished product volume 1 comprises this defective, defective locations is 230 meters-280 meters, in addition, because the end position of defective is 20 meters apart from clipped position, less than 50 meters, then this defective must be copied in the finished product volume 2, the defective locations that duplicates is 0 meter-50 meters;
Table 3: the parent roll of certain band defective is divided into two finished product volumes
(defective is segmented in the finished product volume 1)
| Parent roll length=800 meter | |
| The position of defective in parent roll: 230 meters-280 meters | |
| Finished product is rolled up 1 length=300 meter | Finished product is rolled up 2 length=500 meter |
| Finished product volume 1 comprises defective: 230 meters-280 meters | Finished product volume 2 comprises defective: 0 meter-50 meters |
Being contained in the finished product volume 2 with defective packets behind the bundling in the table 4 again is example, reference position and the final position of this defective in parent roll is 320 meters-360 meters, cut-point is from 300 meters of parent roll head, so finished product volume 2 has comprised this defective, defective locations is 20 meters-60 meters, because the defective starting position is 20 meters apart from clipped position, less than 50 meters, then this defective should be copied in the finished product volume 1, the defective locations that duplicates is 260 meters-300 meters.
Table 4: the parent roll of certain band defective is divided into two finished product volumes
(defective is segmented in the finished product volume 2)
| Parent roll length=800 meter | |
| The position of defective in parent roll: 320 meters-360 meters | |
| Finished product is rolled up 1 length=300 meter | Finished product is rolled up 2 length=500 meter |
| Finished product volume 1 comprises defective: 260 meters-300 meters | Finished product volume 2 comprises defective: 20 meters-60 meters |
Defective cut apart finish after, L2 will be cut apart good defective data and be recorded in the finished product volume defective data form, wait for editor and turn over and send.
Step 5: during from the formation cold coiling to coil of strip arrival outlet the 7th position of conveyer chain (actual achievement is uploaded to L3), the operative employee can be uploaded by L1 or the defective data of preceding road unit or directly import defective data by L2 defective picture editing, comprise data such as finished product reel number (using when only defective is imported), hot rolling reel number (using when only defective is imported), defect type code, blemish surface, defective locations, Level, defective reference position, defective final position, extension position, Symptom, if some defective data no longer needs, also can carry out the defective deletion.
Step 6: when finished product was rolled onto the 7th position that reaches outlet conveyer chain, the data aggregation task of L2 was organized into production actual achievement electronic message with the finished product volume information and sends L3 to, comprising the defect information of finished product volume.
Because it is as the cold rolling production schedule data of road unit down that L3 collects finished product volume actual achievement information, send so before L2 sends L3 production actual achievement to, must turn over to data such as the surface of defective, defective reference position, defective final position, extension position.Because the defective data of coil of strip is limited within 20 groups in the transmission between the L3-L2 system, so when defective surpasses more than 20 groups, then arrange according to the degree of priority of defect rank, high person is preferential for rank, get preceding 20 groups of defective datas at last and send L3 to, concrete defective is turned over and is sent rule as shown in table 5:
Table 5: pickling unit defective is turned over and is sent rule list
| The defective data item | Batch mode | Turn over send before | Turn over send after |
| The defect type code | 3C | 3C | |
| Blemish surface (on 1, about in the of 2,3 times) | On batch | 1/2/3 | 1/2/3 |
| Under batch | 3/2/1 | ||
| Defective locations (1 an operation left side, 2 operations are right, 3 transmission left sides, the 4 transmission right sides, 5 operation left sides+in, the 6 operation right sides+in, 7 transmission left sides+in, the 8 transmission right sides+in, in the middle of the A, the B both sides, C is whole) | 1458ABC | 1458ABC | |
| Level | 1C | 1C | |
| Reference position | 5N | 5N (reference position=finished product volume length-final position) | |
| Final position | 5N | 5N (final position=finished product volume length-reference position) | |
| The defective control routine | 2C (obtaining corresponding defective control routine and first according to the defect type code from database table can revise) | ||
| Extension position (half volume, 6 whole volumes, 7 later half volumes in 1,2, before 3 tails, 4+tail, 5) | 1/2/3/4/5/6/7 (when defective initial/when final position be can not determine, this field was just effective) | 3/2/1/4/7/6/5 |
| The input unit | 4C | 4C | |
| Defective serial number (01-99) | 2C | 2C | |
| Symptom | 5C | 5C |
Defective data with a certain finished product volume is an example below, and its defective data is turned over send: the finished product reel number is 100402500, and length is 850 meters, and the mode of batching is batched under being, synteny has 2 strip defect data, and is specifically as shown in table 6:
Table 6: a certain finished product volume defective data compares before and after turning over and sending
。
| The defective data item | Article one, defective data | The second defective data | ||
| Turn over send before | Turn over send after | Turn over send before | Turn over send after | |
| The defect type code | 10A4 (sticking up skin) | 10A4 (sticking up skin) | 11D5 (rolling seal) | 11D5 (rolling seal) |
| Blemish surface | 1 (upper surface) | 3 (lower surfaces) | 2 (upper and lower surfaces) | 2 (upper and lower surfaces) |
| Defective locations | L (an operation left side) | 1 (an operation left side) | A (centre) | A (centre) |
| Level | 1 (1 grade) | 1 (1 grade) | 1 (1 grade) | 1 (1 grade) |
| Reference position | 60 meters | 850 meters-80 meters=770 meters | 0 meter | 0 meter |
| Final position | 80 meters | 850 meters-60 meters=790 meters | 0 meter | 0 meter |
| The defective control routine | 05 | 05 | 15 | 15 |
| Extension position | Do not have | Do not have | 1 (head) | 3 (tails) |
| The input unit | C101 | C101 | C101 | C101 |
| Serial number | 01 | 01 | 02 | 02 |
| Symptom | Do not have | Do not have | Do not have | Do not have |
Claims (5)
1, a kind of collection of coil of strip defective data and turn over delivery method adopts basic automation systems L1, process control computer system L2 and the L3 of production control computer system to realize, it is characterized in that, comprises the steps:
Step 1: the defective data that preceding road unit is passed over by L2 records in the database of L2;
Step 2: by the defective data of L1 minute book road unit;
Step 3: when forming the finished product volume, L1 will put the defective data of rolling up corresponding to this finished product, and be that unit sends to L2 in real time with the finished product volume;
Step 4:L2 is that key word is saved in the database of L2 with the defective data that receives with defective corresponding finished reel number, hot rolling reel number, reader group number, defective serial number;
Step 5: after finished product volume produces, the processing of defective data being edited, deleting and inserting by L2;
Step 6: when finished product is rolled onto the 7th position that reaches outlet conveyer chain, L2 will turn over defective data and send, and be unit with the finished product volume then, roll up production actual achievement text with the production actual achievement data sink assembly finished product of this volume and send to L3.
2, the collection of coil of strip defective data according to claim 1 and turn over delivery method is characterized in that, it is the defective data of collecting preceding road unit and this road unit that described defective data is collected, and records in the database of L2.
3, the collection of coil of strip defective data according to claim 1 and turn over delivery method, it is characterized in that, described defective data turns over and send is to transmit finished product volume data to the L3, and the defective data of collecting when the band steel is not batched converts to by coiling machine and is rolled into finished product volume back and the data mode during above uncoiling mode uncoiling before entering road unit down.
4, the collection of coil of strip defective data according to claim 1 and turn over delivery method, it is characterized in that, also comprise in the step 4: if when forming the finished product volume, corresponding parent roll has the defective data of preceding road unit, so must according to bundling/and the situation of volume defective cut apart or duplicated.
5, the collection of coil of strip defective data according to claim 1 and turn over delivery method, it is characterized in that described defective data is mainly described by following data item: the reference position of blemish surface, defective locations, defect type, Level, defective and final position, defective control routine, defect length position, input unit, defective input serial number and Symptom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100242557A CN100422894C (en) | 2006-03-01 | 2006-03-01 | Method for collecting and delivering tape defect data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100242557A CN100422894C (en) | 2006-03-01 | 2006-03-01 | Method for collecting and delivering tape defect data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101030082A true CN101030082A (en) | 2007-09-05 |
| CN100422894C CN100422894C (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100242557A Expired - Fee Related CN100422894C (en) | 2006-03-01 | 2006-03-01 | Method for collecting and delivering tape defect data |
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| Country | Link |
|---|---|
| CN (1) | CN100422894C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101408757B (en) * | 2007-10-11 | 2010-10-13 | 上海梅山钢铁股份有限公司 | Method for tracking hot rolling production management level graphic rolling line material |
| CN102542072A (en) * | 2012-01-31 | 2012-07-04 | 首钢京唐钢铁联合有限责任公司 | Analysis method for hot rolling transport chain tracking fault data |
| CN103163868A (en) * | 2013-03-27 | 2013-06-19 | 攀钢集团攀枝花钢钒有限公司 | Hot continuous rolling system and strip steel data transmitting method thereof |
| CN103177392A (en) * | 2013-02-20 | 2013-06-26 | 武汉科技大学 | Correlation method in steel coil length process |
| CN103252531A (en) * | 2013-05-14 | 2013-08-21 | 苏州有色金属研究院有限公司 | Optimal shearing setting method for slitting machine unit |
| CN104084426A (en) * | 2014-07-02 | 2014-10-08 | 济钢集团有限公司 | Cold rolled product plate type control system based on hot rolling process control |
| CN104461682A (en) * | 2014-10-31 | 2015-03-25 | 武汉钢铁(集团)公司 | Steel rolling steel plate simulation slitting quality judgment system and method |
| CN105741052A (en) * | 2016-03-04 | 2016-07-06 | 北京首钢冷轧薄板有限公司 | Strip-shaped steel defect collection method |
| CN109493311A (en) * | 2017-09-08 | 2019-03-19 | 上海宝信软件股份有限公司 | A kind of random defect picture mode identification and matching process and system |
| CN112122352A (en) * | 2019-06-24 | 2020-12-25 | 上海梅山钢铁股份有限公司 | Control method for improving accurate positioning of defects of pickled products |
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| JP3374848B2 (en) * | 2001-03-15 | 2003-02-10 | 日本鋼管株式会社 | Method of manufacturing a defect-marked coil |
| JP2002316213A (en) * | 2001-04-18 | 2002-10-29 | Kawasaki Steel Corp | Method of inspecting coil and device for preparing positional information of defect |
| RU2207204C1 (en) * | 2002-06-06 | 2003-06-27 | ООО "Сорби стил" | Method for optimizing process for making rolled product |
| JP2006523143A (en) * | 2003-03-28 | 2006-10-12 | ターター スチール リミテッド | Online property prediction system and method for hot rolled coils in hot strip mills |
| WO2005016566A1 (en) * | 2003-08-13 | 2005-02-24 | Jfe Steel Corporation | Method of manufacturing steel strip or surface-treated steel strip |
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- 2006-03-01 CN CNB2006100242557A patent/CN100422894C/en not_active Expired - Fee Related
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| CN101408757B (en) * | 2007-10-11 | 2010-10-13 | 上海梅山钢铁股份有限公司 | Method for tracking hot rolling production management level graphic rolling line material |
| CN102542072A (en) * | 2012-01-31 | 2012-07-04 | 首钢京唐钢铁联合有限责任公司 | Analysis method for hot rolling transport chain tracking fault data |
| CN102542072B (en) * | 2012-01-31 | 2013-11-27 | 首钢京唐钢铁联合有限责任公司 | Analysis method for hot rolling transport chain tracking fault data |
| CN103177392B (en) * | 2013-02-20 | 2015-12-23 | 武汉科技大学 | A kind of correlating method of coil of strip length process |
| CN103177392A (en) * | 2013-02-20 | 2013-06-26 | 武汉科技大学 | Correlation method in steel coil length process |
| CN103163868A (en) * | 2013-03-27 | 2013-06-19 | 攀钢集团攀枝花钢钒有限公司 | Hot continuous rolling system and strip steel data transmitting method thereof |
| CN103252531A (en) * | 2013-05-14 | 2013-08-21 | 苏州有色金属研究院有限公司 | Optimal shearing setting method for slitting machine unit |
| CN103252531B (en) * | 2013-05-14 | 2016-01-20 | 苏州有色金属研究院有限公司 | Slitting line optimum shears establishing method |
| CN104084426A (en) * | 2014-07-02 | 2014-10-08 | 济钢集团有限公司 | Cold rolled product plate type control system based on hot rolling process control |
| CN104084426B (en) * | 2014-07-02 | 2016-04-06 | 济钢集团有限公司 | Based on the cold-rolled products plate form control system that hot rolling technology controls |
| CN104461682A (en) * | 2014-10-31 | 2015-03-25 | 武汉钢铁(集团)公司 | Steel rolling steel plate simulation slitting quality judgment system and method |
| CN104461682B (en) * | 2014-10-31 | 2017-10-27 | 武汉武钢众鹏信息系统有限公司 | A kind of steel rolling steel plate emulation cutting quality judging system and method |
| CN105741052A (en) * | 2016-03-04 | 2016-07-06 | 北京首钢冷轧薄板有限公司 | Strip-shaped steel defect collection method |
| CN109493311A (en) * | 2017-09-08 | 2019-03-19 | 上海宝信软件股份有限公司 | A kind of random defect picture mode identification and matching process and system |
| CN112122352A (en) * | 2019-06-24 | 2020-12-25 | 上海梅山钢铁股份有限公司 | Control method for improving accurate positioning of defects of pickled products |
| CN112122352B (en) * | 2019-06-24 | 2022-03-15 | 上海梅山钢铁股份有限公司 | Control method for improving accurate positioning of defects of pickled products |
| CN114538180A (en) * | 2022-03-01 | 2022-05-27 | 上海紫江彩印包装有限公司 | Data collection method and verification method for film roll packaging material with variable two-dimensional code |
| CN114538180B (en) * | 2022-03-01 | 2024-05-28 | 上海紫江彩印包装有限公司 | Data collection method and verification method for film roll packaging material with variable two-dimension code |
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| CN100422894C (en) | 2008-10-01 |
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