CN109675936A - Strip shape wave on-line detecting system and method - Google Patents
Strip shape wave on-line detecting system and method Download PDFInfo
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- CN109675936A CN109675936A CN201910029496.8A CN201910029496A CN109675936A CN 109675936 A CN109675936 A CN 109675936A CN 201910029496 A CN201910029496 A CN 201910029496A CN 109675936 A CN109675936 A CN 109675936A
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- strip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/04—Flatness
- B21B2263/06—Edge waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/04—Flatness
- B21B2263/08—Centre buckles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of strip shape wave on-line detecting systems, comprising: detection unit, real-time detection strip shape wave data；Data processing unit obtains detection data, and strip reel number is obtained from milling train host computer；According to the coil of strip number and detection data of acquisition, target data is generated, target data includes strip transverse direction shape wave histogram, strip longitudinal direction shape wave curve graph and surveyed coil of strip fully developed sea value and corresponding position；Target data is shown.The present invention also discloses a kind of strip shape wave online test methods.The present invention can record the shape wave relevant information of every coil band in real time, and the automatic generation function of examining report is realized according to the data detected.The present invention can detect the high 500mm of strip wave hereinafter, detection frequency reaches 10kHz, and wave high-precision is less than 0.1mm, has with the communication function of rolling mills host computer, it can be achieved that detection data offline search function.
Description
Technical field
The present invention relates to cold rolling of strip steel technical fields, more particularly, to strip shape wave on-line detecting system and method.
Background technique
In strip production process, according to the needs of each production link, need promptly and accurately to grasp the information of strip, wherein
Strip shape wave index is a key index, superiority and inferiority of the height of steel band shape wave concerning product.In time, side wave is effectively tested out
With the height of middle wave for producing the judgement of product quality, raw material shape wave all has one to the influence degree of product, cost control
Fixed directive function；In addition, the comparison of the related data by shape wave detection record, can grasp shape wave index to client
Influence degree, can effective Instructing manufacture, the supply of material.
Since the shape wave control of strip is the important indicator in quality strip steel production process, strip factory is constantly released newly
Type shape wave measuring instrument.
ZL201120223665.0 discloses a kind of Simple measurement device of wave-shaped defect in hot rolling strip steel, ordinary surveying dress
It sets by manual operation, including crossfoot, linear foot and connector, crossfoot is disposed vertically with linear foot and is connected by connector, described
The long 1000-1500mm of crossfoot, the long 150-200mm of linear foot, the precision of manual measurement shape wave defect can be improved using the measuring device
And efficiency, foundation is provided for shape wave control analysis.
Patent of invention ZL201110296386.1 discloses a kind of wave-shaped defect in hot rolling strip steel online test method and its measurement
Device, the measurement are equipped with a swing rod, and with the movement of hot-strip, swing link end part slides on strip, passes through measuring oscillating bar
Deflection angle calculates the shape wave height of swing link end part position, specific steps are as follows: 1) when strip is straight, it is whole
The deflection angle of fixed pendulum bar is 45 °；2) after shape wave occurs in strip, measuring the deflection angle angle value is θ；3) according to formula h=
Rcos45 ° of-Rcos θ can approximate calculation shape wave height h.The beneficial effects of the invention are as follows can provide in real time coiled sheet to operator
Shape wave defect information improves smooth efficiency and smooth quality.But the device is contact, and the precision measured is lower.
ZL201620176095.7 announce can a kind of high on-line measurement device of strip wave, the high on-line measurement device packet of the wave
Include: the top of strip is arranged in sliding rail, laser range finder and control module, sliding rail, and laser range finder is slidably connected with sliding rail.Swash
The distance values of optar detection strip and laser range finder.Control module is connect with laser range finder, to receive laser ranging
Maximum distance values in setting time are done difference operation with minimum pitch value and obtain spacing difference by the distance values that instrument is sent,
It is high away from the wave that difference is the strip.The on-line measurement device energy on-line real time monitoring simultaneously records template data, improves plate shape wave
High measurement accuracy.The detection device can realize on-line operation, realize contactless shape wave measurement, but can only test roll to wave
Height, and can only obtain the fully developed sea in test section, it is unable to get the practical shape wave of strip.
The control of the process conditions such as real-time adjustment and cold rolling of the shape wave for hot rolling technology for accurately measuring strip, smooth is extremely
It closes important, invents a kind of device that can reflect strip shape wave in real time, it is most important for the quality for improving cold-rolled products.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, and the strip shape wave for providing a kind of real-time detection strip shape wave exists
Line detection system.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of strip shape wave on-line detecting system, packet
It includes:
Detection unit, real-time detection strip shape wave data；
Data processing unit obtains detection data, and strip reel number is obtained from milling train host computer；
According to the coil of strip number and detection data of acquisition, target data is generated, target data includes strip transverse direction section shape wave
Histogram, strip longitudinal direction section shape wave curve graph, and surveyed coil of strip fully developed sea value and corresponding position；
Target data is shown.
Further, the detection unit includes
Rack, there is in the rack sensor to install crossbeam, several use are arranged in sensor installation crossbeam lower part
In the linear laser sensor of measurement strip shape wave, the linear laser sensor and multi-channel synchronous data acquisition controller connect
It connects；
Strip position information sensors are used to measure strip length information.
Further, the multi-channel synchronous data acquisition controller is mounted at sensor installation crossbeam.
Further, in the data processing unit, with the document form of TXT by the detection data of coil of strip with coil of strip reel number text
Title is saved, while forming examining report according to detection data.
Further, in the data processing unit, strip historical data can be inquired according to coil of strip number, according to the coil of strip of selection
The shape wave information three-dimensional color cloud picture of the coil of strip number is provided, some position in figure is clicked, the entire strip of the position will be provided
The shape wave data of length direction, according to the shape wave data it can be concluded that the long L of wave, the high H of wave and unrestrained number.
Further, protective net is set outside the line laser sensor.
On the other hand, a kind of strip shape wave online test method, data processing unit receive the sending of milling train host computer
Start after detecting signal, the reel number of strip is recorded, while receiving the strip shape wave data detected in strip detection unit, by band
The strip transverse direction shape wave value that each sensor detects in linear laser sensor in steel detection unit generates histogram and in screen
It has been shown that, while showing longitudinal detection data formation curve and in screen, according to the collected strip shape wave data of institute, by institute
It surveys coil of strip fully developed sea value and corresponding position is shown in screen, shape wave information is tentatively judged for user.
Further, in this method, after data processing unit receives the new coil of strip signal of host computer sending, current coil of strip inspection
Surveying work terminates, and claims to save with coil of strip reel number literary fame by the detection data of the coil of strip with the document form of TXT, while basis
The data detected form examining report.
Further, in data processing unit when enquiry of historical data, providing the steel according to the coil of strip number of selection in this method
The shape wave information three-dimensional color cloud picture of volume clicks some position in figure, will provide the entire strip length direction of the position
Shape wave data, according to the shape wave data it can be concluded that, the long L of wave, the high H of wave, and wave is several times.
Further, the detection unit in this method includes
Rack, there is in the rack sensor to install crossbeam, several use are arranged in sensor installation crossbeam lower part
In the linear laser sensor of measurement strip shape wave, the linear laser sensor and multi-channel synchronous data acquisition controller connect
It connects；
Strip position information sensors are used to measure strip length information.
Compared with prior art, the invention has the following beneficial effects: the waves that the present invention can record every coil band in real time
Shape relevant information realizes the automatic generation function of examining report according to the data detected.It is high that the present invention can detect strip wave
Hereinafter, detection frequency reaches 10kHz, wave high-precision is less than 0.1mm, has the communication function with rolling mills host computer 500mm,
Detection data offline search function can be achieved.
Detailed description of the invention
Fig. 1 is detection unit detecting state schematic diagram.
Fig. 2 is each linear laser sensor unrestrained plotting table collected in real time, and histogram is strip longitudinal direction section shape wave,
Curve is strip transverse direction section shape wave.
Fig. 3 is the unrestrained plotting table in strip length direction.
Fig. 4 is detection unit main view.
Fig. 5 is that detection unit sensor installs bottom view at crossbeam.
Fig. 6 is detection unit left view.
In figure, 1 rack, 11 sensors install crossbeam, 2 linear laser sensors, the control of 3 multi-channel synchronous data acquisitions
Device.
Specific embodiment
The present invention uses the principle of laser ranging, and the laser of a group pattern is arranged above the section in the direction of strip operation
Sensor, according to height of the strip each point apart from corresponding sensor measured by array laser sensor, by data processing list
First such as computer calculates the shape wave of strip in real time, provides shape wave information.
By taking attached drawing 1 as an example, about lateral section and longitudinal section, be described as follows: the section XOZ is that cross section is (laterally disconnected
Face), indicate a shape wave in strip width direction, the section XOY is longitudinal section (longitudinal section), indicates wave on strip length direction
Shape.
Embodiment 1: a kind of strip shape wave on-line detecting system includes detection unit, is used for real-time detection strip shape wave number
According to.
Referring to Fig. 1, Fig. 4, Fig. 5 and Fig. 6, detection unit has rack 1, in the rack 1 there is sensor to install crossbeam
11, several are arranged for measuring the linear laser sensor 2 of strip shape wave, sensor in the sensor installation 11 lower part of crossbeam
Arrangement be array, the linear laser sensor 2 connect with multi-channel synchronous data acquisition controller 3.The multi-pass
Road synchronous data collection controller 3 is mounted at sensor installation crossbeam 11.Detection unit also has strip location information sensing
Device is used to measure strip length information.
Strip position sensor installation site can according to need arrangement, such as be mounted on after uncoiler (portion at carrying roller
It is divided into the prior art, is not described further), the effect of strip position sensor is measurement strip length information, believes length convenient for system
Breath and shape wave information are mapped.
Protective net is set outside the linear laser sensor.Prevent strip from colliding sensor.
The arrangement of laser sensor can adjust its density degree according to the testing requirements of strip shape wave, meet strip width
The testing requirements in direction.
The laser sensor of array is a kind of high precision position measurement sensor based on aser triangulation principle, sensing
Device has been internally integrated the set of algorithms of user-programmable, can refer to the prior art, such as have KEYENCE Keyemce on the market at present
High-precision 2D laser displacement sensor LJ5000 series, between 0.2-20 μm of repeatable accuracy；Switzerland PF camera PF series, repeats
Between precision 0.2-0.75mm.Such laser sensor feature has: (1) being embedded in Intelligent Laser control core；Realize that laser is dynamic
State is adjusted in real time, adapts to various complex surfaces measurement from white to black；(2) adaptive orthoscope optical system is used, makes to differentiate
Rate and the linearity are higher, and when detecting the high 500mm or less of wave, detection accuracy reaches 0.1mm；(3) built-in 16 class Gaussian reconstructions
Device；This reconstructor is solidified in the circuit system of PL-IH series sensor in the form of IP kernel, can be repaired in due course because environment is disturbed
Dynamic and measurement noise bring unstability；(4) circuit module for passing through avalanche type A-CMOS and parallel processing, is allowed to do not subtracting
In the case where small-range, very high sample frequency can be obtained, detection frequency reaches 10KHz；(5) user can be according to practical quilt
Objective attribute target attribute, particular surroundings, particular requirement of survey etc. configure Measurement Algorithm.
The laser sensor of array is controlled using multi-channel synchronous data acquisition controller, each laser in sensor
The synchronous error that sensor acquires data is less than 2s, and controller connects multichannel shift value spelling group as required by a RS422
Mouth is connect with ustomer premises access equipment (data processing unit).
Data processing unit can use the form of computer, obtain for obtaining detection data, and from milling train host computer
Take strip reel number；According to the coil of strip number and detection data of acquisition, target data is generated, target data includes strip transverse direction section wave
Shape histogram, strip longitudinal direction section shape wave curve graph, and surveyed coil of strip fully developed sea value and corresponding position；By target data into
Row display.
In the data processing unit, with the document form of TXT by the detection data of coil of strip with coil of strip reel number literary fame claim into
Row saves, while forming examining report according to detection data.
The information that examining report includes is worked out as needed, such as examining report includes interior to have: strip reel number, unrestrained number,
Fully developed sea, anxious degree of completing.Strip reel number is the identity code of every coiled strip steel.Unrestrained number is to reach the wave that certain wave is long and wave is high
Number.Fully developed sea is maximum unrestrained high level in all waves.Suddenly degree of completing is the ratio that wave is high and wave is long.In examining report as needed
Operator's name can be added, operator's name is the operator for producing this coiled strip steel.
In the data processing unit, strip historical data can be inquired according to coil of strip number, provided according to the coil of strip number of selection
The shape wave information three-dimensional color cloud picture of the coil of strip clicks some position in figure, will provide the entire strip length side of the position
To shape wave data, according to the shape wave data it can be concluded that the long L of wave, the high H of wave and unrestrained number.
System is used to detect the real-time monitoring of strip shape wave in strip production process, later data processing, measurement data
Storage and measurement report are formed.Change for field conduct visual control wave row index, product quality retrospect and product quality
It is kind that reliable basis is provided.
Preferably, computer (data processing unit) initially sets up the communication with host computer after detection system starting, inspection
It looks into whether upper communication is normal, while the detection system of itself is checked, checks the work of the laser sensor of array
Make state, enters armed state after the completion of detection.
In production process, when one coiled strip steel of every production, the reel number of strip can by producers' typing in milling train host computer,
Inquiry identification information of the reel number as the coiled strip steel wave row measurement result.When operator provides strip operating instruction, detection
System also obtains the initiation command simultaneously, starts simultaneously at detection.
Embodiment 2: a kind of strip shape wave online test method, data processing unit receive opening for milling train host computer sending
Begin the reel number of strip to be recorded, while receiving the strip shape wave data detected in strip detection unit, by strip after detection signal
The strip transverse direction shape wave value that each sensor detects in linear laser sensor in detection unit generates histogram and shows in screen
Show, while showing longitudinal detection data formation curve and in screen, according to the collected strip shape wave data of institute, will be surveyed
Coil of strip fully developed sea value and corresponding position are shown in screen, and shape wave information is tentatively judged for user.Graphic reference Fig. 2,
In the figure, top is histogram, and abscissa indicates that strip width, ordinate indicate that strip wave is high in figure, and lower section is curve, in figure
Abscissa indicates that strip length, ordinate indicate that strip wave is high.
In this method, after data processing unit receives the new coil of strip signal of host computer sending, current coil of strip detects work
Terminate, claim to save with coil of strip reel number literary fame by the detection data of the coil of strip with the document form of TXT, while according to detecting
Data, formed examining report.
The information that examining report includes is worked out as needed, such as examining report includes interior to have: strip reel number, unrestrained number,
Fully developed sea, anxious degree of completing.Strip reel number is the identity code of every coiled strip steel.Unrestrained number is to reach the wave that certain wave is long and wave is high
Number.Fully developed sea is maximum unrestrained high level in all waves.Suddenly degree of completing is the ratio that wave is high and wave is long.In examining report as needed
Operator's name can be added, operator's name is the operator for producing this coiled strip steel.
In this method, in data processing unit when enquiry of historical data, the wave of the coil of strip is provided according to the coil of strip number of selection
Shape information three-dimensional color cloud picture clicks some position in figure, will provide the shape wave number in the entire strip length direction of the position
According to, according to the shape wave data it can be concluded that, the long L of wave, the high H of wave, and wave is several times, can calculate anxious degree of completing according to the long and unrestrained height of wave.
For details, reference can be made to Fig. 3.Abscissa indicates that strip length, ordinate indicate that strip wave is high in figure.
Detection unit in this method has rack, and there is sensor to install crossbeam, the sensor peace in the rack
Several are arranged for measuring the linear laser sensor of strip shape wave, the linear laser sensor and multi-pass in dress crossbeam lower part
The connection of road synchronous data collection controller.Detection unit also has strip position information sensors, is used to measure strip length
Information.Strip position sensor installation site can according to need arrangement, such as be mounted on after uncoiler that (part is at carrying roller
The prior art is not described further), the effect of strip position sensor is measurement strip length information, convenient for system by length information and
Shape wave information is mapped.
Preferably, computer initially sets up the communication with milling train host computer after detection starting, check and upper communication
It is whether normal, while the detection system of itself is checked, it checks the working condition of sensor array, enters after the completion of detection
Armed state.
The foregoing is merely the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment party
Formula, all technical solutions for belonging to the principle of the invention all belong to the scope of protection of the present invention.For those skilled in the art and
Speech, several improvement carried out without departing from the principles of the present invention, these improvement also should be regarded as protection model of the invention
It encloses.
Claims (10)
1. a kind of strip shape wave on-line detecting system characterized by comprising
Detection unit, real-time detection strip shape wave data；
Data processing unit obtains detection data, and strip reel number is obtained from milling train host computer；
According to the coil of strip number and detection data of acquisition, target data is generated, target data includes strip transverse direction section shape wave column
Figure, strip longitudinal direction section shape wave curve graph, and surveyed coil of strip fully developed sea value and corresponding position；
Target data is shown.
2. system according to claim 1, which is characterized in that the detection unit includes
Rack, there is in the rack sensor to install crossbeam, several are arranged for surveying in sensor installation crossbeam lower part
The linear laser sensor of strip shape wave is measured, the linear laser sensor is connect with multi-channel synchronous data acquisition controller；
Strip position information sensors are used to measure strip length information.
3. system according to claim 2, which is characterized in that the multi-channel synchronous data acquisition controller is mounted on biography
Sensor is installed at crossbeam.
4. system according to claim 1, which is characterized in that, will with the document form of TXT in the data processing unit
The detection data of coil of strip claims to be saved with coil of strip reel number literary fame, while forming examining report according to detection data.
5. system according to claim 4, which is characterized in that in the data processing unit, can be inquired according to coil of strip number
Strip historical data provides the shape wave information three-dimensional color cloud picture of the coil of strip according to the coil of strip number of selection, clicks some in figure
Position will provide the shape wave data in the entire strip length direction of the position, according to the shape wave data it can be concluded that the long L of wave, wave
High H and unrestrained number.
6. system according to claim 2, which is characterized in that protective net is arranged outside the linear laser sensor.
7. a kind of strip shape wave online test method, it is characterised in that:
Data processing unit receive milling train host computer sending start detect signal after, record the reel number of strip, receive simultaneously
The strip shape wave data detected in strip detection unit examine sensor each in laser sensor linear in strip detection unit
The strip transverse direction shape wave value measured generates histogram and shows in screen, while by longitudinal detection data formation curve and shielding
Curtain display carries out surveyed coil of strip fully developed sea value and corresponding position in screen according to the collected strip shape wave data of institute
It has been shown that, shape wave information is tentatively judged for user.
8. according to the method described in claim 7, it is characterized by:
In this method, after data processing unit receives the new coil of strip signal of host computer sending, current coil of strip detection work terminates,
The detection data of the coil of strip is claimed to save with coil of strip reel number literary fame with the document form of TXT, while according to the number detected
According to formation examining report.
9. according to the method described in claim 8, it is characterized by:
In this method, in data processing unit when enquiry of historical data, believed according to the shape wave that the coil of strip number of selection provides the coil of strip
Three-dimensional colour cloud atlas is ceased, some position in figure is clicked, the shape wave data in the entire strip length direction of the position, root will be provided
According to the shape wave data it can be concluded that, the long L of wave, the high H of wave, and wave is several times.
10. according to the method described in claim 7, it is characterized by:
Detection unit in this method includes
Rack, there is in the rack sensor to install crossbeam, several are arranged for surveying in sensor installation crossbeam lower part
The linear laser sensor of strip shape wave is measured, the linear laser sensor is connect with multi-channel synchronous data acquisition controller；
Strip position information sensors are used to measure strip length information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211566391.4A CN115921548A (en) | 2019-01-13 | 2019-01-13 | Strip steel wave shape on-line detection system |
| CN201910029496.8A CN109675936A (en) | 2019-01-13 | 2019-01-13 | Strip shape wave on-line detecting system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029496.8A CN109675936A (en) | 2019-01-13 | 2019-01-13 | Strip shape wave on-line detecting system and method |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211566391.4A Division CN115921548A (en) | 2019-01-13 | 2019-01-13 | Strip steel wave shape on-line detection system |
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| CN109675936A true CN109675936A (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211566391.4A Pending CN115921548A (en) | 2019-01-13 | 2019-01-13 | Strip steel wave shape on-line detection system |
| CN201910029496.8A Pending CN109675936A (en) | 2019-01-13 | 2019-01-13 | Strip shape wave on-line detecting system and method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211566391.4A Pending CN115921548A (en) | 2019-01-13 | 2019-01-13 | Strip steel wave shape on-line detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113963A (en) * | 2020-09-21 | 2020-12-22 | 武汉钢铁有限公司 | Online detection method and device for plate shape defects of finished oriented silicon steel product |
| CN113284115A (en) * | 2021-05-28 | 2021-08-20 | 中冶赛迪重庆信息技术有限公司 | Steel coil tower shape identification method, system, medium and terminal |
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| US4073007A (en) * | 1975-05-02 | 1978-02-07 | Forges De Gueugnon | Method and apparatus for measuring stress in a band subjected to tension and applications thereof, in particular for the measurement of the state of planarity of such a band |
| JP2000266527A (en) * | 1999-03-17 | 2000-09-29 | Nisshin Steel Co Ltd | Method and apparatus for measuring shape of metal plate |
| CN1356186A (en) * | 2002-01-11 | 2002-07-03 | 北京科技大学 | Linearl laser detector of plate shape |
| CN1597166A (en) * | 2003-09-15 | 2005-03-23 | 布拉德伯里有限公司 | Methods and apparatus for monitoring and conditioning strip material |
| CN202105857U (en) * | 2011-04-25 | 2012-01-11 | 宝山钢铁股份有限公司 | Laser array cold-rolled sheet shape detector |
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| CN205413925U (en) * | 2015-11-26 | 2016-08-03 | 首钢京唐钢铁联合有限责任公司 | Unrestrained high monitoring devices of belted steel |
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- 2019-01-13 CN CN201910029496.8A patent/CN109675936A/en active Pending
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|---|---|---|---|---|
| US4073007A (en) * | 1975-05-02 | 1978-02-07 | Forges De Gueugnon | Method and apparatus for measuring stress in a band subjected to tension and applications thereof, in particular for the measurement of the state of planarity of such a band |
| JP2000266527A (en) * | 1999-03-17 | 2000-09-29 | Nisshin Steel Co Ltd | Method and apparatus for measuring shape of metal plate |
| CN1356186A (en) * | 2002-01-11 | 2002-07-03 | 北京科技大学 | Linearl laser detector of plate shape |
| CN1597166A (en) * | 2003-09-15 | 2005-03-23 | 布拉德伯里有限公司 | Methods and apparatus for monitoring and conditioning strip material |
| CN202105857U (en) * | 2011-04-25 | 2012-01-11 | 宝山钢铁股份有限公司 | Laser array cold-rolled sheet shape detector |
| CN205413925U (en) * | 2015-11-26 | 2016-08-03 | 首钢京唐钢铁联合有限责任公司 | Unrestrained high monitoring devices of belted steel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113963A (en) * | 2020-09-21 | 2020-12-22 | 武汉钢铁有限公司 | Online detection method and device for plate shape defects of finished oriented silicon steel product |
| CN113284115A (en) * | 2021-05-28 | 2021-08-20 | 中冶赛迪重庆信息技术有限公司 | Steel coil tower shape identification method, system, medium and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115921548A (en) | 2023-04-07 |
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