CN116839490A - Thickness gauge with roller positioning function based on double lasers and thickness measuring method thereof - Google Patents
Thickness gauge with roller positioning function based on double lasers and thickness measuring method thereof Download PDFInfo
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- CN116839490A CN116839490A CN202310747520.8A CN202310747520A CN116839490A CN 116839490 A CN116839490 A CN 116839490A CN 202310747520 A CN202310747520 A CN 202310747520A CN 116839490 A CN116839490 A CN 116839490A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 56
- 238000005096 rolling process Methods 0.000 claims abstract description 44
- 230000009977 dual effect Effects 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 7
- 238000012935 Averaging Methods 0.000 claims description 5
- 238000009499 grossing Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000004590 computer program Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005250 beta ray Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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Abstract
The invention relates to the technical field of thickness gauges, and particularly provides a thickness gauge with a roller positioning function based on a dual laser and a thickness measuring method thereof, wherein the thickness gauge comprises a measuring frame, a first laser, a second laser, a first roller and a second roller; the thickness measuring method comprises the following steps: s1, positioning the lower end of a measured object; s2, positioning the upper end of the measured object; s3, measurement pretreatment; s4, measuring data; s5, data processing; s6, closing the measuring instrument after the measurement is finished; according to the invention, the double lasers and the first rolling shaft and the second rolling shaft which are matched with the double lasers are arranged, so that the double lasers can be nondestructively far away from a measured object to be measured, and the integrity and the measurement safety of the measured object are ensured; the first roller and the second roller can movably position the measured object, so that the continuous measurement of the double lasers on the measured object is realized, the manual intervention in the whole measurement process is very little, the measurement accuracy is improved, and the measurement safety is improved.
Description
Technical Field
The invention relates to the technical field of thickness measurement of thickness gauges, in particular to a thickness gauge with a roller positioning function based on a double laser and a thickness measuring method thereof.
Background
In the project application of the steel rolling industry, a radial thickness gauge is generally used for measuring the thickness of products such as metal plates, steel coils and the like. The thickness gauge in the prior art is relatively more in use types and mainly comprises a beta-ray thickness gauge, an X-ray thickness gauge, an ultrasonic thickness gauge and the like.
However, these gauges have the following drawbacks during actual use:
1. the radiation thickness gauge is a short-distance measurement mode, when in use, the probe needs to be manually placed on a measured material, and contact damage is easy to generate in contact measurement; the radioactive isotope is needed to be used in the radiation thickness gauge, and the radioactive isotope can generate radioactive waste, so that the problems of radiation safety and environmental protection are easy to occur in the use process;
2. in the prior art, no positioning structure exists for the measured object, the measured object easily shakes, swings and even falls in the thickness measuring process, and the measuring reliability is affected.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is directed to providing a dual laser-based thickness gauge with roller positioning and a thickness measuring method thereof, which are used for solving the problems of contact measurement damage, safety and environmental protection in the prior art in which a radiation thickness gauge is used for measuring, and the problem that the reliability of measurement is affected because the measured object has no positioning structure in the prior art.
To achieve the above and other related objects, the present invention provides a dual laser-based thickness gauge with roller positioning, the thickness gauge comprising:
the measuring rack is provided with at least two measuring cavities which are open in opposite directions and used for movably placing objects to be measured;
the first laser is arranged on the measuring frame and is positioned above the measured object and is used for measuring the distance between the upper end of the measured object and the measuring frame;
the second laser is arranged on the measuring frame and positioned below the measured object and is used for measuring the distance between the lower end of the measured object and the measuring frame;
the first rolling shafts are arranged on the measuring frame and distributed on two sides of the first laser and used for rolling against the upper end of the measured object;
the second rolling shafts are arranged on the measuring frame in a telescopic mode and distributed on two sides of the second laser and used for being capable of rolling against the lower end of the measured object.
In an embodiment of the present invention, the measuring frame is provided with an elastic member, and the first roller is connected to the elastic member for forming a telescopic assembly relative to the measuring frame.
In an embodiment of the invention, the second roller is connected to the elastic member and is capable of actively rotating to drive the object to be measured to move forward and movably position the lower end of the object to be measured.
In an embodiment of the invention, the first roller is an unpowered roller capable of rotating along with the movement of the object to be measured to position the upper end of the object to be measured.
In an embodiment of the invention, at least two first rollers and at least two second rollers are disposed.
In an embodiment of the invention, the second laser is located directly below the first laser.
The invention provides a thickness measuring method with a roller positioning function based on a double laser, which comprises the following steps:
s1, positioning the lower end of a measured object; placing the object to be measured into the measuring cavity to enable the object to be measured to freely fall onto the first rolling shaft, and keeping the object to be measured stable;
s2, positioning the upper end of the measured object; the measuring frame is adjusted to enable the second rolling shaft to gradually approach the measured object until the second rolling shaft is attached to the upper end of the measured object, at the moment, the height of the measuring cavity a is removed from the heights of the first laser 2 and the second laser 3, and the measuring height L1 of the measuring cavity a is obtained;
s3, pretreatment of measurement: opening a measuring instrument, calibrating and setting before measurement, and selecting a proper measuring range and laser power according to the size and shape of an object to be measured;
s4, measuring data: the first roller rotates to drive the measured object to move forwards, and the distance between the upper end of the measured object and the measuring frame is measured by the first laser and is recorded as L2; the second laser synchronously measures the distance between the lower end of the measured object and the measuring frame and is marked as L3; removing a distance L2 between the upper end of the measured object and the measuring frame and a distance L3 between the lower end of the measured object and the measuring frame from the height L1 of the measuring cavity to obtain the thickness of the measured object, and recording the thickness as L; measuring for multiple times, and recording measurement data;
s5, data processing: after the measurement is completed, averaging the measured data; drawing and displaying measurement data lines, and observing line fluctuation to analyze the flatness of the measured object;
and S6, closing the measuring instrument after the measurement is finished, and paying attention to cleaning and maintenance.
The present invention provides a server, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the dual laser based thickness measurement with roller positioning method described above.
In one embodiment of the present invention, the processor performs pre-analysis smoothing preprocessing on the measured data using gaussian filtering.
The invention also provides a computer readable storage medium which when executed by a processor of a server enables the server to perform the dual laser based thickness measurement method with roller positioning of claim 7.
As described above, the thickness gauge with roller positioning and the thickness measuring method based on the dual lasers have the following beneficial effects:
1. according to the invention, two lasers are adopted to irradiate the surfaces of opposite sides of the measured object at the same time, and the thickness of the measured object is obtained by measuring the distance difference between the two laser beams, compared with the existing ray measuring method, the laser thickness measurement is a nondestructive method capable of being away from measurement, and the measured object is not damaged, so that the integrity and the safety of the measured object are ensured;
2. the upper end and the lower end of the measured object can be respectively positioned by arranging the first rolling shaft and the second rolling shaft which are matched for application, so that the measured object is prevented from shaking, swinging or even falling in the measuring process, and the measuring reliability is improved; in addition, the second roller can actively rotate to drive the measured object to move so as to realize continuous measurement of double lasers, and accuracy of measured data is improved;
3. by arranging the elastic piece, the first rolling shaft can form telescopic assembly relative to the measuring frame through the elastic piece, when the surface of the measured object is concave-convex, the first rolling shaft can stretch and retract along with the concave-convex of the surface of the measured object, so that the measured object can pass smoothly and can be always attached to the upper end of the measured object, and the continuous positioning reliability of the measured object is ensured;
4. according to the invention, the double lasers and the first rolling shaft and the second rolling shaft which are matched with the double lasers are arranged, so that the double lasers can be nondestructively far away from a measured object to be measured, and the integrity and the measurement safety of the measured object are ensured; the first roller and the second roller can movably position the measured object, so that the continuous measurement of the double lasers on the measured object is realized, the manual intervention in the whole measurement process is very little, and the measurement accuracy is improved; moreover, the danger that workers contact high temperature, high pressure and the like can be avoided, and the safety of measurement is improved; the device has the advantages of reasonable overall design, simple structure, high precision, good stability, wide application range, high reliability, high degree of automation, low maintenance cost and the like, and can meet the use requirements of industries such as steel rolling and the like on measurement precision, efficiency and safety.
Drawings
Fig. 1 shows a schematic structure of a dual laser-based thickness gauge with roller positioning according to the present disclosure.
Fig. 2 shows a schematic diagram of a measurement scheme of the dual laser-based thickness measurement method with roller positioning according to the present disclosure.
Fig. 3 shows a graph of the thickness variation of the measured object obtained for a plurality of measurements as disclosed in example 2.
Description of element reference numerals
A measuring rack 1; a base 11; a top base 12; a first laser 2; a second laser 3; an object 4 to be measured; a first roller 5; a second roller 6; an elastic member 7; measuring cavity a.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1 to 3. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Example 1
Referring to fig. 1, the present invention provides a dual laser-based thickness gauge with roller positioning, the thickness gauge includes a measuring frame 1, a first laser 2, and a second laser 3, where the measuring frame 1 has at least two measuring cavities a open in opposite directions for movably placing a measured object 4.
The first laser 2 is arranged on the measuring frame 1 and is positioned above the measured object 4 and is used for measuring the distance between the upper end of the measured object 4 and the measuring frame 1; the second laser 3 is arranged on the measuring frame 1 and positioned below the measured object 4 and is used for measuring the distance between the lower end of the measured object 4 and the measuring frame 1; the second laser 3 is located under the first laser 2, and can measure the surface of the opposite side of the same position of the measured object 4, so that the measurement effect is improved; the invention adopts two lasers to irradiate the surfaces of the opposite sides of the measured object 4 at the same time, and obtains the thickness of the measured object 4 by measuring the distance difference between the two laser beams.
The thickness gauge also comprises a first rolling shaft 5 and a second rolling shaft 6, wherein the first rolling shaft 5 is arranged on the measuring frame 1 and distributed on two sides of the first laser 2 and is used for rolling against the upper end of the measured object 4; the second rolling shafts 6 are arranged on the measuring frame 1 and distributed on two sides of the second laser 3 and are used for rolling against the upper end of the measured object 4; the upper end and the lower end of the measured object 4 can be respectively positioned by arranging the first rolling shaft 5 and the second rolling shaft 6 which are matched and applied, so that the measured object 4 is prevented from shaking, swinging or even falling in the measuring process, and the measuring reliability is improved; the second roller 6 is a power roller, and can actively rotate to drive the measured object 4 to move forward so as to realize continuous measurement of double lasers, thereby improving the accuracy of measurement data; the second rolling shaft 6 drives the measured object 4 to move and can realize movable positioning of the lower end of the measured object 4; the first roller 5 is an unpowered roller and can move along with the measured object 4 to rotate so as to position the upper end of the measured object 4; in this embodiment, the number of the first rollers 5 is two, the number of the second rollers 6 is two, and the plurality of the first rollers 5 and the plurality of the second rollers 6 can improve the positioning effect on the object 4 to be measured; the measuring rack 1 is provided with an elastic piece 7, which comprises an elastic membrane, a corrugated pipe, a spring pipe and the like, and the elastic piece 7 adopted in the embodiment is the spring pipe; the first roller 5 can form the telescopic assembly of relative measurement frame 1 through elastic component 7, when the surface concave-convex exists in the measured object 4, the first roller 5 can stretch and draw along with the concave-convex of measured object 4 surface, can laminate in the measured object 4 upper end all the time again when guaranteeing that measured object 4 passes through smoothly, guarantees the reliability of the continuous location of measured object 4.
The measuring frame 1 comprises a base 11 and a top seat 12, the base 11 is fixed, the top seat 12 is movable, specifically, the top seat 12 is connected to lifting equipment, such as hydraulic equipment, air cylinder equipment and the like, and the lifting equipment drives the top seat 12 to move relative to the base 11 so as to realize adjustment of the measuring frame 1 for application.
Example 2
Referring to fig. 2, based on the above embodiment, the present embodiment provides a thickness measuring method with roller positioning based on a dual laser, including the thickness measuring apparatus, including the following steps:
s1, positioning the lower end of a measured object 4; placing the object 4 to be measured into the measuring cavity a to enable the object to be measured to freely fall onto the first rolling shaft 5, and keeping the object to be measured stable;
s2, positioning the upper end of the measured object 4; the measuring frame 1 is adjusted, so that the second rolling shaft 6 gradually approaches the measured object 4 until the second rolling shaft is attached to the upper end of the measured object 4, and at the moment, the height of the measuring cavity a is removed from the heights of the first laser 2 and the second laser 3, so that the measuring height L1 of the measuring cavity a is obtained;
s3, pretreatment of measurement: opening the measuring instrument, performing calibration and setting before measurement, and selecting a proper measuring range and laser power according to the size and shape of the measured object 4; generally, the larger the measurement range is, the lower the accuracy is, so that the selection is required according to the actual situation;
s4, measuring data: the first roller 5 rotates to drive the measured object 4 to move forwards, and the distance between the upper end of the measured object 4 and the measuring frame 1 is measured by the first laser 2 and is recorded as L2; the second laser 3 synchronously measures the distance between the lower end of the measured object 4 and the measuring frame 1, and is marked as L3; removing a distance L2 between the upper end of the measured object 4 and the measuring frame 1 and a distance L3 between the lower end of the measured object 4 and the measuring frame 1 from the measuring height L1 of the measuring cavity a to obtain the thickness of the measured object 4, and recording the thickness as L; measuring for multiple times, and recording measurement data; please refer to table 1;
table 1 shows the recorded data of multiple measurements of the thickness gauge
TABLE 1
From the above table, the data obtained by calculating 10 measurements of the thickness L of the measured object 4 are 5mm, 4.8mm, 4.7mm, 4.9mm, 5.2mm, 5.1mm, 4.8mm, 5mm and 5.3mm, and the average value is 4.99mm, so that the thickness of the measured object 4L is 4.99mm;
s5, data processing: after the measurement is completed, averaging the measured data; the method is applied to the project of the steel rolling industry, and the pressure processing process of changing the shapes of steel ingots and billets between rotating rollers is called steel rolling, so that the steel rolling project comprises rough processing of the steel ingots and billets, and the steel plates have the problem of non-uniformity; the measured data lines are drawn and displayed, and the fluctuation of the lines is observed to analyze the flatness of the measured object 4, so that the characteristics and the performances of the measured object 4 are better known, and the subsequent adjustment of the processing scheme is facilitated.
Referring to FIG. 3, it can be seen from the graph that the thickness of the measured object 4 fluctuates by-0.3 mm to 0.2mm, and according to industry standards, refer to Table 2;
table 2 shows the allowable thickness deviation of the rolled steel sheet
TABLE 2
As can be seen from the above table, the thickness L of the measured object 4 obtained in this embodiment fluctuates within the allowable range, so that the rolled steel product is judged to be qualified, and the measured object can be directly used for subsequent processing;
and S6, closing the measuring instrument after the measurement is finished, and paying attention to cleaning and maintenance.
Example 3
The embodiment provides a server, which comprises a processor and a memory for storing instructions executable by the processor; the processor adopts Gaussian filtering to carry out pre-analysis smoothing pretreatment on measured data, the Gaussian filtering is linear smoothing filtering, and the method is suitable for eliminating Gaussian noise and widely applied to a noise reduction process of image processing. In popular terms, gaussian filtering is a process of weighted averaging over the entire image, where the value of each pixel is obtained by weighted averaging itself and other pixel values in the neighborhood. The specific operations of gaussian filtering are: scanning each pixel in the image by using a template, and replacing the value of the central pixel point of the template by using the weighted average gray value of the pixels in the neighborhood determined by the template; for digital images for post-processing applications, noise is the biggest problem, and most of the image processing textbooks introduce Gauss filters at an early stage for obtaining images with high signal-to-noise ratio SNR (reflecting real signals) because of errors, accumulated transfer, etc. Gaussian smoothing filters are very effective in suppressing noise that is subject to normal distribution.
The processor is configured to execute the instructions to implement the steps of the dual laser-based thickness measurement method with roller positioning in the above embodiment, and the specific implementation manner and technical effects are similar, and are not repeated here.
Example 4
The present invention provides a computer-readable storage medium, which may include: various media capable of storing a computer program, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disc, and specifically, the computer readable storage medium stores a computer program, where the computer program is used to implement steps of a control method of a server provided in embodiment 3 when executed by a processor, and detailed implementation manners and technical effects are similar, and are not repeated herein.
Example 5
The present embodiment provides a computer program product, including a computer program, which when executed by a processor, implements steps of a control method for a server as provided in embodiment 3, and detailed implementation manners and technical effects are similar, and are not described herein again.
In summary, the dual lasers and the first roller 5 and the second roller 6 matched with the dual lasers are arranged, so that the dual lasers can be nondestructively far away from the measured object 4, and the integrity and the measurement safety of the measured object 4 are ensured; the first roller 5 and the second roller 6 can movably position the measured object 4, so that the continuous measurement of the double lasers on the measured object 4 is realized, the manual intervention in the whole measurement process is little, and the measurement accuracy is improved; moreover, the danger that workers contact high temperature, high pressure and the like can be avoided, and the safety of measurement is improved; the device has the advantages of reasonable overall design, simple structure, high precision, good stability, wide application range, high reliability, high degree of automation, low maintenance cost and the like, and can meet the use requirements of industries such as steel rolling and the like on measurement precision, efficiency and safety. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A dual laser based thickness gauge with roller positioning, the thickness gauge comprising:
the measuring rack is provided with at least two measuring cavities which are open in opposite directions and used for movably placing objects to be measured;
the first laser is arranged on the measuring frame and is positioned above the measured object and is used for measuring the distance between the upper end of the measured object and the measuring frame;
the second laser is arranged on the measuring frame and positioned below the measured object and is used for measuring the distance between the lower end of the measured object and the measuring frame;
the first rolling shafts are arranged on the measuring frame and distributed on two sides of the first laser and used for rolling against the upper end of the measured object;
the second rolling shafts are arranged on the measuring frame in a telescopic mode and distributed on two sides of the second laser and used for being capable of rolling against the lower end of the measured object.
2. The dual laser based thickness gauge with roller positioning of claim 1, wherein: the measuring rack is provided with an elastic piece, and the first rolling shaft is connected to the elastic piece to form telescopic assembly relative to the measuring rack.
3. The dual laser based thickness gauge with roller positioning of claim 1, wherein: the second rolling shaft is connected to the elastic piece and can actively rotate to drive the tested object to move forwards and movably position the lower end of the tested object.
4. A dual laser based thickness gauge with roller positioning according to claim 3, wherein: the first roller is an unpowered roller and can move along with the measured object to rotate so as to position the upper end of the measured object.
5. The dual laser based thickness gauge with roller positioning of claim 1, wherein: the first rolling shaft and the second rolling shaft are at least two.
6. The dual laser based thickness gauge with roller positioning of claim 1, wherein: the second laser is located directly below the first laser.
7. A thickness measuring method with roller positioning based on a twin laser, comprising a thickness meter according to any of claims 1-6, characterized in that it comprises the following steps:
s1, positioning the lower end of a measured object; placing the object to be measured into the measuring cavity to enable the object to be measured to freely fall onto the first rolling shaft, and keeping the object to be measured stable;
s2, positioning the upper end of the measured object; the measuring frame is adjusted to enable the second rolling shaft to gradually approach the measured object until the second rolling shaft is attached to the upper end of the measured object, at the moment, the height of the measuring cavity a is removed from the heights of the first laser 2 and the second laser 3, and the measuring height L1 of the measuring cavity a is obtained;
s3, pretreatment of measurement: opening a measuring instrument, calibrating and setting before measurement, and selecting a proper measuring range and laser power according to the size and shape of an object to be measured;
s4, measuring data: the first roller rotates to drive the measured object to move forwards, and the distance between the upper end of the measured object and the measuring frame is measured by the first laser and is recorded as L2; the second laser synchronously measures the distance between the lower end of the measured object and the measuring frame and is marked as L3; removing a distance L2 between the upper end of the measured object and the measuring frame and a distance L3 between the lower end of the measured object and the measuring frame from the height L1 of the measuring cavity to obtain the thickness of the measured object, and recording the thickness as L; measuring for multiple times, and recording measurement data;
s5, data processing: after the measurement is completed, averaging the measured data; drawing and displaying measurement data lines, and observing line fluctuation to analyze the flatness of the measured object;
and S6, closing the measuring instrument after the measurement is finished, and paying attention to cleaning and maintenance.
8. A server, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the dual laser based thickness measurement with roller positioning method of claim 7.
9. The server of claim 8, wherein the processor performs pre-analysis smoothing pre-processing on the measured data using gaussian filtering.
10. A computer readable storage medium, wherein instructions in the storage medium, when executed by a processor of a server, enable the server to perform the dual laser based thickness measurement with roller positioning method of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310747520.8A CN116839490A (en) | 2023-06-21 | 2023-06-21 | Thickness gauge with roller positioning function based on double lasers and thickness measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310747520.8A CN116839490A (en) | 2023-06-21 | 2023-06-21 | Thickness gauge with roller positioning function based on double lasers and thickness measuring method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116839490A true CN116839490A (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310747520.8A Withdrawn CN116839490A (en) | 2023-06-21 | 2023-06-21 | Thickness gauge with roller positioning function based on double lasers and thickness measuring method thereof |
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| CN (1) | CN116839490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117113008A (en) * | 2023-10-23 | 2023-11-24 | 北京华力兴科技发展有限责任公司 | X-ray-based plate thickness measuring method |
-
2023
- 2023-06-21 CN CN202310747520.8A patent/CN116839490A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117113008A (en) * | 2023-10-23 | 2023-11-24 | 北京华力兴科技发展有限责任公司 | X-ray-based plate thickness measuring method |
| CN117113008B (en) * | 2023-10-23 | 2024-01-09 | 北京华力兴科技发展有限责任公司 | X-ray-based plate thickness measuring method |
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