CN115326517A - Impact sample machining precision detection system and detection method - Google Patents
Impact sample machining precision detection system and detection method Download PDFInfo
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- CN115326517A CN115326517A CN202211072347.8A CN202211072347A CN115326517A CN 115326517 A CN115326517 A CN 115326517A CN 202211072347 A CN202211072347 A CN 202211072347A CN 115326517 A CN115326517 A CN 115326517A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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Abstract
The invention provides an impact sample processing precision detection system and a detection method, which relate to the technical field of measurement and comprise a camera device and a recognition detection device, wherein the camera device comprises a front-view camera, a side-view camera and a top-view camera, the front-view camera is used for being arranged in front of a sample body to shoot the front of the sample body, the side-view camera is used for being arranged on the left side or the right side of the sample body to shoot the left side or the right side of the sample body, the top-view camera is used for being arranged above the sample body to shoot the upper side of the sample body, the recognition detection device is connected with the front-view camera, the side-view camera and the top-view camera, and the recognition detection device is used for recognizing shot images of the front-view camera, the side-view camera and the top-view camera and measuring the shot images. According to the scheme of the invention, the front-view camera, the side-view camera and the overlook camera of the camera device can realize imaging of different surfaces of the sample body, the identification detection device identifies the imaging and measures the angle, and the detection precision and efficiency are improved.
Description
Technical Field
The invention relates to the technical field of measurement, in particular to a system and a method for detecting the machining precision of an impact sample.
Background
The chemical composition and the mechanical property of steel must be detected when the steel plant produces, and whether the steel meets the quality requirement is checked. The mechanical property detection items comprise an impact test, a sample of the impact test must meet the size requirement of a relevant standard, and whether the processing precision of all impact samples reaches the detection standard is the most important link.
The existing processing platform is lack of a detection device, generally, after the processing of an impact sample is completed, detection tools such as a vernier caliper and a spiral micrometer are manually adopted for measurement, the measurement efficiency is low, and the error is large.
Disclosure of Invention
The invention aims to solve the technical problems of low detection efficiency and low precision of the existing manual detection of the processing precision of an impact sample.
In one aspect, the present invention provides an impact specimen processing accuracy detection system, including a camera device and a recognition detection device, wherein the camera device includes a front view camera, a side view camera and a top view camera, the front view camera is arranged in front of a specimen body to photograph a front side of the specimen body, the side view camera is arranged on a left side or a right side of the specimen body to photograph a left side or a right side of the specimen body, the top view camera is arranged above the specimen body to photograph an upper side of the specimen body, the recognition detection device is connected to the front view camera, the side view camera and the top view camera, and the recognition detection device is configured to recognize photographed images of the front view camera, the side view camera and the top view camera and perform size measurement on the photographed images.
According to the impact sample processing precision detection system, the front-view camera, the side-view camera and the overlook camera of the camera device are respectively used for being positioned in different directions of the sample body to image and display different surfaces of the sample body, images can be shot in front of, on the right of and above the sample body exemplarily, the shooting result of the camera device is transmitted to the recognition detection device, the recognition detection device recognizes the images, and relevant dimensions such as the length, the height, the notch angle and the like of the sample body on three shot images are respectively measured, the existing measurement of the size of the sample body in a three-dimensional space directly by using a measuring scale is converted into two-dimensional plane measurement, the measurement is convenient, the precision is high, the impact sample processing precision detection system is higher in intelligent degree, and the detection efficiency is improved.
Optionally, the impact specimen processing precision detection system further includes a specimen feeding mechanism and a specimen tray, the camera device is disposed at one end of the specimen feeding mechanism, the specimen tray is used for placing the specimen body, the specimen tray is disposed on the specimen feeding mechanism, and the specimen feeding mechanism is used for driving the specimen tray to move toward a position close to one end of the camera device, so that the specimen body is simultaneously located within shooting ranges of the front view camera, the side view camera and the overlook camera.
Optionally, a first detection sensor is arranged on the sample tray, the first detection sensor is used for detecting whether the sample body exists on the sample tray, the first detection sensor is connected with the sample feeding mechanism, and when the first detection sensor detects that the sample body exists on the sample tray, the sample feeding mechanism drives the sample tray to move to a preset position along a first direction.
Optionally, the impact specimen processing precision detection system further includes a specimen positioning device, the specimen positioning device is disposed on one side of the camera device, and the specimen positioning device is configured to position the specimen body that moves to the preset position.
Optionally, a second detection sensor is arranged on the sample positioning device, the second detection sensor is connected with the camera device, the second detection sensor is used for detecting whether the sample body is positioned in place, and when the second detection sensor detects that the sample body is positioned in place, the camera device shoots the sample body.
Optionally, be equipped with spacing draw-in groove on the sample tray, the extending direction of spacing draw-in groove is the second direction, the second direction with first direction is mutually perpendicular, sample positioner includes two telescopic cylinder, two telescopic cylinder is located respectively send the both sides of appearance mechanism, works as two telescopic cylinder is flexible, in order to promote the sample body is followed the second direction removes, in order to right after the sample body advances line location, telescopic cylinder withdrawal.
Optionally, the system for detecting the machining precision of the impact specimen further comprises a camera position adjusting device, and the front-view camera, the side-view camera and the top-view camera are respectively connected with the corresponding camera position adjusting device.
Optionally, the recognition detection device includes an image recognition module and a measurement module, the camera device is connected to the image recognition module, and the image recognition module is connected to the measurement module.
Optionally, the recognition detection device further comprises a voice broadcast module, and the voice broadcast module is connected with the measurement module.
On the other hand, the invention also provides a method for detecting the processing precision of the impact sample, and the system for detecting the processing precision of the impact sample comprises the following steps:
s1: placing the sample body in a shooting range of a camera device of the impact sample processing precision detection system;
s2: a front-view camera, a side-view camera and a top-view camera of the camera device respectively shoot three surfaces of the sample body;
s3: the camera device transmits the shot image to an identification detection device of the impact sample processing precision detection system;
s4: the recognition detection device recognizes the shot image and detects the size of the shot image.
Compared with the prior art, the impact sample machining precision detection method has the same advantages as the impact sample machining precision detection system, and the description is not repeated.
Drawings
Fig. 1 is a schematic structural diagram of an impact specimen processing accuracy detection system according to an embodiment of the present invention;
FIG. 2 is a view showing the installation and use of the impact specimen processing accuracy detection system according to the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a sample body according to an embodiment of the present invention;
FIG. 4 is an image taken by a front view camera according to an embodiment of the present invention;
FIG. 5 is an image taken by a side view camera according to an embodiment of the present invention;
fig. 6 is a flowchart of a method for detecting the processing accuracy of an impact specimen according to an embodiment of the present invention.
Description of the reference numerals:
1. a front-view camera; 2. a side view camera; 3. an overhead camera; 4. a camera position adjusting device; 5. a sample sending mechanism; 6. a sample tray; 61. a limiting clamping groove; 7. a sample positioning device; 71. a telescopic cylinder; 8. a sample body; 9. a frame; 10. a manipulator; l is a radical of an alcohol 1 The length of the sample; l is a radical of an alcohol 2 The distance from the symmetric plane of the notch to the end of the sample; h is 1 The height of the sample; h is a total of 2 The height of the gap; theta.theta. 1 The angle of the notch; theta 2 An included angle is formed between the longitudinal surfaces of the samples; theta.theta. 3 The angle from the notch symmetry plane to the longitudinal axis of the sample; r, the root radius of the gap; w, sample width.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate orientation words, which are used for simplifying the description of positional relationships based on the drawings of the specification, and do not represent that elements, devices, and the like which are referred to must operate according to specific orientations and defined operations and methods, configurations in the specification, and such orientation terms do not constitute limitations of the present invention.
In addition, the terms "first" and "second" mentioned in the embodiments of the present invention are only used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Herein, a coordinate system XYZ is provided, wherein a forward direction of the X-axis represents a right direction, a backward direction of the X-axis represents a left direction, a forward direction of the Y-axis represents a front direction, a backward direction of the Y-axis represents a rear direction, a forward direction of the Z-axis represents an upper direction, and a backward direction of the Z-axis represents a lower direction.
As shown in fig. 1-2, an impact specimen processing accuracy detection system according to an embodiment of the present invention includes a camera device and a recognition detection device, the camera device includes a front-view camera 1, a side-view camera 2, and a top-view camera 3, the front-view camera 1 is disposed in front of a specimen body 8 to photograph a front of the specimen body 8, the side-view camera 2 is disposed on a left side or a right side of the specimen body 8 to photograph a left side or a right side of the specimen body 8, the top-view camera 3 is disposed above the specimen body 8 to photograph an upper side of the specimen body 8, the recognition detection device is connected to the front-view camera 1, the side-view camera 2, and the top-view camera 3, and the recognition detection device is configured to recognize photographed images of the front-view camera 1, the side-view camera 2, and the top-view camera 3 and perform a dimension measurement of the photographed images.
In this example, the sample body is substantially rectangular parallelepiped as shown in fig. 3, and a V-notch is opened in the upper portion of the sample body 8 in the width direction.
The front camera 1, the side camera 2, and the top camera 3 may be positioned substantially in front of, on the right side of, and above the sample body 8, and the positions of the front camera 1, the side camera 2, and the top camera 3 may be adjusted so that the cameras are opposed to the surfaces of the sample body 8, respectively. Overlook camera 3 and be used for proofreading and correct the straightness that hangs down of sample body 8's upper surface, observe through overlook camera 3 whether the adjacent both sides of sample body 8's upper surface are vertical, promptly satisfy the imaging state requirement promptly, later, rethread front view camera 1, look sideways at camera 2 and take the preceding and left side of sample body 8 respectively. The impact specimen processing accuracy detection system may be integrally disposed on the frame 9.
The obtained shot image can be subjected to data identification and size measurement through an identification detection device. Specifically, the front-view camera 1 captures an image as shown in fig. 4, and the sample length L is obtained by measurement 1 Distance L from the notch symmetry plane to the end of the sample 2 Height h of sample 1 Height h of the gap 2 A notch angle theta 1 and a notch root radius R; the side view camera 2 takes an image as shown in FIG. 5, and the height h of the sample is measured 1 Width w of sample and angle theta between longitudinal surfaces of sample 2 Angle theta from the notch symmetry plane to the specimen longitudinal axis 3 (ii) a The perpendicularity of the adjacent edges of the sample body 8 can be judged by measuring the images shot by the overlooking camera 3.
The size obtained by the measurement is not the actual size of the sample body 8, and needs to be converted in size based on basic parameters such as the focal length of the camera. The existing measuring scale is directly used for measuring the size of the sample body in the three-dimensional space, the two-dimensional plane measurement is converted, the measurement is convenient, the precision is high, the processing precision detection system of the impact sample has higher intelligent degree, and the detection efficiency is improved.
Optionally, the recognition detection device includes an image recognition module and a measurement module, the camera device is connected to the image recognition module, and the image recognition module is connected to the measurement module.
In this embodiment, the image recognition module is used for extracting the image information that each camera shot, the measurement module measures the image, obtains dimensional data, realizes converting three-dimensional space measurement into two-dimensional plane measurement, and measurement of high efficiency, the precision is more accurate, compares in addition and considers measuring, and intelligent degree is higher, can realize the detection to various impact sample.
In addition, the recognition detection device further comprises a voice broadcast module, and the voice broadcast module is connected with the measurement module. Through the language reports the module and carries out the pronunciation value of reporting, can make things convenient for the user to obtain measuring result more fast. Generally, the time length of the whole process is less than 10 seconds from the loading, shooting, measuring and broadcasting of the sample body.
As shown in fig. 1-2, the impact specimen processing accuracy detecting system further includes a sample feeding mechanism 5 and a sample tray 6, the camera device is disposed at one end of the sample feeding mechanism 5, the sample tray 6 is used for placing the specimen body 8, the sample tray 6 is disposed on the sample feeding mechanism 5, and the sample feeding mechanism 5 is used for driving the sample tray 6 to move close to one end of the camera device, so that the specimen body 8 is simultaneously located within the shooting ranges of the front view camera 1, the side view camera 2, and the top view camera 3.
In this embodiment, the sample feeding mechanism 5 may be a screw-slider transmission mechanism or the like, which changes rotation into a linear motion mechanism, or a linear motion mechanism, and the linear transmission direction of the sample feeding mechanism 5 is the direction indicated by the Y axis, so as to drive the sample body 8 to move from one end of the sample feeding mechanism 5 to the other end, so as to move towards or away from the camera device.
When the size of the sample body 8 needs to be detected, the sample body 8 to be detected is placed on the sample tray 6, and the sample feeding mechanism 5 drives the sample tray 6 to move back and forth so as to drive the sample body 8 to move back and forth along with the sample tray 6 until the size reaches the shooting range of the camera device.
Here, the sample body 8 may be placed on the sample tray 6 directly by a human hand, or may be taken and placed by a manipulator 10.
As shown in fig. 1-2, optionally, a first detection sensor is disposed on the sample tray 6, the first detection sensor is used for detecting whether the sample body 8 is on the sample tray 6, the first detection sensor is connected to the sample feeding mechanism 5, and when the first detection sensor detects that the sample body 8 is on the sample tray 6, the sample feeding mechanism 5 drives the sample tray 6 to move to a preset position along a first direction.
In this embodiment, the first detection sensor may be a weight sensor, and the weight of the sample tray 6 is obtained according to the detection value of the weight sensor, so as to determine whether there is material therein. The weight of the sample tray 6 without the sample body 8 is the initial weight, the measured weight at a certain moment is compared with the initial weight, if the measured weight is larger than the initial weight, the sample body 8 is in the sample tray 6, otherwise, the judgment result is none.
After the first detection sensor detects and ensures that materials exist in the sample tray 6, the sample feeding mechanism 5 drives the sample tray 6 to drive the sample body 8 to move along the direction shown by the Y axis, so that the sample feeding mechanism 5 is prevented from idling, and no materials drive the sample tray 6 to move.
As shown in fig. 1-2, optionally, the impact specimen processing precision detection system further includes a specimen positioning device 7, the specimen positioning device 7 is disposed on one side of the camera device, and the specimen positioning device 7 is configured to position the specimen body 8 that moves to the preset position.
In this embodiment, sample positioner 7 is used for fixing a position sample body 8, ensures sample body 8's detection position, and is right at every turn before sample body 8 shoots, can fix it, ensures all shoot the image at fixed position at every turn, avoids placing sample body 8 to the in-process of sample tray 6 because of staff or manipulator, because of placing the position improper, the error is big, and the emergence can't shoot or shoot the incomplete scheduling problem of image.
Here, send a appearance 5 drive sample tray 6 of mechanism to drive sample body 8 and remove, realize the coarse positioning to sample body 8, sample tray 6 removes the back that targets in place, and rethread sample positioner 7 directly promotes sample body 8 and removes, realizes the secondary fine positioning to sample body 8, and sample body 8's location effect is better, is favorable to shooing and detects.
As shown in fig. 1-2, optionally, a second detection sensor is disposed on the sample positioning device 7, the second detection sensor is connected to the camera device, the second detection sensor is configured to detect whether the sample body 8 is positioned in place, and when the second detection sensor detects that the sample body 8 is positioned in place, the camera device photographs the sample body 8.
In this embodiment, the second detection sensor may be a position sensor, the second detection sensor is in communication connection with the camera device, and the camera device operates according to a detection signal of the second detection sensor to ensure that the sample body 8 is positioned at a proper position, thereby avoiding error of captured image information or incomplete image display.
As shown in fig. 1-2, optionally, a limiting clamping groove 61 is arranged on the sample tray 6, an extending direction of the limiting clamping groove 61 is a second direction, the second direction is perpendicular to the first direction, the sample positioning device 7 includes two telescopic cylinders 71, the two telescopic cylinders 71 are respectively located at two sides of the sample feeding mechanism 5, and when the two telescopic cylinders 71 are stretched to push the sample body 8 to move along the second direction, so as to position the sample body 8, the telescopic cylinders 71 are retracted.
In this embodiment, two telescopic cylinder 71 is located respectively the left and right sides of sample presentation mechanism 5, works as sample tray 6 carries sample body 8 moves the back that targets in place, two telescopic cylinder 71's flexible end respectively with the both ends face butt of elongated sample body 8, through control two telescopic cylinder 71's flexible in order to drive sample body 8 moves along the shown direction of X axle, until sample body 8 moves to target in place, and it is right to realize sample body 8's fine positioning.
Here, it should be noted that, considering that the side view camera 2 is disposed on one of the left and right sides, and may affect the installation of the telescopic cylinder 71 and the extension and retraction in the direction indicated by the X axis, taking the side view camera 2 as an example installed on the right side, one telescopic cylinder 71 located on the right side avoids the side view camera 2, a baffle is installed on the telescopic end of the telescopic cylinder 71 located on the right side, and can be driven to extend and retract in the first direction, i.e., the front-back direction, so that the baffle moves back and forth to abut against the right end face of the sample body 8, and then, one telescopic cylinder 71 located on the left side extends and retracts in the second direction, i.e., the left-right direction, until abutting against the left end face of the sample body 8, and the two telescopic cylinders 71 form left-right clamping to the sample body 8, so as to position the sample body 8, and then the telescopic cylinders 71 on both sides retract, so as to avoid obstructing the shooting line of the camera device, and start shooting.
As shown in fig. 1-2, the impact specimen processing accuracy detection system may further include a camera position adjustment device 4, and the front view camera 1, the side view camera 2, and the top view camera 3 are connected to the corresponding camera position adjustment devices 4, respectively.
As shown in fig. 6, in the present embodiment, the camera position adjusting device 4 is generally used before the size of the sample body 8 is detected, and the position of the camera is adjusted and then generally does not need to be operated.
Another embodiment of the present invention further provides a method for detecting a processing accuracy of an impact specimen, wherein the system for detecting a processing accuracy of an impact specimen includes the following steps:
s1: placing the sample body 8 in the shooting range of a camera device of the impact sample processing precision detection system;
s2: a front camera 1, a side camera 2, and a top camera 3 of the camera device capture images of three surfaces of the sample body 8;
s3: the camera device transmits the shot image to an identification detection device of the impact sample processing precision detection system;
s4: the recognition detection device recognizes the shot image and detects the size of the shot image.
The impact sample machining precision detection method provided by the invention has all the advantages of the impact sample machining precision detection system, and the description is not repeated.
The overlook camera 3 shoots the upper part of the sample body 8, when the shot image of the overlook camera 3 meets the requirement of an imaging state, the front-view camera 1 and the side-view camera 2 shoot other two surfaces of the sample body 8, wherein the imaging state generally refers to a regular image, and the length and the width of the cuboid sample body 8 are perpendicular to each other, so that the shot image is prevented from being distorted, and a measurement result is prevented from being influenced.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.
Claims (10)
1. The impact sample machining precision detection system is characterized by comprising a camera device and a recognition detection device, wherein the camera device comprises a front-view camera (1), a side-view camera (2) and a top-view camera (3), the front-view camera (1) is used for being arranged in front of a sample body (8) to shoot the front of the sample body (8), the side-view camera (2) is used for being arranged on the left side or the right side of the sample body (8) to shoot the left side or the right side of the sample body (8), the top-view camera (3) is used for being arranged above the sample body (8) to shoot the top of the sample body (8), the recognition detection device is connected with the front-view camera (1), the side-view camera (2) and the top-view camera (3), and the recognition detection device is used for recognizing shot images of the front-view camera (1), the side-view camera (2) and the top-view camera (3) and carrying out size measurement on the shot images.
2. The impact specimen processing accuracy detection system according to claim 1, further comprising a specimen feeding mechanism (5) and a specimen tray (6), wherein the camera device is provided at one end of the specimen feeding mechanism (5), the specimen tray (6) is used for placing the specimen body (8), the specimen tray (6) is provided on the specimen feeding mechanism (5), and the specimen feeding mechanism (5) is used for driving the specimen tray (6) to move towards an end close to the camera device, so that the specimen body (8) is simultaneously located within the shooting ranges of the front-view camera (1), the side-view camera (2) and the top-view camera (3).
3. The impact specimen processing accuracy detecting system according to claim 2, wherein a first detecting sensor is provided on the specimen tray (6) for detecting whether or not the specimen body (8) is present on the specimen tray (6), the first detecting sensor is connected to the specimen feeding mechanism (5), and when the first detecting sensor detects that the specimen body (8) is present on the specimen tray (6), the specimen feeding mechanism (5) drives the specimen tray (6) to move to a predetermined position in a first direction.
4. The impact specimen processing accuracy detection system according to claim 3, further comprising a specimen positioning device (7), wherein said specimen positioning device (7) is provided on a side of said camera device, said specimen positioning device (7) being adapted to position said specimen body (8) moved to said preset position.
5. The impact specimen processing accuracy detecting system according to claim 4, wherein a second detecting sensor is provided on the specimen positioning device (7), the second detecting sensor is connected to the camera device, the second detecting sensor is configured to detect whether the specimen body (8) is positioned in place, and the camera device photographs the specimen body (8) when the second detecting sensor detects that the specimen body (8) is positioned in place.
6. The impact specimen processing precision detection system according to claim 4, wherein a limit slot (61) is provided on the specimen tray (6), an extending direction of the limit slot (61) is a second direction, the second direction is perpendicular to the first direction, the specimen positioning device (7) comprises two telescopic cylinders (71), the two telescopic cylinders (71) are respectively located at two sides of the specimen conveying mechanism (5), and when the two telescopic cylinders (71) are stretched to push the specimen body (8) to move along the second direction so as to position the specimen body (8), the telescopic cylinders (71) are retracted.
7. The impact specimen processing accuracy detection system according to claim 1, further comprising a camera position adjustment device (4), wherein the front-view camera (1), the side-view camera (2), and the top-view camera (3) are connected to the corresponding camera position adjustment device (4), respectively.
8. The impact specimen processing accuracy detection system according to claim 1, wherein the recognition detection means includes an image recognition module and a measurement module, the camera means is connected to the image recognition module, and the image recognition module is connected to the measurement module.
9. The impact specimen processing accuracy detecting system according to claim 8, wherein the recognition detecting device further includes a voice broadcast module, and the voice broadcast module is connected to the measuring module.
10. A method for detecting the machining accuracy of an impact specimen, characterized by using the system for detecting the machining accuracy of an impact specimen according to any one of claims 1 to 9, comprising the steps of:
s1: placing a sample body (8) in a shooting range of a camera device of the impact sample processing precision detection system;
s2: a front-view camera (1), a side-view camera (2), and a top-view camera (3) of the camera device each photograph three surfaces of the sample body (8);
s3: the camera device transmits the shot image to an identification detection device of the impact sample processing precision detection system;
s4: the recognition detection device recognizes the shot image and detects the size of the shot image.
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| CN202211072347.8A CN115326517A (en) | 2022-09-02 | 2022-09-02 | Impact sample machining precision detection system and detection method |
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| CN202211072347.8A CN115326517A (en) | 2022-09-02 | 2022-09-02 | Impact sample machining precision detection system and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117346661A (en) * | 2023-11-04 | 2024-01-05 | 杭州钱江链传动有限公司 | Chain pin shaft detection method, system and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117346661A (en) * | 2023-11-04 | 2024-01-05 | 杭州钱江链传动有限公司 | Chain pin shaft detection method, system and storage medium |
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