CN108801181A - The surface roughness precise detection device of oilless bearing lubriation material - Google Patents
The surface roughness precise detection device of oilless bearing lubriation material Download PDFInfo
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- CN108801181A CN108801181A CN201810687301.4A CN201810687301A CN108801181A CN 108801181 A CN108801181 A CN 108801181A CN 201810687301 A CN201810687301 A CN 201810687301A CN 108801181 A CN108801181 A CN 108801181A
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- Prior art keywords
- bearing
- lubriation material
- fixedly connected
- oilless bearing
- surface roughness
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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
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses the surface roughness precise detection devices of oilless bearing lubriation material, including pedestal, the upper end of pedestal is fixedly connected with the camera bellows of upper end opening and the support column of camera bellows side, the upper end of support column is fixedly connected with support plate, the screw shell of lower ending opening is rotatably connected at the bottom centre of support plate by first bearing, screw shell internal thread is connected with threaded rod, the lower end of threaded rod passes through the open end of screw shell and extends downwardly, and fixation is rotatably connected to fixed plate, the lower end of support plate is fixedly connected with limit telescopic bar, the other end of limit telescopic bar is fixedly connected in fixed plate, fixing sleeve is connected to driven gear on the barrel of screw shell, the bottom of support plate is fixedly connected with driving motor.The present invention can be automatically performed the detection of oilless bearing lubriation material roughness with the surface gloss of on-line checking oilless bearing lubriation material by testing result Real-time Feedback to detecting system.
Description
Technical field
The present invention relates to precise detection device technical field more particularly to the surface roughness of oilless bearing lubriation material essences
Close detection device.
Background technology
Nonlubricated bearing, as the term suggests refer to not having to add lubricant that can also run well in the process using preceding or use,
And play the bearing of good friction reducing effect.Nonlubricated bearing belongs to one kind of sliding bearing.General sliding bearing is working
Before need to add lubricating oil, the lubricants such as lubricating grease, play effective lubricating action to form lubricating film on rubbing surface,
And oil-free plain besring is made of self-lubricating material or is filled in advance after lubricant and is sealed and can be used for a long time, the course of work
In do not have to addition lubricant.In recent years, as domestic industry develops, the oilless bearing lubriation material with surface high precision exists
It is had attracted much attention in industry, however due to the limitation of China's industrial manufacture process level, cause product quality irregular, therefore nothing
Oil bearing lubriation material Surface testing is particularly important.
Currently, overwhelming majority enterprise of China still uses traditional artificial detection method, oilless bearing lubriation material is placed
Within the scope of artificial vision, the irradiating angle of light is adjusted first, then carries out the detection of surface quality to product by observing,
Finally carry out rank differentiation according to testing result.Thus product quality and working efficiency place one's entire reliance upon the detection of quality inspection personnel
Experience is affected by subjective factor and qualification factor, it is difficult to meet the requirements such as high-precision, high efficiency and stable detection,
In addition, being subject to the Operating Complexity of artificial detection, it is therefore desirable to a kind of surface roughness precision inspection of oilless bearing lubriation material
Survey device.
Invention content
The purpose of the present invention is to solve oilless bearing lubriation material product quality and working efficiency in the prior art are complete
The full detection experience for depending on quality inspection personnel, is affected by subjective factor and qualification factor, it is difficult to meet high-precision, height
The requirements such as efficiency and stable detection, in addition, the problem of being subject to the Operating Complexity of artificial detection, and the oilless bearing lubrication proposed
The surface roughness precise detection device of material.
To achieve the goals above, present invention employs following technical solutions：
The surface roughness precise detection device of oilless bearing lubriation material, including pedestal, the upper end of the pedestal are fixed
It is connected with the camera bellows of upper end opening and the support column of camera bellows side, the upper end of the support column is fixedly connected with support plate, described
The screw shell of lower ending opening, the screw shell internal thread are rotatably connected at the bottom centre of support plate by first bearing
It is connected with threaded rod, the lower end of the threaded rod passes through the open end of screw shell and extends downwardly, and fixation is rotatably connected to
The lower end of fixed plate, the support plate is fixedly connected with limit telescopic bar, and the other end of the limit telescopic bar is fixedly connected on
In fixed plate, fixing sleeve is connected to driven gear on the barrel of the screw shell, and the bottom of the support plate is fixedly connected with drive
Dynamic motor, the output end of the driving motor is connected with the driving gear being meshed with driven gear by shaft coupling, described solid
Video camera is fixedly connected at the lower end center of fixed board, the output end of the video camera is connected with image pick-up card by conducting wire,
The output end of described image capture card connects the input terminal of computer by conducting wire, and the bottom in the camera bellows is equipped with removable
Fixture, the camera bellows are equipped with annular light source on the tank wall at top, in the camera lens face annular light source of the video camera
It is arranged at the heart.
Preferably, movable block and elevator are symmetrically connected on the side wall of the annular light source, the camera bellows corresponds to movement
The shifting chute to match with movable block is offered on the side wall of block position, the movable block is slidably connected in shifting chute, described
Nut is fixed in elevator, the nut inner thread is connected with lead screw, and the both ends of lead screw pass through nut and extend outwardly,
The lower end of the lead screw passes through nut and extends in camera bellows, and the bottom of camera bellows is rotatably connected on by second bearing.
Preferably, the one end of the threaded rod far from fixed plate is connected with fixture block, is fixedly attached on the side wall of the fixture block
There is 3rd bearing, is symmetrically connected with sliding block on the annular sidewall of the 3rd bearing, it is symmetrical on the inner tube wall of the screw shell
The sliding slot to match with sliding block is offered, the sliding block is slidably connected in corresponding sliding slot.
Preferably, the one end of the sliding block far from 3rd bearing offers rolling groove, and rolling is equipped in the rolling groove
Ball, the one end of the ball far from rolling groove slot bottom passes through the notch of rolling groove and extends outwardly, and is fixedly connected on sliding slot
Slot bottom.
Preferably, the camera end of the video camera is equipped with enlarging lens.
Preferably, the upper end of the lead screw sequentially passes through nut and camera bellows and upwardly extends, and is fixedly connected with rotating disc.
Preferably, the sphere diameter of the ball is more than the slot diameter of rolling groove notch.
Compared with prior art, the present invention provides the surface roughness precise detection device of oilless bearing lubriation material,
Has following advantageous effect：
1, the surface roughness precise detection device of the oilless bearing lubriation material, by the way that camera bellows, video camera, image is arranged
Capture card, computer, Movable clamp and annular light source, collection Application Optics technology, computer technology, digital image processing skill
Art, online Technology of Precision Measurement increase the brightness on oilless bearing lubriation material to be detected surface by annular light source in one,
Camera acquisition image data is simultaneously transmitted to image pick-up card, and then picture signal is transmitted to computer and carried out by image pick-up card
It calculates, it can be with the surface gloss of on-line checking oilless bearing lubriation material, by testing result Real-time Feedback to detecting system, certainly
The dynamic detection for completing oilless bearing lubriation material roughness, effective solution oilless bearing lubriation material manufacturing enterprise detection limit
The problems such as efficiency is low, detection is unstable.
2, the surface roughness precise detection device of the oilless bearing lubriation material, by be threaded sleeve, threaded rod,
Fixed plate, limit telescopic bar, driven gear, driving motor and driving gear, when needing height and position where adjusting video camera, control
The steering of driving motor processed, driving motor drive driving gear rotation, are driven by the driven gear being meshed with driving gear
Screw shell rotates, under the vertical direction position-limiting action of limit telescopic bar, so that threaded rod turns according to screw shell
To the movement for driving the fixed plate of connection video camera that vertical direction occurs.
Description of the drawings
Fig. 1 is the structural representation of the surface roughness precise detection device of oilless bearing lubriation material proposed by the present invention
Figure；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the enlarged drawing of part B in Fig. 2；
Fig. 4 is the enlarged drawing of C portion in Fig. 1.
In figure：1 pedestal, 2 camera bellows, 3 support columns, 4 support plates, 5 screw shells, 6 threaded rods, 7 fixed plates, 8 limit telescopics
Bar, 9 driven gears, 10 driving motors, 11 driving gears, 12 video cameras, 13 image pick-up cards, 14 Movable clamps, 15 annulars
Light source, 16 movable blocks, 17 elevators, 18 shifting chutes, 19 nuts, 20 lead screws, 21 fixture blocks, 22 3rd bearings, 23 sliding blocks, 24 are slided
Slot, 25 rolling grooves, 26 balls, 27 enlarging lens, 28 rotating discs, 29 computers.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, the surface roughness precise detection device of oilless bearing lubriation material, including pedestal 1, pedestal 1
Upper end is fixedly connected with the support column 3 of 2 side of camera bellows 2 and camera bellows of upper end opening, and the upper end of support column 3 is fixedly connected with support
Plate 4, is rotatably connected to the screw shell 5 of lower ending opening at the bottom centre of support plate 4 by first bearing, in screw shell 5
It is threaded with threaded rod 6, the lower end of threaded rod 6 passes through the open end of screw shell 5 and extends downwardly, and fixed rotation connection
There are fixed plate 7, the lower end of support plate 4 to be fixedly connected with limit telescopic bar 8, the other end of limit telescopic bar 8 is fixedly connected on
On fixed board 7, fixing sleeve is connected to driven gear 9 on the barrel of screw shell 5, and the bottom of support plate 4 is fixedly connected with driving motor
10, the output end of driving motor 10 is connected with the driving gear 11 being meshed with driven gear 9 by shaft coupling, fixed plate 7
Video camera 12 is fixedly connected at the center of lower end, the output end of video camera 12 is connected with image pick-up card 13, image by conducting wire
The output end of capture card 13 connects the input terminal of computer 29, collection Application Optics technology, computer technology, digitized map by conducting wire
As treatment technology, online Technology of Precision Measurement are in one, oilless bearing lubriation material table to be detected is increased by annular light source 15
The brightness in face, video camera 12 acquire image data and are transmitted to image pick-up card 13, and then image pick-up card 13 believes image
Number being transmitted to computer 29 is calculated, can be with the surface gloss of on-line checking oilless bearing lubriation material, by testing result
Real-time Feedback is automatically performed the detection of oilless bearing lubriation material roughness to detecting system, effective solution oilless bearing
The problems such as amount efficiency is low, detection is unstable detect in lubriation material manufacturing enterprise, and the bottom in camera bellows 2 is equipped with removable folder
Tool 14, camera bellows 2 is equipped with annular light source 15, the center of the camera lens face annular light source 15 of video camera 12 on the tank wall at top
Place's setting when needing to adjust 12 place height and position of video camera, controls the steering of driving motor 10, and driving motor 10 drives actively
Gear 11 rotates, and drives screw shell 5 to rotate by the driven gear 9 being meshed with driving gear 11, in limit telescopic bar 8
Under vertical direction position-limiting action, so that threaded rod 6 drives the fixed plate of connection video camera 12 according to the steering of screw shell 5
7 occur the movement of vertical direction.
Movable block 16 and elevator 17 are symmetrically connected on the side wall of annular light source 15, camera bellows 2 corresponds to 16 position of movable block
Side wall on offer the shifting chute 18 to match with movable block 16, movable block 16 is slidably connected in shifting chute 18, elevator
It is fixed with nut 19 in 17,19 internal thread of nut is connected with lead screw 20, and the both ends of lead screw 20 pass through nut 19 and to extension
It stretches, the lower end of lead screw 20 passes through nut 19 and extends in camera bellows 2, and the bottom of camera bellows 2 is rotatably connected on by second bearing,
Rotary screw rod 20, the movement of vertical direction occurs for movable block 16 under the cooperation of nut 19, and then annular light source 15 is driven to occur
The movement of vertical direction easily adjusts the position of annular light source 15, and then changes annular light source 15 to nothing to be detected
The influence of oil bearing lubriation material surface brightness.
The one end of threaded rod 6 far from fixed plate 7 is connected with fixture block 21, and fixing sleeve is connected to 3rd bearing on the side wall of fixture block 21
22, sliding block 23 is symmetrically connected on the annular sidewall of 3rd bearing 22, is symmetrically offered on the inner tube wall of screw shell 5 and sliding block
23 sliding slots 24 to match, sliding block 23 are slidably connected in corresponding sliding slot 24, and the is driven by fixture block 21 when threaded rod 6 moves
Three bearings 22 move, and then are moved synchronously in sliding slot 24 with movable slider 23, when sliding block 23 moves to the end of sliding slot 24 simultaneously
When stopping mobile, threaded rod 6 also stops occurring the phenomenon that moving, effectively prevent threaded rod 6 from screwing out screw shell 5 therewith, and
And when 5 internal chute 24 of screw shell is rotated with movable slider 23, threaded rod 6 will not be impacted by 3rd bearing 22.
The one end of sliding block 23 far from 3rd bearing 22 offers rolling groove 25, and the ball 26 rolled is equipped in rolling groove 25,
The one end of ball 26 far from 25 slot bottom of rolling groove passes through the notch of rolling groove 25 and extends outwardly, and is fixedly connected on sliding slot 24
Slot bottom is rolled by ball 26 and reduces frictional force suffered when sliding block 23 moves in sliding slot 24.
The camera end of video camera 12 is equipped with enlarging lens 27, increases what video camera 12 shot oilless bearing lubriation material
Clarity.
The upper end of lead screw 20 sequentially passes through nut 19 and camera bellows 2 and upwardly extends, and is fixedly connected with rotating disc 28, rotation
Rotating disc 28 easily drives lead screw 20 to rotate.
The sphere diameter of ball 26 is more than the slot diameter of 25 notch of rolling groove, prevents ball 26 from skidding off rolling groove 25.
In the present invention, oilless bearing lubriation material to be measured is positioned over to 14 upper end of Movable clamp in camera bellows 2；Adjusting is taken the photograph
Camera 12 opens annular light source 15 to required height, and adjusts annular light source 15 to ensure brightness sufficient in camera bellows 2, shines
Bright oilless bearing lubriation material surface, in order to Image Acquisition；The lens location for adjusting video camera 12, makes focusing surface in nothing to be measured
On the tested surface of oil bearing lubriation material, using video camera 12, to oilless bearing lubriation material, some clear position bat put takes
Image, adjusting makes video camera 12 rise according to the spacing distance of setting, carries out oilless bearing lubriation material surface and is continuously shot,
Until clapping the picture blur taken, and then the Series microscopy images of complete set are obtained, and is sent by image pick-up card 13
Into computer 29, after completion to be captured, control 12 camera lens of video camera returns to initial position, and a width figure is acquired every 52 μm
Picture；Mobile Movable clamp 14 so that oilless bearing lubriation material also moves one end distance, the above is repeated, to nothing
Continuous 5 points in oil bearing lubriation material surface are shot, and to obtain 5 sets of complete Series microscopy images, and pass through image
Capture card 13 is sent in computer 29；Then control camera lens returns to initial position, and it includes quilt to make the Series microscopy images of acquisition
The information of oilless bearing lubriation material whole Z-direction is surveyed, each image has focus and fuzzy region, then in sequence
Image co-registration is carried out by certain fusion rule in row image and obtains the corresponding focus position of each pixel, Jin Erchong
Structure goes out the different total focus image of 5 width；It is calculated using the self-adaptive smooth filtering being improved based on traditional gaussian filtering method
Method is filtered sequence image, and the blending algorithm based on color notation conversion space is carried out after completing image registration and is carried out
Image co-registration；The image depth information of continuous 5 points is obtained using Measure Algorithm；, after completing image co-registration, calculated using estimating
Method calculates image depth information, and the principle of Focus field emission array algorithm is that selective focus operator, selects variance focusing operator, and with
FMV may be used as Focus field emission array operator to restore figure depth information；Oilless bearing to be measured, which is recovered, by interpolation fitting lubricates material
Expect the more accurate depth information of 5, surface point, and then constructs the two dimension of oilless bearing lubriation material surface roughness to be measured
Lateral contour, and using this two-dimensional curve as computing object, then formula is utilized to calculate the average roughness value of 5 points, be used in combination
It indicates the surface roughness of tested oilless bearing lubriation material, and more accurate object is recovered finally by interpolation fitting
Surface half-tone information realizes and is tested oilless bearing lubriation material surface tri-dimensional profile by two-dimensional sequence image reconstruction, and to its into
Row analysis calculates, and obtains specific mean roughness numerical value, then be compared analysis with the numerical value that contact pin type contourgraph is measured, most
It is shown in the display of computer 29 eventually；When needing to adjust 12 place height and position of video camera, control driving motor 10 turns
To driving motor 10 drives driving gear 11 to rotate, and screw shell is driven by the driven gear 9 being meshed with driving gear 11
5 rotations, under the vertical direction position-limiting action of limit telescopic bar 8, so that steering ribbon of the threaded rod 6 according to screw shell 5
The movement of vertical direction occurs for the fixed plate 7 of dynamic connection video camera 12.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. the surface roughness precise detection device of oilless bearing lubriation material, including pedestal (1), camera bellows (2), support column (3),
Support plate (4), screw shell (5), threaded rod (6), fixed plate (7), limit telescopic bar (8), driven gear (9), driving motor
(10), driving gear (11), video camera (12), image pick-up card (13), Movable clamp (14), annular light source (15), movement
Block (16), elevator (17), shifting chute (18), nut (19), lead screw (20), fixture block (21), 3rd bearing (22), sliding block
(23), sliding slot (24), rolling groove (25), ball (26), enlarging lens (27), rotating disc (28) and computer (29)；
It is characterized in that：The upper end of the pedestal (1) is fixedly connected with the camera bellows (2) of upper end opening and the branch of camera bellows (2) side
The upper end of dagger (3), the support column (3) is fixedly connected with support plate (4), passes through at the bottom centre of the support plate (4)
First bearing is rotatably connected to the screw shell (5) of lower ending opening, and screw shell (5) internal thread is connected with threaded rod (6),
The lower end of the threaded rod (6) passes through the open end of screw shell (5) and extends downwardly, and fixation is rotatably connected to fixed plate
(7), the lower end of the support plate (4) is fixedly connected with limit telescopic bar (8), and the other end of the limit telescopic bar (8) is fixed
It is connected in fixed plate (7), fixing sleeve is connected to driven gear (9), the support plate (4) on the barrel of the screw shell (5)
Bottom be fixedly connected with driving motor (10), the output end of the driving motor (10) is connected with by shaft coupling and driven tooth
The driving gear (11) that (9) are meshed is taken turns, video camera (12) is fixedly connected at the lower end center of the fixed plate (7), it is described
The output end of video camera (12) is connected with image pick-up card (13) by conducting wire, and the output end of described image capture card (13) passes through
Conducting wire connects the input terminal of computer (29), and the bottom in the camera bellows (2) is equipped with Movable clamp (14), the camera bellows
(2) annular light source (15) is installed on the tank wall at top, the camera lens face annular light source (15) of the video camera (12)
It is arranged at center.
2. the surface roughness precise detection device of oilless bearing lubriation material as described in claim 1, it is characterised in that：Institute
It states and is symmetrically connected with movable block (16) and elevator (17) on the side wall of annular light source (15), the camera bellows (2) corresponds to movable block
(16) shifting chute (18) to match with movable block (16) is offered on the side wall of position, the movable block (16) is slidably connected at
In shifting chute (18), it is fixed with nut (19) in the elevator (17), nut (19) internal thread is connected with lead screw
(20), and the both ends of lead screw (20) pass through nut (19) and extend outwardly, and the lower end of the lead screw (20) passes through nut (19) simultaneously
It extends in camera bellows (2), and is rotatably connected on the bottom of camera bellows (2) by second bearing.
3. the surface roughness precise detection device of oilless bearing lubriation material as described in claim 1, it is characterised in that：Institute
It states the one end of threaded rod (6) far from fixed plate (7) and is connected with fixture block (21), fixing sleeve is connected to the on the side wall of the fixture block (21)
Three bearings (22), are symmetrically connected with sliding block (23) on the annular sidewall of the 3rd bearing (22), the screw shell (5) it is interior
The sliding slot (24) to match with sliding block (23) is symmetrically offered on barrel, the sliding block (23) is slidably connected at corresponding sliding slot
(24) in.
4. the surface roughness precise detection device of oilless bearing lubriation material as described in claim 1, it is characterised in that：Institute
It states the one end of sliding block (23) far from 3rd bearing (22) and offers rolling groove (25), the rolling rolled is equipped in the rolling groove (25)
Pearl (26), the one end of the ball (26) far from rolling groove (25) slot bottom pass through the notch of rolling groove (25) and extend outwardly, and
It is fixedly connected on the slot bottom of sliding slot (24).
5. the surface roughness precise detection device of oilless bearing lubriation material as described in claim 1, it is characterised in that：Institute
The camera end for stating video camera (12) is equipped with enlarging lens (27).
6. the surface roughness precise detection device of oilless bearing lubriation material as described in claim 1, it is characterised in that：Institute
The upper end for stating lead screw (20) sequentially passes through nut (19) and camera bellows (2) and upwardly extends, and is fixedly connected with rotating disc (28).
7. the surface roughness precise detection device of oilless bearing lubriation material as described in claim 1, it is characterised in that：Institute
The sphere diameter for stating ball (26) is more than the slot diameter of rolling groove (25) notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687301.4A CN108801181B (en) | 2018-06-28 | 2018-06-28 | Surface roughness precision detection device for oilless bearing lubricating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687301.4A CN108801181B (en) | 2018-06-28 | 2018-06-28 | Surface roughness precision detection device for oilless bearing lubricating material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108801181A true CN108801181A (en) | 2018-11-13 |
| CN108801181B CN108801181B (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810687301.4A Active CN108801181B (en) | 2018-06-28 | 2018-06-28 | Surface roughness precision detection device for oilless bearing lubricating material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141298A (en) * | 2018-09-05 | 2019-01-04 | 广州达欧技术检测有限公司 | A kind of ball-type piece surface curve detection system |
| CN113514023A (en) * | 2021-09-14 | 2021-10-19 | 南通荷风环保科技有限公司 | Energy-saving and environment-friendly device for efficiently detecting flatness of case |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403853A (en) * | 2016-11-15 | 2017-02-15 | 沈阳建筑大学 | Stone material surface roughness on-line detection device and stone material surface roughness on-line detection method |
| CN207953933U (en) * | 2018-01-23 | 2018-10-12 | 沈阳海人科技有限公司 | One kind being used for underwater robot image acquisition camera |
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2018
- 2018-06-28 CN CN201810687301.4A patent/CN108801181B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403853A (en) * | 2016-11-15 | 2017-02-15 | 沈阳建筑大学 | Stone material surface roughness on-line detection device and stone material surface roughness on-line detection method |
| CN207953933U (en) * | 2018-01-23 | 2018-10-12 | 沈阳海人科技有限公司 | One kind being used for underwater robot image acquisition camera |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141298A (en) * | 2018-09-05 | 2019-01-04 | 广州达欧技术检测有限公司 | A kind of ball-type piece surface curve detection system |
| CN113514023A (en) * | 2021-09-14 | 2021-10-19 | 南通荷风环保科技有限公司 | Energy-saving and environment-friendly device for efficiently detecting flatness of case |
| CN113514023B (en) * | 2021-09-14 | 2021-11-16 | 南通荷风环保科技有限公司 | Energy-saving and environment-friendly device for efficiently detecting flatness of case |
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