CN107748063A - Gas plane static pressure flow controller micro flow field parameter scanning instrument based on two-dimentional automatic platform - Google Patents
Gas plane static pressure flow controller micro flow field parameter scanning instrument based on two-dimentional automatic platform Download PDFInfo
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- CN107748063A CN107748063A CN201711141255.XA CN201711141255A CN107748063A CN 107748063 A CN107748063 A CN 107748063A CN 201711141255 A CN201711141255 A CN 201711141255A CN 107748063 A CN107748063 A CN 107748063A
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- guide rail
- master control
- control set
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- stepper motor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
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- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of gas plane static pressure flow controller micro flow field parameter scanning instrument based on two-dimentional automatic platform to carry out two-dimensional scan collection to air film miniflow field parameters automatically.The present invention includes:Regulation handle, flat board, tight split nut, support bar, ball-screw, screw sleeve, abutment sleeve, connecting rod, bolt, plane flow controller, one-dimensional guide rail, stepper motor, workbench, base support frame, base pulley, temperature, pressure integrated transducer, displacement transducer, fixed support, regulating sleeve, master control set.The present invention can reduce assumed condition, have practicality and referential, and automaticity is high, reduces the interference of human factor, deeply talked long to air film micro flow field parameter distribution, experimental provision and empirical theory are provided for selection optimal performance air film miniflow field parameters.
Description
Technical field
The present invention relates to a kind of airflow field parameter measurement field, specifically a kind of gas based on two-dimentional automatic platform
Plane static pressure flow controller micro flow field parameter scanning instrument.
Background technology
Gas plane static pressure flow controller has been widely used in the lubricating arrangement in bearing technology since being modern age, navigated in aviation
My god, medical services, electronic technology, the industry such as ocean engineering and nuclear power development generally use gas plane hydrostatic bearing skill
Art.Bearing holder (housing, cover) surface is furnished with supply aperture, and in axis of rolling operation process, gas is formed by the supply aperture on bearing holder (housing, cover)
High pressure, between bearing holder (housing, cover) and the axis of rolling, play a part of lubrication.In order to probe into air film field between bearing holder (housing, cover) and the axis of rolling
Parameter distribution, seek the optimal air film micro flow field of performance, it is necessary to design a set of device for being directed to air film flow field parameter and probing into.
The device for being presently used for measuring gas-static plane flow controller uses manual measurement more, and automaticity is not high, and
And the parameter measurement of plane flow controller is all in the case of assuming that air film micro flow field is symmetrical, is carried out using sensor one-dimensional manually
Measurement, precision is low, and measurement effect is poor.Therefore, it is necessary to a set of automaticity height is designed, to the whole gas of plane static pressure flow controller
Film micro flow field realizes the device of two-dimentional automatic measurement.
The content of the invention
The present invention lacks for prior art, there is provided a kind of gas plane static pressure throttling based on two-dimentional automatic platform
Device micro flow field parameter scanning instrument.
Apparatus of the present invention include:Regulation handle, flat board, tight split nut, support bar, ball-screw, screw sleeve, positioning sleeve
Cylinder, connecting rod, bolt, plane flow controller, one-dimensional guide rail, stepper motor, workbench, base support frame, base pulley,
Temperature, pressure integrated transducer, displacement transducer, fixed support, regulating sleeve, master control set.
Described flat board has upper flat plate and lower flat board, is connected between described flat board by described support bar, and described in use
Tight split nut be fixed, described base support frame is arranged on below described lower flat board, the installation of described base pulley
Below described lower flat board;
Described screw sleeve, described abutment sleeve, described connecting rod and described bolt forms cross
Retainer ring, and on described support bar, position is between described upper flat plate and described lower flat board, described ball
Leading screw passes through described upper flat plate and cross retainer ring, and described regulation handle is arranged on the top of described ball-screw, institute
The plane flow controller stated is arranged on the lower end of described screw sleeve;
Described one-dimensional guide rail include upper one-dimensional guide rail and under one-dimensional guide rail, one-dimensional guide rail is fixed on described under described
On lower flat board, described stepper motor includes upper stepper motor and lower stepper motor, and described lower stepper motor is arranged on described
Under one-dimensional rail-sides side, described upper one-dimensional guide rail be arranged on it is described under one-dimensional guide rail top, described upper stepping electricity
Machine is arranged on the side of described upper one-dimensional guide rail, and described workbench is arranged on above described upper one-dimensional guide rail;
Described master control set includes power supply indicator, touch display screen, circuit board, power interface and switch key,
Described temperature, pressure integrated transducer is arranged on below described workbench, and described fixed support is arranged on described
Above lower flat board, described displacement transducer is positioned by described fixed support and described regulating sleeve, and tightly
It is attached to above described plane flow controller, described upper stepper motor, described lower stepper motor, described temperature, pressure one
Change sensor and described displacement transducer is connected on described master control set.
The present invention master control system include master control set, stepper motor, one-dimensional guide rail, temperature, pressure integrated transducer with
And displacement transducer, described master control set pass through internal circuit board and described stepper motor, temperature, pressure integrated sensing
Device and displacement transducer connection;
The present invention workflow be:Switch key is pressed, ware circuit brings into operation, described power supply indicator
It is glittering, press the beginning membrane keyboard in touch display screen, temperature, pressure integrated transducer, displacement transducer and stepper motor
Data can be real-time transmitted to touch display screen interface;Bolt is unclamped, rotates adjusting handle, regulation plane flow controller and work
The distance between platform (air-film thickness), the displacement transducer data at observation touch display screen interface, regulation to the air film needed
Thickness, stop operating adjusting handle, screwed in place bolt;The reset membrane keyboard in touch display screen is pressed, master control set calls
Guide rail reset routine, the temperature, pressure integrated transducer on two-dimentional guide rail workbench is moved to collection origin;Press tactile
Touch the collection membrane keyboard on display screen, master control set calls guide rail Control & data acquisition software, while control guide rail movement and
Data acquisition, and real-time data transmission is shown to touch display screen, call data to preserve software and store data into SD
In card;Data acquisition is finished, and presses the shift knob on master control set, and system is closed.
Described guide rail reset routine includes following processing step:
The first step, for the first time during start runtime, guide rail position is adjusted, reaches data acquisition origin;
Second step, the position for setting collection origin is (0,0), is stored data on master control set circuit board
On eeprom chip;
3rd step, two-dimentional guide rail often move a segment distance, calculate the difference with origin, difference is saved in into eeprom chip
On, and cover former data;
4th step, while covering former data, and guide rail moving direction is saved on eeprom chip;
5th step, operation program of starting shooting every time, master control set read the displacement and moving direction of two-dimentional guide rail automatically;
6th step, presses reset membrane keyboard, the displacement of master control set then reverse execution two dimension guide rail, moves guide rail
To data acquisition origin.
Described guide rail Control & data acquisition program includes following processing step:
The first step:Press the collection membrane keyboard in touch display screen, master control set collecting temperature pressure integrated sensor
The temperature and pressure data of output;
Second step, touch display screen real-time display temperature and pressure signal, master control set calculate signal in the set time
Variable quantity, judges whether signal exceeds threshold value;
3rd step, change amount signal exceed threshold value, then signal is in non-stable state, continue to gather signal;
4th step, signal are in stable state, and master control set sends guide rail movable signal, and guide rail moves, and will be mobile
Distance is saved in eeprom chip;
5th step, guide rail movement finish, and send data acquisition signal, and master control set continues gathered data;
6th step, master control set often move a segment distance, judge whether one-dimensional guide rail is moved to border, if being moved to side
Boundary, then another one guide rail be moved to next column data collection point, a reverse gathered data of guide rail;
7th step, when upper and lower one-dimensional guide rail is moved to border, transmission sideband signal, master control set stops data collection.
Described data, which preserve software, includes following processing step:
The first step, presses the collection membrane keyboard in touch display screen, and program names newly-built electronic watch in SD card with the time
Lattice file;
Second step, the gathered data of each row is stored in array of data with row, and is protected first before a data
Deposit the signal that one-dimensional guide rail is positive gathered data and reverse gathered data;
3rd step, a column data is often gathered, judged the signal of data acquisition sequence, according to signal by the data in array
Write SD card;
4th step, collection finish, and program produces data acquisition end signal, master control set reception signal, closes electronics text
Part, end operation.
The beneficial effects of the invention are as follows:Automatically two-dimentional whole scan collection can be carried out to air film miniflow field parameters, most truly
Ground reflects the parameter distribution of whole air film field;Package unit automaticity is high, reduces the interference of human factor;Single unit system
Adaptability it is high, the plane static pressure chokes parameters for going for all areas less than workbench measure, optimal to select
Performance air film miniflow field parameters provide experimental provision and empirical theory.
Brief description of the drawings
Fig. 1 is overall three-dimensional structure diagram of the invention;
Fig. 2 is master control system theory diagram of the present invention;
Fig. 3 is master control set theory diagram of the present invention;
Fig. 4 is the workflow diagram of the present invention;
Fig. 5 is the flow of guide rail reset routine of the present invention;
Fig. 6 is guide rail Control & data acquisition program of the present invention;
Fig. 7 is the flow of data save routine of the present invention;
Fig. 8 is whole software execution flow journey figure of the invention.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
As shown in figure 1, the present invention includes:Regulation handle 1, upper flat plate 2, tight split nut 3, ball-screw 4, support bar 5, silk
Mother sleeve 6, bolt 7, plane flow controller 8, workbench 9, temperature, pressure integrated transducer 10, under one-dimensional guide rail 11,
Lower stepper motor 12, upper stepper motor 13, lower flat board 14, base pulley 15, base support frame 16, master control set 17, fixed branch
Frame 18, upper one-dimensional guide rail 19, regulating sleeve 20, abutment sleeve 21, displacement transducer 22, connecting rod 23.
Described flat board has upper flat plate 2 and lower flat board 14, is connected, is used in combination by described support bar 5 between described flat board
Described tight split nut 3 is fixed, and described base support frame 16 is arranged on the described lower section of lower flat board 14, described bottom
Seat pulley 15 is arranged on the described lower section of lower flat board 14;
Described screw sleeve 6, described abutment sleeve 21, described connecting rod 23 and the described structure of bolt 7
Into cross retainer ring, and on the described support bar 5, position between described upper flat plate 2 and described lower flat board 14,
Described ball-screw 4 passes through described upper flat plate 2 and cross retainer ring, and described regulation handle 1 is arranged on described ball
The top of leading screw 4, described plane flow controller 8 are arranged on the lower end of described screw sleeve 6;
Described one-dimensional guide rail includes upper one-dimensional guide rail 19 one-dimensional guide rail 11 with, and one-dimensional guide rail 11 is fixed under described
On described lower flat board 14, described stepper motor includes upper stepper motor 13 and lower stepper motor 12, described lower stepping
Motor 12 be arranged on it is described under the one-dimensional side of guide rail 11, described upper one-dimensional guide rail 19 be arranged on it is described under one-dimensional guide rail 11
Top, described upper stepper motor 13 is arranged on the side of described upper one-dimensional guide rail 19, and described workbench 9 is arranged on
Above described upper one-dimensional guide rail;
Described master control set 17 includes power supply indicator, touch display screen, circuit board, power interface and switch and pressed
Key, described temperature, pressure integrated transducer 10 are arranged on the described lower section of workbench 9, and described fixed support 18 is installed
Above described lower flat board 14, described displacement transducer 22 passes through described fixed support 18 and described regulating sleeve
20 are positioned, and are close to the described top of plane flow controller 8, described upper stepper motor 13, described lower stepper motor
12nd, described temperature, pressure integrated transducer 10 and described displacement transducer 22 are connected on described master control set 17.
As shown in Figure 2,3, master control system system of the invention include master control set 17, stepper motor 12,13, one-dimensional lead
Rail 11,19, temperature, pressure integrated transducer 10 and displacement transducer 22, described master control set 17 include power supply instruction
Lamp, touch display screen, circuit board, power interface and switch key.
As shown in Figure 4,5, workflow of the invention is:Switch key is pressed, ware circuit brings into operation, described
Power supply indicator it is glittering, press the beginning membrane keyboard in touch display screen, temperature, pressure integrated transducer 10, displacement sensing
The data of device 22 and stepper motor 12,13 can be real-time transmitted to the touch display screen interface of master control set 17;Unclamp bolt
7, adjusting handle 1, the distance between regulation plane flow controller 8 and workbench 9 (air-film thickness) are rotated, observation touches display
Shield the data of displacement transducer 22 at interface, regulation is to the air-film thickness needed, and stop operating adjusting handle 1, screwed in place bolt
7;The reset membrane keyboard in touch display screen is pressed, master control set 17 calls guide rail reset routine, by two-dimentional guide rail workbench 9
On temperature, pressure integrated transducer 10 be moved to collection origin;Press the collection membrane keyboard in touch display screen, master control dress
17 calling guide rail Control & data acquisition softwares are put, while control the movement of guide rail 11,19 and data acquisition, and data are passed in real time
It is defeated to be shown to touch display screen, call data to preserve software and store data into SD card;Data acquisition finishes, and presses master
The shift knob on device 17 is controlled, system is closed.The program execution flow of the present invention is as shown in Figure 5.
As shown in fig. 6, described guide rail reset routine includes following processing step:
The first step, for the first time during start runtime, guide rail position is adjusted, reaches data acquisition origin;
Second step, the position for setting collection origin is (0,0), is stored data on master control set circuit board
On eeprom chip;
3rd step, two-dimentional guide rail often move a segment distance, calculate the difference with origin, difference is saved in into EEPROM cores
On piece, and cover former data;
4th step, while covering former data, and guide rail moving direction is saved on eeprom chip;
5th step, operation program of starting shooting every time, master control set read the displacement and moving direction of two-dimentional guide rail automatically;
6th step, presses reset membrane keyboard, the displacement of master control set then reverse execution two dimension guide rail, moves guide rail
To data acquisition origin.
As shown in fig. 7, described guide rail Control & data acquisition program includes following processing step:
The first step:Press the collection membrane keyboard in touch display screen, master control set collecting temperature pressure integrated sensor
The temperature and pressure data of output;
Second step, touch display screen real-time display temperature and pressure signal, master control set calculate signal in the set time
Variable quantity, judges whether signal exceeds threshold value;
3rd step, change amount signal exceed threshold value, then signal is in non-stable state, continue to gather signal;
4th step, signal are in stable state, and master control set sends guide rail movable signal, and guide rail moves, and will be mobile
Distance is saved in eeprom chip;
5th step, guide rail movement finish, and send data acquisition signal, and master control set continues gathered data;
6th step, master control set often move a segment distance, judge whether one-dimensional guide rail is moved to border, if being moved to side
Boundary, then another one guide rail be moved to next column data collection point, a reverse gathered data of guide rail;
7th step, when upper and lower one-dimensional guide rail is moved to border, transmission sideband signal, master control set stops data collection.
As shown in figure 8, described data, which preserve software, includes following processing step:
The first step, presses the collection membrane keyboard in touch display screen, and program names newly-built electronic watch in SD card with the time
Lattice file;
Second step, the gathered data of each row is stored in array of data with row, and is protected first before a data
Deposit the signal that one-dimensional guide rail is positive gathered data and reverse gathered data;
3rd step, a column data is often gathered, judged the signal of data acquisition sequence, according to signal by the data in array
Write SD card;
4th step, collection finish, and program produces data acquisition end signal, master control set reception signal, closes electronics text
Part, end operation.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (4)
1. the gas plane static pressure flow controller micro flow field parameter scanning instrument based on two-dimentional automatic platform, including:Regulation handle (1),
Upper flat plate (2), tight split nut (3), ball-screw (4), support bar (5), screw sleeve (6), bolt (7), plane throttling
Device (8), workbench (9), temperature, pressure integrated transducer (10, under one-dimensional guide rail (11, lower stepper motor (12), upper stepping
Motor (13), lower flat board (14), base pulley (15), base support frame (16), master control set (17), fixed support (18), on
One-dimensional guide rail (19), regulating sleeve (20, abutment sleeve (21), displacement transducer (22), connecting rod (23);
Described flat board has upper flat plate (2) and lower flat board (14), is connected between described flat board by described support bar (5), and
With described tight split nut, (3 are fixed, and described base support frame (16) is arranged on below described lower flat board (14), institute
The base pulley (15) stated is arranged on below described lower flat board (14);
Described screw sleeve (6), described abutment sleeve (21), described connecting rod (23) and described bolt
(7) cross retainer ring is formed, and on the described support bar (5), position is in described upper flat plate (2) and described lower puts down
Between plate (14), described ball-screw (4) passes through described upper flat plate (2) and cross retainer ring, described regulation handle (1)
Installed in the top of described ball-screw (4), described plane flow controller (8) is arranged under described screw sleeve (6)
End;
Described one-dimensional guide rail include upper one-dimensional guide rail (19) and under one-dimensional guide rail (11), one-dimensional guide rail (11) fixation under described
On described lower flat board (14), described stepper motor includes upper stepper motor (13) and lower stepper motor (12), described
Lower stepper motor (1) be arranged on it is described under one-dimensional guide rail (11) side, described upper one-dimensional guide rail (19) be arranged on it is described
Under one-dimensional guide rail (11) top, described upper stepper motor (13) be arranged on described upper one-dimensional guide rail (19) side, institute
The workbench (9) stated is arranged on above described upper one-dimensional guide rail;
Described master control set (17) includes power supply indicator, touch display screen, circuit board, power interface and switch key,
Described temperature, pressure integrated transducer (10) is arranged on below described workbench (9), described fixed support (18)
Above described lower flat board (14), described displacement transducer (22) passes through described fixed support (18) and described
Regulating sleeve (20) positioned, and be close to above described plane flow controller (8), described upper stepper motor (13),
Described lower stepper motor (12), described temperature, pressure integrated transducer (10) and described displacement transducer (22) connection
Onto described master control set (17).
2. using the device as shown in claim 1, the gas plane static pressure flow controller micro flow field ginseng based on two-dimentional automatic platform
Number scanner, it is characterised in that:Switch key is pressed, ware circuit brings into operation, and described power supply indicator is glittering, presses
Beginning membrane keyboard in lower touch display screen, temperature, pressure integrated transducer (10), displacement transducer (22) and stepper motor
The data of (12,13) can be real-time transmitted to the touch display screen interface of master control set (17);Bolt (7) is unclamped, rotates and adjusts
Handwheel (1) is saved, the distance between regulation plane flow controller (8) and workbench (9) (air-film thickness), observes touch display screen circle
Displacement transducer (22) data in face, regulation to the air-film thickness needed, the adjusting handle that stops operating (1), screwed in place bolt
(7);The reset membrane keyboard in touch display screen is pressed, master control set (17) calls guide rail reset routine, two-dimentional guide rail is worked
Temperature, pressure integrated transducer (10) on platform (9) is moved to collection origin;The collection pressed in touch display screen touches
Key, master control set (17) call guide rail Control & data acquisition software, while control guide rail (11,19) movement and data acquisition,
And shown real-time data transmission to touch display screen, call data to preserve software and store data into SD card;Data
Collection is finished, and presses the shift knob on master control set (17), and system is closed.
3. the gas plane static pressure flow controller micro flow field parameter scanning according to claim 2 based on two-dimentional automatic platform
Instrument, it is characterised in that:Described guide rail reset routine includes following processing step:
The first step, for the first time during start runtime, guide rail position is adjusted, reaches data acquisition origin;
Second step, the position for setting collection origin is (0,0), the eeprom chip stored data on master control set circuit board
On;
3rd step, two-dimentional guide rail often move a segment distance, calculate the difference with origin, difference is saved on eeprom chip,
And cover former data;
4th step, while covering former data, and guide rail moving direction is saved on eeprom chip;
5th step, operation program of starting shooting every time, master control set read the displacement and moving direction of two-dimentional guide rail automatically;
6th step, presses reset membrane keyboard, the displacement of master control set then reverse execution two dimension guide rail, guide rail is moved to number
According to collection origin.
4. the gas plane static pressure flow controller micro flow field parameter scanning according to claim 2 based on two-dimentional automatic platform
Instrument, it is characterised in that:Described guide rail Control & data acquisition program includes following processing step:
The first step:Press the collection membrane keyboard in touch display screen, the output of master control set collecting temperature pressure integrated sensor
Temperature and pressure data;
Second step, touch display screen real-time display temperature and pressure signal, master control set calculate the change of signal in the set time
Amount, judges whether signal exceeds threshold value;
3rd step, change amount signal exceed threshold value, then signal is in non-stable state, continue to gather signal;
4th step, signal are in stable state, and master control set sends guide rail movable signal, guide rail movement, and by mobile distance
It is saved in eeprom chip;
5th step, guide rail movement finish, and send data acquisition signal, and master control set continues gathered data;
6th step, master control set often moves a segment distance, judges whether one-dimensional guide rail is moved to border, if being moved to border,
Another one guide rail is moved to next column data collection point, a reverse gathered data of guide rail;
7th step, when upper and lower one-dimensional guide rail army is moved to border, transmission sideband signal, master control set stops data collection.
Priority Applications (1)
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CN201711141255.XA CN107748063A (en) | 2017-11-15 | 2017-11-15 | Gas plane static pressure flow controller micro flow field parameter scanning instrument based on two-dimentional automatic platform |
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CN201711141255.XA CN107748063A (en) | 2017-11-15 | 2017-11-15 | Gas plane static pressure flow controller micro flow field parameter scanning instrument based on two-dimentional automatic platform |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108535413A (en) * | 2018-03-29 | 2018-09-14 | 中国计量大学 | High stability plane air film parameter measuring apparatus |
CN110296839A (en) * | 2019-08-13 | 2019-10-01 | 中国工程物理研究院机械制造工艺研究所 | Gas film pressure test device and test method for gas bearing |
CN117518975A (en) * | 2024-01-04 | 2024-02-06 | 东北大学 | Integrated circuit AOI data acquisition control system based on line laser scanner |
-
2017
- 2017-11-15 CN CN201711141255.XA patent/CN107748063A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108535413A (en) * | 2018-03-29 | 2018-09-14 | 中国计量大学 | High stability plane air film parameter measuring apparatus |
CN108535413B (en) * | 2018-03-29 | 2023-09-29 | 中国计量大学 | High-stability plane air film parameter measuring device |
CN110296839A (en) * | 2019-08-13 | 2019-10-01 | 中国工程物理研究院机械制造工艺研究所 | Gas film pressure test device and test method for gas bearing |
CN110296839B (en) * | 2019-08-13 | 2024-02-06 | 中国工程物理研究院机械制造工艺研究所 | Air film pressure testing device and testing method for gas bearing |
CN117518975A (en) * | 2024-01-04 | 2024-02-06 | 东北大学 | Integrated circuit AOI data acquisition control system based on line laser scanner |
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