CN110146204A - A kind of intelligent residual stress x-ray measuring device and its measurement method - Google Patents
A kind of intelligent residual stress x-ray measuring device and its measurement method Download PDFInfo
- Publication number
- CN110146204A CN110146204A CN201910404584.1A CN201910404584A CN110146204A CN 110146204 A CN110146204 A CN 110146204A CN 201910404584 A CN201910404584 A CN 201910404584A CN 110146204 A CN110146204 A CN 110146204A
- Authority
- CN
- China
- Prior art keywords
- measurement
- sample coupon
- corrosion
- station
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000691 measurement method Methods 0.000 title claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 76
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 238000005260 corrosion Methods 0.000 claims abstract description 33
- 230000007797 corrosion Effects 0.000 claims abstract description 33
- 238000007605 air drying Methods 0.000 claims abstract description 7
- 230000009897 systematic effect Effects 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 15
- 238000006056 electrooxidation reaction Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 description 38
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/25—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons
-
- 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
- G01N1/32—Polishing; Etching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Toxicology (AREA)
- Sampling And Sample Adjustment (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses a kind of intelligent residual stress x-ray measuring device and its measurement methods, including objective table, computer is equipped on the outside of objective table, objective table is equipped with X-Y numerical control workbench, robot and corrosion station, X-Y numerical control workbench is equipped with X-ray measurement system and sample coupon Automatic-clamping and positioning device, and corrosion station is equipped with automatic corrosion device and device for cleaning and air-drying.Computer determines the coordinate position of the measurement point of sample coupon, and sample coupon is installed by sample coupon Automatic-clamping and positioning device Quick-clamped, X-Y numerical control table, NC table is automatically found measurement point according to motion path, X-ray measurement systematic survey sample coupon surface residual stress value, computer records measurement data, and sample coupon is carried by robot, so that sample coupon is moved to corrosion station and erodes to required depth and registered depth data, then after being air-dried by device for cleaning and air-drying cleaning, sample coupon is moved measurement station by robot, measures residual-stress value.
Description
Technical field
The present invention relates to X-ray determination techniques field, specially a kind of intelligent residual stress x-ray measuring device and its survey
Amount method.
Background technique
In Present Mechanical Engineering, various mechanical components often remaining years residual stress during fabrication.Remnants appropriate are answered
Power can become the factor that part is strengthened, and unsuitable residual stress then may cause the defective workmanships such as deformation and cracking, therefore
In any machine components, guarantee part residual stress be in the appropriate range it is considerable, especially in the essence of aero-engine
In close part, not only to determine that entire piece surface residual stress reaches a certain range, residual stress layer is also predefined and reaches one
Depthkeeping degree guarantees service life and the reliability of aero-engine, this needs higher accuracy.
The instrument of X-ray residual stress measurement at present needs manual operation, and sample coupon measurement position is manually to put, positioning accuracy
Difference, the repetitive positioning accuracy of measurement point is low when especially measurement is along the residual stress distribution of depth direction；And in measurement process
In, since time of measuring is long, a measurement point is moved by hand after measuring a point, repeats measurement, a plane needs to measure
Tens points or even a point up to a hundred, the duplication of labour easily make one tired, are difficult to meet the requirement of precision fixed point measurement.And when along depth
When degree measurement stress value, needs to polish sample coupon craft burn into, fathom and its time-consuming and low precision, we mention thus
A kind of intelligent residual stress x-ray measuring device and its measurement method are for solving the above problems out.
Summary of the invention
The purpose of the present invention is to provide a kind of intelligent residual stress x-ray measuring device and its measurement methods, to solve
The problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of intelligent residual stress x-ray measuring device,
Including objective table, be equipped with computer on the outside of the objective table, the objective table be equipped with X-Y numerical control workbench, robot and
Corrode station, the X-Y numerical control workbench is equipped with X-ray measurement system and sample coupon Automatic-clamping and positioning device, institute
It states corrosion station and is equipped with automatic corrosion device and device for cleaning and air-drying.
A kind of preferred technical solution, the automatic corrosion device includes corrosive liquid allotment case, laser depth measurement head, electricity
Chemical attack head and devil liquor recovery case, the corrosive liquid allotment case connect electrochemical corrosion head by pipeline, and the electrochemistry is rotten
It losing and is equipped with laser depth measurement head above head, the electrochemical corrosion head and laser depth measurement head are respectively positioned on corrosion station,
Objective table bottom at the corrosion station is equipped with devil liquor recovery case.
A kind of preferred technical solution, the device for cleaning and air-drying include cleaning solution storage box, cleaning sprayer and air dryer,
The cleaning solution storage box is connected to cleaning sprayer by pipeline, is equipped with air dryer by the cleaning sprayer, the cleaning sprayer and
Air dryer is the top with corrosion station.
A kind of preferred technical solution, the computer include analyzing software system and display screen.
A kind of its measurement method of intelligent residual stress x-ray measuring device, which comprises the steps of:
Step 1: by the shape of sample coupon, size, required measurement points input computer, according to the measurement area and survey of exemplar
Amount points, determine the coordinate position of each measurement point, calculate measuring route；
Step 2: sample coupon is installed and is clamped by sample coupon Automatic-clamping and positioning device, is automatically found first measurement point, is passed through
X-ray measurement systematic survey residual-stress value records measurement data；It is moved to second measurement point, repeats above-mentioned measurement process,
Until completing the measurement of all the points；
Step 3: robot moves sample coupon in step 2 to corrosion station, and electrochemical corrosion head passes through corrosive liquid allotment case
Interior corrosive liquid corrodes sample coupon, and by laser depth measurement head control corrosion rate depth, so that sample coupon is automatically rotten
Lose required depth, sample coupon is cleaned by cleaning sprayer and passed through after air dryer air-dries by registered depth data, and robot will
Sample coupon moves measurement station, measures residual-stress value；
Step 4: repeating Step 2: step 3, the residual-stress value measurement up to completing full depth direction.
A kind of preferred technical solution, sample coupon moves on X-Y numerical control workbench in step 1；Machine described in step 3
Device people moves on guide rail.
Compared with prior art, the beneficial effects of the present invention are: after sample coupon form parameter is inputted computer, measurement is determined
Point position and sample coupon motion profile, the movement of each point is carried out by X-Y numerical control workbench, it is ensured that the essence of each measurement position
True property；Automatic corrosion device measures each corrosion depth using laser depth of probe, guarantees the accuracy of hot spot depth, is convenient for
Measure the residual-stress value of different depth；By computer controlled measurement, robot and X-Y numerical control workbench drive sample coupon
Movement, high degree of automation, measurement data are accurate.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of intelligent residual stress x-ray measuring device of the present invention.
In figure: 1X radionetric survey system, 2 robots, 3 cleaning solution storage boxes, 4 cleaning sprayers, 5 laser depth measurement heads, 6
Corrosive liquid allotment case, 7 electrochemical corrosion heads, 8 corrosion stations, 9 devil liquor recovery casees, 10 objective tables, 11X-Y numerical control workbench,
12 sample coupon Automatic-clampings and positioning device, 13 computers.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of intelligent residual stress x-ray measuring device, including carry
Object platform 10, computer 13 is equipped on the outside of objective table 10, and objective table 10 is equipped with X-Y numerical control workbench 11, robot 2 and corrosion
Station 8, X-Y numerical control workbench 11 are equipped with X-ray measurement system 1 and sample coupon Automatic-clamping and positioning device 12, corrosion
Station 8 is equipped with automatic corrosion device and device for cleaning and air-drying.
Automatic corrosion device includes corrosive liquid allotment case 6, laser depth measurement head 5, electrochemical corrosion head 7 and devil liquor recovery
Case 9, corrosive liquid allotment case 6 connect electrochemical corrosion head 7 by pipeline, are equipped with laser depth measurement above electrochemical corrosion head 7
First 5, electrochemical corrosion head 7 and laser depth measurement head 5 are respectively positioned on corrosion station 8, corrode 10 bottom of objective table at station 8
Devil liquor recovery case 9 is installed.
Device for cleaning and air-drying includes cleaning solution storage box 3, cleaning sprayer 4 and air dryer, and cleaning solution storage box 3 passes through pipeline
It is connected to cleaning sprayer 4, air dryer is equipped with by cleaning sprayer 4, cleaning sprayer 4 and air dryer are the top with corrosion station 8.
A kind of preferred technical solution, computer 13 include analyzing software system and display screen.
A kind of its measurement method of intelligent residual stress x-ray measuring device, which comprises the steps of:
Step 1: by the shape of sample coupon, size, required measurement points input computer 13, according to the measurement area of exemplar and
Measurement points, computer 13 determine the coordinate position of each measurement point by analyzing software system, calculate measuring route；
Step 2: sample coupon is installed and is clamped by sample coupon Automatic-clamping and positioning device 12, determines sample coupon initial coordinate position,
X-Y numerical control table, NC table 11 is automatically found first measurement point according to motion path, and X-ray measurement system 1 measures sample coupon surface
Residual-stress value, computer 13 record measurement data；Sample coupon is moved to second measurement point by X-Y numerical control table, NC table 11, weight
Multiple measurement process, until completing the measurement of all the points；
Step 3: robot 2 moves sample coupon in step 2 to corrosion station 8, is deployed according to sample coupon material in corrosive liquid
Deployed corrosive liquid in case 6, electrochemical corrosion head 7 corrode sample coupon by the corrosive liquid in corrosive liquid allotment case 6, and
Corrosion depth is measured by laser depth measurement head 5, so that sample coupon automatic corrosion is to required depth, registered depth data will
After sample coupon is cleaned by cleaning sprayer 4 and air-dried by air dryer, sample coupon is moved measurement station, measurement by robot 2
Residual-stress value；
Step 4: repeating Step 2: step 3, the residual-stress value measurement up to completing full depth direction.
Sample coupon moves on X-Y numerical control workbench 11 in step 1；Step 3 robot 2 moves on guide rail.
Working principle: computer 13 determines the coordinate position of the measurement point of sample coupon when the present invention uses, and passes through sample
Part Automatic-clamping and 12 Quick-clamped of positioning device install sample coupon, and X-Y numerical control table, NC table 11 is automatically found according to motion path
Measurement point, X-ray measurement system 1 measure sample coupon surface residual stress value, and computer 13 records measurement data, and passes through machine
People 2 carries sample coupon, so that sample coupon is moved to corrosion station 8 and erodes to required depth and registered depth data, then passes through
After cleaning sprayer 4 is cleaned and air-dried by air dryer, sample coupon is moved measurement station by robot 2, is measured remnants again and is answered
Force value is high degree of automation, lateral accurate so that the residual-stress value of automatic measurement different depth, easy to use.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of intelligent residual stress x-ray measuring device, including objective table (10), it is characterised in that: the objective table (10)
Outside is equipped with computer (13), and the objective table (10) is equipped with X-Y numerical control workbench (11), robot (2) and corrosion work
Position (8), the X-Y numerical control workbench (11) are equipped with X-ray measurement system (1) and sample coupon Automatic-clamping and positioning device
(12), the corrosion station (8) is equipped with automatic corrosion device and device for cleaning and air-drying.
2. a kind of intelligent residual stress x-ray measuring device according to claim 1, it is characterised in that: the automatic corruption
Losing device includes corrosive liquid allotment case (6), laser depth measurement head (5), electrochemical corrosion head (7) and devil liquor recovery case (9), institute
It states corrosive liquid allotment case (6) and electrochemical corrosion head (7) is connected by pipeline, laser is equipped with above the electrochemical corrosion head (7)
Depth measurement head (5), the electrochemical corrosion head (7) and laser depth measurement head (5) are respectively positioned in corrosion station (8), described
Objective table (10) bottom at corrosion station (8) is equipped with devil liquor recovery case (9).
3. a kind of intelligent residual stress x-ray measuring device according to claim 1, it is characterised in that: the cleaning wind
Equipment for drying includes cleaning solution storage box (3), cleaning sprayer (4) and air dryer, and the cleaning solution storage box (3) is connected to by pipeline
Cleaning sprayer (4), the cleaning sprayer (4) is other to be equipped with air dryer, and the cleaning sprayer (4) and air dryer are and corrosion station
(8) top.
4. a kind of intelligent residual stress x-ray measuring device according to claim 1, it is characterised in that: the computer
(13) comprising analyzing software system and display screen.
5. according to claim 1 to a kind of its measurement method of intelligent residual stress x-ray measuring device described in 4, feature
It is, includes the following steps:
Step 1: by the shape of sample coupon, size, required measurement points input computer, according to the measurement area and survey of exemplar
Amount points, determine the coordinate position of each measurement point, calculate measuring route；
Step 2: sample coupon is installed and is clamped by sample coupon Automatic-clamping and positioning device, is automatically found first measurement point, is passed through
X-ray measurement systematic survey residual-stress value records measurement data；It is moved to second measurement point, repeats above-mentioned measurement process,
Until completing the measurement of all the points；
Step 3: robot moves sample coupon in step 2 to corrosion station, and electrochemical corrosion head passes through corrosive liquid allotment case
Interior corrosive liquid corrodes sample coupon, and by laser depth measurement head control corrosion rate depth, so that sample coupon is automatically rotten
Lose required depth, sample coupon is cleaned by cleaning sprayer and passed through after air dryer air-dries by registered depth data, and robot will
Sample coupon moves measurement station, measures residual-stress value；
Step 4: repeating Step 2: step 3, the residual-stress value measurement up to completing full depth direction.
6. a kind of its measurement method of intelligent residual stress x-ray measuring device according to claim 5, feature exist
In: sample coupon moves on X-Y numerical control workbench in step 1；Robot described in step 3 moves on guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910404584.1A CN110146204A (en) | 2019-05-16 | 2019-05-16 | A kind of intelligent residual stress x-ray measuring device and its measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910404584.1A CN110146204A (en) | 2019-05-16 | 2019-05-16 | A kind of intelligent residual stress x-ray measuring device and its measurement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110146204A true CN110146204A (en) | 2019-08-20 |
Family
ID=67595558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910404584.1A Pending CN110146204A (en) | 2019-05-16 | 2019-05-16 | A kind of intelligent residual stress x-ray measuring device and its measurement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110146204A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812891A (en) * | 2022-05-06 | 2022-07-29 | 山东鼎泰昇交通科技有限公司 | Automatic measuring device for depth distribution of residual stress of workpiece based on laser material reduction |
| RU2802869C1 (en) * | 2022-09-14 | 2023-09-05 | Акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения" (АО "НПО "ЦНИИТМАШ") | Method and device for determining distribution of residual stresses in surface layer of flat metal part |
| WO2024082185A1 (en) * | 2022-10-19 | 2024-04-25 | 中车工业研究院有限公司 | Measurement device for package stress of chip, and measurement method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453898A (en) * | 2010-10-26 | 2012-05-16 | 沈阳大陆激光技术有限公司 | On-site laser repairing method for rolling mill housing |
| CN104552013A (en) * | 2013-10-25 | 2015-04-29 | 昆山开信机械制造有限公司 | High-precision numerical control liquid shot blasting machine |
| CN105563328A (en) * | 2016-02-23 | 2016-05-11 | 武汉大学 | Grinding and polishing system and grinding and polishing method based on femtosecond laser robot |
| CN105699487A (en) * | 2016-03-09 | 2016-06-22 | 北京理工大学 | Manipulator detection device and method for residual stress of complex component |
| CN206666672U (en) * | 2017-04-19 | 2017-11-24 | 莆田市涵江区创源机械制造有限公司 | Numerical control electrolytic polishing equipment |
| CN206906117U (en) * | 2017-05-19 | 2018-01-19 | 北京工业大学 | Electrobrightening --- X ray stress analysis test platform |
| CN109396972A (en) * | 2019-01-07 | 2019-03-01 | 东北大学 | A kind of ultrasonic wave added optics hard brittle material rubbing down system of processing and method |
| CN208688961U (en) * | 2018-09-12 | 2019-04-02 | 沈阳市启光科技有限公司 | A kind of integral scanning imaging device for dendrite corrosion macroscopic examination |
-
2019
- 2019-05-16 CN CN201910404584.1A patent/CN110146204A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102453898A (en) * | 2010-10-26 | 2012-05-16 | 沈阳大陆激光技术有限公司 | On-site laser repairing method for rolling mill housing |
| CN104552013A (en) * | 2013-10-25 | 2015-04-29 | 昆山开信机械制造有限公司 | High-precision numerical control liquid shot blasting machine |
| CN105563328A (en) * | 2016-02-23 | 2016-05-11 | 武汉大学 | Grinding and polishing system and grinding and polishing method based on femtosecond laser robot |
| CN105699487A (en) * | 2016-03-09 | 2016-06-22 | 北京理工大学 | Manipulator detection device and method for residual stress of complex component |
| CN206666672U (en) * | 2017-04-19 | 2017-11-24 | 莆田市涵江区创源机械制造有限公司 | Numerical control electrolytic polishing equipment |
| CN206906117U (en) * | 2017-05-19 | 2018-01-19 | 北京工业大学 | Electrobrightening --- X ray stress analysis test platform |
| CN208688961U (en) * | 2018-09-12 | 2019-04-02 | 沈阳市启光科技有限公司 | A kind of integral scanning imaging device for dendrite corrosion macroscopic examination |
| CN109396972A (en) * | 2019-01-07 | 2019-03-01 | 东北大学 | A kind of ultrasonic wave added optics hard brittle material rubbing down system of processing and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114812891A (en) * | 2022-05-06 | 2022-07-29 | 山东鼎泰昇交通科技有限公司 | Automatic measuring device for depth distribution of residual stress of workpiece based on laser material reduction |
| RU2802869C1 (en) * | 2022-09-14 | 2023-09-05 | Акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения" (АО "НПО "ЦНИИТМАШ") | Method and device for determining distribution of residual stresses in surface layer of flat metal part |
| WO2024082185A1 (en) * | 2022-10-19 | 2024-04-25 | 中车工业研究院有限公司 | Measurement device for package stress of chip, and measurement method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hosseinzadeh et al. | Towards good practice guidelines for the contour method of residual stress measurement | |
| CN105818132B (en) | A kind of industrial robot sucked type tool hand calibrating and positioning method | |
| JP6360888B2 (en) | Method and system for inspecting positioning accuracy of CNC machine | |
| CN103868929A (en) | Three-dimensional detection method for defects of sealing surface | |
| CN110146204A (en) | A kind of intelligent residual stress x-ray measuring device and its measurement method | |
| CN104792869A (en) | Ultrasonic non-destructive testing system for brazing quality of electrical contact of low-voltage electrical apparatus | |
| US20160349729A1 (en) | Method for machining a component on a multi-axis machine tool driven by an nc-controller and apparatus for conducting said method | |
| CN104647141A (en) | In-place measurement method for thickness of large-sized wall plate | |
| CN109060207A (en) | It is interference fitted attachment force supersonic detection device and method | |
| JP2024519633A (en) | System and method for intelligent scanning of prefabricated component assembly surfaces and automatic error identification | |
| CN110181334A (en) | Freeform optics element face shape error On-machine Test device and its detection method based on white light confocal principle | |
| CN102565188B (en) | Ultrasonic detecting equipment | |
| CN106226736A (en) | A kind of steel billet position finding and detection method and detecting system | |
| CN208171232U (en) | For detecting the roughness of wafer patch ring and the measuring equipment of degree of deformation | |
| CN104792870A (en) | Ultrasonic non-destructive testing method for brazing quality of electrical contact of low-voltage electrical apparatus | |
| CN101694584A (en) | Aero-engine labyrinth disc hot list processing thickness information extraction system | |
| CN110146207A (en) | The depth of measurement residual stress is electrolysed etching system and method automatically | |
| CN110332910A (en) | Laser Shock Prediction Method and Device Based on Laser Fluctuation and Surface Laser Scattering | |
| CN115808425B (en) | Defect identification and countermeasures in the process of springback detection of concrete members | |
| CN201955329U (en) | Ultrasonic detecting equipment | |
| US11529704B2 (en) | Device and method for analyzing the surface of parts having cooling fluid openings | |
| CN112180346A (en) | A method for detecting environmental reliability of lidar ranging accuracy | |
| Lu et al. | A novel method for reconstructing flatness error contour of long surface based on a laser displacement sensor | |
| CN111238699A (en) | Deformed pipeline stress test determination method | |
| CN117213369A (en) | Method for measuring surface shape of optical element in situ based on combination of laser tracker and mechanical arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190820 |
|
| RJ01 | Rejection of invention patent application after publication |