CN107876501A - A kind of compound cleaning method and device - Google Patents
A kind of compound cleaning method and device Download PDFInfo
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- CN107876501A CN107876501A CN201711108386.8A CN201711108386A CN107876501A CN 107876501 A CN107876501 A CN 107876501A CN 201711108386 A CN201711108386 A CN 201711108386A CN 107876501 A CN107876501 A CN 107876501A
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- cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
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- Optics & Photonics (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to surface clean technical field, and in particular to a kind of compound cleaning method and device.The device of the present invention mainly includes laser generator, ultrasonic generator, unified mobile platform.Laser is fixed on unified mobile platform, supersonic generator upper end open with ultrasonic generator.During cleaning, put the workpiece in supersonic generator, and add cleaning fluid, start to clean after adjusting the position of laser and workpiece.The present invention is vibrated the high frequency ultrasound that workpiece is imposed perpendicular to its surface during laser cleaning by ultrasound plus laser cleaning complex method, the cross-ventilation coefficient in increasing action region, improve the stripping falling speed of dirt, cleaning quality and cleaning speed are improved, existing cleaning method and device cleaning efficiency is low and the halfway problem of cleaning to solve.
Description
Technical field
The present invention relates to surface clean technical field, and in particular to a kind of compound cleaning method and device.
Background technology
Cleaning is exactly that the pollution on body surface is removed by means such as dissolving, chemical reactions.Cleaning method have water cleaning,
Chemical cleaning, laser cleaning, plasma clean, ultrasonic wave cleaning etc..
Laser cleaning is a novel washing technology based on high-order harmonics spectrum.During cleaning, laser action in
Workpiece surface to be cleaned, laser by the material absorbing on workpiece surface, by light action or heat effect destroy dirt and matrix it
Between associative key, decomposed with light, thermal expansion, evaporation gasification, the mode of action such as ablation, make dirt disengaging workpiece surface, reach clear
The purpose washed, while the not inside the Nomenclature Composition and Structure of Complexes of disfiguring workpiece.Due to its have cleaning performance it is good, it is contactless, can be real-time
Control and the advantage such as feedback, remote cleaning, environmentally safe, have been widely used for the derusting of metal surface, paint removal, micro-
The various fields such as electronic device cleaning, building and art work surface cleaning dirt.
At present, a series of researchs have been carried out to laser cleaning both at home and abroad.Yayun Ye et al. (Laser plasma
Shockwave cleaning of SiO2 particles on gold film) it have studied laser cleaning K9 glass surfaces
Dirt, good cleaning performance and corresponding scavenging mechanism are obtained.Patent (US20100038560) discloses a kind of laser
The apparatus and method for cleaning probe, by adjusting technological parameter, successfully remove the dirt of detecting probe surface.Patent
(CN201610443695) a kind of laser cleaning method of marine paint is provided, realizes high efficiency, low cost, green clear
Wash.The existing industrial products of laser cleaning equipment at present.But cleaning efficiency stable at present is typically in below 300mm2/s, most soon
Also can only achieve 400mm2/s, for hardly possible clean material, such as corrosion, speed is slower, and this greatly limits laser cleaning skill
The application of art.And to improve laser cleaning efficiency, it is necessary to which existing technology is improved.
The content of the invention
It is low to solve existing cleaning method and device cleaning efficiency this application provides a kind of compound cleaning method and device
And the halfway problem of cleaning.
Therefore, the invention provides following technical proposals：A kind of compound cleaning method, comprises the following steps：
Determine position to be cleaned；
Ultrasonic generator is opened, suitable ultrasonic parameters are selected according to the material property of matrix and dirt；
Laser scans are opened, laser technical parameterses are selected according to the material property of matrix and dirt；
Cleaning performance is monitored, judges whether that needs rescan；
Monitoring system feedback cleaning performance is up to standard, and cleaning is completed.
Further, after the step ' monitoring cleaning performance, judge whether that needs rescan ', in addition to step：
Monitoring system feedback cleaning performance is not up to standard, and return to step ' opens laser scans, according to matrix and the material of dirt
Expect characteristic selection laser technical parameterses '.
Further, after the step ' determining position to be cleaned ', in addition to step：
Workpiece to be cleaned is placed in ultrasonic generator.
Further, the ultrasonic parameters include frequency and amplitude, frequency range 10-1000Hz, amplitude 10-
500μm。
Further, the laser technical parameterses include laser power, frequency, sweep speed and laser facula；It is described to swash
Reference optical power is 10-5000W, a length of 1064nm of laser beam-wave, and the sweep speed is 5-10000mm/s, the laser light
Spot size is 80-1000 μm, and sweep span is 30-1000 μm.
A kind of composite cleaning device, described device include laser generator, ultrasonic generator, unified mobile platform；
The laser generator is fixed on unified mobile platform with ultrasonic generator；
The ultrasonic generator upper end open.
Further, described device also includes speculum and focus lamp；The speculum is used for reflection laser beam and changed
The direction of laser beam, the focus lamp are used to focus on laser beam and then allow laser beam to act on workpiece surface to be cleaned.
Further, water-proof CCD camera, the water-proof CCD camera and external display are provided with the ultrasonic generator
Screen electrical connection.
The technical scheme that the application provides includes following advantageous effects：
(1) cleaning efficiency is high.Ultrasound plus laser cleaning complex method during laser cleaning by workpiece impose perpendicular to
The high frequency ultrasound vibration on its surface, the cross-ventilation coefficient in increasing action region, the stripping falling speed of dirt is improved, is improved clear
Wash quality and cleaning speed.
(2) clean range is wide.Different types of dirt can be removed, such as paint and rusty stain, the microelectronic component of metal surface
Dirt, building and the art work surface cleaning dirt on surface etc..By adjusting cleaning parameter, different types of dirt is realized
Thing cleans.
(3) cleaning automation is realized, is adapted to clean under various adverse circumstances.Cleaning can be realized by automatically controlling operating system
Automation, and ultrasound+laser composite cleaning is contactless cleaning, has very high adaptability, can be carried by robot,
Worked under the adverse circumstances such as HTHP.
(4) operating cost is low.ULTRASONIC COMPLEX laser cleaning system equipment investment is higher, but can use steadily in the long term, but
Unclassified stores cost need not be introduced, it is only necessary to which the electricity charge and General Maintenance expense, operating cost are low.
(5) it is green.The present invention does not need any chemical reagents by ULTRASONIC COMPLEX laser cleaning method, does not produce useless
Liquid, it is only necessary to the fine solid particles of stripping are reclaimed, environment will not be polluted, it is green.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for composite cleaning device that the embodiment of the present application provides；
Fig. 2 is a kind of flowage structure schematic diagram for compound cleaning method that the embodiment of the present application provides；
Fig. 3 is the structural representation for the monitoring system that the embodiment of the present application provides.
Description of reference numerals：
1：Laser, 2：Laser beam, 3：Speculum, 4；Focus lamp, 5：Ultrasonic generator, 6：Workpiece；7th, water-proof CCD camera；
8th, display screen.
Embodiment
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Embodiment one
A kind of method for composite cleaning that the present embodiment provides, comprises the following steps：
(1) position cleaned to needs positions, and determines position to be cleaned；
(2) ultrasonic generator 5 is opened, suitable parameter, frequency 30- are selected according to the material property of matrix and dirt
50Hz, amplitude are 400-500 μm, and it is 30-45oC that ultrasonic variable amplitude bar, which is kept with laser beam axis angle,.
(3) laser 1 is opened, laser technical parameterses, the technique of laser beam are selected according to the material property of matrix and dirt
Parameter is optical maser wavelength 1064nm, power output 200-500W, sweep speed 5-500mm/s, and laser facula size is 80-
100 μm, sweep span is 30-100 μm.
(4) start to clean.Moved by automatically controlling operating system control speculum 3 so as to control cleaning path, laser beam 2
Focused on again on workpiece 6 after focus lamp 4, so as to be cleaned.
(5) workpiece surface cleaning performance is observed by monitoring system, if not up to standard, continues to clean.
(6) after cleaning performance is up to standard, cleaning terminates.
Specifically, more satisfied effect can be reached by introducing ultrasonic wave cleaning, but to carrying out the cleaning of micron order dirt grain seemingly
It is somewhat unable to do what one wishes.It is another it is new cleaning --- laser cleaning technique is also obtaining certain development nearly ten years,
The novel washing technology also has many merits of its own.There is each adaptive cleaning field with ultrasonic wave cleaning.
The principle of laser cleaning machine and ultrasonic wave Cleaning principle, have something in common.Laser cleaning principle is mainly based upon thing
After body surface contaminant attracts laser energy, or vaporize volatilization or moment expanded by heating and overcome absorption affinity of the surface to particle,
Disengage it from body surface, and then the purpose cleaned.
In cleaning process, in workpiece surface to be cleaned, laser is passed through by the material absorbing on workpiece surface laser action
The associative key that light action or heat effect are destroyed between dirt and matrix, decomposed with light, thermal expansion, evaporation gasification, ablation etc. act on
Mode, dirt is set to depart from workpiece surface.Meanwhile supersonic generator the oscillating current with supersonic frequency be converted into it is identical or
The vertical or horizontal elastic mechanical vibrational energy of close frequencies, then vibration amplification to a certain extent, position to be cleaned is acted on,
The high frequency ultrasound that workpiece is subjected to perpendicular to its surface is vibrated, the cross-ventilation coefficient in increasing action region, improves the stripping of dirt
From falling speed, cleaning quality and cleaning speed are improved.
Embodiment two
The present embodiment is used for the rusty stain for cleaning metal surface, specifically includes following steps：
1) position cleaned to needs positions, and determines position to be cleaned；
(2) ultrasonic generator 5 is opened, suitable parameter is selected according to the material property of metal, supersonic frequency is set to 120-
250Hz, amplitude are 200-300 μm, and it is 60oC that ultrasonic variable amplitude bar, which is kept with laser beam axis angle,.
(3) laser 1 is opened, laser technical parameterses are selected according to the material property of metal, laser output power is set to
1000-2000W, sweep speed 6000-7000mm/s, laser facula size are 500-600 μm, and sweep span is 300-500 μ
m。
(4) start to clean.Moved by automatically controlling operating system control speculum 3 so as to control cleaning path, laser beam 2
Focused on again on workpiece 6 after focus lamp 4, so as to be cleaned.
(5) workpiece surface cleaning performance is observed by monitoring system, if not up to standard, continues to clean.
(6) after cleaning performance is up to standard, cleaning terminates.
Embodiment three
The present embodiment is used for the dirt for cleaning rubber article, specifically includes following steps：
1) position cleaned to needs positions, and determines position to be cleaned；
(2) ultrasonic generator 5 is opened, suitable parameter is selected according to the material property of rubber, supersonic frequency is set to
800-1000Hz, amplitude are 300-500 μm, and it is 80oC that ultrasonic variable amplitude bar, which is kept with laser beam axis angle,.
(3) laser 1 is opened, laser technical parameterses are selected according to the material property of rubber, laser output power is set
For 1000-2000W, sweep speed 6000-7000mm/s, laser facula size is 500-600 μm, sweep span 300-
500μm。
(4) start to clean.Moved by automatically controlling operating system control speculum 3 so as to control cleaning path, laser beam 2
Focused on again on workpiece 6 after focus lamp 4, so as to be cleaned.
(5) workpiece surface cleaning performance is observed by monitoring system, if not up to standard, continues to clean.
(6) after cleaning performance is up to standard, cleaning terminates.
Example IV
A kind of composite cleaning device, described device are flat including laser generator 1, ultrasonic generator 5, unified movement
Platform；The laser generator 1 is fixed on unified mobile platform with ultrasonic generator 5；
The upper end open of ultrasonic generator 5.
One as the present embodiment improves greatly, and described device also includes speculum 3 and focus lamp 4；The speculum 3 is used for
Reflection laser beam and the direction for changing laser beam, the focus lamp 4 are used to focus on laser beam 2 and then allow laser beam 2 to act on work
6 surface to be cleaned of part.
One as the present embodiment improves greatly, is provided with water-proof CCD camera 7 in the ultrasonic generator, the waterproof is taken the photograph
Electrically connected as first 7 with external display screen 8.
Specifically, the water-proof CCD camera 7 extracts workpiece surface cleaning dynamic, and Real-time Feedback is on display screen 8, institute
State water-proof CCD camera 7 and collectively form monitoring system with display screen 8.
One as the present embodiment improves greatly, and described device also includes automatically controlling operating system, it is described from
Dynamic control operation system control sytsem is connected with speculum 3, for controlling the divertical motion of speculum 3.
The present apparatus is attaching/detaching apparatus, mainly including laser generator, ultrasonic generator, unified mobile platform.Laser
Device is fixed on unified mobile platform, supersonic generator upper end open with ultrasonic generator.During cleaning, put the workpiece in super
In sonic generator, and cleaning fluid is added, start to clean after adjusting the position of laser and workpiece.
The operation principle of this device that the present embodiment provides is：Laser action is in workpiece surface to be cleaned, and laser is by work
Material absorbing on part surface, the associative key destroyed by light action or heat effect between dirt and matrix, decomposed with light, be hot swollen
The modes of action such as swollen, evaporation gasification, ablation, make dirt depart from workpiece surface.Meanwhile supersonic generator handle has supersonic frequency
Oscillating current be converted into the vertical or horizontal elastic mechanical vibrational energy of same or like frequency, then the vibration is amplified to necessarily
Degree, acts on position to be cleaned, and workpiece is subjected to the high frequency ultrasound vibration perpendicular to its surface, the air in increasing action region
Convection coefficient, the stripping falling speed of dirt is improved, improves cleaning quality and cleaning speed.
In summary, the technical scheme that the application provides specifically has following advantage：
(1) cleaning efficiency is high.Ultrasound plus laser cleaning complex method during laser cleaning by workpiece impose perpendicular to
The high frequency ultrasound vibration on its surface, the cross-ventilation coefficient in increasing action region, the stripping falling speed of dirt is improved, is improved clear
Wash quality and cleaning speed.
(2) clean range is wide.Different types of dirt can be removed, such as paint and rusty stain, the microelectronic component of metal surface
Dirt, building and the art work surface cleaning dirt on surface etc..By adjusting cleaning parameter, different types of dirt is realized
Thing cleans.
(3) cleaning automation is realized, is adapted to clean under various adverse circumstances.Cleaning can be realized by automatically controlling operating system
Automation, and ultrasound+laser composite cleaning is contactless cleaning, has very high adaptability, can be carried by robot,
Worked under the adverse circumstances such as HTHP.
(4) operating cost is low.ULTRASONIC COMPLEX laser cleaning system equipment investment is higher, but can use steadily in the long term, but
Unclassified stores cost need not be introduced, it is only necessary to which the electricity charge and General Maintenance expense, operating cost are low.
(5) it is green.The present invention does not need any chemical reagents by ULTRASONIC COMPLEX laser cleaning method, does not produce useless
Liquid, it is only necessary to the fine solid particles of stripping are reclaimed, environment will not be polluted, it is green.
It should be noted that the relational terms of such as " first " and " second " or the like be used merely to an entity or
Operation makes a distinction with another entity or operation, and not necessarily requires or imply these entities or exist between operating any
This actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive
Property includes, so that article or equipment including a series of elements not only include those key elements, but also including not having
The other element being expressly recited, or also include for this process, method, article or the intrinsic key element of equipment.Do not having
There is the key element in the case of more limiting, limited by sentence "including a ...", it is not excluded that including the mistake of the key element
Other identical element in journey, method, article or equipment also be present.
Described above is only the embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.A variety of modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments in the case where not departing from spirit herein or scope.Therefore, the application
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
It should be appreciated that the content that the application is not limited to be described above and is shown in the drawings, and can
To carry out various modifications and changes without departing from the scope.Scope of the present application is only limited by appended claim.
Claims (8)
1. a kind of compound cleaning method, it is characterised in that comprise the following steps：
Determine position to be cleaned；
Ultrasonic generator is opened, suitable ultrasonic parameters are selected according to the material property of matrix and dirt；
Laser scans are opened, laser technical parameterses are selected according to the material property of matrix and dirt；
Cleaning performance is monitored, judges whether that needs rescan；
Monitoring system feedback cleaning performance is up to standard, and cleaning is completed.
2. a kind of compound cleaning method according to claim 1, it is characterised in that ' monitoring cleaning performance, sentences the step
It is disconnected whether to need to rescan ' after, in addition to step：
Monitoring system feedback cleaning performance is not up to standard, and return to step ' laser scans are opened, it is special according to the material of matrix and dirt
Sexual behavior mode laser technical parameterses '.
A kind of 3. compound cleaning method according to claim 1, it is characterised in that the step ' determining position to be cleaned '
Afterwards, in addition to step：
Workpiece to be cleaned is placed in ultrasonic generator.
A kind of 4. compound cleaning method according to claim 1, it is characterised in that the ultrasonic parameters include frequency and
Amplitude, frequency range 10-1000Hz, amplitude are 10-500 μm.
5. a kind of compound cleaning method according to claim 1, it is characterised in that the laser technical parameterses include laser
Power, frequency, sweep speed and laser facula；The laser power scope is 10-5000W, a length of 1064nm of laser beam-wave, institute
It is 5-10000mm/s to state sweep speed, and the laser facula size is 80-1000 μm, and sweep span is 30-1000 μm.
A kind of 6. composite cleaning device, it is characterised in that：Described device includes laser generator, ultrasonic generator, uniformly
Mobile platform；The laser generator is fixed on unified mobile platform with ultrasonic generator；
The ultrasonic generator upper end open.
7. a kind of composite cleaning device according to claim 6, it is characterised in that described device also includes speculum and gathered
Jiao Jing；The speculum is used for reflection laser beam and changes the direction of laser beam, the focus lamp be used to focusing on laser beam and then
Laser beam is allowed to act on workpiece surface to be cleaned.
8. a kind of composite cleaning device according to claim 6, it is characterised in that be provided with the ultrasonic generator
Water-proof CCD camera, the water-proof CCD camera electrically connect with external display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108386.8A CN107876501A (en) | 2017-11-09 | 2017-11-09 | A kind of compound cleaning method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108386.8A CN107876501A (en) | 2017-11-09 | 2017-11-09 | A kind of compound cleaning method and device |
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| CN107876501A true CN107876501A (en) | 2018-04-06 |
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| CN201711108386.8A Pending CN107876501A (en) | 2017-11-09 | 2017-11-09 | A kind of compound cleaning method and device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688060A (en) * | 2018-05-09 | 2018-10-23 | 惠州伟元科技有限公司 | A kind of injection mold cleaning method |
| CN109570151A (en) * | 2019-01-25 | 2019-04-05 | 中国工程物理研究院激光聚变研究中心 | The device and cleaning method of liquid stream ULTRASONIC COMPLEX auxiliary laser cleaning optical element |
| CN109622516A (en) * | 2018-12-05 | 2019-04-16 | 滁州市云米工业设计有限公司 | Cleaning device is used in a kind of production of high-efficiency and energy-saving type mechanical equipment components |
| CN110238131A (en) * | 2019-06-28 | 2019-09-17 | 北京师范大学 | Laser cleaning parameter generation method and device |
| CN110653223A (en) * | 2019-09-26 | 2020-01-07 | 厦门理工学院 | Laser cleaning monitoring device and monitoring method thereof and laser cleaning machine |
| CN111185441A (en) * | 2020-03-06 | 2020-05-22 | 东莞宜安新材料研究院有限公司 | Low-power high-efficiency integrated laser cleaning method for amorphous alloy surface |
| CN111530847A (en) * | 2020-04-01 | 2020-08-14 | 厦门理工学院 | Solid CO2Cleaning system |
| CN111757760A (en) * | 2020-05-20 | 2020-10-09 | 焦旭 | Control component of public equipment |
| CN112058809A (en) * | 2020-09-04 | 2020-12-11 | 深圳市汇泽激光科技有限公司 | Device and method for cleaning tire by laser |
| CN113097836A (en) * | 2019-12-23 | 2021-07-09 | 深圳市联赢激光股份有限公司 | Method for removing insulating paint on metal surface |
| CN113305098A (en) * | 2021-05-25 | 2021-08-27 | 云南电网有限责任公司电力科学研究院 | Device and method for detecting and removing scale sample of voltage-sharing electrode |
| CN114653677A (en) * | 2022-03-15 | 2022-06-24 | 广东工业大学 | Ultrasonic-assisted laser-induced cavitation bubble cleaning device for engine connecting rod |
| CN114749429A (en) * | 2022-04-14 | 2022-07-15 | 扬州洛天依智能装备有限公司 | Laser equipment for laser cleaning |
| CN115945465A (en) * | 2023-02-01 | 2023-04-11 | 南昌航空大学 | Method for removing zirconia thermal barrier coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108688060A (en) * | 2018-05-09 | 2018-10-23 | 惠州伟元科技有限公司 | A kind of injection mold cleaning method |
| CN109622516B (en) * | 2018-12-05 | 2020-11-10 | 义乌市思淇工业设计有限公司 | Cleaning device is used in production of mechanical equipment spare part |
| CN109622516A (en) * | 2018-12-05 | 2019-04-16 | 滁州市云米工业设计有限公司 | Cleaning device is used in a kind of production of high-efficiency and energy-saving type mechanical equipment components |
| CN109570151A (en) * | 2019-01-25 | 2019-04-05 | 中国工程物理研究院激光聚变研究中心 | The device and cleaning method of liquid stream ULTRASONIC COMPLEX auxiliary laser cleaning optical element |
| CN109570151B (en) * | 2019-01-25 | 2023-12-22 | 中国工程物理研究院激光聚变研究中心 | Device and method for cleaning optical element by liquid flow ultrasonic composite auxiliary laser |
| CN110238131A (en) * | 2019-06-28 | 2019-09-17 | 北京师范大学 | Laser cleaning parameter generation method and device |
| CN110653223A (en) * | 2019-09-26 | 2020-01-07 | 厦门理工学院 | Laser cleaning monitoring device and monitoring method thereof and laser cleaning machine |
| CN113097836A (en) * | 2019-12-23 | 2021-07-09 | 深圳市联赢激光股份有限公司 | Method for removing insulating paint on metal surface |
| CN111185441A (en) * | 2020-03-06 | 2020-05-22 | 东莞宜安新材料研究院有限公司 | Low-power high-efficiency integrated laser cleaning method for amorphous alloy surface |
| CN111185441B (en) * | 2020-03-06 | 2022-02-22 | 东莞宜安新材料研究院有限公司 | Low-power high-efficiency integrated laser cleaning method for amorphous alloy surface |
| CN111530847B (en) * | 2020-04-01 | 2021-08-03 | 厦门理工学院 | Solid CO2Cleaning system |
| CN111530847A (en) * | 2020-04-01 | 2020-08-14 | 厦门理工学院 | Solid CO2Cleaning system |
| CN111757760A (en) * | 2020-05-20 | 2020-10-09 | 焦旭 | Control component of public equipment |
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| CN113305098A (en) * | 2021-05-25 | 2021-08-27 | 云南电网有限责任公司电力科学研究院 | Device and method for detecting and removing scale sample of voltage-sharing electrode |
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Application publication date: 20180406 |