CN107498178A - A kind of outer path optics speculum attending device of laser welder and its maintaining method - Google Patents
A kind of outer path optics speculum attending device of laser welder and its maintaining method Download PDFInfo
- Publication number
- CN107498178A CN107498178A CN201610411302.7A CN201610411302A CN107498178A CN 107498178 A CN107498178 A CN 107498178A CN 201610411302 A CN201610411302 A CN 201610411302A CN 107498178 A CN107498178 A CN 107498178A
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- China
- Prior art keywords
- laser
- speculum
- unit
- optics
- shower nozzle
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- 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
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0643—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses path optics speculum attending device and its maintaining method outside a kind of laser welder, including the laserresonator output unit being sequentially connected by outer light path pipeline, outer light path mirror frame and laser Machining head, the first speculum is provided with outer light path mirror frame, the reflector element of optics second is provided with laser Machining head, also include generating device of laser, laser intensity detection means and wiper mechanism, generating device of laser is in laserresonator output unit, laser intensity detection means is located at the outside of laser Machining head, wiper mechanism includes hydro-peening shower nozzle, pressure hydro-peening unit, it is blown shower nozzle and gas piping.The present invention solves and optical mirror must be disassembled to cleaning when path optics mirror is safeguarded outside laser welder, and adjustment difficulty is big after time dress, the problem of causing optics easily damaged and influence welded seam quality.
Description
Technical field
It is anti-more specifically to path optics outside a kind of laser welder the present invention relates to the attending device of laser welder
Penetrate mirror attending device and its maintaining method.
Background technology
Cold rolling C202 acid rolls laser welder, be mainly used in throat thickness 2mm-3mm, hardness HR30Te 42-65 heat
Strip, the welding machine lasing light emitter body a diameter of 22mm of outgoing mirror output facula are rolled, power is 8KW laser beam, passes through outer light path
Welding of the laser to steel plate is realized in multiple reflections and final focusing；Existing welding machine laser beam outside optical system uses stainless steel pipeline
Substantially closed technology, the outside optical system are made up of pipeline, speculum, focus lamp and laser Machining head, gone out in laser Machining head
There is a compressed air gas curtain optical port position, outer light path is formed a basic closing space.The optical mirror of outer light path needs
Want regular dismounting to get off to be cleaned, recover to be calibrated one by one external light path mirror position from top to bottom during installation；Often
Secondary cleaning calibration needs more than 8 hours or so and it is necessary to is that the superb attendant of professional skill can implement, implements
Time is long, labor intensity is big, adjustment difficulty is high, and it is impaired or influence welding that attended operation flaw once in a while also results in optics
Weldquality, to normal weld production bring very big influence.
The content of the invention
For disadvantages mentioned above present in prior art, it is an object of the invention to provide path optics outside a kind of laser welder
Speculum attending device and its maintaining method, optical mirror must be dismantled by solving when the outer path optics mirror of laser welder is safeguarded
Get off to clean, and adjustment difficulty is big after time dress, the problem of causing optics easily damaged and influence welded seam quality.
To achieve the above object, the present invention adopts the following technical scheme that：
On the one hand, the outer path optics speculum attending device of a kind of laser welder, including pass through outer light path pipeline successively phase
Laserresonator output unit, outer light path mirror frame and laser Machining head even, the is provided with outer light path mirror frame
One speculum, laser Machining head is interior to be provided with the reflector element of optics second, in addition to generating device of laser, laser intensity detection means
And wiper mechanism, generating device of laser is in laserresonator output unit, and laser intensity detection means is located at Laser Processing
The outside of head, wiper mechanism include hydro-peening shower nozzle, pressure hydro-peening unit, injection shower nozzle and gas piping, the shower nozzle of hydro-peening shower nozzle
Side of the end inside outer light path mirror frame, the end of hydro-peening shower nozzle is connected with pressure hydro-peening unit, and is located at outer light
The outside of road mirror frame, opposite side of the nozzle end of shower nozzle inside outer light path mirror frame is blown, is blown shower nozzle
End be connected with gas piping, and located at outer light path mirror frame outside.
Also include correcting mechanism, between outer light path mirror frame and laser Machining head, correcting mechanism includes detection
Part and mirror mount adjustment part, detection part include development lamp, showing board and image unit, and showing board is provided with mark,
Lamp develop above showing board, for image unit above development lamp, mirror mount adjustment part reflects list with optics second
Member is connected.
Described image unit includes pinhole cameras and coupled computer.
Described mirror mount adjustment part includes minute surface adjustment support and the locking list to fixed minute surface adjustment support
Member, minute surface adjustment support are connected with the reflector element of optics second.
Described generating device of laser uses ruby laser generating means.
On the other hand, the maintaining method of the outer path optics speculum of a kind of laser welder, comprises the following steps：
S1：Ruby laser beam is first sent by ruby laser generating means, ruby laser beam passes through the first speculum
And after second the second speculum in reflector element, then by laser Machining head after the focus lamp in the second reflector element focuses on
Output end exports；
S2：Laser intensity detection unit is placed in the output end of laser Machining head, laser intensity detection unit detects to swash
When luminous intensity is less than standard value, then the external speculum of path optics first, second is needed to be cleaned；
S3：Pressure first is given with pressure hydro-peening unit, first, second speculum is cleaned by hydro-peening shower nozzle；
S4：Compressed gas is given with gas piping again, the minute surface of first, second speculum is dried up by being blown shower nozzle；
S5：Ruby laser beam is sent with ruby laser generating means again, detects to swash by laser intensity detection unit
Luminous intensity, if also less than standard value, the position of the external speculum of path optics first, second is needed to be calibrated；
S6：It is 5%, ON time 20-25ms by laser intensity settings during calibration, development lamp is opened, showing board adjustment
To calibrating position, triggering and conducting laser, low level laser is got on showing board after the reflection of the first speculum shows that reality swashs
Light-beam position, computer radial direction image is sent to after pinhole cameras shooting developed image and is shown and deviation computing unit, is calculated
Deviation；Then mirror mount position is adjusted according to deviation, unclamps locking unit, deviation is adjusted according to scale, is adjusted in place
Afterwards, then locking unit is locked again.
Standard value in described S2 is 75%.
Pressure hydro-peening unit in described S3 is cleaned using 0.2~0.25MPa pressure to minute surface, cleaning two
Secondary, cleaning one minute, interval carry out cleaning for second after five minutes for the first time, clean two minutes.
Gas piping in described S4 is blown using 0.1~0.15MPa pressure to minute surface, and the time is three points
Clock.
The present invention prejudges outer optical path states using ruby laser, and the shower nozzle built in uses pressure after judging state deterioration
The mode of power hydro-peening and compressed air drying mills to clean instead of dismounting improves maintenance efficiency, built-in developing parts and pin hole shooting
Inspection of the Display Realization after the calibration and adjustment of line optical mirror position, overcoming laser, path optics mirror is safeguarded and must incited somebody to action outside
Adjustment difficulty is big after optical mirror disassembles cleaning and returns dress, causes optics easily damaged and influences welded seam quality
Problem, improve the accuracy and efficiency of optical mirror calibration and adjustment and maintenance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram of wiper mechanism of the present invention；
Fig. 3 is the detection part schematic diagram of correcting mechanism of the present invention；
Fig. 4 is the mirror mount adjustment block diagram of correcting mechanism of the present invention；
Fig. 5 is the exploded view at a positions in Fig. 4.
Embodiment
Technical scheme is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1 to Fig. 5, a kind of outer path optics speculum of laser welder provided by the present invention safeguards dress
Put, including the laserresonator output unit 2, outer light path mirror frame 3 and the laser that are sequentially connected by outer light path pipeline 1 add
Foreman 4, and the first speculum 301 is provided with outer light path mirror frame 3, the reflector element of optics second is provided with laser Machining head 4
401, in addition to generating device of laser 5, laser intensity detection means 6 and wiper mechanism 7, it is humorous that generating device of laser 5 is located at laser
Shake in chamber output unit 2, laser intensity detection means 6 is located at the outside of laser Machining head 4, and wiper mechanism 7 includes hydro-peening shower nozzle
701st, pressure hydro-peening unit 702, injection shower nozzle 703 and gas piping 704, hydro-peening shower nozzle 701 use multi-angle showerhead, its shower nozzle
Side of the end inside outer light path mirror frame 3, the end of hydro-peening shower nozzle 701 is connected with pressure hydro-peening unit 702, and sets
In the outside of outer light path mirror frame 3, hydro-peening unit mainly using mixing cleaning fluid, is blown shower nozzle 703 and used more
Angle shower nozzle, its nozzle end are located inside outer light path mirror frame 3 opposite side, are blown end and the flue of shower nozzle 703
Road 704 is connected, and located at the outside of outer light path mirror frame 3, is additionally provided with one and unit 8 is recovered by filtration, for holding hydro-peening mistake
Cleaning fluid.
In addition, also include correcting mechanism 9, between outer light path mirror frame 3 and laser Machining head 4, correcting mechanism 9
Including detection part 901 and mirror mount adjustment part 902, detection part 901 includes development lamp 9011, showing board 9012 and shadow
As unit, the side of showing board 9012 is connected with position adjustment support 9013, and showing board 9012 is provided with mark 9014, mark 9014
The mark for having cross scale can be used, for development lamp 9011 located at the top of showing board 9012, the lamp 9011 that develops is purple using waterproof laser
Outer development lamp, image unit is located at the top of development lamp 9011, mirror mount adjustment part 902 and the second reflector element of optics 401
It is connected.
Preferably, described image unit includes pinhole cameras 9015 and coupled computer 9016, pin hole is taken the photograph
Image is sent to computer 9016 as first 9015, by the display image of computer 9016 and carries out deviation calculating.
Preferably, described mirror mount adjustment part 902 includes minute surface adjustment support 9021 and adjusted to fixed minute surface
The locking unit 9022 of whole support 9021, minute surface adjustment support 9021 and the second speculum in the second reflector element of optics 401
4011 are connected, and first unscrew locking unit 9022, then adjust support 9021 by minute surface to rotate the second speculum 4011
The angle of minute surface, after the completion of adjustment, then tighten locking unit 9022.
Preferably, described generating device of laser 5 is using ruby laser generating means 501.
Using the maintaining method of path optics speculum outside a kind of laser welder of the present invention, comprise the following steps：
S1：Ruby laser beam is first sent by ruby laser generating means 601, ruby laser beam is by the first reflection
After the second speculum 4011 in the reflector element 401 of mirror 401 and second, then through the focus lamp 4012 in the second reflector element 401
Exported after focusing by the output end 402 of laser Machining head 4；
S2：Laser intensity detection unit 6 is placed in the output end 402 of laser Machining head 4, laser intensity detection unit 6 is examined
When measuring laser intensity and being less than standard value, then the external speculum 301,4011 of path optics first, second is needed to be cleaned；
S3：First give pressure with pressure hydro-peening unit 702, by the multi-angle of hydro-peening shower nozzle 701 clean direction to first,
Second speculum 301,4011 is cleaned；
S4：Give compressed gas with gas piping 704 again, by be blown the multi-angle blowing direction of shower nozzle 703 to first,
The minute surface of second speculum 301,4011 is dried up；
S5：Ruby laser beam is sent with ruby laser generating means 601 again, is detected by laser intensity detection unit 6
Go out laser intensity, if also less than standard value, need the position of the external speculum 301,4011 of path optics first, second to carry out school
It is accurate；
S6：It is 5%, ON time 20-25ms by laser intensity settings during calibration, opens development lamp 9011, development
Plate 9012 is adjusted to calibrating position, triggering and conducting laser, and low level laser gets to showing board after the reflection of the first speculum 301
Show that practical laser beam position, pinhole cameras 9015 are sent to the radial direction image of computer 9016 after shooting developed image on 9012
Display and deviation computing unit, calculate deviation；Then mirror mount position is adjusted according to deviation, unclamps locking unit
9022, deviation is adjusted according to scale, calibrates minute surface adjustment support 9021 repeatedly, so as to adjust the position of the second speculum 4011,
Until being adjusted in place, then locking unit 9022 is locked again.
Preferably, the standard value in described S2 is 75%.
Preferably, the pressure hydro-peening unit 702 in described S3 is carried out clearly using 0.2~0.25MPa pressure to minute surface
Wash, twice, cleaning one minute, interval carry out cleaning for second after five minutes for the first time, clean two minutes, cleaning is used for cleaning
Mixing cleaning fluid be mainly acetone and cleaning agent mixes manufactured liquid in proportion, wherein acetone soln is 70~75%, clearly
Clean dose is 30~25%, and temperature during mixed solution is 55~65 DEG C.
Preferably, the gas piping 704 in described S4 is blown using 0.1~0.15MPa pressure to minute surface, when
Between be three minutes.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in the range of claims of the present invention.
Claims (9)
1. a kind of outer path optics speculum attending device of laser welder, including the laser being sequentially connected by outer light path pipeline are humorous
Shaken chamber output unit, outer light path mirror frame and laser Machining head, and the first speculum is provided with outer light path mirror frame, is swashed
The reflector element of optics second is provided with light processing head, it is characterised in that also including generating device of laser, laser intensity detection means
And wiper mechanism, generating device of laser is in laserresonator output unit, and laser intensity detection means is located at Laser Processing
The outside of head, wiper mechanism include hydro-peening shower nozzle, pressure hydro-peening unit, injection shower nozzle and gas piping, the shower nozzle of hydro-peening shower nozzle
Side of the end inside outer light path mirror frame, the end of hydro-peening shower nozzle is connected with pressure hydro-peening unit, and is located at outer light
The outside of road mirror frame, opposite side of the nozzle end of shower nozzle inside outer light path mirror frame is blown, is blown shower nozzle
End be connected with gas piping, and located at outer light path mirror frame outside.
2. the outer path optics speculum attending device of a kind of laser welder as claimed in claim 1, it is characterised in that also include
Correcting mechanism, between outer light path mirror frame and laser Machining head, correcting mechanism includes detection part and mirror mount
Part is adjusted, detection part includes development lamp, showing board and image unit, and showing board is provided with mark, and development lamp is located at development
Above plate, above development lamp, mirror mount adjustment part is connected image unit with the reflector element of optics second.
3. the outer path optics speculum attending device of a kind of laser welder as claimed in claim 2, it is characterised in that described
Image unit includes pinhole cameras and coupled computer.
4. the outer path optics speculum attending device of a kind of laser welder as claimed in claim 2, it is characterised in that described
Mirror mount adjustment part includes adjustment support and the locking unit to fixed minute surface adjustment support, minute surface adjustment support and light
The second reflector element is learned to be connected.
5. the outer path optics speculum attending device of a kind of laser welder as claimed in claim 1, it is characterised in that described
Generating device of laser uses ruby laser generating means.
6. the maintaining method of the outer path optics speculum of a kind of laser welder, it is characterised in that comprise the following steps：
S1：Ruby laser beam is first sent by ruby laser generating means, ruby laser beam is by the first speculum and the
After the second speculum in two reflector elements, then by the output of laser Machining head after the focus lamp in the second reflector element focuses on
End output；
S2：Laser intensity detection unit is placed in the output end of laser Machining head, laser intensity detection unit detects that laser is strong
When degree is less than standard value, then the external speculum of path optics first, second is needed to be cleaned；
S3：Pressure first is given with pressure hydro-peening unit, first, second speculum is cleaned by hydro-peening shower nozzle；
S4：Compressed gas is given with gas piping again, the minute surface of first, second speculum is dried up by being blown shower nozzle；
S5：Ruby laser beam is sent with ruby laser generating means again, detects that laser is strong by laser intensity detection unit
Degree, if also less than standard value, needs the position of the external speculum of path optics first, second to be calibrated；
S6：It is 5%, ON time 20-25ms by laser intensity settings during calibration, development lamp is opened, and showing board is adjusted to school
Level is put, triggering and conducting laser, and low level laser is got on showing board after the reflection of the first speculum and shows practical laser beam
Position, it is sent to that computer radial direction image is shown and deviation computing unit, calculating deviate after pinhole cameras shooting developed image
Value；Then mirror mount position is adjusted according to deviation, unclamps locking unit, deviation is adjusted according to scale, after being adjusted in place, so
Locking unit is locked again afterwards.
7. the maintaining method of the outer path optics speculum of a kind of laser welder as claimed in claim 6, it is characterised in that described
S2 in standard value be 75%.
8. the maintaining method of the outer path optics speculum of a kind of laser welder as claimed in claim 6, it is characterised in that described
S3 in pressure hydro-peening unit minute surface is cleaned using 0.2~0.25MPa pressure, cleaning twice, for the first time clean
One minute, interval carried out cleaning for second after five minutes, cleans two minutes.
9. the maintaining method of the outer path optics speculum of a kind of laser welder as claimed in claim 6, it is characterised in that described
S4 in gas piping minute surface is blown using 0.1~0.15MPa pressure, the time be three minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610411302.7A CN107498178B (en) | 2016-06-14 | 2016-06-14 | A kind of outer path optics reflecting mirror maintenance device of laser welder and its maintaining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610411302.7A CN107498178B (en) | 2016-06-14 | 2016-06-14 | A kind of outer path optics reflecting mirror maintenance device of laser welder and its maintaining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107498178A true CN107498178A (en) | 2017-12-22 |
| CN107498178B CN107498178B (en) | 2019-03-29 |
Family
ID=60678333
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610411302.7A Active CN107498178B (en) | 2016-06-14 | 2016-06-14 | A kind of outer path optics reflecting mirror maintenance device of laser welder and its maintaining method |
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| Country | Link |
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| CN (1) | CN107498178B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992874A (en) * | 2020-09-22 | 2020-11-27 | 山东钢铁集团日照有限公司 | Method for adjusting laser light path of laser welding machine |
| CN117817151A (en) * | 2024-03-05 | 2024-04-05 | 北京卓镭激光技术有限公司 | Laser processing system |
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| JPH0332484A (en) * | 1989-06-29 | 1991-02-13 | Fanuc Ltd | Laser beam machine |
| CN1610598A (en) * | 2003-05-20 | 2005-04-27 | 三菱电机株式会社 | Laser processing device |
| CN101804521A (en) * | 2010-04-15 | 2010-08-18 | 中国电子科技集团公司第四十五研究所 | Galvanometer system correction device and correction method thereof |
| CN202021428U (en) * | 2010-03-05 | 2011-11-02 | 武汉大族金石凯激光系统有限公司 | Laser beam welding head used for laser pie welding equipment |
| CN104511691A (en) * | 2013-09-29 | 2015-04-15 | 宝山钢铁股份有限公司 | Laser beam outer light path system for laser welding machine |
-
2016
- 2016-06-14 CN CN201610411302.7A patent/CN107498178B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0332484A (en) * | 1989-06-29 | 1991-02-13 | Fanuc Ltd | Laser beam machine |
| CN1610598A (en) * | 2003-05-20 | 2005-04-27 | 三菱电机株式会社 | Laser processing device |
| CN202021428U (en) * | 2010-03-05 | 2011-11-02 | 武汉大族金石凯激光系统有限公司 | Laser beam welding head used for laser pie welding equipment |
| CN101804521A (en) * | 2010-04-15 | 2010-08-18 | 中国电子科技集团公司第四十五研究所 | Galvanometer system correction device and correction method thereof |
| CN104511691A (en) * | 2013-09-29 | 2015-04-15 | 宝山钢铁股份有限公司 | Laser beam outer light path system for laser welding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992874A (en) * | 2020-09-22 | 2020-11-27 | 山东钢铁集团日照有限公司 | Method for adjusting laser light path of laser welding machine |
| CN117817151A (en) * | 2024-03-05 | 2024-04-05 | 北京卓镭激光技术有限公司 | Laser processing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107498178B (en) | 2019-03-29 |
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