CN106670662A - Laser welding fixture for fuel element frame - Google Patents
Laser welding fixture for fuel element frame Download PDFInfo
- Publication number
- CN106670662A CN106670662A CN201611262809.7A CN201611262809A CN106670662A CN 106670662 A CN106670662 A CN 106670662A CN 201611262809 A CN201611262809 A CN 201611262809A CN 106670662 A CN106670662 A CN 106670662A
- Authority
- CN
- China
- Prior art keywords
- sleeve pipe
- cover plate
- pin
- lower cover
- hole
- 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.)
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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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of laser welding, and particularly discloses a laser welding fixture for a fuel element frame. The laser welding fixture comprises an upper cover plate, a lower cover plate, outer band fixing fixtures used for fixing frame bands and arranged between the upper and lower cover plates, and bushing gate pin cell pins which are connected with the upper and lower cover plates and support pin cell bands of a bushing. Due to the adoption of the laser welding fixture, laser welding of a fuel element frame can be realized, the position of a welding spot and the position of a weld seam can be irradiated with laser, interference between laser and the fixture can be avoided, and the welding spot can be moved downwards.
Description
Technical field
The invention belongs to laser welding technology field, and in particular to a kind of fuel element lattice frame fixture for laser welding.
Background technology
At present, fuel element lattice frame is using laser or electron beam welding technology.Screen work band is mutually inserted, using fixation clamp
After tool is fixed, welding within the chamber is put into, is welded.CAP1400 autonomy-oriented screen works are new products, and the country not yet carried out correlation
The development work of product.Because CAP1400 autonomy-oriented screen work product structures are close with AP1000 screen work product structures, phase is employed
Same welding equipment is welded.But because CAP1400 autonomy-oriented screen works employ the design that solder joint is moved down, existing fixture can not
Realize welding.
The content of the invention
It is an object of the invention to provide a kind of fuel element lattice frame fixture for laser welding, realizes fuel assembly screen work laser
Welding.
Technical scheme is as follows：
Fuel element lattice frame fixture for laser welding, including upper cover plate, lower cover, outer band stationary fixture, sleeve pipe lattice cell pin；
Described upper cover plate main body is square plate, connecting plate is respectively arranged on the left side and the right side in main body, in the upper of main body
Under be respectively provided on two sides with baffle plate, process through hole respectively on connecting plate, with welding equipment workbench coordinate, on baffle plate respectively plus
Work guide pin interface, for being connected with lower cover；
The working special-shaped through hole in described upper cover plate main body, special-shaped through hole is equidistantly arranged as 16 rows 16 and arranges；
In the upper surface open-blind groove of described upper cover plate, make laser unobstructed when diagonally opposing corner is incident, with welding weldering
Point is not interfered in the laser of interior strips；
The alignment type stria of 16 row 16 is opened up in upper cover plate lower surface, line style stria is blind slot, and width is more than beam thickness, deep
Degree is less than or equal to 1cm, band is clamped spacing；
Sleeve pipe lattice cell is provided with the main body of upper cover plate, in center thread mill drilling and the sleeve pipe lattice cell pin of sleeve pipe lattice cell
Coordinate, the structure determination of the position of described sleeve pipe lattice cell and quantity according to workpiece to be welded；
Described lower cover main body is square plate, and in described lower cover main body linear grooves are processed, and band is clamped
It is spacing；
Intersect bond pad locations in the screen work of lower cover main body and open round tube hole, expose solder joint；
Flos Mume through hole is opened in the main body of lower cover, Flos Mume through hole is corresponded with the screwed hole on upper cover plate, makes sleeve pipe grid
Unit pin completely through；
Lower cover baffle plate is respectively provided on two sides with up and down in lower cover, processes pilot pin connection respectively on lower cover baffle plate
The position of guide pin interface corresponds on hole, with upper cover plate；
Described outer band stationary fixture includes L-type support, trip bolt, position-limitting pin and jacking screw；
Described L-type support has two, is connected to form square frame by four trip bolts, for fixing screen work bar
Band；
Eight position-limitting pins and four jacking screws are respectively equipped with outer band stationary fixture；Described position-limitting pin is used
In outer upper-lower position of the band in outer band stationary fixture of restriction screen work；
Described jacking screw is located at the junction of two L-type supports and the bending place of each L-type support, for fixing
The lap position of outer band corner；
Process 16 long through-holes respectively in each L-type support, wherein be respectively provided with the two arms of L-type support 8 it is long
Through hole, so that laser light incident completes the welding of tongue piece weld seam；
Described sleeve pipe lattice cell pin includes bearing pin, lock-screw, sleeve pipe clamping cap and screw rod；
Described bearing pin is drum, and screw rod is located at the center of bearing pin, at the middle part of bearing pin and screw rod radially
It is provided with lock-screw；
, located at the outside of bearing pin, sleeve pipe clamping cap is located at the outside of sleeve pipe for sleeve pipe；
One end of described sleeve pipe lattice cell pin makes sleeve pipe be located in band groove through the Flos Mume through hole on lower cover, another
End is tightened in the screwed hole of upper cover plate, fixed sleeving, screen work band, upper cover plate and lower cover, and supporting sleeve grid
First band.
Described position-limitting pin is the one kind in spring screw, threaded screw.
By the rotation of fuel element lattice frame fixture for laser welding, upset, welding position make laser incident angle in 0 °-
Change between 90 °, realization moves down the welding of solder joint.
In two link positions of two L-type supports, two trip bolts are respectively equipped with.
Wing structure is not mixed on workpiece to be welded, then special-shaped through hole is processed into into manhole.
Without sleeve pipe on workpiece to be welded, then not thread mill drilling, Flos Mume through hole and sleeve pipe lattice cell pin.
Described sleeve pipe lattice cell has 25.
Described linear grooves are fixed to 32 interior bands of 17 × 17 structure lattice cells.
Described upper cover plate, lower cover and outer band stationary fixture material are metal.
Described upper cover plate, lower cover and outer band stationary fixture material are the one kind in rustless steel, titanium alloy.
The present invention remarkable result be：
(1) fuel assembly screen work laser welding can be realized using apparatus of the present invention, it is ensured that laser can be irradiated to solder joint
Position and position while welding, it is to avoid laser is interfered with fixture.
(2) apparatus of the present invention fixture can be realized completely spacing to screen work band, it is ensured that the overall dimensions and lattice cell of screen work
Size.
(3) it is applied to CAP1400 autonomy-oriented screen works using apparatus of the present invention, layout in CAP1400 autonomy-orienteds can be completed
The clamping fixation work of band, outer band in frame and mixing grillwork, while, it is ensured that the welding procedure that solder joint is moved down can be realized.
(4) apparatus of the present invention can mitigate screen work weld jig TBW using titanic alloy machining upper cover plate and lower cover
Amount, realization is carried easily.
(5) apparatus of the present invention recessing can enable laser be irradiated to the screen work solder joint for sinking to interior strips.
(6) the outer band stationary fixture in apparatus of the present invention has used spring screw or threaded screw, it is possible to achieve quick
Clamping, improves work efficiency.
Description of the drawings
Fig. 1 is upper cover plate top view；
Fig. 2 is upper cover plate front view；
Fig. 3 is lower cover top view；
Fig. 4 is outer band stationary fixture front view；
Fig. 5 is outer band stationary fixture left view；
Fig. 6 is sleeve pipe lattice cell pin schematic diagram.
In figure：1. upper cover plate；2. lower cover；3. outer band stationary fixture；4. sleeve pipe lattice cell pin；5. special-shaped through hole；6. recessed
Groove；7. sleeve pipe lattice cell；8. screwed hole；9. through hole；10. guide pin interface；11. linear grooves；12. round tube holes；13. Flos Mume through holes；14.
Pilot pin connecting hole；15.L type supports；16. bearing pins；17. lock-screws；18. sleeve pipe clamping caps；19. screw rods；20. trip bolts；
21. position-limitting pins；22. jacking screws.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
Fuel element lattice frame fixture for laser welding as shown in figures 1 to 6, including upper cover plate 1, lower cover 2, outer band fix
Fixture 3 and sleeve pipe lattice cell pin 4.
The described main body of upper cover plate 1 is square plate, connecting plate is respectively arranged on the left side and the right side in main body, in the upper of main body
Under be respectively provided on two sides with baffle plate, process through hole 9 respectively on connecting plate, coordinate with welding equipment workbench, on baffle plate respectively
Processing guide pin interface 10, for being connected with lower cover 2.
The working special-shaped through hole 5 in the described main body of upper cover plate 1, special-shaped through hole 5 is equidistantly arranged as 16 rows 16 and arranges, and is holding
Receive while mix the wing, solder joint can be exposed；If not mixing wing structure on workpiece to be welded, special-shaped through hole 5 is processed into
Manhole.
In the upper surface open-blind groove 6 of described upper cover plate 1, so as to laser it is unobstructed when diagonally opposing corner is incident, with weldering
The laser that solder joint is connect in interior strips is not interfered, by the rotation of fuel element lattice frame fixture for laser welding, upset, in weldering
Connecing position can be such that the incident angle of laser and to-be-welded region changes between 0 ° -90 °, and realization moves down the welding of solder joint.
The alignment type stria of 16 row 16 is opened up in the lower surface of the main body of upper cover plate 1, line style stria is blind slot, and width is more than band
Thickness, depth is less than or equal to 1cm, band is clamped spacing.
Sleeve pipe lattice cell 7 is provided with the main body of upper cover plate 1, the knot of the position of sleeve pipe lattice cell 7 and quantity according to workpiece to be welded
Structure determines that embodiment selects 25 sleeve pipe lattice cells 7.In the center thread mill drilling 8 and sleeve pipe lattice cell pin 4 of sleeve pipe lattice cell 7
Coordinate, if without sleeve pipe on workpiece to be welded, not thread mill drilling 8.
The described main body of lower cover 2 is square plate, linear grooves 11 is processed in the described main body of lower cover 2, to band
Clamping is spacing, realizes fixing 32 interior bands of 17 × 17 structure lattice cells in embodiment；Intersect in the screen work of the main body of lower cover 2
Bond pad locations open round tube hole 12, to expose solder joint；Flos Mume through hole 13, Flos Mume through hole 13 and upper lid are opened in the main body of lower cover 2
Screwed hole 8 on plate 1 is corresponded, enable sleeve pipe lattice cell pin 4 completely through, and give sleeve pipe lattice cell pin 4 provide support.If to be welded
Connect on workpiece without sleeve pipe, then do not process Flos Mume through hole 13.
Lower cover baffle plate is respectively provided on two sides with up and down in lower cover 2, processes pilot pin connection respectively on lower cover baffle plate
The position of guide pin interface 10 corresponds on hole 14, with upper cover plate 1, to be connected using pilot pin and guide pin interface 10.
Described outer band stationary fixture 3 includes L-type support 15, trip bolt 20, position-limitting pin 21 and jacking screw 22,
Described L-type support 15 has two, is connected to form square frame by four trip bolts 20, right for fixing screen work band
Ribbon support is spacing, and does not affect the welding of tongue piece weld seam and angle welding.In two link positions of two L-type supports 15, point
It is not provided with two trip bolts 20.
Eight position-limitting pins 21 and four jacking screws 22 are respectively equipped with outer band stationary fixture 3.Described is spacing
Pin 21 is the one kind in spring screw, threaded screw, upper and lower in outer band stationary fixture 3 for limiting the outer band of screen work
Position, prevents screen work play in outer band stationary fixture 3.Connection of the described jacking screw 22 located at two L-type supports 15
Place and the bending place of each L-type support 15, for the lap position of the outer band corner of fixation.
16 long through-holes are processed respectively in each L-type support 15, wherein being respectively provided with 8 in the two arms of L-type support 15
Individual long through-hole, so that laser light incident completes the welding of tongue piece weld seam.
Described upper cover plate 1, lower cover 2 and the outer material of band stationary fixture 3 are metal, can be rustless steel, preferred titanium
Alloy.
Described sleeve pipe lattice cell pin 4 includes bearing pin 16, lock-screw 17, sleeve pipe clamping cap 18 and screw rod 19.Described pin
Axle 16 is drum, and screw rod 19 is radially provided with lock located at the center of bearing pin 16 at the middle part of bearing pin 16 and screw rod 19
Tight screw 17, for fixed pin shaft 16 and screw rod 19., located at the outside of bearing pin 16, sleeve pipe clamping cap 18 is located at the outer of sleeve pipe for sleeve pipe
Side, for fixed sleeving and bearing pin 16.
One end of described sleeve pipe lattice cell pin 4 makes sleeve pipe be located in band groove through the Flos Mume through hole 13 on lower cover 2,
The other end is tightened in the screwed hole 8 of upper cover plate 1, and sleeve pipe dative frame band, upper cover plate 1 and lower cover 2 are fixed, and
Supporting sleeve lattice cell band.If without sleeve pipe on workpiece to be welded, not processing sleeve pipe lattice cell pin 4.
CAP1400 autonomy-orienteds screen work is the newly-designed design of the fuel screen work with independent intellectual property right of China, of the invention
Fixture is applied to the welding of CAP1400 autonomy-oriented screen works, and the fixture realizes laser welding that solder joint is moved down in band and right
In screen work band positioning support, it is ensured that 32 interior bands be mutually inserted after positioning.
Claims (10)
1. fuel element lattice frame fixture for laser welding, it is characterised in that：Fix including upper cover plate (1), lower cover (2), outer band
Fixture (3), sleeve pipe lattice cell pin (4)；
Described upper cover plate (1) main body is square plate, connecting plate is respectively arranged on the left side and the right side in main body, in the upper and lower of main body
Baffle plate is respectively provided on two sides with, through hole (9) is processed respectively on connecting plate, is coordinated with welding equipment workbench, on baffle plate respectively
Processing guide pin interface (10), for being connected with lower cover (2)；
The working special-shaped through hole (5) in described upper cover plate (1) main body, special-shaped through hole (5) is equidistantly arranged as 16 rows 16 and arranges；
In upper surface open-blind groove (6) of described upper cover plate (1), make laser unobstructed when diagonally opposing corner is incident, with welding
Solder joint is not interfered in the laser of interior strips；
The alignment type stria of 16 row 16 is opened up in upper cover plate (1) lower surface, line style stria is blind slot, and width is more than beam thickness, deep
Degree is less than or equal to 1cm, band is clamped spacing；
Sleeve pipe lattice cell (7) is provided with the main body of upper cover plate (1), in center thread mill drilling (8) and the set of sleeve pipe lattice cell (7)
Pipe lattice cell pin (4) coordinates, the structure determination of the position of described sleeve pipe lattice cell (7) and quantity according to workpiece to be welded；
Described lower cover (2) main body is square plate, linear grooves (11) is processed in described lower cover (2) main body, to bar
Band clamping is spacing；
Intersect bond pad locations in the screen work of lower cover (2) main body and open round tube hole (12), to expose solder joint；
Flos Mume through hole (13) is opened in the main body of lower cover (2), the screwed hole (8) on Flos Mume through hole (13) and upper cover plate (1) is one by one
Correspondence, make sleeve pipe lattice cell pin (4) completely through；
Lower cover baffle plate is respectively provided on two sides with up and down in lower cover (2), processes pilot pin connecting hole respectively on lower cover baffle plate
(14), correspond with the position of guide pin interface (10) on upper cover plate (1)；
Described outer band stationary fixture (3) is including L-type support (15), trip bolt (20), position-limitting pin (21) and jacking spiral shell
Nail (22)；
Described L-type support (15) has two, is connected to form square frame by four trip bolts (20), for fixing screen work
Band；
Eight position-limitting pins (21) and four jacking screws (22) are respectively equipped with outer band stationary fixture (3)；Described limit
Position pin (21) is for limiting outer upper-lower position of the band in outer band stationary fixture (3) of screen work；
Described jacking screw (22) located at the junction of two L-type supports (15) and the bending place of each L-type support (15),
For the lap position of the outer band corner of fixation；
16 long through-holes are processed respectively in each L-type support (15), wherein being respectively provided with 8 in the two arms of L-type support (15)
Individual long through-hole, so that laser light incident completes the welding of tongue piece weld seam；
Described sleeve pipe lattice cell pin (4) includes bearing pin (16), lock-screw (17), sleeve pipe clamping cap (18) and screw rod (19)；
Described bearing pin (16) is drum, screw rod (19) located at the center of bearing pin (16), in bearing pin (16) and screw rod
(19) middle part is radially provided with lock-screw (17)；
, located at the outside of bearing pin (16), sleeve pipe clamping cap (18) is located at the outside of sleeve pipe for sleeve pipe；
One end of described sleeve pipe lattice cell pin (4) makes sleeve pipe be located at band groove through the Flos Mume through hole (13) on lower cover (2)
Interior, the other end is tightened in the screwed hole (8) of upper cover plate (1), fixed sleeving, screen work band, upper cover plate (1) and lower cover
Plate (2), and supporting sleeve lattice cell band.
2. fuel element lattice frame fixture for laser welding as claimed in claim 1, it is characterised in that：Described position-limitting pin (21)
For the one kind in spring screw, threaded screw.
3. fuel element lattice frame fixture for laser welding as claimed in claim 2, it is characterised in that：Swashed by fuel element lattice frame
The rotation of flush weld welding fixture, upset, change between welding position makes laser incident angle in 0 ° -90 °, and realization moves down solder joint
Welding.
4. fuel element lattice frame fixture for laser welding as claimed in claim 3, it is characterised in that：In two L-type supports (15)
Two link positions, be respectively equipped with two trip bolts (20).
5. fuel element lattice frame fixture for laser welding as claimed in claim 4, it is characterised in that：Do not stir on workpiece to be welded
Mixed wing structure, then be processed into manhole by special-shaped through hole (5).
6. fuel element lattice frame fixture for laser welding as claimed in claim 5, it is characterised in that：Without set on workpiece to be welded
Pipe, then not thread mill drilling (8), Flos Mume through hole (13) and sleeve pipe lattice cell pin (4).
7. fuel element lattice frame fixture for laser welding as claimed in claim 3, it is characterised in that：Described sleeve pipe lattice cell (7)
There are 25.
8. fuel element lattice frame fixture for laser welding as claimed in claim 7, it is characterised in that：Described linear grooves (11) are right
32 interior bands of 17 × 17 structure lattice cells are fixed.
9. fuel element lattice frame fixture for laser welding as claimed in claim 8, it is characterised in that：Described upper cover plate (1), under
Cover plate (2) and outer band stationary fixture (3) material are metal.
10. fuel element lattice frame fixture for laser welding as claimed in claim 8, it is characterised in that：Described upper cover plate (1),
Lower cover (2) and outer band stationary fixture (3) material are the one kind in rustless steel, titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262809.7A CN106670662B (en) | 2016-12-30 | 2016-12-30 | Fuel element lattice frame fixture for laser welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262809.7A CN106670662B (en) | 2016-12-30 | 2016-12-30 | Fuel element lattice frame fixture for laser welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106670662A true CN106670662A (en) | 2017-05-17 |
| CN106670662B CN106670662B (en) | 2018-08-21 |
Family
ID=58850090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611262809.7A Active CN106670662B (en) | 2016-12-30 | 2016-12-30 | Fuel element lattice frame fixture for laser welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106670662B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434360A (en) * | 2018-12-29 | 2019-03-08 | 中核北方核燃料元件有限公司 | A kind of nuclear fuel assembly screen work welding fixture |
| CN111331549A (en) * | 2018-12-19 | 2020-06-26 | 中核建中核燃料元件有限公司 | Four-point positioning fuel assembly framework assembling device |
| CN111477358A (en) * | 2020-05-25 | 2020-07-31 | 中国原子能科学研究院 | Strip grid cell combined positioning grid |
| CN112828485A (en) * | 2020-12-31 | 2021-05-25 | 南昌航空大学 | Device for micro laser spot welding of thrust foil |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5398264A (en) * | 1994-05-20 | 1995-03-14 | B&W Fuel Company | Grid welding fixture for a spacer grid |
| CN103165204A (en) * | 2011-12-14 | 2013-06-19 | 中核建中核燃料元件有限公司 | Grid frame external strip assembling fixture |
| CN104972234A (en) * | 2015-07-17 | 2015-10-14 | 上海科凌能源科技有限公司 | Tool for laser welding of printed circuit heat exchanger |
| CN105014288A (en) * | 2015-08-20 | 2015-11-04 | 哈尔滨工业大学 | Welding fixture for nuclear fuel assembly positioning grillwork |
| CN105070324A (en) * | 2015-08-20 | 2015-11-18 | 哈尔滨工业大学 | Assembling clamp for nuclear fuel assembly positioning grillwork |
-
2016
- 2016-12-30 CN CN201611262809.7A patent/CN106670662B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5398264A (en) * | 1994-05-20 | 1995-03-14 | B&W Fuel Company | Grid welding fixture for a spacer grid |
| CN103165204A (en) * | 2011-12-14 | 2013-06-19 | 中核建中核燃料元件有限公司 | Grid frame external strip assembling fixture |
| CN104972234A (en) * | 2015-07-17 | 2015-10-14 | 上海科凌能源科技有限公司 | Tool for laser welding of printed circuit heat exchanger |
| CN105014288A (en) * | 2015-08-20 | 2015-11-04 | 哈尔滨工业大学 | Welding fixture for nuclear fuel assembly positioning grillwork |
| CN105070324A (en) * | 2015-08-20 | 2015-11-18 | 哈尔滨工业大学 | Assembling clamp for nuclear fuel assembly positioning grillwork |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331549A (en) * | 2018-12-19 | 2020-06-26 | 中核建中核燃料元件有限公司 | Four-point positioning fuel assembly framework assembling device |
| CN109434360A (en) * | 2018-12-29 | 2019-03-08 | 中核北方核燃料元件有限公司 | A kind of nuclear fuel assembly screen work welding fixture |
| CN111477358A (en) * | 2020-05-25 | 2020-07-31 | 中国原子能科学研究院 | Strip grid cell combined positioning grid |
| CN112828485A (en) * | 2020-12-31 | 2021-05-25 | 南昌航空大学 | Device for micro laser spot welding of thrust foil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106670662B (en) | 2018-08-21 |
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