CN103722291B - The continuously adjustable laser-impact welder of angle of attack under a kind of vacuum environment - Google Patents
The continuously adjustable laser-impact welder of angle of attack under a kind of vacuum environment Download PDFInfo
- Publication number
- CN103722291B CN103722291B CN201410001861.1A CN201410001861A CN103722291B CN 103722291 B CN103722291 B CN 103722291B CN 201410001861 A CN201410001861 A CN 201410001861A CN 103722291 B CN103722291 B CN 103722291B
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- laser
- vacuum
- impact
- vacuum chamber
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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
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/1224—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in vacuum
-
- 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
- B23K26/22—Spot welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides the continuously adjustable laser-impact welder of angle of attack under a kind of vacuum environment, comprise computer control system, laser generating system, vacuum system and fixture, described fixture is positioned at vacuum chamber, is fixed on vacuum chamber bottom surface, fixture comprises the tilting table of the adjustable horizontal table of upper-lower position and tilt adjustable, described laser generating system is connected with vacuum chamber by light path, described laser generating system, vacuum system and all control with computer control system.Present invention achieves the continuously adjustabe of angle of attack in the process of laser-impact welding, eliminate the resistance of atmospheric pressure to compound plate material ultra-thin under high speed impact condition, effectively improve welding performance.
Description
Technical field
The invention belongs to welding field, the continuously adjustable laser-impact welder of angle of attack under especially a kind of vacuum environment.
Background technology
Laser-impact welding machine is the material solder technology under a kind of emerging high speed impact condition, the spot welding between of the same race and foreign material can be realized, heat affected area is there is not in its advantage after being welding, therefore, soldered material can keep even higher than the performance of mother metal, and it can not cause the problem such as crackle, corrosion as the remitted its fury of melting at solder bond place or welding region due to the residual stress existed.This emerging notification number is proposed high speed impact welding method in the patent Low-temperature laser spotimpact welding without contact of US8084710 (B2) first, its principle is the plasma that laser is irradiated to that opaque coating becomes HTHP, produces shock wave and drives compound plate material high-speed impact substrate to realize spot welding.In this welding method, angle of attack and the quality of impact velocity to welding play important influence, therefore, normally selected specific angle of attack, such as, in " Application of high velocity impact welding at varied different length scales " selected angle of attack is 15 °.At present, the device of the different angle of attack welding quality impact of unprecedented research.
Impact velocity, usually by laser energy drived control, is propose impact velocity in the patent Low-temperature laser spot impact welding without contact of US8084710 (B2) must be greater than the spot welding that 100m/s can realize compound plate material and substrate according to publication number.For the material that thickness 100 microns is even thinner, under high speed impact, atmospheric pressure can produce very large resistance to compound plate, affects welding quality.And existing laser-impact welding method does not consider this factor, therefore existing defects.
The Fundamentals of Welding of the same explosive welding of laser-impact solder technology, electromagnetic pulse welding are identical, all utilize two pieces of metallic plates with a suitable angle high velocity impact, in shock point position, impact the yield stress that the stress produced substantially exceeds metal, the corrupt split face of distortion can produce jet.Spray and propagate gradually along mating surface, cleared up surperficial oxide layer, stay two clean after faying face, the atom of faying face there occurs the combination of chemical bond and metallic bond under the effect of great contact, thus reaches very high bonding strength.Laser-impact welding is generally used for size in 200 microns or thinner material, and welding region diameter is generally several millimeters.Publication number is the method and apparatus that the patent of CN1792545A provides a kind of preparing gradient material by laser impacting welding, for the welding of large area heavy thickness material.Publication number is the method and apparatus that patent describes a kind of laser blasting explosion type welding of CN1757480A, utilize induced with laser shock wave and blast wave to drive compound plate to clash into substrate and realize welding, for macro-energy and the welding compared with slab part, in this application, do not relate to the change of angle of attack and impact velocity yet.
Summary of the invention
For Shortcomings in prior art, in order to realize laser-impact welding process in angle of attack continuously accurately adjustable, be convenient to the impact checking different angle of attack welding quality easily, and eliminate the resistance of atmospheric pressure to compound plate material ultra-thin under high speed impact condition, effectively improve welding performance; The invention provides the continuously adjustable laser-impact welder of angle of attack under a kind of vacuum environment.
The present invention realizes above-mentioned technical purpose by following technological means.
The continuously adjustable laser-impact welder of angle of attack under a kind of vacuum environment, comprise computer control system, laser generating system, focusing drawtube, vacuum system and fixture, described vacuum system comprises controller for vacuum pump, vavuum pump, vacuum chamber, described controller for vacuum pump and vavuum pump electrically connect, described vavuum pump is connected with the bleeding point of vacuum chamber, and the upper wall of vacuum chamber is provided with light hole, described fixture is arranged in vacuum chamber, be fixed on the bottom surface of vacuum chamber, described fixture comprises the column vertically arranged, horizontally disposed base, to mating plate, horizontal table, tilting table, sliding sleeve, one end of described horizontal table is moving up and down to be assemblied on column, the other end is connected by hinge arrangement with one end of described tilting table, the other end of described tilting table is connected with sliding sleeve by hinge arrangement, described slide over horizontal direction can movement be assemblied on base, described tilting table is provided with clamping piece, compact heap is provided with above described horizontal table, be contained on column to mating plate is moving up and down, and be positioned at above horizontal table, described laser generating system comprises laser controller, generating laser, described generating laser is connected with focusing drawtube by optical fiber, described focusing drawtube is arranged on the top of vacuum chamber light hole and is connected with the end face of vacuum chamber, and described laser controller, controller for vacuum pump all electrically connect with computer control system.
Preferably, described horizontal table is connected by adapter sleeve with between column, and described horizontal table is fixedly connected on adapter sleeve, and described adapter sleeve is enclosed within column, described adapter sleeve by holding screw realize with the locking of column be separated.
Preferably, described sliding sleeve is enclosed within base.
Preferably, described sliding sleeve is connected by slide rail with base.
Preferably, also comprise the positioning screw be assemblied on sliding sleeve, one end of described positioning screw is connected with column, and the other end is provided with the second locking nut.
Preferably, described tilting table side is provided with angle indicating piece, and the extended line on the base of described angle indicating piece passes the center of the hinge connecting sliding sleeve and tilting table, and the hinge connecting sliding sleeve and tilting table arranges angle dial.
Preferably, described vacuum chamber is surrounded by the vacuum cavity of the tubular structure of seal cover, both ends open, sealed base, vacuum cavity is tightly connected by screw, sealing ring and sealed base, is tightly connected between described seal cover and vacuum cavity by screw, sealing ring; Described fixture is fixed on sealed base, and light hole is arranged on seal cover.
Preferably, described laser-impact welder also comprises securing bracket, three-dimensional mobile platform, three-dimensional mobile platform controller, described sealed base is fixed on three-dimensional mobile platform, three-dimensional mobile platform is controlled by three-dimensional mobile platform controller, and described three-dimensional mobile platform controller and computer control system electrically connect; Described securing bracket comprises support, supports swivel nut, circular cover, circular holddown plate, described support is fixing on the table, supporting swivel nut is fixed on support, cover is contained on support, by support swivel nut and supports, edge outwardly, described vacuum cavity top is placed in cover, described holddown plate to be placed on seal cover and to be assemblied on support, the support on holddown plate top is equipped with the first locking nut.
Preferably, be threaded connection between described support swivel nut and support.
Beneficial effect of the present invention is:
The first, fixture can realize the continuous accurate adjustment of angle of attack easily, is convenient to verify the impact of different angle of attack on laser-impact welding quality, and the effective manufacture reducing different angle of attack fixture, saves production cost and the clamping time.
The second, under eliminating high speed impact condition, atmospheric pressure is to the resistance of ultra-thin compound plate material, and substantially increase welding performance, under also can be used in studying the high speed impact being greater than 100m/s, atmospheric pressure is on the impact of compound plate material welding performance.
Three, by angle of attack and atmospheric pressure to the simple and effective inspection of welding performance impact, the preparation being applied to the processing of MEMS (MEMS) part and fine-scale composite for laser-impact solder technology provides the guidance of effective technological parameter.
Accompanying drawing explanation
Fig. 1 is the structure chart of angle of attack continuously adjustable laser-impact welder one embodiment under vacuum environment of the present invention.
Fig. 2 is the front view of described fixture.
Fig. 3 is the left-hand axis mapping of described fixture.
Fig. 4 is the right-hand axis mapping of described fixture.
Fig. 5 is the side view of described compound plate.
Fig. 6 is the front view of described compound plate.
Fig. 7 is the partial enlarged drawing of described fixture.
Fig. 8 is the explosive view of described securing bracket.
Description of reference numerals is as follows:
1-computer control system, 2-laser controller, 3-generating laser, 4-optical fiber, 5-end cap, 6-focusing drawtube, 7-seal cover, 8-securing bracket, 801-support, 802-screw, 803-supports swivel nut, 804-cover, 805-holddown plate, 806-first locking nut, 9-vacuum cavity, 10-fixture, 11-sealed base, 12-three-dimensional mobile platform, 13-workbench, 14-controller for vacuum pump, 15-three-dimensional mobile platform controller, 16-vavuum pump, 17-column, 18-is to mating plate, 19-compact heap, 20-holding screw, 21-adapter sleeve, 22-horizontal table, 23-holddown plate, 24-tilting table, 25-base, 26-sliding sleeve, 27-second locking nut, 28-positioning screw, 29-compound plate, the pitch-dark layer of 30-, 31-K9 glass, 32-substrate, 33-angle indicating piece.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
Figure 1 shows that an embodiment of the continuously adjustable laser-impact welder of angle of attack under vacuum environment of the present invention.Under described vacuum environment, the continuously adjustable laser-impact welder of angle of attack, comprises computer control system 1, laser generating system, focusing drawtube 6, vacuum system and fixture 10.
Described vacuum system provides vacuum environment for described laser-impact welder, and under eliminating high speed impact condition, atmospheric pressure is to the resistance of ultra-thin compound plate material, improves welding performance.Described vacuum system comprises controller for vacuum pump 14, vavuum pump 16, vacuum chamber, and described controller for vacuum pump 14 electrically connects with vavuum pump 16, and described vavuum pump 16 is connected with the bleeding point of vacuum chamber.Described controller for vacuum pump 14 carries out bleeding and exitting for controlling vavuum pump 16, and the air pressure in vacuum chamber.The upper wall of vacuum chamber is provided with light hole, for laser provides light path.Described laser generating system comprises laser controller 2, generating laser 3, and generating laser 3 produce power is at the laser of 2J-10J, and laser controller 2 adjusts for controlling generating laser 3 pairs of laser parameters.Described generating laser 3 is connected with focusing drawtube 6 by optical fiber.Concrete, be provided with end cap 5 between described optical fiber 4 and focusing drawtube 6, described optical fiber 4 is connected with end cap 5, and described end cap 5 is fixed on focusing drawtube 6, and described end cap 5 is located by straight pin with the position of focusing drawtube 6.Described focusing drawtube 6 is arranged on the top of vacuum chamber light hole and is connected with the end face of vacuum chamber, and uses screw lock.Laser controller 2 controls generating laser 3 and sends laser, is coupled through focusing drawtube 6, light hole is transmitted in vacuum chamber through optical fiber 4.Computer control system 1 is as human-computer interaction device, and described laser controller 2, controller for vacuum pump 14 all electrically connect with computer control system 1.Parameter for controlling laser controller 2, controller for vacuum pump 14, and is preserved by computer control system 1.
As shown in Figure 2, Figure 3, Figure 4, described fixture 10 is arranged in vacuum chamber, is fixed on the bottom surface of vacuum chamber, for fixing weldment.Because laser optical path is incorporated in vacuum plant, effectively raise security, the positional precision of the light hole on vacuum chamber and the accuracy of manufacture of fixture are also depended on to photosensitiveness, greatly reduce human factor to the error caused light.Described fixture 10 comprise vertically arrange column 17, horizontally disposed base 25, to mating plate 18, horizontal table 22, tilting table 24, sliding sleeve 26.Column 17 is screwed between base 25, and base 25 is connected on the bottom surface of vacuum chamber by screw, realizes the accurate location of fixture.Described horizontal table 22 is for installing compound plate, and described tilting table 24 is for installation base plate.In order to reach the object making laser-impact adjustable angle, one end of described horizontal table 22 is moving up and down to be assemblied on column 17, the other end is connected by hinge arrangement with one end of described tilting table 24, the other end of described tilting table 24 is connected with sliding sleeve 26 by hinge arrangement, and sliding sleeve 26 in the horizontal direction can being assemblied on base 25 of movement.Wherein tilting table 24 is connected with hinge arrangement respectively with horizontal table 22, sliding sleeve 26, can ensure that tilting table 24 realizes 0 ~ 90 ° of rotation around hinge arrangement; Horizontal table 22, sliding sleeve 26 respectively with column 17, base 25 is mobile is connected, and can ensure the tilt adjustable of described tilting table 24.Described horizontal table 22 is connected by adapter sleeve 21 with between column 17, and described horizontal table 22 is fixedly connected on adapter sleeve 21, and described adapter sleeve 21 is enclosed within column 17, described adapter sleeve 21 by holding screw 20 realize with the locking of column 17 be separated.By the slip of adapter sleeve 21 on column 17 to drive horizontal table 22 in the movement of vertical direction.Described sliding sleeve 26 is enclosed within base 25, and sliding sleeve 26 is equipped with positioning screw 28, and one end of described positioning screw 28 is connected with column, and the other end is provided with the second locking nut 27; Sliding sleeve 26 slides and realizes the conversion of tilting table 24 horizontal level on base 25.After the position of tilting table 24 is determined, lock with the second locking nut 27.As a kind of modification, described sliding sleeve 26 also can be connected by slide rail with base 25.Conveniently determine the angle of inclination of tilting table 24, as shown in Figure 7, at the side fixed angle indicating piece 33 of tilting table 24, make the extended line on the base of described angle indicating piece 33 through connecting the center of sliding sleeve 26 with the hinge of tilting table 24, this hinge arranges angle dial.Described tilting table 24 is provided with clamping piece 24, above described horizontal table 22, is provided with compact heap 19, to be contained on column 17 mating plate 18 is moving up and down and is positioned at above horizontal table 22.
As shown in Figure 5, Figure 6, pitch-dark layer 30 is coated in the region of not polishing of compound plate 29, and make adhesive by compound plate 29 and K9 glass 31 close adhesion with water, then clamping is on horizontal table 22, and ensure that the front end of compound plate 29 faces the substrate 32 be fixed on tilting table, as shown in Figure 4.
As shown in Figure 1, in the present embodiment, described vacuum chamber is surrounded by the vacuum cavity 9 of the tubular structure of seal cover 7, both ends open, sealed base 11.Vacuum cavity 9 is tightly connected by screw, sealing ring and sealed base 11, is tightly connected between described seal cover 7 and vacuum cavity 9 by screw, sealing ring; Described fixture 10 is fixed on sealed base 11, and light hole is arranged on seal cover 7.Seal cover 7, vacuum cavity 9 are supported by securing bracket 8, sealed base 11 is fixed on three-dimensional mobile platform 12, three-dimensional mobile platform 12 is controlled by three-dimensional mobile platform controller 15, and described three-dimensional mobile platform controller 15 electrically connects with computer control system 1.As shown in Figure 8, described securing bracket 8 comprises support 801, supports swivel nut 803, circular cover 804, circular holddown plate 805, described support 801 is fixing on the table, support swivel nut 803 is threaded connection and is assemblied on support 801, cover 804 is contained on support 801, by support swivel nut 803 and supports, edge outwardly, described vacuum cavity 9 top is placed in cover 804, described holddown plate 805 to be placed on seal cover 7 and to be assemblied on support 801, the support 801 on holddown plate 805 top is equipped with the first locking nut 806.By controlling the action of three-dimensional mobile platform 12, realize sealed base 11 tight with being separated with conjunction of vacuum cavity 9.
Described embodiment is preferred embodiment of the present invention; but invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (9)
1. the continuously adjustable laser-impact welder of angle of attack under a vacuum environment, it is characterized in that, comprise computer control system (1), laser generating system, focusing drawtube (6), vacuum system and fixture (10), described vacuum system comprises controller for vacuum pump (14), vavuum pump (16), vacuum chamber, described controller for vacuum pump (14) and vavuum pump (16) electrically connect, described vavuum pump (16) is connected with the bleeding point of vacuum chamber, and the upper wall of vacuum chamber is provided with light hole, described fixture (10) is arranged in vacuum chamber, be fixed on the bottom surface of vacuum chamber, described fixture (10) comprises the column (17) vertically arranged, horizontally disposed base (25), to mating plate (18), horizontal table (22), tilting table (24), sliding sleeve (26), one end of described horizontal table (22) is moving up and down to be assemblied on column (17), the other end is connected by hinge arrangement with the one end of described tilting table (24), the other end of described tilting table (24) is connected with sliding sleeve (26) by hinge arrangement, described sliding sleeve (26) in the horizontal direction can movement be assemblied on base (25), (24) are provided with clamping piece to described tilting table, described horizontal table (22) top is provided with compact heap (19), be contained on column (17) to mating plate (18) is moving up and down, and be positioned at horizontal table (22) top, described laser generating system comprises laser controller (2), generating laser (3), described generating laser (3) is connected with focusing drawtube (6) by optical fiber, described focusing drawtube (6) is arranged on the top of vacuum chamber light hole and is connected with the end face of vacuum chamber, and described laser controller (2), controller for vacuum pump (14) all electrically connect with computer control system (1).
2. laser-impact welder according to claim 1, it is characterized in that, be connected by adapter sleeve (21) between described horizontal table (22) with column (17), described horizontal table (22) is fixedly connected on adapter sleeve (21), described adapter sleeve (21) is enclosed within column (17), described adapter sleeve (21) by holding screw (20) realize with the locking of column (17) be separated.
3. laser-impact welder according to claim 1, is characterized in that, described sliding sleeve (26) is enclosed within base (25).
4. laser-impact welder according to claim 1, is characterized in that, described sliding sleeve (26) is connected by slide rail with base (25).
5. laser-impact welder according to claim 1, it is characterized in that, described tilting table (24) side is provided with angle indicating piece (33), the extended line on the base of described angle indicating piece (33), through connecting the center of sliding sleeve (26) with the hinge of tilting table (24), the hinge connecting sliding sleeve (26) and tilting table (24) arranges angle dial.
6. laser-impact welder according to claim 1, it is characterized in that, described vacuum chamber is surrounded by the vacuum cavity (9) of the tubular structure of seal cover (7), both ends open, sealed base (11), vacuum cavity (9) is tightly connected by screw, sealing ring and sealed base (11), is tightly connected between described seal cover (7) and vacuum cavity (9) by screw, sealing ring; Described fixture (10) is fixed on sealed base (11), and light hole is arranged on seal cover (7).
7. laser-impact welder according to claim 6, it is characterized in that, also comprise securing bracket (8), three-dimensional mobile platform (12), three-dimensional mobile platform controller (15), described sealed base (11) is fixed on three-dimensional mobile platform (12), three-dimensional mobile platform (12) is controlled by three-dimensional mobile platform controller (15), and described three-dimensional mobile platform controller (15) and computer control system (1) electrically connect, described securing bracket (8) comprises support (801), support swivel nut (803), circular cover (804), circular holddown plate (805), described support (801) is fixing on the table, supporting swivel nut (803) is fixed on support (801), cover (804) is contained on support (801), supported by support swivel nut (803), edge outwardly, described vacuum cavity (9) top is placed in cover (804), described holddown plate (805) is placed on seal cover (7), and be assemblied on support (801), the support (801) on holddown plate (805) top is equipped with the first locking nut (806).
8. laser-impact welder according to claim 7, is characterized in that, is threaded connection between described support swivel nut (803) and support (801).
9. laser-impact welder according to claim 1, it is characterized in that, also comprise the positioning screw (28) be assemblied on sliding sleeve (26), one end of described positioning screw (28) is connected with column, and the other end is provided with the second locking nut (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001861.1A CN103722291B (en) | 2014-01-02 | 2014-01-02 | The continuously adjustable laser-impact welder of angle of attack under a kind of vacuum environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001861.1A CN103722291B (en) | 2014-01-02 | 2014-01-02 | The continuously adjustable laser-impact welder of angle of attack under a kind of vacuum environment |
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| Publication Number | Publication Date |
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| CN103722291A CN103722291A (en) | 2014-04-16 |
| CN103722291B true CN103722291B (en) | 2015-09-02 |
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| CN201410001861.1A Expired - Fee Related CN103722291B (en) | 2014-01-02 | 2014-01-02 | The continuously adjustable laser-impact welder of angle of attack under a kind of vacuum environment |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104227220B (en) * | 2014-09-12 | 2016-03-30 | 江苏大学 | A kind of large-area laser impact spot welding method based on nano-particle reinforcement and device |
| US10399171B2 (en) | 2015-01-29 | 2019-09-03 | Messer Cutting Systems Inc. | Systems and methods for cutting a plow bolt hole with a cutting torch |
| DE102015206237B4 (en) * | 2015-04-08 | 2017-04-13 | Felsomat Gmbh & Co Kg | Method for vacuum laser welding of an at least two-part workpiece |
| CN106238912A (en) * | 2016-08-15 | 2016-12-21 | 江苏大学 | A kind of laser-impact welder and method thereof |
| CN106238913B (en) * | 2016-08-18 | 2018-02-27 | 江苏大学 | The impact welder and method of silk and paper tinsel under a kind of Laser shock loading |
| CN108637470B (en) * | 2018-04-12 | 2020-09-25 | 江苏大学 | Laser transmission welding system and method thereof |
| CN109048029B (en) * | 2018-08-21 | 2020-07-31 | 江苏大学 | Automatic clamping and taking device and method for laser impact pressure welding |
| CN109604415B (en) * | 2018-12-14 | 2020-05-05 | 安徽工业大学 | Laser stamping forming method and device |
| CN113084662B (en) * | 2021-04-19 | 2022-01-18 | 重庆科技学院 | Electromagnetic pulse welding process and equipment for thick plate for aviation |
| CN113118608A (en) * | 2021-04-20 | 2021-07-16 | 北京航空航天大学 | Step-by-step electron beam fusion welding and laser shock peening composite manufacturing device and method |
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| JP2003220480A (en) * | 2002-01-25 | 2003-08-05 | Ishikawajima Harima Heavy Ind Co Ltd | Laser beam welding machine and laser beam welding method |
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| US8084710B2 (en) * | 2008-03-07 | 2011-12-27 | The Ohio State University | Low-temperature laser spot impact welding driven without contact |
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