CN102069305A - Laser twin-electric arc compound welding system - Google Patents
Laser twin-electric arc compound welding system Download PDFInfo
- Publication number
- CN102069305A CN102069305A CN 201110036348 CN201110036348A CN102069305A CN 102069305 A CN102069305 A CN 102069305A CN 201110036348 CN201110036348 CN 201110036348 CN 201110036348 A CN201110036348 A CN 201110036348A CN 102069305 A CN102069305 A CN 102069305A
- Authority
- CN
- China
- Prior art keywords
- welding
- welding gun
- laser
- angle
- laser beam
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 175
- 238000010891 electric arc Methods 0.000 title claims abstract description 21
- 150000001875 compounds Chemical class 0.000 title abstract description 6
- 238000000034 method Methods 0.000 abstract description 10
- 230000035515 penetration Effects 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000004927 fusion Effects 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser twin-electric arc compound welding system. The existing fixture for clamping a welding gun and adjusting the position of the welding gun is utilized to adjust the relative positions of two welding guns and a laser machine head, the welding process is adjusted through controlling the distance between two welding wires, a stable welding process is realized by optimal distance control, and because the combination of two electric arcs and a laser heat source greatly improve the welding efficiency, welding penetration and fusion width are enlarged, and the forming of weld joints is improved.
Description
Technical field
The present invention relates to a kind of welding system, more particularly, relate to the two electric arc combined welding systems of a kind of laser.
Background technology
Laser is compared with traditional welding heat source as a kind of special thermal source, has self original characteristic.Through focusing on, laser beam can reach high power density, and therefore the high-melting point metal that can melt even vaporize can be used for the precision welding of special material.Because laser beam energy is concentrated, the heat input of importing in the welding process is little, so thermal deformation and welding heat affected zone are just very little, thereby can suitably improve speed of welding, and production efficiency is greatly enhanced.The seventies in 20th century, the W.M.Steen of university of Britain kingdom adopted the arc welding auxiliary laser to weld first, had proposed the notion of laser-electric arc compound welding technology.Its main thought is that laser and these two kinds of diverse thermals source of character of electric arc are superimposed, and has formed a kind of brand-new thermal source, acts on the welding position simultaneously and welds.At present, the laser composite welding process be compound mostly about laser and single supply, research concentrates on the research that cooperates of laser and heterogeneity thermal source substantially, as laser-TIG, laser-plasma thermal source, laser-MIG etc.
Mariages (two arc) weldering is the basis of multifibres multi sphere welding procedure.Carried out extensive studies at home and abroad.As far back as 1948, in order to enhance productivity, someone's double wire hidden arc welding technology that begins one's study just, and this technology is very fast to be accepted by people, and multiple double wire hidden arc welding method appearred, parallel etc. as lap siding, line mariages tandem, line mariages, nearly ten years, mariages (multifibres) gas was protected welding technology and has been obtained development rapidly especially.
Since the laser composite welding itself have fusion penetration dark, is shaped, advantage such as while welding seam tissue capability excellence, double wire welding also has suitable advantage aspect efficient, high-speed welding, but, they also all have the limitation of self: what Double Wire Welding was the most frequently used is the form of tandem Double Wire Welding, though but this method has improved the deposition rate and the speed of welding of welding, and fail to play the effect that strengthens fusion penetration; During hybrid Laser-Arc Welding, there is unmatched situation in both speeds of welding, how to control the size of active force between two electric arcs simultaneously, and this all will have a strong impact on the quality of laser-arc composite heat power supply welding.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency of the prior art, provide a kind of laser two electric arc combined welding systems, can concentrate Double-wire pulsed welding to connect and laser-arc welding advantage separately, effectively make full use of the energy of system, improve welding deposition efficiency and speed of welding, can obtain good welding quality again.
Purpose of the present invention is achieved by following technical proposals:
The two electric arc combined welding systems of a kind of laser comprise first welding gun, second welding gun, lasing light emitter, first welding machine, second welding machine, wherein:
First welding machine is used for to first welding gun output signal of telecommunication;
Second welding machine is used for to second welding gun output signal of telecommunication;
Laser instrument is used to produce laser beam;
First welding gun, second welding gun and laser beam on the XOZ plane, the projected position relation on YOZ plane and YOX plane is as follows:
(1) in the XOZ plane, first welding gun (being welding gun 1) is 0 °～30 ° with the angle α scope of Z direction, and second welding gun (being welding gun 2) is 0 °～45 ° with the angle β scope of Z direction; Along X-direction, first welding gun on workpiece application point and the distance R 1 of laser beam center line be 2～6mm, second welding gun on workpiece application point and the distance R 2 of laser beam center line be 0～2mm
(2) in the YOZ plane, first welding gun (being welding gun 1) is 0 °～15 ° with the angle δ scope of Z direction, and second welding gun (being welding gun 2) is 0 °～20 ° with the angle γ scope of Z direction; Along Y direction, first welding gun on workpiece application point and the laser beam center line be 2～5mm apart from Q2, second welding gun on workpiece application point and the laser beam center line be 0～2mm apart from Q1
(3) in the YOX plane, first and second welding gun at application point on the workpiece and laser beam the application point on workpiece point-blank, the projection of first welding gun and the angle of directions X
Equate with the angle theta of directions X with the projection of second welding gun, be 0 °～30 °.
Above-mentioned location parameter is preferably as follows:
(1) in the XOZ plane, first welding gun (being welding gun 1) is 10 °～20 ° with the angle α scope of Z direction, and second welding gun (being welding gun 2) is 15 °～30 ° with the angle β scope of Z direction; Along X-direction, first welding gun on workpiece application point and the distance R 1 of laser beam center line be 2～5mm, second welding gun on workpiece application point and the distance R 2 of laser beam center line be 1～2mm
(2) in the YOZ plane, first welding gun (being welding gun 1) is 0 °～15 ° with the angle δ scope of Z direction, and second welding gun (being welding gun 2) is 10 °～20 ° with the angle γ scope of Z direction; Along Y direction, first welding gun on workpiece application point and the laser beam center line be 3～5mm apart from Q2, second welding gun on workpiece application point and the laser beam center line be 1～2mm apart from Q1
(3) in the YOX plane, first and second welding gun at application point on the workpiece and laser beam the application point on workpiece point-blank, the projection of first welding gun and the angle of directions X
Equate with the angle theta of directions X with the projection of second welding gun, be 10 °～30 °.
A technological core of composite welding of the present invention system is the complex form of two electric arcs and laser thermal source, i.e. relative position relation between two welding guns and the laser three, by distance and the angle between the control three, adjust welding process, distance and angle control by optimum realize stable welding process, owing to use the compound welding efficiency that improved greatly of 3 thermals source, strengthen welding penetration and molten wide, improved appearance of weld.
Another technological core of composite welding of the present invention system is that laser and two electric arcs carry out compound, laser is positioned at the centre of two electric arcs, arc stiffness enhancing, brightness strengthen in laser-two electric arc combined welderings, the ability of arc-melting welding wire strengthens, the situation that the arteries and veins that the interim form of molten drop occurs is many.This mainly be because the interaction of laser and electric arc make electric arc absorption portion laser energy after self-energy improve, the effect of two electric arcs strengthens than single electric arc more to the absorption of laser energy, avoid more energy to be not used because of the absorption of plasma, useful energy composite effect appears, improved the capacity usage ratio of laser, the energy of simultaneously two electric arcs is much higher than single electric arc, the integral energy of its thermal source is bigger, cause welding efficiency to significantly improve, its welding efficiency increases more than 30% than the electric arc combined welding of laser list, according to result of the test as can be known, the result of dull and stereotyped built-up welding, can make fusion penetration increase by 20%～80%, molten wide increase by 8%～15%, reinforcement increases by 10%～20%.
Description of drawings
Fig. 1 is the schematic diagram of the two electric arc combined welderings of laser.
Fig. 2 is the three-dimensional structure diagram of the two arc welding systems of laser.
Fig. 3 is the three-view diagram of the two arc welding systems of laser, promptly the two arc welding systems of laser along the Y direction shown in Fig. 2 the projection view on XOZ plane, along the X-direction shown in Fig. 2 at the projection view on YOZ plane, along the projection view of Z-direction shown in Fig. 2 on the YOX plane.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with specific embodiment.
The maximum rated power of selecting to use a Britain GSI company production provides LASER Light Source, two Lincoln INVERTEC as the 2KW model as the Nd:YAG laser instrument of JK2003SM
TMV300-I welding machine, two semi-automatic wire-feed motor of S-86A type, add the anchor clamps of holding and adjust welding gun angle and position, a straight line workbench that is used to put workpiece, comprise welding auxiliary equipment such as gas cylinder, air valve, remote-control box in addition.
Lincoln INVERTEC
TMThe V300-I welding machine can adopt single-phase or the three phase mains input, and constant voltage and constant current output can be provided, and can be used for gas metal-arc welding, manual electric arc welding, non-consumable gas shielded arc welding, welding processes such as flux-cored wire.Its electric current output area is between 50A～300A, and voltage is exported between 13V～42V.Be used for 14 core sockets of Long-distance Control and wire feeder, can satisfy testing the requirement of flexible control.
In this welding system, according to the two arc welding systems of the laser shown in the accompanying drawing 1-3 assemble and adjust two welding guns and laser beam on the XOZ plane, the projected position relation on YOZ plane and YOX plane so that it satisfies following location parameter:
(1) in the XOZ plane, first welding gun (being welding gun 1) is 0 °～30 ° with the angle α scope of Z direction, and second welding gun (being welding gun 2) is 0 °～45 ° with the angle β scope of Z direction; Along X-direction, first welding gun on workpiece application point and the distance R 1 of laser beam center line be 2～6mm, second welding gun on workpiece application point and the distance R 2 of laser beam center line be 0～2mm
(2) in the YOZ plane, first welding gun (being welding gun 1) is 0 °～15 ° with the angle δ scope of Z direction, and second welding gun (being welding gun 2) is 0 °～20 ° with the angle γ scope of Z direction; Along Y direction, first welding gun on workpiece application point and the laser beam center line be 2～5mm apart from Q2, second welding gun on workpiece application point and the laser beam center line be 0～2mm apart from Q1
(3) in the YOX plane, first and second welding gun at application point on the workpiece and laser beam the application point on workpiece point-blank, the projection of first welding gun and the angle of directions X
Equate with the angle theta of directions X with the projection of second welding gun, be 0 °～30 °
When utilizing composite welding of the present invention system, at first insert the power supply that frequency is power frequency 50Hz, regulate the electric welding machine parameter then, the alternating voltage virtual value is 35～90V, the wire feed rate of regulating two wire-feed motor is 1～15m/min, adjusts the focus of laser, makes defocusing amount be-3mm～3mm, adjust the position of LASER Light Source and two welding guns then, reach above-mentioned precalculated position separately.Adopt following basic parameter, the workpiece of mild steel Q235 is carried out composite welding; Only laser power is adjusted into zero then, promptly welds with two electrical arc under the situation of laser action not having.
| Title | Test parameters |
| Workpiece | Mild steel Q235 |
| Workpiece thickness of slab (mm) | 8 |
| Welding wire | H08Mn2SiA |
| Gage of wire (mm) | 1.2 |
| Protective gas | 100％Ar |
| Gas flow (every welding gun) | 12L/min |
| The mode of connection | Dc reverse connection |
| Welding manner | Dull and stereotyped built-up welding |
| Defocusing amount (mm) | 0 |
| Dry extension of electrode (mm) | 15 |
| Speed of welding (mm/s) | 7 |
| Laser power (W) | 2000 |
| The wire feed rate of first welding gun (m/min) | 4.4 |
| The voltage of first welding gun (V) | 35 |
| The wire feed rate of second welding gun (m/min) | 4.7 |
| The voltage of second welding gun (V) | 40.8 |
Experimental result shows, adjusts laser and is in different positions with two welding guns:
(1)α＝30°、β＝35°、γ＝10°、δ＝15°、
R1＝4mm、R2＝2mm、Q1＝1mm、Q2＝4mm
(2)α＝20°、β＝10°、γ＝20°、δ＝10°、
R1＝6mm、R2＝2mm、Q1＝2mm、Q2＝2mm
(3)α＝10°、β＝45°、γ＝0°、δ＝0°、
R1＝2mm、R2＝0mm、Q1＝0mm、Q2＝2mm
(4)α＝0°、β＝0°、γ＝10°、δ＝5°、
R1＝3mm、R2＝2mm、Q1＝2mm、Q2＝5mm
(5)α＝15°、β＝25°、γ＝10°、δ＝10°、
R1＝6mm、R2＝2mm、Q1＝2mm、Q2＝5mm
Do not having under the situation of laser action, weld penetration H (mean value) is that 0.8088mm, molten wide B (mean value) are 2.8922mm for 11.2010mm, reinforcement h (mean value); Having under the situation of laser action, weld penetration H (mean value) is that 1.3663mm, molten wide B (mean value) are 3.3824mm for 12.5980mm, reinforcement h (mean value).The appearance of weld better off of laser-two electric arc combined welderings can make fusion penetration increase by 40%～80% for bead-on-plate weld, molten wide increase by 20%～45%, and reinforcement increases by 5%～10%.
More than the present invention has been done exemplary description; should be noted that; under the situation that does not break away from core of the present invention, the replacement that is equal to that any simple distortion, modification or other those skilled in the art can not spend creative work all falls into protection scope of the present invention.
Claims (4)
1. the two electric arc combined welding systems of laser comprise first welding gun, second welding gun, lasing light emitter, first welding machine, second welding machine, wherein:
First welding machine is used for to first welding gun output signal of telecommunication; Second welding machine is used for to second welding gun output signal of telecommunication; Laser instrument is used to produce laser beam; It is characterized in that, first welding gun, second welding gun and laser beam on the XOZ plane, the projected position relation on YOZ plane and YOX plane is as follows:
(1) in the XOZ plane, the angle α scope of first welding gun and Z direction is 0 °～30 °, and the angle β scope of second welding gun and Z direction is 0 °～45 °; Along X-direction, first welding gun on workpiece application point and the distance R 1 of laser beam center line be 2～6mm, second welding gun on workpiece application point and the distance R 2 of laser beam center line be 0～2mm
(2) in the YOZ plane, the angle δ scope of first welding gun and Z direction is 0 °～15 °, and the angle γ scope of second welding gun and Z direction is 0 °～20 °; Along Y direction, first welding gun on workpiece application point and the laser beam center line be 2～5mm apart from Q2, second welding gun on workpiece application point and the laser beam center line be 0～2mm apart from Q1
(3) in the YOX plane, first and second welding gun at application point on the workpiece and laser beam the application point on workpiece point-blank, the projection of first welding gun and the angle of directions X
Equate with the angle theta of directions X with the projection of second welding gun, be 0 °～30 °.
2. the two electric arc combined welding systems of a kind of laser according to claim 1 is characterized in that in the XOZ plane, the angle α scope of first welding gun and Z direction is 10 °～20 °, and the angle β scope of second welding gun and Z direction is 15 °～30 °; Along X-direction, first welding gun on workpiece application point and the distance R 1 of laser beam center line be 2～5mm, second welding gun on workpiece application point and the distance R 2 of laser beam center line be 1～2mm.
3. the two electric arc combined welding systems of a kind of laser according to claim 1 is characterized in that in the YOZ plane, the angle δ scope of first welding gun and Z direction is 0 °～15 °, and the angle γ scope of second welding gun and Z direction is 10 °～20 °; Along Y direction, first welding gun on workpiece application point and the laser beam center line be 3～5mm apart from Q2, second welding gun on workpiece application point and the laser beam center line be 1～2mm apart from Q1.
4. the two electric arc combined welding systems of a kind of laser according to claim 1, it is characterized in that, in the YOX plane, first and second welding gun at application point on the workpiece and laser beam the application point on workpiece point-blank, the projection of first welding gun and the angle of directions X
Equate with the angle theta of directions X with the projection of second welding gun, be 10 °～30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110036348 CN102069305B (en) | 2011-02-11 | 2011-02-11 | Laser twin-electric arc compound welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110036348 CN102069305B (en) | 2011-02-11 | 2011-02-11 | Laser twin-electric arc compound welding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069305A true CN102069305A (en) | 2011-05-25 |
| CN102069305B CN102069305B (en) | 2012-06-27 |
Family
ID=44028176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110036348 Expired - Fee Related CN102069305B (en) | 2011-02-11 | 2011-02-11 | Laser twin-electric arc compound welding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102069305B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699546A (en) * | 2012-06-05 | 2012-10-03 | 天津大学 | Laser double-consumable-electrode single-arc bypass-coupling hybrid welding system and method |
| CN102848085A (en) * | 2012-08-15 | 2013-01-02 | 天津大学 | Laser-single power double-wire pulse arc hybrid welding system and use method for same |
| CN104096973A (en) * | 2014-07-10 | 2014-10-15 | 辽宁工业大学 | Laser non-consumable electrode double-arc hybrid welding process for hollow shock absorber piston rod |
| CN105397499A (en) * | 2015-12-25 | 2016-03-16 | 中冶南方工程技术有限公司 | Laser composite welding machine |
| CN114406622A (en) * | 2022-02-24 | 2022-04-29 | 湖南湘投金天新材料有限公司 | Production method of high-strength alloy welded pipe |
| CN115971662A (en) * | 2022-12-06 | 2023-04-18 | 哈尔滨焊接研究院有限公司 | Narrow gap laser-double arc double wire composite welding method |
| CN116275524A (en) * | 2022-12-06 | 2023-06-23 | 哈尔滨焊接研究院有限公司 | Double-wire narrow-gap laser-TIG (tungsten inert gas) composite welding method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996015871A1 (en) * | 1994-11-24 | 1996-05-30 | Coventry University | Enhanced laser beam welding |
| US6469277B1 (en) * | 1999-09-16 | 2002-10-22 | Linde Gas Aktiengesellschaft | Method and apparatus for hybrid welding under shielding gas |
| CN101176954A (en) * | 2007-12-07 | 2008-05-14 | 北京工业大学 | Laser electrical arc complex welding method for intensifying current magnetohydrodynamics effect |
| CN101214584A (en) * | 2008-01-21 | 2008-07-09 | 哈尔滨工业大学 | Middle and smallpower laser GMA electrical arc compound welding method appending with mechanical force |
| CN101362255A (en) * | 2008-09-11 | 2009-02-11 | 上海交通大学 | Low-alloy high-strength steel laser composite weld hardness control method |
| CN101474726A (en) * | 2009-01-16 | 2009-07-08 | 北京工业大学 | Narrow gap laser-arc hybrid welding method using filler wire |
-
2011
- 2011-02-11 CN CN 201110036348 patent/CN102069305B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996015871A1 (en) * | 1994-11-24 | 1996-05-30 | Coventry University | Enhanced laser beam welding |
| US6469277B1 (en) * | 1999-09-16 | 2002-10-22 | Linde Gas Aktiengesellschaft | Method and apparatus for hybrid welding under shielding gas |
| CN101176954A (en) * | 2007-12-07 | 2008-05-14 | 北京工业大学 | Laser electrical arc complex welding method for intensifying current magnetohydrodynamics effect |
| CN101214584A (en) * | 2008-01-21 | 2008-07-09 | 哈尔滨工业大学 | Middle and smallpower laser GMA electrical arc compound welding method appending with mechanical force |
| CN101362255A (en) * | 2008-09-11 | 2009-02-11 | 上海交通大学 | Low-alloy high-strength steel laser composite weld hardness control method |
| CN101474726A (en) * | 2009-01-16 | 2009-07-08 | 北京工业大学 | Narrow gap laser-arc hybrid welding method using filler wire |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699546A (en) * | 2012-06-05 | 2012-10-03 | 天津大学 | Laser double-consumable-electrode single-arc bypass-coupling hybrid welding system and method |
| CN102848085A (en) * | 2012-08-15 | 2013-01-02 | 天津大学 | Laser-single power double-wire pulse arc hybrid welding system and use method for same |
| CN104096973A (en) * | 2014-07-10 | 2014-10-15 | 辽宁工业大学 | Laser non-consumable electrode double-arc hybrid welding process for hollow shock absorber piston rod |
| CN104096973B (en) * | 2014-07-10 | 2015-11-04 | 辽宁工业大学 | Hollow piston lever of reducer laser non-melt pole twin arc composite welding process |
| CN105397499A (en) * | 2015-12-25 | 2016-03-16 | 中冶南方工程技术有限公司 | Laser composite welding machine |
| CN105397499B (en) * | 2015-12-25 | 2017-12-22 | 中冶南方工程技术有限公司 | A kind of laserHybrid welding machine |
| CN114406622A (en) * | 2022-02-24 | 2022-04-29 | 湖南湘投金天新材料有限公司 | Production method of high-strength alloy welded pipe |
| CN115971662A (en) * | 2022-12-06 | 2023-04-18 | 哈尔滨焊接研究院有限公司 | Narrow gap laser-double arc double wire composite welding method |
| CN116275524A (en) * | 2022-12-06 | 2023-06-23 | 哈尔滨焊接研究院有限公司 | Double-wire narrow-gap laser-TIG (tungsten inert gas) composite welding method |
| CN115971662B (en) * | 2022-12-06 | 2023-11-14 | 哈尔滨焊接研究院有限公司 | Narrow-gap laser-double-arc double-wire composite welding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102069305B (en) | 2012-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102069305B (en) | Laser twin-electric arc compound welding system | |
| CN103071935B (en) | Laser-arc composite welding device based on heat input control and welding method | |
| CN102848085A (en) | Laser-single power double-wire pulse arc hybrid welding system and use method for same | |
| CN103862177B (en) | Laser-GMA arc composite heat source welding with filler wire method | |
| AU2020103796A4 (en) | A Laser-GMA Arc Composite Heat Source Wire-filled Welding Method | |
| CN103128423B (en) | Laser tungsten inert gas (TIG) arc coaxial hybrid welding method with additional high frequency magnetic field and device | |
| CN102069306A (en) | Laser-double-wire pulsed arc composite welding system | |
| CN101474726B (en) | Narrow gap laser-arc hybrid welding method using filler wire | |
| CN104842048B (en) | A kind of argon tungsten-arc welding welds hybrid laser-arc welding equipment with cold metal transfer | |
| CN107999962B (en) | A kind of method for laser welding of double CMT/ mariages CMT auxiliary | |
| CN109079287B (en) | Three-wire gas-shielded indirect arc welding method and device and application thereof | |
| CN101134260A (en) | Three-filum open arc welding method | |
| CN107790886B (en) | Pulsed negative pressure formula laser enhancing KTIG and MIG composite welding apparatus and method | |
| CN103433630B (en) | A kind of pulsed wire feeding laser-electric arc spot soldering method | |
| CN104985303B (en) | A kind of InFocus TOPTIG twin arc complex welding methods | |
| CN102581449A (en) | Twin-wire vertical electrogas welding system with low welding heat input and welding method | |
| WO2014140763A2 (en) | System and method of welding stainless steel to copper | |
| CN108453388A (en) | A kind of T junction component double excitation induction electric arc penetration welding method and welder | |
| CN103071937B (en) | Laser-TIG (Tungsten Inert Gas) arc rangefinder hybrid welding method and device with addition of high frequency magnetic field | |
| CN104858554A (en) | Welding torch for plasma arc and double MIG compounding | |
| CN103831533A (en) | Titanium alloy laser-MIG composite welding method | |
| CN103817449A (en) | Plasma arc and melt electrode electric arc composite welding method and device | |
| CN104625361B (en) | Twin arc and the three wire bond rifles and welding system and method for cold silk pulse composite welding | |
| CN203765179U (en) | Hybrid welding device with plasma arc mode and consumable electrode electric arc mode | |
| CN101318266A (en) | Hollow electrode laser plasma coaxial composite processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |