CN103192187A - Laser high-frequency alternating-current pulse tungsten inert gas (TIG) hybrid welding process - Google Patents
Laser high-frequency alternating-current pulse tungsten inert gas (TIG) hybrid welding process Download PDFInfo
- Publication number
- CN103192187A CN103192187A CN2013101501012A CN201310150101A CN103192187A CN 103192187 A CN103192187 A CN 103192187A CN 2013101501012 A CN2013101501012 A CN 2013101501012A CN 201310150101 A CN201310150101 A CN 201310150101A CN 103192187 A CN103192187 A CN 103192187A
- Authority
- CN
- China
- Prior art keywords
- tig
- frequency
- welding
- laser
- semiconductor laser
- 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.)
- Pending
Links
Images
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention discloses a laser high-frequency alternating-current pulse tungsten inert gas (TIG) hybrid welding process. The process comprises the following steps of: constructing a laser high-frequency alternating-current pulse TIG hybrid welding system, and gathering an TIG arc and a semiconductor laser beam on the same welding position of a welded workpiece 8 in the same welding direction, to form a molten bath, wherein an inclined angle alpha of 10-40 degrees is formed between the TIG arc tungsten electrode tip end and a vertical direction, the semiconductor laser beam forms an included angle beta of 10-30 degrees with the vertical direction, the TIG arc tungsten electrode tip end keeps a vertical distance H of 2-4mm with the surface of the welded workpiece 8, and the TIG arc tungsten electrode tip end and the semiconductor laser beam keep a horizontal distance D of 2-5mm with an action point of the surface of the welded workpiece 8. The process disclosed by the invention can refine weld microstructure, remarkably reduce or eliminate pores in melting area and effectively improve mechanical performance and anti-stress corrosion performance of a high-strength aluminous alloy welding joint, and the process is quite practical.
Description
Technical field
The present invention relates to a kind of laser high frequency composite welding process, relate in particular to a kind of laser high-frequency ac pulse TIG composite welding process.
Background technology
2A14 and 2219 aluminium alloys are China's space product primary structure materials, and one of core technology that its welding procedure and method are made as space flight along with improving constantly and development of material technology of properties of product and requirement, needs constantly breakthrough and perfect.
At present, 2A14 and 2219 aluminium alloy large-sized structures still adopt traditional TIG welding procedure mostly, and the part-structure weld seam adopts extraordinary welding procedures such as more advanced friction stir welding, Variable Polarity plasma welding, electron-bombardment welding.Yet because the restriction of product structure and welding position, still have a large amount of weld seams need adopt traditional welding process (as the Variable Polarity TIG weldering of generally using at present), the joint anti-stress corrosion performance is relatively poor, welding efficiency is low (often needs the multilayer welding, part weld seam back needs manual amendment or back cover welding) etc. bigger limitation, the product long-term behaviour is relatively poor, is difficult to satisfy the research and development demand of type product long-life, high reliability.
Laser weld has the speed of welding height, welding seam deep width ratio is big, the heat affected area is little, the distortion is little, be easy to characteristics such as automation, in industry, has especially obtained using widely at automotive field.Yet adopting laser weld space flight high strength alumin ium alloy (as 2A14,2219 etc.) to have big limitation: reflectivity height, the joint performance as material for laser light is poor, welding quality instability etc.Therefore, in " optimization of space flight high strength alumin ium alloy laser+TIG compound welding technology and joint mechanical property " innovation funds project research process, in conjunction with the high frequency pulse TIG welding craft achievement, proposed to adopt the thinking of low-power laser auxiliary high frequency TIG composite welding, and successfully developed 2A14 and 2219 aluminium alloy low-power laser high-frequency ac pulse TIG composite welding process, effectively laser and high-frequency effects are combined.Through comprehensive contrast, appearance of weld is attractive in appearance, and joint mechanical property is better than simple laser TIG composite welding, has compared significantly with Variable Polarity TIG weldering and has improved, have technology inheritance and product applicability preferably, for the selection of type product welding procedure and method provides a kind of new thinking.
No. 2003101116581 patents of the Central China University of Science and Technology (patent right stops in February, 2008) disclose a kind of device and welding method thereof that combines and weld with laser and two kinds of thermals source of high-frequency induction, in laser beam welding, be aided with the high-frequency induction thermal source, carry out local eddy-current heating by load coil, improved weld seam peripheral region temperature, under the prerequisite that does not influence the mother metal structure property, reduced the thermograde of weld seam and peripheral region, make the solid-state cooling procedure of solidifying with subsequently become slow, improve the microstructure after welding, improve the weld seam combination property, reduce or eliminate the generation of pore and crackle, especially can improve high-carbon steel, the weldability of difficult wlding material such as high-alloy steel.
To compare the main distinction as follows with it in the present invention:
(1) the present invention is based on high frequency TIG welding heat source, and laser is auxilliary, and required laser power is not high, is easy to realization and more stable, the space flight aluminum alloy junction member welding that is particularly useful for having relatively high expectations; And No. 2003101116581 patents are welding heat source with laser, and the high-frequency induction thermal source as auxiliary heating, is not high-frequency welding effect of the present invention only.
(2) the high frequency TIG source of welding current that the present invention relates to is undertaken synchronously by current sensor, be integrated among the source of welding current, high-frequency pulse current is provided, frequency is high and each relevant parameter is adjustable continuously, do not need devices such as load coil to carry out eddy-current heating, also do not need the temperature control feedback regulation, structure is simpler, is easier to realize the welding of all kinds of space weld.
(3) the present invention is a kind of hybrid Laser-Arc Welding, and the auxiliary electric arc paraxonic complex method that adopts of laser is easy to realize solder wire convey, is particularly useful for adding the sealing weld silk to improve the welding line structure of welding seam tissue capability; No. 2003101116581 patent is the welding of laser thermal source, and its device also comprises load coil etc., and it is very big to add sealing weld silk difficulty.
Summary of the invention
Problem at above-mentioned prior art existence, the invention provides a kind of laser high-frequency ac pulse TIG composite welding process, can the refinement seam organization, can significantly reduce or eliminate the pore of fusion area, effectively improve mechanical property and the anti-stress corrosion performance of high strength alumin ium alloy welding point, very practical.
Technical scheme of the present invention is: a kind of laser high-frequency ac pulse TIG composite welding process, concrete steps comprise: at first make up laser high-frequency ac pulse TIG composite welding system, described laser high-frequency ac pulse TIG composite welding system comprises semiconductor laser, high-frequency impulse coupler, Variable Polarity TIG power supply, protective gas, wire feeder, TIG welding gun and laser welding head, described high-frequency impulse coupler is in parallel with Variable Polarity TIG power supply, and is synchronous by current sensor;
TIG electric arc and semiconductor laser beam are accumulated in same welding position on the welded piece along welding direction, molten bath of common formation, during welding, TIG electric arc forwardly, semiconductor laser beam in the wings, the most advanced and sophisticated tilt angle alpha with vertical direction of TIG electric arc tungsten electrode is 10o～40o, the inclination angle beta of semiconductor laser beam and vertical direction is 10o～30o, vertical range H between TIG electric arc tungsten electrode tip and the welded piece surface is 2～4mm, and TIG electric arc tungsten electrode tip and semiconductor laser beam are 2～5mm to the horizontal range D between the application point on welded piece surface.
As preferably, the power of described semiconductor laser is 500～800W.
As preferably, the high-frequency impulse frequency of described high-frequency impulse coupler is 20 kHz, high-frequency pulse current amplitude 50A～150A, dutycycle 0.4-0.6.
The invention has the beneficial effects as follows: technology of the present invention makes up laser high-frequency ac pulse TIG composite welding pilot system, solidified TIG electric arc tungsten electrode most advanced and sophisticated with the tilt angle alpha of vertical direction, the inclination angle beta of semiconductor laser beam and vertical direction, vertical range H between TIG electric arc tungsten electrode tip and the surface of the work, TIG electric arc tungsten electrode tip and semiconductor laser beam have reached good complex effect to the process conditions such as horizontal range D between the application point of surface of the work.
Concentrated the high frequency pulse TIG welding advantage that fusion penetration is big when improving energy density, the distinct advantages of controlling aspects such as hot input, appearance of weld, welding quality and laser weld power density height, equal hot input quantity, the heat affected area is narrow, welding deformation is little, speed of welding is fast, and produced marvellous complex effect, the reduction of hot input and the useful effect of dither effect have been facilitated, improved the stability of electric arc, the pore of fusion area can be significantly reduced or eliminated, mechanical property and the anti-stress corrosion performance of high strength alumin ium alloy welding point can be effectively improved.
The present invention is based on high frequency TIG welding heat source, and laser is auxilliary, and required laser power is not high, is easy to realization and more stable, the space flight aluminum alloy junction member welding that is particularly useful for having relatively high expectations.
The high frequency TIG source of welding current that the present invention relates to is undertaken being integrated among the source of welding current synchronously by current sensor, and high-frequency pulse current is provided, frequency is high and each relevant parameter is adjustable continuously, be easy to realize smart quantified controlling, and simple in structure, can realize the welding of all kinds of space weld.
The present invention is a kind of hybrid Laser-Arc Welding, and the auxiliary electric arc paraxonic complex method that adopts of laser is easy to realize solder wire convey, is particularly useful for adding the sealing weld silk to improve the welding line structure of welding seam tissue capability.
Adopt the technological parameter of setting, space flight high-strength aluminum alloy 2A14,2219 soldering tests have been carried out, choose welding point and carry out tests such as x-ray fluoroscopy, tension test, microstructure observation, and compare with general T IG soldering method, verified the composite welding effect of laser high-frequency ac pulse TIG composite welding process uniqueness, the result shows:
(1) the compound welding line surface-brightening of laser high-frequency ac pulse TIG, fair and clear, penetration is even, and has " scalelike mark " evenly attractive in appearance to occur, illustrate that welding process is very stable, and can realize that nearly zero defect welds.
(2) the compound weldering of laser high-frequency ac pulse TIG can effectively improve strength of welded joint and plasticity, and joint tensile strength, percentage elongation all obviously promote.
(3) the compound weldering of laser high-frequency ac pulse TIG can obviously prolong the joint breaking time (slow strain rate test), effectively improves the anti-stress corrosion performance of aluminium alloy welding joint.
Description of drawings
Fig. 1 is laser high-frequency ac pulse TIG composite welding system schematic of the present invention;
Fig. 2 is laser high-frequency ac pulse TIG composite welding of the present invention system output waveform schematic diagram;
Fig. 3 is general T IG arc power figure;
Fig. 4 is the arc power figure of laser high-frequency ac pulse TIG composite welding of the present invention;
Fig. 5 is the face of weld pattern of general T IG weldering;
Fig. 6 is the face of weld pattern of laser high-frequency ac pulse TIG composite welding of the present invention;
Fig. 7 is the weld metal zone tissue (amplifying 500 times) that the 2A14 aluminium alloy adopts general T IG weldering;
Fig. 8 is the weld metal zone tissue (amplifying 500 times) that 2A14 adopts the compound weldering of laser high-frequency ac pulse TIG of the present invention;
Fig. 9 is the weld metal zone tissue (amplifying 500 times) that 2219 aluminium alloys adopt general T IG weldering;
Figure 10 is the weld metal zone tissue (amplifying 500 times) that 2219 aluminium alloys adopt the compound weldering of laser high-frequency ac pulse TIG of the present invention.
Among the figure: 1, semiconductor laser; 2, high-frequency impulse coupler; 3, Variable Polarity TIG power supply; 4, protective gas; 5, wire feeder; 6, TIG welding gun; 7, laser welding head; 8, welded piece.
The specific embodiment
As one embodiment of the present invention; as shown in Figure 1; a kind of laser high-frequency ac pulse TIG composite welding process; concrete steps comprise: at first make up laser high-frequency ac pulse TIG composite welding system; described laser high-frequency ac pulse TIG composite welding system comprises semiconductor laser 1, high-frequency impulse coupler 2, Variable Polarity TIG power supply 3, protective gas 4, wire feeder 5, TIG welding gun 6 and laser welding head 7; described high-frequency impulse coupler 2 is in parallel with Variable Polarity TIG power supply 3; synchronous by current sensor, can be in EN moment High Frequency Of Recombination pulse energy.Waveform schematic diagram as shown in Figure 2, important technological parameters source of welding current frequency F1 frequency range: 20-100Hz(is in Variable Polarity TIG power supply adjusted); High-frequency impulse frequency F2 frequency range: 10-30kHz(is in high-frequency impulse coupler adjusted); Variable Polarity TIG source current A1 scope: 30-500A; High-frequency impulse coupler electric current A2 scope: the 20-200A(high-frequency pulse current); Duty cycle adjustment scope: 0.2-0.8.
TIG electric arc and semiconductor laser beam are accumulated in same welding position on the welded piece 8 along welding direction, molten bath of common formation, during welding, TIG electric arc forwardly, semiconductor laser beam in the wings, the most advanced and sophisticated tilt angle alpha with vertical direction of TIG electric arc tungsten electrode is 10o～40o, when the most advanced and sophisticated inclination alpha of tungsten electrode is 0 °, arc pressure vertically acts on the molten bath, arc pressure and the energy of bottom, molten bath are more concentrated, though be conducive to increase fusion penetration, it is unfavorable that butt welded seam is shaped, and the oxide-film in the welding process assembles under tungsten electrode easily, easily causes the current interruption phenomenon; When the welding inclination angle was excessive, arc pressure butt welded seam pool side was too strong to percussion, and it is also unfavorable that butt welded seam is shaped, and be unfavorable for increasing fusion penetration.
The inclination angle beta of semiconductor laser beam and vertical direction is 10o～30o, because aluminium alloy has very strong reflex to laser, so semiconductor laser and vertical direction should have certain angle of inclination, if β is too little for incident angle, then the aluminum alloy surface laser light reflected is easy to damage laser instrument, if the incident angle β of laser is excessive, then can reduce welding penetration.
Vertical range H between TIG electric arc tungsten electrode tip and welded piece 8 surfaces is 2～4mm, when the vertical range H between TIG electric arc tungsten electrode tip and the surface of the work is too small, welding gun is too near workpiece, arc length is too short, cause contacting of electrode and molten bath easily, tungsten electrode is by scaling loss and produce the tungsten inclusion defective; When the vertical range between TIG welding gun tungsten electrode tip and the surface of the work was excessive, the arc burning shakiness was not easy to laser and is coupled.The tungsten electrode tip of TIG electric arc and the vertical range H between the surface of the work are the most suitable when remaining on 2～4mm.
TIG electric arc tungsten electrode tip and semiconductor laser beam are 2～5mm to the horizontal range D between the application point on welded piece 8 surfaces.TIG electric arc tungsten electrode most advanced and sophisticated with semiconductor laser beam to the horizontal range D between the application point of surface of the work, satisfy the compound action of two thermals source, when distance is too small, can cause burning of laser beam Butt welding gun skin ceramic jacket mouth between the two; When the horizontal range D between TIG welding gun tungsten electrode tip and the laser beam application point is excessive, then can't form compound owing to the hypertelorism of laser and electric arc.The optimum valuing range of D is 2～5mm.Weld in this distance, two thermals source can be coupled effectively, and welding process is more stable and appearance of weld is better.
Set the parameter of semiconductor laser 1, high-frequency impulse coupler 2, Variable Polarity TIG power supply 3 before the welding.
During welding aluminum alloy, the power setting of semiconductor laser 1 is 500-800W.The major parameter of high-frequency impulse coupler 2 comprises high-frequency impulse frequency, high-frequency pulse current, dutycycle.The high-frequency impulse frequency is traditionally arranged to be 20 kHz during welding aluminum alloy, high-frequency pulse current amplitude 50A～150A, dutycycle 0.4-0.6.The parameter of Variable Polarity TIG power supply 3 can be according to workpiece material and state, thickness, the welding number of plies and speed of welding setting, waveform is AC wave shape during welding aluminum alloy, play/receive arc current, play/receive the rule of arc time can use separately according to Variable Polarity TIG power supply 3 time and determine the 70%-80% when the welding current size is set to use separately.Other process conditions and general T IG weldering basically identical.
Adopt the technological parameter of setting, space flight high-strength aluminum alloy 2A14,2219 soldering tests have been carried out, choose welding point and carry out tests such as x-ray fluoroscopy, tension test, microstructure observation, and compare with general T IG soldering method, verified the composite welding effect of laser high-frequency ac pulse TIG composite welding process uniqueness.Adopt above-mentioned process conditions and parameter welding 2A14,2219 high-strength aluminum alloys.Fig. 5 is the face of weld pattern of general T IG weldering, and Fig. 6 is the face of weld pattern of laser high-frequency ac pulse TIG composite welding of the present invention, and visible pattern shown in Figure 6 is more evenly attractive in appearance.Fig. 7 is the weld metal zone tissue that the 2A14 aluminium alloy adopts general T IG weldering, average grain size is about 30 μ m, Fig. 8 is the weld metal zone tissue that 2A14 adopts the compound weldering of laser high-frequency ac pulse TIG of the present invention, average grain size is about 20 μ m, the weld grain size of the compound weldering of visible laser high-frequency ac pulse TIG is significantly less than general T IG welding line crystallite dimension, the obvious refinement of crystal grain.Fig. 9 is the weld metal zone tissue that 2219 aluminium alloys adopt general T IG weldering, Figure 10 is the weld metal zone tissue that 2219 aluminium alloys adopt the compound weldering of laser high-frequency ac pulse TIG of the present invention, the weld grain size of the compound weldering of visible laser high-frequency ac pulse TIG is significantly less than general T IG welding line crystallite dimension, the obvious refinement of crystal grain.The joint mechanical performance evidence is compared with general T IG weldering, and the compound weldering of laser high-frequency ac pulse TIG can be improved the mechanical property of 2A14,2219 aluminium alloys welding joint, and strength of joint and plasticity all are enhanced.The tensile strength of 2A14 welding point has improved 15.1%, and the tensile strength that percentage elongation has improved 37.5%, 2219 welding point has improved 11.3%, and percentage elongation has improved 50%.
More than a kind of laser high-frequency ac pulse TIG composite welding process provided by the present invention has been carried out detailed introduction, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand technological process of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.To change of the present invention with to improve will be possible, and can not exceed design and the scope that accessory claim can be stipulated.
Claims (3)
1. laser high-frequency ac pulse TIG composite welding process, concrete steps comprise: at first make up laser high-frequency ac pulse TIG composite welding system, described laser high-frequency ac pulse TIG composite welding system comprises semiconductor laser, high-frequency impulse coupler, Variable Polarity TIG power supply, protective gas, wire feeder, TIG welding gun and laser welding head, described high-frequency impulse coupler is in parallel with Variable Polarity TIG power supply, and is synchronous by current sensor;
TIG electric arc and semiconductor laser beam are accumulated in same welding position on the welded piece along welding direction, molten bath of common formation, during welding, TIG electric arc forwardly, semiconductor laser beam in the wings, the most advanced and sophisticated tilt angle alpha with vertical direction of TIG electric arc tungsten electrode is 10o～40o, the inclination angle beta of semiconductor laser beam and vertical direction is 10o～30o, vertical range H between TIG electric arc tungsten electrode tip and the welded piece surface is 2～4mm, and TIG electric arc tungsten electrode tip and semiconductor laser beam are 2～5mm to the horizontal range D between the application point on welded piece surface.
2. laser high-frequency ac pulse TIG composite welding process according to claim 1, it is characterized in that: the power of described semiconductor laser is 500～800W.
3. laser high-frequency ac pulse TIG composite welding process according to claim 1, it is characterized in that: the high-frequency impulse frequency of described high-frequency impulse coupler is 20 kHz, high-frequency pulse current amplitude 50A～150A, dutycycle 0.4-0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101501012A CN103192187A (en) | 2013-04-27 | 2013-04-27 | Laser high-frequency alternating-current pulse tungsten inert gas (TIG) hybrid welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101501012A CN103192187A (en) | 2013-04-27 | 2013-04-27 | Laser high-frequency alternating-current pulse tungsten inert gas (TIG) hybrid welding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103192187A true CN103192187A (en) | 2013-07-10 |
Family
ID=48715101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101501012A Pending CN103192187A (en) | 2013-04-27 | 2013-04-27 | Laser high-frequency alternating-current pulse tungsten inert gas (TIG) hybrid welding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103192187A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418919A (en) * | 2013-08-29 | 2013-12-04 | 首都航天机械公司 | Laser-arc hybrid welding method for special aluminum alloy thin edge structure |
| CN103495809A (en) * | 2013-09-25 | 2014-01-08 | 哈尔滨恒普激光应用技术有限公司 | Laser-MIG composite heat source welding method for thick plate aluminum alloy |
| CN104625411A (en) * | 2014-12-15 | 2015-05-20 | 哈尔滨工业大学 | Welding method for Ti2AlNb-based intermetallic compound and dissimilar titanium alloy |
| CN104889569A (en) * | 2015-06-03 | 2015-09-09 | 广东省工业技术研究院(广州有色金属研究院) | Pulse laser-arc composite welding method |
| CN106735968A (en) * | 2016-12-02 | 2017-05-31 | 机械科学研究总院青岛分院 | A kind of laser electrical arc complex welding method |
| CN107498182A (en) * | 2017-09-01 | 2017-12-22 | 上海交通大学 | A kind of compound molten bath concussion welding methods of laser scanning TIG |
| CN108393587A (en) * | 2018-01-23 | 2018-08-14 | 大连理工大学 | A kind of aluminium alloy laser-TIG hybrid increasing material manufacturing method |
| CN109604831A (en) * | 2018-12-25 | 2019-04-12 | 上海交通大学 | For improving the laser TIG Combined Welding welding procedure of titanium or titanium alloy sheet laser weldering undercut |
| CN109759710A (en) * | 2019-02-26 | 2019-05-17 | 重庆理工大学 | A kind of electric arc fuse increasing material manufacturing method based on laser higher-order of oscillation molten bath |
| CN110421262A (en) * | 2019-07-01 | 2019-11-08 | 上海交通大学 | A kind of method of pulse laser control aluminum alloy surface roughness |
| CN110587138A (en) * | 2019-09-19 | 2019-12-20 | 内蒙古工业大学 | Laser-electric arc hybrid welding method suitable for high-strength aluminum alloy flat welding |
| CN110814552A (en) * | 2019-09-27 | 2020-02-21 | 渤海造船厂集团有限公司 | Scanning galvanometer laser-high frequency pulse TIG (tungsten inert gas) hybrid welding method |
| CN110961789A (en) * | 2019-11-26 | 2020-04-07 | 哈尔滨工业大学（威海） | Laser scanning-vibration hot wire TIG (tungsten inert gas) hybrid welding method |
| CN113634893A (en) * | 2021-08-13 | 2021-11-12 | 远景动力技术(江苏)有限公司 | Method for welding copper sampling terminal and aluminum tab and battery |
| CN116727864A (en) * | 2023-08-14 | 2023-09-12 | 沈阳信拓技术服务有限公司 | Composite welding process of die-casting aluminum alloy battery pack tray |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003025081A (en) * | 2001-07-12 | 2003-01-28 | Daihen Corp | Pulse arc welding method by irradiation with pulse laser |
| CN1418753A (en) * | 2002-12-17 | 2003-05-21 | 陈彦宾 | Welding method coordinately controlled by laser-electric arc compound pulsation |
| JP3523111B2 (en) * | 1999-04-28 | 2004-04-26 | 日立建機株式会社 | Laser trigger arc welding method and apparatus |
| CN101670495A (en) * | 2009-09-28 | 2010-03-17 | 北京工业大学 | Laser-TIG electric arc hybrid welding technology for spaceflight aluminum alloy plate with medium thickness and high strength |
-
2013
- 2013-04-27 CN CN2013101501012A patent/CN103192187A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3523111B2 (en) * | 1999-04-28 | 2004-04-26 | 日立建機株式会社 | Laser trigger arc welding method and apparatus |
| JP2003025081A (en) * | 2001-07-12 | 2003-01-28 | Daihen Corp | Pulse arc welding method by irradiation with pulse laser |
| CN1418753A (en) * | 2002-12-17 | 2003-05-21 | 陈彦宾 | Welding method coordinately controlled by laser-electric arc compound pulsation |
| CN101670495A (en) * | 2009-09-28 | 2010-03-17 | 北京工业大学 | Laser-TIG electric arc hybrid welding technology for spaceflight aluminum alloy plate with medium thickness and high strength |
Non-Patent Citations (2)
| Title |
|---|
| 冉国伟: "2219铝合金复合热源焊接工艺及接头性能", 《焊接学报》 * |
| 王波: "高强铝合金激光辅助TIG电弧复合焊接工艺及接头性能", 《焊接技术》 * |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418919B (en) * | 2013-08-29 | 2015-09-30 | 首都航天机械公司 | Heterogeneity aluminum alloy thin edges structure laser-arc hybrid welding in industry method |
| CN103418919A (en) * | 2013-08-29 | 2013-12-04 | 首都航天机械公司 | Laser-arc hybrid welding method for special aluminum alloy thin edge structure |
| CN103495809A (en) * | 2013-09-25 | 2014-01-08 | 哈尔滨恒普激光应用技术有限公司 | Laser-MIG composite heat source welding method for thick plate aluminum alloy |
| CN103495809B (en) * | 2013-09-25 | 2016-03-23 | 哈尔滨恒普激光应用技术有限公司 | Thick aluminum alloy plate laser-MIG composite heat power supply welding method |
| CN104625411A (en) * | 2014-12-15 | 2015-05-20 | 哈尔滨工业大学 | Welding method for Ti2AlNb-based intermetallic compound and dissimilar titanium alloy |
| CN104625411B (en) * | 2014-12-15 | 2016-07-06 | 哈尔滨工业大学 | A kind of Ti2The method of AlNb base intermetallic compound and xenogenesis titanium alloy welding |
| CN104889569A (en) * | 2015-06-03 | 2015-09-09 | 广东省工业技术研究院(广州有色金属研究院) | Pulse laser-arc composite welding method |
| CN106735968A (en) * | 2016-12-02 | 2017-05-31 | 机械科学研究总院青岛分院 | A kind of laser electrical arc complex welding method |
| CN107498182A (en) * | 2017-09-01 | 2017-12-22 | 上海交通大学 | A kind of compound molten bath concussion welding methods of laser scanning TIG |
| CN108393587B (en) * | 2018-01-23 | 2019-10-11 | 大连理工大学 | A kind of aluminium alloy laser-TIG hybrid increasing material manufacturing method |
| CN108393587A (en) * | 2018-01-23 | 2018-08-14 | 大连理工大学 | A kind of aluminium alloy laser-TIG hybrid increasing material manufacturing method |
| CN109604831A (en) * | 2018-12-25 | 2019-04-12 | 上海交通大学 | For improving the laser TIG Combined Welding welding procedure of titanium or titanium alloy sheet laser weldering undercut |
| CN109604831B (en) * | 2018-12-25 | 2020-11-10 | 上海交通大学 | Laser TIG (tungsten inert gas) hybrid welding process for improving laser welding undercut of titanium and titanium alloy sheets |
| CN109759710A (en) * | 2019-02-26 | 2019-05-17 | 重庆理工大学 | A kind of electric arc fuse increasing material manufacturing method based on laser higher-order of oscillation molten bath |
| CN109759710B (en) * | 2019-02-26 | 2021-01-22 | 重庆理工大学 | Arc fuse additive manufacturing method based on laser high-frequency oscillation molten pool |
| CN110421262A (en) * | 2019-07-01 | 2019-11-08 | 上海交通大学 | A kind of method of pulse laser control aluminum alloy surface roughness |
| CN110587138A (en) * | 2019-09-19 | 2019-12-20 | 内蒙古工业大学 | Laser-electric arc hybrid welding method suitable for high-strength aluminum alloy flat welding |
| CN110814552A (en) * | 2019-09-27 | 2020-02-21 | 渤海造船厂集团有限公司 | Scanning galvanometer laser-high frequency pulse TIG (tungsten inert gas) hybrid welding method |
| CN110961789A (en) * | 2019-11-26 | 2020-04-07 | 哈尔滨工业大学（威海） | Laser scanning-vibration hot wire TIG (tungsten inert gas) hybrid welding method |
| CN113634893A (en) * | 2021-08-13 | 2021-11-12 | 远景动力技术(江苏)有限公司 | Method for welding copper sampling terminal and aluminum tab and battery |
| CN116727864A (en) * | 2023-08-14 | 2023-09-12 | 沈阳信拓技术服务有限公司 | Composite welding process of die-casting aluminum alloy battery pack tray |
| CN116727864B (en) * | 2023-08-14 | 2023-12-08 | 沈阳育成鑫成果转化技术服务有限公司 | Composite welding process of die-casting aluminum alloy battery pack tray |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103192187A (en) | Laser high-frequency alternating-current pulse tungsten inert gas (TIG) hybrid welding process | |
| CN103862177B (en) | Laser-GMA arc composite heat source welding with filler wire method | |
| CN109604831B (en) | Laser TIG (tungsten inert gas) hybrid welding process for improving laser welding undercut of titanium and titanium alloy sheets | |
| CN103071935B (en) | Laser-arc composite welding device based on heat input control and welding method | |
| CN101670495B (en) | Laser-TIG electric arc hybrid welding technology for spaceflight aluminum alloy plate with medium thickness and high strength | |
| AU2020103796A4 (en) | A Laser-GMA Arc Composite Heat Source Wire-filled Welding Method | |
| CN106862771B (en) | A kind of laser assisted melt pole electrical arc increasing material connection method for high temperature alloy | |
| CN101954543B (en) | Non-splash, low-deformation, high-quality and high-efficiency welding method for T-shaped joint of aluminum alloy sheet | |
| CN101347870B (en) | Laser-ultrasmall current GMA compound heat power supply welding method | |
| CN107999962B (en) | A kind of method for laser welding of double CMT/ mariages CMT auxiliary | |
| Huang et al. | Research on weld formation mechanism of laser-MIG arc hybrid welding with butt gap | |
| CN108296610A (en) | A kind of TIG weld method of heat treatment reinforcement aluminium alloy | |
| CN103600177B (en) | A kind of single supply VPPA-GTAW bifurcation piercing by electric arc welding method | |
| CN107414303A (en) | A kind of laser scanning combination laser heating wire TIG complex welding method | |
| CN108453388B (en) | Double-laser-induced arc penetration welding method and welding device for T-shaped structural part | |
| CN104400225A (en) | Laser welding method for Ti2A1Nb intermetallic compound | |
| CN108188582B (en) | Laser-electric arc composite filler wire welding method for preparing magnesium/steel dissimilar metal | |
| CN103433630B (en) | A kind of pulsed wire feeding laser-electric arc spot soldering method | |
| CN102886612A (en) | Laser-plasma arc double-side hybrid welding method | |
| CN105798462A (en) | Welding method utilizing laser-MAG compound heat source | |
| CN101249583A (en) | Magnesium alloy gas metal arc welding-non-melt pole shield-arc welding composite weld | |
| CN107570874A (en) | Laser-arc hybrid welding process | |
| CN113941777A (en) | Thick plate ultrahigh-power laser scanning-high-frequency pulse deep melting TIG (tungsten inert gas) hybrid welding method | |
| WO2022262788A1 (en) | Narrow gap laser-tig arc hybrid welding apparatus and welding method | |
| WO2022257669A1 (en) | Pulsed wire feeding method based on laser-gma arc composite heat source wire-filled welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130710 |