CN108326430A - A kind of compound subregion increasing material manufacturing technique of laser-electric arc and equipment - Google Patents
A kind of compound subregion increasing material manufacturing technique of laser-electric arc and equipment Download PDFInfo
- Publication number
- CN108326430A CN108326430A CN201810147897.9A CN201810147897A CN108326430A CN 108326430 A CN108326430 A CN 108326430A CN 201810147897 A CN201810147897 A CN 201810147897A CN 108326430 A CN108326430 A CN 108326430A
- Authority
- CN
- China
- Prior art keywords
- material manufacturing
- increasing material
- laser
- region
- subregion
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Arc Welding In General (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a kind of techniques and equipment about the compound subregion increasing material manufacturing of laser-arc, this method solve when single source increasing material manufacturing, the problem that low cost, high efficiency can not get both with high formed precision, the flexible intelligent manufacture for realizing parts with complex structures, the part haveing excellent performance is obtained while reducing production cost, improving production efficiency.The increasing material manufacturing technique includes that drip molding flexible intelligent fabrication region divides, and each region process choice of drip molding and determination are final to carry out increasing material manufacturing experiment.The increasing material manufacturing equipment includes MIG welding machines, tig arc welding machine and laser, and central controller is adjusted heat source according to setting program, and the component of not enabled will be controlled lift by system and is placed on one side in being equipped when carrying out increasing material manufacturing experiment.
Description
Technical field：
The invention belongs to energy composite energy material increasing fields, and in particular to a kind of to increase material system with laser-electric arc composite heat source
The technique and equipment made, can realize the increasing material manufacturing of high flexibility, high efficiency, high quality.
Background technology：
Electric arc increases material manufacturing technology has many advantages, such as that efficient, at low cost, metal material applicability is good；However, electric arc
Increasing material manufacturing part forming precision has a certain distance, residual stress larger with purification formation of parts.Therefore, single source increasing is carried out
When material manufactures, low cost, high efficiency can not get both with high formed precision.
Laser-electric arc composite heat source can play the respective advantage of the two, while make up respective deficiency.The addition of laser
Electric arc can be stablized, improve the stability of increasing material manufacturing process, and electric arc can play its high efficiency；Meanwhile using low-power
The effect of laser cooperation electric arc can achieve the effect that high power laser obtains, to which cost be greatly reduced.Electric arc increases
It is mainly TIG and MIG that material, which manufactures common heat source,.TIG electric arc increasing material manufacturing part formings precision is high, but tungsten electrode cannot carry compared with
High current, to reduce forming efficiency.MIG electric arc increasing material manufacturing heat inputs are big, and forming efficiency is high, but arc stability in the process
Property is poor, finally influences element precision.Therefore, during increasing material manufacturing, as the case may be, TIG or MIG electric arcs is selected and are swashed
Photoreactivation.
The compound subregion increasing material manufacturing method of laser-electric arc is in original laser gain material manufacturing technology and electric arc increasing material manufacturing skill
On the basis of art, for the problems of the two and the deficiency present in powder-type raw material, it is further proposed that new method.
Laser gain material, electric arc are increased into material and paraxonic wire feed formula raw material feeding method is combined together and constitutes new increasing material manufacturing system,
This technology has important research and application value.
Invention content：
When for the problem that single source increasing material manufacturing, low cost, high efficiency can not get both with high formed precision, this
The purpose of invention is：A kind of technique and equipment of the compound subregion increasing material manufacturing of laser-electric arc are provided, which has：It is comprehensive
It is at low cost, production efficiency is high, piece surface precision is high, mechanical property is good, disclosure satisfy that the advantages that requirement.
In order to achieve the above object, a kind of compound subregion increasing material manufacturing technique of laser-electric arc provided by the invention and equipment,
Including steps are as follows：
(1) drip molding flexible intelligent fabrication region divides：According to part requirements, region is divided.For mechanical property
For the indexs such as energy and surface quality integrally require more unified drip molding, increasing material manufacturing process is carried out using a kind of technique.
For geometry complexity, the indexs such as mechanical property and surface quality different zones require there are the drip molding of difference for,
Region division is carried out, i.e., the position that size is big but required precision is low and the position that size is small but required precision is high are divided into difference
Region.
(2) each region process choice of drip molding and determination：For do not use subregion manufacture drip molding for, directly according to
Laser gain material combination paraxonic wire feed, laser-TIG are selected according to its requirement in production efficiency, surface accuracy, overall cost etc.
Compound increasing material combination paraxonic wire feed or the compound increasing material manufacturing method of laser-MIG；For the drip molding using subregion manufacture
Speech uses composite heat power supply increasing material manufacturing method, but required precision small in size high in the region that size is big but required precision is not high
Region use laser gain material.
(3) increasing material manufacturing experiment is carried out：Laser, tig arc welding machine, MIG welding machines carry respectively in the increasing material manufacturing equipment of selection
For three kinds of welding heat sources, adjusted by central controller；Wire feeder is connected with wire feed adjuster, is adjusted to wire feed rate
Section.Carry out increasing material manufacturing to test, not used component (such as MIG welding guns, TIG welding guns) is lifted by mechanical hand in experimentation is placed in
On one side, it is tested and is carried out with obstruction free.
Further, the angle of welding gun and laser beam is adjusted between 30 ° to 45 °.
Further, the laser beam and silk material distance between two tips are 2-4mm, and MIG welding gun silk material extension elongations are 20mm left
The right side, using the 6061 type aluminum alloy plate materials of 200mm × 200mm × 19mm as substrate, packing material uses diameter 1.2mm for experiment
ER5356 type aluminium alloy silk materials or diameter 1.2mm ER4043 aluminium alloy silk materials.
Further, use pure argon as protective gas in this method, gas flow 20L/min forms protection gas
Atmosphere improves forming parts and performance.
The present invention has the advantages that：
The present invention replaces single source to carry out increasing material manufacturing using laser-electric arc composite heat source, can play the two respectively
Advantage, while making up respective deficiency.Compared with laser gain material manufactures, solves the problems such as its is of high cost, cladding efficiency is low；
Compared with electric arc increasing material manufacturing, solves the problems such as parts size precision and not high surface quality；Powder, drop are replaced using silk material
The low pollution to environment, improves the utilization rate of material.
Flexible intelligent manufacture is carried out to complex structural member, region division is carried out to part according to objective demand, in not same district
Domain uses different increasing material manufacturing methods, to achieve the purpose that improve production efficiency while cost is reduced.
Description of the drawings：
Fig. 1 is that present invention equipment is schemed；
Fig. 2 is the compound increasing material schematic diagram of laser-MIG of the present invention and partial enlarged view；
Fig. 3 is laser gain material schematic diagram of the present invention and partial enlarged view；
Fig. 4 is that laser-TIG hybrid of the present invention increases material schematic diagram and partial enlarged view.
Wherein：
1-MIG welding guns；2- laser beams；3- protects gas jets；4-TIG welding guns；5- cladding layers；6- base materials；7- welding wires；8- works
Make platform；9- wire feeders；10-MIG welding machines；11- lasers；12-Ar gas cylinders；13-TIG welding machines.
Specific implementation method：
Embodiment 1：
A kind of compound increasing material manufacturing technique of laser-electric arc of the present invention is illustrated with equipment below in conjunction with the accompanying drawings.One
The kind compound subregion increasing material manufacturing technique of laser-electric arc and equipment, which is characterized in that the preparation method includes the following steps：
For the increasing material manufacturing of 5356 aluminium alloy ladder type parts, the method manufactured using subregion.The part cross-section ruler
Very little is upper bottom 1.5mm, and go to the bottom 10mm, high 10mm.The compound increasing material manufacturing of laser-MIG is used in region of the width more than 3mm, such as
Shown in Fig. 2；It is manufactured using laser gain material in region of the width less than 3mm, as shown in Figure 3.Test substrate using 200mm ×
6061 aluminum alloy plate materials of 200mm × 19mm, packing material select the ER5356 aluminium alloy silk materials of diameter 1.2mm, experiment to start
Then the preceding oxidation film that aluminum alloy sheet material surface is polished off with sand paper cleans removal surface and oil contaminant with acetone.
Flexible intelligent increasing material manufacturing experiment is carried out, as shown in Figure 1, MIG welding guns 1 are connected with MIG welding machines 10 and Ar gas cylinders 12
It connects, laser beam 2 is connected with laser 11, and welding wire 7 is connected with wire feeder 9, and MIG welding guns are according to desired trajectory and laser beam
It is moved according to consistent circuit.In width increasing material manufacturing experiment compound more than the region of 3mm progress laser-MIG, MIG
Welding gun not only plays wire feed, also provides electric arc；TIG welding guns are lifted by mechanical hand at this time is placed on one side, is not involved in and tested
Journey.When region of the width less than 3mm carries out laser gain material manufacture experiment, MIG welding guns only play wire feed, do not provide electricity
Arc.
Preferably, the angle of laser beam and welding gun is kept for 45 °, realizes that each layer of angle of welding gun reaches by robot rotation
To fixed value.The distance between laser beam and silk material are 3mm, and MIG welding gun silk material extension elongations are 20mm, and protective gas is straight argon
Gas, gas flow 20L/min.Laser-MIG compound increasing material manufacturing stage, electric current 130A, laser power 300W, scanning
Speed is 0.6m/min；Laser gain material fabrication stage, laser power 3100W, sweep speed 5m/min.As a result it shows using soft
Property intelligence increases material manufacturing technology can obtain that metallurgical binding is good, the trapezoidal part of 5356 aluminium alloys of shaping surface beauty.
Embodiment 2：
A kind of compound increasing material manufacturing technique of laser-electric arc of the present invention is illustrated with equipment below in conjunction with the accompanying drawings.One
The kind compound subregion increasing material manufacturing technique of laser-electric arc and equipment, which is characterized in that the preparation method includes the following steps：
For the increasing material manufacturing of 4043 aluminium alloy ladder type parts, the method manufactured using subregion.The part cross-section ruler
Very little is upper bottom 1.5mm, and go to the bottom 10mm, high 10mm.Laser-TIG hybrid increasing material manufacturing is used in region of the width more than 3mm, such as
Shown in Fig. 4；It is manufactured using laser gain material in region of the width less than 3mm, as shown in Figure 3.Test substrate using 200mm ×
6061 aluminum alloy plate materials of 200mm × 19mm, packing material select the ER4043 aluminium alloy silk materials of diameter 1.2mm, experiment to start
Then the preceding oxidation film that aluminum alloy sheet material surface is polished off with sand paper cleans removal surface and oil contaminant with acetone.
Carry out flexible intelligent increasing material manufacturing experiment, as shown in Figure 1, MIG welding guns 1 are connected with Ar gas cylinders 12, laser beam 2 and
Laser 11 is connected, and silk material 7 is connected with wire feeder 9, and TIG welding guns 4 are connected with tig arc welding machine 13, MIG welding guns, laser
Beam is moved with TIG welding guns according to consistent desired trajectory.Laser-TIG hybrid, which is carried out, in region of the width more than 3mm increases material
When manufacture experiment, MIG welding guns only play wire feed and provide protective gas.Laser increasing is carried out in region of the width less than 3mm
When material manufacture experiment, TIG welding guns are lifted by mechanical hand to be placed on one side.
Preferably, the angle of laser beam and welding gun is kept for 45 °, realizes that each layer of angle of welding gun reaches by robot rotation
To fixed value.The distance between laser beam and silk material are 3mm, and MIG welding gun silk material extension elongations are 20mm, and protective gas is straight argon
Gas, gas flow 20L/min.Laser-TIG hybrid increasing material manufacturing stage, electric current 140A, laser power 350W, scanning
Speed is 0.3m/min；Laser gain material fabrication stage, laser power 3100W, sweep speed 5m/min.As a result it shows using soft
Property intelligence increases material manufacturing technology can obtain that metallurgical binding is good, the trapezoidal part of 4043 aluminium alloys of shaping surface beauty.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as the present invention's
Protection domain.
Claims (2)
1. a kind of compound subregion increasing material manufacturing technique of laser-electric arc and equipment, it is characterised in that include the following steps：
(1) drip molding flexible intelligent fabrication region divides：According to part requirements, region is divided.For mechanical property and
For the indexs such as surface quality integrally require more unified drip molding, increasing material manufacturing process is carried out using a kind of technique.For
Geometry is complicated, and the indexs such as mechanical property and surface quality carry out for different zones require there are the drip molding of difference
The position that size is big but required precision is low and the position that size is small but required precision is high are divided into not same district by region division
Domain.
(2) each region process choice of drip molding and determination：For do not use subregion manufacture drip molding for, direct basis its
Laser gain material combination paraxonic wire feed, laser-TIG hybrid are selected in the requirement of production efficiency, surface accuracy, overall cost etc.
Increase material combination paraxonic wire feed or the compound increasing material manufacturing method of laser-MIG；For the drip molding using subregion manufacture,
The region that size is big but required precision is not high uses composite heat power supply increasing material manufacturing method, region small in size but high required precision
Using laser gain material.
(3) increasing material manufacturing experiment is carried out：Laser, tig arc welding machine, MIG welding machines provide three respectively in the increasing material manufacturing equipment of selection
Kind welding heat source, is adjusted by central controller；Wire feeder is connected with wire feed adjuster, and wire feed rate is adjusted.It opens
Increasing material manufacturing to be opened up to test, not used component (such as MIG welding guns, TIG welding guns) is lifted by mechanical hand in experimentation is placed on one side,
It is tested and is carried out with obstruction free.
2. the compound subregion increasing material manufacturing technique of a kind of laser-electric arc according to claim 1 and equipment, it is characterised in that：
In subregion increasing material manufacturing experimentation, the component (such as MIG welding guns, TIG welding guns) that does not come into operation is lifted by mechanical hand to be placed in
On one side, it is tested and is carried out with obstruction free.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147897.9A CN108326430A (en) | 2018-02-01 | 2018-02-01 | A kind of compound subregion increasing material manufacturing technique of laser-electric arc and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810147897.9A CN108326430A (en) | 2018-02-01 | 2018-02-01 | A kind of compound subregion increasing material manufacturing technique of laser-electric arc and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108326430A true CN108326430A (en) | 2018-07-27 |
Family
ID=62929474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810147897.9A Pending CN108326430A (en) | 2018-02-01 | 2018-02-01 | A kind of compound subregion increasing material manufacturing technique of laser-electric arc and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108326430A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130171A (en) * | 2018-07-28 | 2019-01-04 | 华中科技大学 | A kind of more laser flexible increasing material manufacturing system and methods of the more materials of polymer |
| CN109128150A (en) * | 2018-09-18 | 2019-01-04 | 西南交通大学 | 3D printing high-strength aluminum alloy metal powder, Method of printing and its application |
| CN109834390A (en) * | 2019-03-18 | 2019-06-04 | 华中科技大学 | A kind of multiple degrees of freedom flexible increasing material manufacturing device and method |
| CN109909616A (en) * | 2019-03-27 | 2019-06-21 | 大连理工大学 | A kind of stainless steel structure part increasing material manufacturing method and manufacture system based on low power laser induction TIG electric arc |
| CN111360375A (en) * | 2020-03-10 | 2020-07-03 | 江苏理工学院 | High-efficiency high-precision integrated multi-wire electric arc additive repair system and repair method |
| EP3756816A1 (en) * | 2019-06-27 | 2020-12-30 | FRONIUS INTERNATIONAL GmbH | Method and device for additive manufacture of a moulded body made from metal |
| CN112756789A (en) * | 2021-04-12 | 2021-05-07 | 北京煜鼎增材制造研究院有限公司 | Laser-arc composite additive manufacturing method for aluminum-lithium alloy large-scale component |
| CN113458605A (en) * | 2021-07-12 | 2021-10-01 | 南京航空航天大学 | Device and method based on laser-MIG composite additive repair |
| CN113560734A (en) * | 2021-07-20 | 2021-10-29 | 南京航空航天大学 | Ultrasonic-assisted laser-double-electric-arc hybrid welding equipment and method for inhibiting pore defects |
| CN113751834A (en) * | 2021-09-29 | 2021-12-07 | 南京理工大学 | Double-robot collaborative arc material increase method and device |
| CN115283698A (en) * | 2022-08-04 | 2022-11-04 | 河北金融学院 | Metal rapid additive manufacturing method and device |
| CN116460441A (en) * | 2023-05-15 | 2023-07-21 | 广东省科学院中乌焊接研究所 | Additive manufacturing method of aluminum-titanium alloy composite heat source |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414746A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Simultaneous cooling assisted connection method based on laser additive manufacturing |
| CN105522279A (en) * | 2016-01-15 | 2016-04-27 | 南京航空航天大学 | High-efficient laser-MIG (Metal-Inert Gas Welding) and TIG (Tungsten Inert-Gas Arc Welding) multifunction switching automatic welding equipment and welding method based on same |
| CN106903448A (en) * | 2016-12-26 | 2017-06-30 | 南京航空航天大学 | A kind of electric arc, laser, magnetic field multi-energy a coupling method of manufacturing technology |
-
2018
- 2018-02-01 CN CN201810147897.9A patent/CN108326430A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414746A (en) * | 2015-12-30 | 2016-03-23 | 哈尔滨工业大学 | Simultaneous cooling assisted connection method based on laser additive manufacturing |
| CN105522279A (en) * | 2016-01-15 | 2016-04-27 | 南京航空航天大学 | High-efficient laser-MIG (Metal-Inert Gas Welding) and TIG (Tungsten Inert-Gas Arc Welding) multifunction switching automatic welding equipment and welding method based on same |
| CN106903448A (en) * | 2016-12-26 | 2017-06-30 | 南京航空航天大学 | A kind of electric arc, laser, magnetic field multi-energy a coupling method of manufacturing technology |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130171A (en) * | 2018-07-28 | 2019-01-04 | 华中科技大学 | A kind of more laser flexible increasing material manufacturing system and methods of the more materials of polymer |
| CN109128150A (en) * | 2018-09-18 | 2019-01-04 | 西南交通大学 | 3D printing high-strength aluminum alloy metal powder, Method of printing and its application |
| CN109128150B (en) * | 2018-09-18 | 2019-07-30 | 西南交通大学 | 3D printing high-strength aluminum alloy metal powder, Method of printing and its application |
| CN109834390A (en) * | 2019-03-18 | 2019-06-04 | 华中科技大学 | A kind of multiple degrees of freedom flexible increasing material manufacturing device and method |
| CN109909616A (en) * | 2019-03-27 | 2019-06-21 | 大连理工大学 | A kind of stainless steel structure part increasing material manufacturing method and manufacture system based on low power laser induction TIG electric arc |
| EP3756816A1 (en) * | 2019-06-27 | 2020-12-30 | FRONIUS INTERNATIONAL GmbH | Method and device for additive manufacture of a moulded body made from metal |
| CN111360375A (en) * | 2020-03-10 | 2020-07-03 | 江苏理工学院 | High-efficiency high-precision integrated multi-wire electric arc additive repair system and repair method |
| CN112756789A (en) * | 2021-04-12 | 2021-05-07 | 北京煜鼎增材制造研究院有限公司 | Laser-arc composite additive manufacturing method for aluminum-lithium alloy large-scale component |
| CN112756789B (en) * | 2021-04-12 | 2021-07-09 | 北京煜鼎增材制造研究院有限公司 | Laser-arc composite additive manufacturing method for aluminum-lithium alloy large-scale component |
| CN113458605A (en) * | 2021-07-12 | 2021-10-01 | 南京航空航天大学 | Device and method based on laser-MIG composite additive repair |
| CN113560734A (en) * | 2021-07-20 | 2021-10-29 | 南京航空航天大学 | Ultrasonic-assisted laser-double-electric-arc hybrid welding equipment and method for inhibiting pore defects |
| CN113751834A (en) * | 2021-09-29 | 2021-12-07 | 南京理工大学 | Double-robot collaborative arc material increase method and device |
| CN115283698A (en) * | 2022-08-04 | 2022-11-04 | 河北金融学院 | Metal rapid additive manufacturing method and device |
| CN116460441A (en) * | 2023-05-15 | 2023-07-21 | 广东省科学院中乌焊接研究所 | Additive manufacturing method of aluminum-titanium alloy composite heat source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108326430A (en) | A kind of compound subregion increasing material manufacturing technique of laser-electric arc and equipment | |
| CN110893502B (en) | Electric arc additive manufacturing method of aluminum alloy gradient structural member | |
| CN110773837B (en) | Titanium alloy high-precision electric arc additive manufacturing process | |
| CN111112793B (en) | Electric arc additive manufacturing method of magnesium alloy structural part and equipment used by electric arc additive manufacturing method | |
| CN108161229B (en) | A kind of method of silk filling formula increasing material manufacturing entity class aluminium alloy structure | |
| CN108788389A (en) | A kind of apparatus and method of functionally gradient material (FGM) mariages double-tungsten argon arc increasing material manufacturing | |
| CN111417485B (en) | Method and apparatus for manufacturing shaped object | |
| US20160199939A1 (en) | Hot wire laser cladding process and consumables used for the same | |
| CN108098112A (en) | A kind of method of electric arc increasing material manufacturing heterogeneity aluminum alloy composite material | |
| CN113751877B (en) | Multi-wire synchronous additive manufacturing method for laser-induced arc oscillation | |
| CN112605397A (en) | In-situ alloying method for electric arc additive manufacturing | |
| CN105921851A (en) | Arc-welding material additive manufacturing method for stainless steel part | |
| CN107442941A (en) | A kind of aluminum alloy twin-wire laser gain material manufacture method | |
| CN110039156B (en) | Tungsten-wire electric arc additive manufacturing device and method under auxiliary wire action | |
| CN110961822A (en) | Additive manufacturing using aluminum-containing welding wire | |
| US20190099822A1 (en) | Additive manufacturing using aluminum-containing wire | |
| CN109530858B (en) | Method for improving aluminum alloy electric arc additive metallurgy strength | |
| CN106112547A (en) | A kind of welding and milling composite metal 3D printer | |
| CN108161279A (en) | A kind of carbon steel A-TIG weldering activating agents and welding method | |
| CN110076418A (en) | A kind of tissue crystal fining method carrying out electric arc increasing material manufacturing using alusil alloy | |
| CN104985303A (en) | InFocus-TOPTIG dual-arc hybrid welding method | |
| CN109262207A (en) | A kind of manufacturing process of GH99 alloy strip reinforcing rib cover board | |
| CN117564471A (en) | Additive manufacturing method and system for laser-induced TIG (tungsten inert gas) arc of magnesium alloy structural part | |
| CN110834133B (en) | Method for reducing aluminum alloy arc fuse wire additive manufacturing air holes | |
| CN112692400A (en) | TIG electric arc additive forming time-varying parameter distance self-adaptive control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180727 |