CN106925787A - A kind of aluminium alloy electric arc assisted coating increasing material manufacturing system and method - Google Patents
A kind of aluminium alloy electric arc assisted coating increasing material manufacturing system and method Download PDFInfo
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- CN106925787A CN106925787A CN201710203286.7A CN201710203286A CN106925787A CN 106925787 A CN106925787 A CN 106925787A CN 201710203286 A CN201710203286 A CN 201710203286A CN 106925787 A CN106925787 A CN 106925787A
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- crucible
- electric arc
- controller
- aluminium alloy
- magnetic valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- 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
Abstract
The invention discloses a kind of aluminium alloy electric arc assisted coating increasing material manufacturing system and method,Crucible is fixed on closing glove box,Three-dimensional mobile platform,Substrate and electric arc thermal source are respectively positioned in closing glove box,Substrate is located in three-dimensional mobile platform,The upper end for coating head is connected with the outlet at bottom of crucible,The lower end for coating head is inserted in closing glove box and just to substrate,Electric arc thermal source is fixed on the top of closing glove box and just to substrate,Induction coil is wound with the outer wall of crucible,Induction coil is connected with power supply,The top open part of crucible is provided with crucible cover,First air supply system is connected with closing glove box,Second air supply system is connected with crucible,The output end of controller is connected with the control end of power supply,First air supply system and the second air supply system are connected with controller,The system and method can prepare the preferable Al alloy parts of quality by 3D printing,And preparation cost is low,Efficiency high.
Description
Technical field
The invention belongs to 3D printing technique field, it is related to a kind of aluminium alloy electric arc assisted coating increasing material manufacturing system and side
Method.
Background technology
Increasing material manufacturing (additive manufacturing, AM) technology be in recent years by manufacturing technology, information technology and
New material technology fusion forms a kind of new manufacturing technology, due to its special molding mode and wide application prospect, quilt
It is described as the representative art for being expected to produce " the third time industrial revolution ".The technology does not need the cutter of traditional processing, fixture and many
Road procedure, has the advantages that flexible, forming speed is fast and it is unrelated with part complexity to shape, due to its technique
Particularity, increasing material manufacturing can be realized manufacturing short distance, and promote high-volume manufacturing mode to individual character manufacturing Mode change.
The characteristics of different metal 3D printing increases material manufacturing technologies has each difference and sorting technique, according to moulding material not
Synsedimentary state, the moulding process of metalwork mainly has：Selective laser sintering (Selected Laser Sintering,
SLS) technology, precinct laser fusion (Selective Laser Melting, SLM) technology, laser cladding deposition (Laser
Cladding Deposition, LCD) technology, 3 D-printing (3D Printing, 3DP) technology, electron beam melting
(Electron Beam Melting, EBM) technology, three-dimensional microwelding (3D Micro Welding, 3DMW) forming technique, gold
Category molten drop deposition technique (MMSDD).Wherein Selective Laser Sintering, selective laser melting process and laser cladding deposition skill
Art all employs superpower laser, although its forming accuracy is higher, but its equipment development is with high costs, if forming accuracy
Need further to improve, must just break through the limitation of raw material powder diameter, when diameier is less than 30um, it is difficult to use conventional
Ginding process prepare, and powder body material prepared by the technique such as discharging explosion method, chemical reduction method is relatively costly, and these are small
Easily there is oxidation reaction and even explode in active material powder, there is very big risk during transport and storage；Activity
Powder body material is to laser reflectivity up to 40%~90%, and energy utilization rate is relatively low.Therefore, using laser-powder deposited metal
The method of product is also to be improved.Although wherein electron beam melting energy density is big, power is big, forming efficiency is high, its into
Shape part precision is low, and size is limited.Three-dimensional printing technology, although three-dimensional microbonding connection technology and three-dimensional printing technology equipment cost
It is low, but the intensity of its formation of parts and precision are difficult to meet commercial Application.
Aluminium closes workpiece that density is small, specific strength is high, good corrosion resistance, the low series of advantages of cost, in weapon industry, core
Industry, aviation, automobile, space flight and ship have quite varied application prospect, therefore aluminium alloy technology is listed in science and techniques of defence
The basic technology given priority to.Aluminium alloy use industrially simultaneously is only second to steel, in answering for field of aerospace aluminium alloy
With having reached 80%.
Although aluminium alloy has a wide range of application in national economy, current research of the aluminium alloy in increases material manufacturing technology
Seldom.Aluminium alloy is easily aoxidized in atmosphere first, and its oxidation product alundum (Al2O3) fusing point is (about 20500C) very high, in gold
Coating combination can be caused gap occur in category 3D printing, secondly aluminium alloy easily produces stomata in metal increasing material manufacturing, produced
It is hydrogen that the reason for stomata is mainly, because liquid aluminium can dissolve substantial amounts of hydrogen, and solid aluminum hardly dissolved hydrogen, in solidification
During hydrogen have little time effusion, stomata will be produced in drip molding, so as to cause the second-rate of Al alloy parts, the 3rd,
Aluminium alloy is higher to the reflectivity of laser, and the absorptivity to laser energy is very low, causes aluminium alloy using laser as thermal source
Research runs into greatly obstruction in metal increases material manufacturing technology, so as to the preferable aluminium alloy of mass can not be prepared by 3D printing
Workpiece.
The content of the invention
Shortcoming it is an object of the invention to overcome above-mentioned prior art, there is provided a kind of aluminium alloy electric arc assisted coating increases
Material manufacture system and method, the system and method can prepare the preferable Al alloy parts of quality by 3D printing, and prepare
Low cost, efficiency high.
To reach above-mentioned purpose, aluminium alloy electric arc assisted coating increasing material manufacturing system of the present invention includes closing gloves
Case, three-dimensional mobile platform, substrate, crucible, coating head, electric arc thermal source, power supply, the first air supply system, the second air supply system and control
Device processed；
Crucible is fixed on closing glove box, and three-dimensional mobile platform, substrate and electric arc thermal source are respectively positioned in closing glove box,
Substrate is located in three-dimensional mobile platform, and the upper end for coating head is connected with the outlet at bottom of crucible, and the lower end for coating head is inserted in
In closing glove box and just to substrate, electric arc thermal source is fixed on the top of closing glove box and just to substrate, on the outer wall of crucible
Be wound with induction coil, induction coil is connected with power supply, the top open part of crucible is provided with crucible cover, the first air supply system with
Closing glove box is connected, and the second air supply system is connected with crucible, and the output end of controller is connected with the control end of power supply,
First air supply system and the second air supply system are connected with controller.
First air supply system include vavuum pump, argon tanks and the first magnetic valve, wherein, vavuum pump with closing glove box
It is connected, the gas outlet of argon tanks is connected by the first magnetic valve with closing glove box, and controller is connected with the first magnetic valve
Connect.
Second air supply system includes the second magnetic valve, the 3rd magnetic valve and the pressure for detecting air pressure in crucible
Table, the gas outlet of argon tanks is connected by the second magnetic valve with the air intake of crucible, the gas outlet of the 3rd magnetic valve and crucible
It is connected, manometric output end is connected with the input of controller, the control of the output end of controller and the second magnetic valve
The control end of end and the 3rd magnetic valve is connected.
Manometric output end is connected through charge amplifier and converter with the input of controller successively；Controller leads to
Cross the control of the control end, the control end of the second magnetic valve and the 3rd magnetic valve of converter and solid-state relay and the first magnetic valve
End is connected.
Also include the first temperature sensor, when in use, raw material of aluminum alloy is added in crucible, by induction coil
The raw material of aluminum alloy is heated to molten condition, aluminium alloy is former under detecting the molten condition by the first temperature sensor
The temperature information of material, the output end of the first temperature sensor is connected with the input of controller.
Also include for detecting the second temperature sensor of substrate temperature, wherein, the output end of second temperature sensor with
The input of controller is connected, and the output end of controller is connected with the control end of electric arc thermal source.
It is connected by control card admittedly high between controller and three-dimensional mobile platform.
Aluminium alloy electric arc assisted coating increasing material manufacturing method of the present invention is comprised the following steps：
1) threedimensional model of workpiece to be manufactured is drawn, then the threedimensional model of workpiece to be manufactured is input in controller；
2) raw material of aluminum alloy is added in crucible, controller control power supply, by induction coil to the aluminium in crucible
Alloy raw material is heated, and the raw material of aluminum alloy in crucible is heated to molten condition, the first supply of controller control system
System and the work of the second air supply system, change the air in closing glove box, by the second air supply system by the first air supply system
To inert gas is filled with crucible, make the raw material of aluminum alloy of molten condition under the driving of inert gas from the stream in coating head
Road is flowed continually out；Controller control electric arc thermal source work simultaneously, forms micro- molten bath, in coating head by electric arc thermal source on substrate
The raw material of aluminum alloy of the molten condition of runner outflow is dropped in micro- molten bath；Meanwhile, controller according to workpiece to be manufactured three
Dimension module drives substrate motion by three-dimensional mobile platform, so as to coat out required workpiece on substrate, completes aluminium alloy electric arc
Assisted coating increases the manufacture of material.
Crucible is graphite with the material of coating head, a diameter of 2-4mm of runner in coating head.
Horizontal range between the center line of electric arc thermal source and coating head is 5mm.
The invention has the advantages that：
Aluminium alloy electric arc assisted coating increasing material manufacturing system and method for the present invention is drawn in concrete operations, first and is treated
The threedimensional model of workpiece is manufactured, then the threedimensional model of workpiece to be manufactured is input in controller, by induction coil to aluminium
Alloy raw material is heated, and controller controls the second air supply system to inert gas is poured in crucible, so that molten condition
Raw material of aluminum alloy from coating head in flow continually out, while the present invention micro- molten bath is formed on substrate by electric arc thermal source, painting
The raw material of aluminum alloy for covering the molten condition of head outflow is dropped in fusion pool, seam occurs so as to avoid workpiece interlayer junction
Gap.In addition, it is necessary to explanation, of the invention aluminium alloy is heated by electric arc thermal source and induction coil, it is to avoid laser is made
It is the problem that thermal source brings, reduces the cost for preparing.In addition, during 3D printing, changed by the first air supply system and closed
Air in glove box, so as to effectively improve the quality of Al alloy parts.During 3D printing, the aluminium alloy of molten condition
Flowed continually out from the runner in coating head under the driving of inert gas, so as to effectively improve the preparation effect of Al alloy parts
Rate.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Wherein, 1 be vavuum pump, 2 for closing glove box, 3 be argon tanks, 4 be the first magnetic valve, 5 be pressure gauge, 6 be the
Two magnetic valves, 7 be induction coil, 8 be crucible cover, 9 be crucible, 10 be electric arc thermal source, 11 be the 3rd magnetic valve, 12 be first temperature
Degree sensor, 13 be charge amplifier, 14 be solid-state relay, 15 be converter, 16 be controller, 17 be coating head, 18 be
Gu control card high, 19 be three-dimensional mobile platform, 20 be substrate.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to Fig. 1, aluminium alloy electric arc assisted coating increasing material manufacturing system of the present invention includes closing glove box 2, three
Dimension mobile platform 19, substrate 20, crucible 9, coating first 17, electric arc thermal source 10, power supply, the first air supply system, the second air supply system
And controller 16；Crucible 9 is fixed on closing glove box 2, and three-dimensional mobile platform 19, substrate 20 and electric arc thermal source 10 are respectively positioned on envelope
Close in glove box 2, substrate 20 is located in three-dimensional mobile platform 19, the upper end of coating first 17 is connected with the outlet at bottom of crucible 9,
The lower end of coating first 17 is inserted in closing glove box 2 and just to substrate 20, and electric arc thermal source 10 is fixed on the top of closing glove box 2
Portion and just to substrate 20, is wound with induction coil 7 on the outer wall of crucible 9, induction coil 7 is connected with power supply, the top of crucible 9
Crucible cover 8 is provided with opening, the first air supply system is connected with closing glove box 2, and the second air supply system is connected with crucible 9,
The output end of controller 16 is connected with the control end of power supply, and the first air supply system and the second air supply system are connected with controller 16
Connect.
First air supply system include vavuum pump 1, the magnetic valve 4 of argon tanks 3 and first, wherein, vavuum pump 1 with closing hand
Casing 2 is connected, and the gas outlet of argon tanks 3 is connected by the first magnetic valve 4 with closing glove box 2, controller 16 and first
Magnetic valve 4 is connected.
Second air supply system includes the second magnetic valve 6, the 3rd magnetic valve 11 and for detecting air pressure in crucible 9
Pressure gauge 5, the gas outlet of argon tanks 3 is connected by the second magnetic valve 6 with the air intake of crucible 9, the 3rd magnetic valve 11 and earthenware
The gas outlet of crucible 9 is connected, and the output end of pressure gauge 5 is connected with the input of controller 16, the output end of controller 16 with
The control end of the second magnetic valve 6 and the control end of the 3rd magnetic valve 11 are connected.
The output end of pressure gauge 5 is connected through charge amplifier 13 and converter 15 with the input of controller 16 successively；
Controller 16 by the control end of converter 15 and the magnetic valve 4 of solid-state relay 14 and first, the control end of the second magnetic valve 6 and
The control end of the 3rd magnetic valve 11 is connected；It is connected by control card 18 admittedly high between controller 16 and three-dimensional mobile platform 19
Connect.
Present invention additionally comprises the first temperature sensor 12, when in use, raw material of aluminum alloy is added in crucible 9, led to
Cross induction coil 7 and the raw material of aluminum alloy is heated to molten condition, the melting is detected by the first temperature sensor 12
The temperature information of raw material of aluminum alloy under state, the output end of the first temperature sensor 12 is connected with the input of controller 16
Connect；Present invention additionally comprises the second temperature sensor for detecting the temperature of substrate 20, wherein, the output end of second temperature sensor
Input with controller 16 is connected, and the output end of controller 16 is connected with the control end of electric arc thermal source 10.
Aluminium alloy electric arc assisted coating increasing material manufacturing method of the present invention is comprised the following steps：
1) threedimensional model of workpiece to be manufactured is drawn, then the threedimensional model of workpiece to be manufactured is input in controller 16；
2) raw material of aluminum alloy is added in crucible 9, the control power supply of controller 16, by induction coil 7 in crucible 9
Raw material of aluminum alloy heated, the raw material of aluminum alloy in crucible 9 is heated to molten condition, the control of controller 16 first
Air supply system and the second air supply system are worked, and the air in closing glove box 2 is changed by the first air supply system, are supplied by second
Gas system makes the raw material of aluminum alloy of molten condition under the driving of inert gas from coating to inert gas is filled with crucible 9
Runner in first 17 is flowed continually out；The control electric arc of controller 16 thermal source 10 works simultaneously, by electric arc thermal source 10 on the base plate 20
Micro- molten bath is formed, the raw material of aluminum alloy of the molten condition of runner outflow is dropped in micro- molten bath in coating first 17；Meanwhile, control
Device 16 drives substrate 20 to move according to the threedimensional model of workpiece to be manufactured by three-dimensional mobile platform 19, so as to apply on the base plate 20
Cover required workpiece, complete the manufacture that aluminium alloy electric arc assisted coating increases material.
Crucible 9 is graphite with the material of coating first 17, a diameter of 2-4mm of runner in coating first 17；Electric arc thermal source 10
And the horizontal range between the center line of coating first 17 is 5mm.
By pressure gauge 5 detect crucible 9 in gas pressure information, and by the pressure information of gas in crucible 9 send to
In controller 16, flow control second magnetic valve 6 and threeth magnetic valve of the controller 16 according to aluminium alloy under default molten condition
The pressure of gas in 11 adjustment crucibles 9, so as to control the flow velocity of raw material of aluminum alloy under molten condition.Controlled by controller 16
First magnetic valve 4 is opened, and the argon gas in argon tanks 3 is entered into closing glove box 2 through the first magnetic valve 4, so as to hand will be closed
Air in casing 2 is cemented out, and then effectively improves the quality of the Al alloy parts for printing.Meanwhile, by air
Oxygen content and water content are in below 50ppm in displacement guarantee closing glove box 2.
Induction coil 7 is passed through high frequency electric by power supply, and realize that aluminium alloy is former under the principle of electromagnetic induction heat
The heating melting of material.
Claims (10)
1. a kind of aluminium alloy electric arc assisted coating increasing material manufacturing system, it is characterised in that including closing glove box (2), three-dimensional move
Moving platform (19), substrate (20), crucible (9), coating head (17), electric arc thermal source (10), power supply, the first air supply system, second supply
Gas system and controller (16)；
Crucible (9) is fixed in closing glove box (2), three-dimensional mobile platform (19), substrate (20) and electric arc thermal source (10) position
In in closing glove box (2), substrate (20) coats upper end and the crucible (9) of head (17) in three-dimensional mobile platform (19)
Outlet at bottom is connected, and the lower end of coating head (17) is inserted in closing glove box (2) and just to substrate (20), electric arc thermal source
(10) it is fixed on the top of closing glove box (2) and just to substrate (20), induction coil (7) is wound with the outer wall of crucible (9),
Induction coil (7) is connected with power supply, and the top open part of crucible (9) is provided with crucible cover (8), the first air supply system and closing hand
Casing (2) is connected, and the second air supply system is connected with crucible (9), the output end of controller (16) and the control end phase of power supply
Connection, the first air supply system and the second air supply system are connected with controller (16).
2. aluminium alloy electric arc assisted coating increasing material manufacturing system according to claim 1, it is characterised in that described first supplies
Gas system include vavuum pump (1), argon tanks (3) and the first magnetic valve (4), wherein, vavuum pump (1) with close glove box (2) phase
Connection, the gas outlet of argon tanks (3) is connected by the first magnetic valve (4) with closing glove box (2), controller (16) and first
Magnetic valve (4) is connected.
3. aluminium alloy electric arc assisted coating increasing material manufacturing system according to claim 2, it is characterised in that described second supplies
Gas system includes the second magnetic valve (6), the 3rd magnetic valve (11) and the pressure gauge (5) for detecting crucible (9) interior air pressure, argon
The gas outlet of gas tank (3) is connected by the second magnetic valve (6) with the air intake of crucible (9), the 3rd magnetic valve (11) and crucible
(9) gas outlet is connected, and the output end of pressure gauge (5) is connected with the input of controller (16), controller (16) it is defeated
Go out end to be connected with the control end of the second magnetic valve (6) and the control end of the 3rd magnetic valve (11).
4. aluminium alloy electric arc assisted coating increasing material manufacturing system according to claim 3, it is characterised in that pressure gauge (5)
Output end be connected with the input of controller (16) through charge amplifier (13) and converter (15) successively；Controller (16)
By the control end of converter (15) and solid-state relay (14) and the first magnetic valve (4), the control end of the second magnetic valve (6) and
The control end of the 3rd magnetic valve (11) is connected.
5. aluminium alloy electric arc assisted coating increasing material manufacturing system according to claim 1, it is characterised in that also including first
Temperature sensor (12), when in use, raw material of aluminum alloy is added in crucible (9), by induction coil (7) by the aluminium
Alloy raw material is heated to molten condition, by raw material of aluminum alloy under the first temperature sensor (12) detection molten condition
Temperature information, the output end of the first temperature sensor (12) is connected with the input of controller (16).
6. aluminium alloy electric arc assisted coating increasing material manufacturing system according to claim 5, it is characterised in that also including being used for
The second temperature sensor of substrate (20) temperature is detected, wherein, the output end of second temperature sensor is defeated with controller (16)
Enter end to be connected, the output end of controller (16) is connected with the control end of electric arc thermal source (10).
7. aluminium alloy electric arc assisted coating increasing material manufacturing system according to claim 1, it is characterised in that controller (16)
It is connected by control card (18) admittedly high between three-dimensional mobile platform (19).
8. a kind of aluminium alloy electric arc assisted coating increasing material manufacturing method, it is characterised in that based on the aluminium alloy described in claim 1
Electric arc assisted coating increasing material manufacturing system, comprises the following steps：
1) threedimensional model of workpiece to be manufactured is drawn, then the threedimensional model of workpiece to be manufactured is input in controller (16)；
2) raw material of aluminum alloy is added in crucible (9), controller (16) control power supply, by induction coil (7) to crucible
(9) raw material of aluminum alloy in is heated, and the raw material of aluminum alloy in crucible (9) is heated to molten condition, controller
(16) the first air supply system of control and the work of the second air supply system, by the first air supply system replacing closing glove box (2)
Air, by the second air supply system to inert gas is filled with crucible (9), makes the raw material of aluminum alloy of molten condition in indifferent gas
Flowed continually out from the runner in coating head (17) under the driving of body；Controller (16) controls electric arc thermal source (10) work simultaneously, leads to
Cross electric arc thermal source (10) and micro- molten bath is formed on substrate (20), the aluminium alloy of the molten condition of runner outflow is former in coating head (17)
Material is dropped in micro- molten bath；Meanwhile, controller (16) passes through three-dimensional mobile platform according to the threedimensional model of workpiece to be manufactured
(19) substrate (20) motion is driven, so as to coat out required workpiece on substrate (20), aluminium alloy electric arc assisted coating is completed and is increased
The manufacture of material.
9. aluminium alloy electric arc assisted coating increasing material manufacturing method according to claim 8, it is characterised in that crucible (9) with
The material of coating head (17) is graphite, a diameter of 2-4mm of runner in coating head (17).
10. aluminium alloy electric arc assisted coating increasing material manufacturing method according to claim 8, it is characterised in that electric arc thermal source
(10) horizontal range and between the center line of coating head (17) is 5mm.
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| CN201710203286.7A CN106925787B (en) | 2017-03-30 | 2017-03-30 | Aluminum alloy arc auxiliary coating additive manufacturing system and method |
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| CN201710203286.7A CN106925787B (en) | 2017-03-30 | 2017-03-30 | Aluminum alloy arc auxiliary coating additive manufacturing system and method |
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| CN106925787B CN106925787B (en) | 2019-04-16 |
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| CN107520447A (en) * | 2017-08-28 | 2017-12-29 | 潘涌 | A kind of metal increasing material manufacturing device and method |
| CN110788503A (en) * | 2019-10-25 | 2020-02-14 | 西安交通大学 | Method for forming advanced dissimilar metal composite structure of 45# steel/tin-lead alloy |
| CN113084202A (en) * | 2021-03-18 | 2021-07-09 | 西安交通大学 | Melt flow control device and method for melt coating forming process |
| CN114101711A (en) * | 2021-10-28 | 2022-03-01 | 西安交通大学 | Metal component 3D printing device and method in microgravity environment |
| CN114378312A (en) * | 2021-11-30 | 2022-04-22 | 西安交通大学 | Steel/aluminum structure molten drop deposition composite TIG electric arc additive manufacturing device and method |
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| CN107520447A (en) * | 2017-08-28 | 2017-12-29 | 潘涌 | A kind of metal increasing material manufacturing device and method |
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| CN113084202A (en) * | 2021-03-18 | 2021-07-09 | 西安交通大学 | Melt flow control device and method for melt coating forming process |
| CN113084202B (en) * | 2021-03-18 | 2022-05-20 | 西安交通大学 | Melt flow control device and method for melt coating forming process |
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| CN114378312A (en) * | 2021-11-30 | 2022-04-22 | 西安交通大学 | Steel/aluminum structure molten drop deposition composite TIG electric arc additive manufacturing device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106925787B (en) | 2019-04-16 |
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