CN106424732A - Electron beam additive manufacturing device - Google Patents
Electron beam additive manufacturing device Download PDFInfo
- Publication number
- CN106424732A CN106424732A CN201611093479.3A CN201611093479A CN106424732A CN 106424732 A CN106424732 A CN 106424732A CN 201611093479 A CN201611093479 A CN 201611093479A CN 106424732 A CN106424732 A CN 106424732A
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- Prior art keywords
- electron gun
- vacuum
- manufacturing device
- electron beam
- material manufacturing
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/46—Radiation means with translatory movement
- B22F12/48—Radiation means with translatory movement in height, e.g. perpendicular to the deposition plane
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
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- 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
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
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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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/30—Platforms or substrates
- B22F12/33—Platforms or substrates translatory in the deposition plane
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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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/50—Means for feeding of material, e.g. heads
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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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention provides an electron beam additive manufacturing device. The electron beam additive manufacturing device comprises a vacuum forming chamber, a part bearing platform, an electronic gun and an electronic gun vacuum chamber; the electronic gun vacuum chamber is mounted at the top of the vacuum forming chamber, and communicates with the vacuum forming chamber; the part bearing platform is mounted in the vacuum forming chamber; an electronic gun lifting guide rail is arranged in the electronic gun vacuum chamber; and the electronic gun is mounted on the electronic gun lifting guide rail, and can move up and down along the electronic gun lifting guide rail. The electron beam additive manufacturing device is higher in production efficiency and forming precision.
Description
Technical field
The present invention can be used for the material increasing field of metallic element, particularly to a kind of electron beam fuse increasing material manufacturing dress
Put.
Background technology
Increases material manufacturing technology also known as 3D printing or Rapid Prototyping technique.It is a kind of with digital three-dimensional model map file as base
Plinth, with metal dust, metal wire material or can cohesive plastic or other material, carry out constructed object by way of successively stacking accumulation
Technology.Fast Forming Technique is widely used in the fields such as Making mold, industrial design, is now increasingly used for some products
Direct manufacture, the particularly application of some high values, such as human body implantation hip joint, tooth and some airplane components etc..
Metallic element method for quickly forming and manufacturing mainly have selective laser sintering (SLS), selective laser fusing (SLM),
Laser coaxial powder feeding directly manufactures, electron beam fuse shapes (EBAM), electron beam selective melting shapes methods such as (EBM).This is several
The method of kind all has limitation in various degree, and such as several employing laser are increasing material manufacturing method and the electron beam constituency of thermal source
It is all as raw shaping material using metal dust that fusing shapes, and metal dust manufacture difficulty needed for these methods is big, is easily subject to
To pollution, it is difficult to preserve, use cost is high, forming efficiency is low.Electron beam fuse shapes using metal wire material as shaping former material
Material, maximum advantage is that forming speed is fast, but forming accuracy relatively low it is adaptable to manufacture the blank of large complicated part.
Existing electron beam fuse Rapid Prototyping technique is using electron beam as thermal source, melts accumulation horizon in base material or last layer
Surface formation molten bath, and tinsel is sent into melting range realization successively accumulation Rapid Prototyping Manufacturing.Existing electron beam fuse
Increasing material manufacturing device machine tool motion pattern can be divided into three kinds：(1) electron gun is fixed, and is carried out in vacuum interior by part carrying platform
The motion in tri- directions of X, Y, Z, the position of adjustment work surface and the direction of motion；(2) electron gun can be in horizontal X direction and vertical Z
Move in direction, in Y movement in vertical direction, both match and realize test adjustment part position and motion side part carrying platform
To；(3) electron gun can be in the motion in tri- directions of X, Y, Z.
This several method all suffers from the drawback that：(1) electron gun, wire feeder, part carrying platform are all arranged on vacuum
Shape indoor, the accessory size that can produce is limited by internal motion actuator travel, and the utilization rate of vacuum forming room is low, is
The big part of production must manufacture bigger vacuum forming room.(2) wire feeder is arranged on vacuum forming chamber interior, changes welding wire
Shi Bixu exits to vacuum forming room, has influence on the Continuous maching of part, production efficiency substantially reduces.(3) wire feed position is fixed,
It cannot be guaranteed that welding wire is sent into from the front in molten bath all the time, molding effect is poor.In a word, unfavorable using general purpose fuse quickly shaping device
Electron beam fuse increasing material manufacturing in band large-scale metal part.
Content of the invention
In order to solve the problems referred to above of prior art it is necessary to provide a kind of electron beam fuse increasing material manufacturing device, in energy
While utilizing forming vacuum room to greatest extent, there is higher production efficiency and formed precision.
The present invention solve technical problem provide technical scheme be：
A kind of electron beam fuse increasing material manufacturing device, it includes vacuum forming room, part carrying platform, electron gun and electronics
Rifle vacuum chamber, described electron gun vacuum room is arranged on described forming vacuum ceiling portion, and is connected with described forming vacuum room,
Described part carrying platform is arranged on described vacuum forming chamber interior, and described electron gun vacuum interior is provided with electron gun lifting
Guide rail, described electron gun is arranged on described electron gun riser guide, and described electron gun can be along along described electron gun riser guide
Lower movement.
In the embodiment of the present invention, described electron gun riser guide is vertically arranged with described electron gun vacuum ceiling face.
In the embodiment of the present invention, the described valve that separates is arranged on the top of described forming vacuum indoor, described separation
Valve can move the connectivity part of extremely described forming vacuum room and described electron gun vacuum room along the top inside described vacuum chamber, with
Isolate described vacuum forming room and described electron gun vacuum room.
In the embodiment of the present invention, described electron beam fuse increasing material manufacturing device also includes vacuum line and vacuum system, institute
State vacuum system to be connected with described forming vacuum room and described electron gun vacuum room by described vacuum line, for described
Forming vacuum room and described electron gun vacuum room are connected and carry out evacuation process.
In the embodiment of the present invention, described electron beam fuse increasing material manufacturing device also includes power control system, described power supply
Control system is used for controlling described vacuum system, part carrying platform, electron gun and separating valve completing various functions and action,
Described power control system is used for controlling described vacuum system, part carrying platform, electron gun and separating valve completing various work(
Energy and action.
In the embodiment of the present invention, described electron beam fuse increasing material manufacturing device also includes being opened in described electron gun vacuum room
The welding wire exchange screen of side.
In the embodiment of the present invention, part carrying platform described in described electron beam fuse increasing material manufacturing device can be in the horizontal direction
Accurate movement.
In the embodiment of the present invention, described electron beam fuse increasing material manufacturing device also includes wire feeding disc circulatory motion device, institute
State electron gun and also include electron gun shell, described wire feeding disc circulatory motion device is arranged on described electron gun shell.
In the embodiment of the present invention, described electron beam fuse increasing material manufacturing device also includes wire feed rifle and wire feeding disc, described send
Wire tray is arranged on described wire feeding disc circulatory motion device, and described wire feeding disc is used for installing welding wire, and described wire feed rifle is sent with described
Wire tray is connected by welding wire, and described wire feed rifle is used for the welding wire of described wire feeding disc is transmitted into the muzzle position of described electron gun
Put.
In the embodiment of the present invention, wire feeding disc described in described electron beam fuse increasing material manufacturing device can be around described electron gun
Center line move in a circle.
Compared with prior art, the electron beam fuse increasing material manufacturing device of the present invention adopts the electron gun of vertical lift,
The space of forming vacuum room can be utilized to greatest extent, be conducive to the figuration manufacture of band large-scale metal part, reduce and manufacture
Cost；Installed using wire feeding disc and disk motion mode of courting death can be always ensured that welding wire sends into melting range in front of molten bath, have
Beneficial to appearance of weld, improve increasing material manufacturing molding effect；In addition, adopting seperating vale goalkeeper's forming vacuum room and electron gun vacuum room
Separate, welding wire and filament can be changed under conditions of not destroying molding vacuum chamber vacuum, be conducive to working long hours manufacture greatly
Type metal parts.
Brief description
Fig. 1 is a kind of electron beam fuse increasing material manufacturing apparatus structure schematic diagram of the embodiment of the present invention.
In Fig. 1, each component description is as follows：
1. vacuum forming room；2. part carrying platform；3. part to be formed；4. wire feed rifle；5. wire feeding disc；6. vacuum tube
Road；7. vacuum system；8. power control system；9. electron gun；10. electron gun riser guide；11. electron gun vacuum rooms；12. points
From valve；13. wire feeding disc circulatory motion devices；14. electron gun shells；15. welding wire exchange screens.
Fig. 2 is the electron beam fuse increasing material manufacturing device maximum space utilizing status schematic diagram in Fig. 1.
Fig. 3 is that the electron beam fuse increasing material manufacturing device in Fig. 1 changes welding wire and filament effect diagram.
Specific embodiment
As shown in figure 1, the electron beam fuse increasing material manufacturing device that case study on implementation of the present invention provides includes：Vacuum forming room 1,
Part carrying platform 2, wire feed rifle 4, wire feeding disc 5, vacuum line 6, vacuum system 7, power control system 6, electron gun 9, electronics
Rifle riser guide 10, electron gun vacuum room 11, separation valve 12, wire feeding disc circulatory motion device 13, welding wire exchange screen 15.Institute
State electron gun 9 and include electron gun shell 14.
Described electron gun vacuum room 11 is arranged on the top in described forming vacuum room 1 outside, and with described forming vacuum room 1
Communicate.Described part carrying platform 2 is arranged on inside described vacuum forming room 1, can accurate movement in the horizontal direction.Described wire feed
Rifle 4, described wire feeding disc 5, described electron gun 9, described electron gun riser guide 10, described wire feeding disc circulatory motion device 13 are installed
Inside described electron gun vacuum room 11.
Described wire feeding disc circulatory motion device 13 is arranged on described electron gun shell 14, and described wire feeding disc 5 is arranged on institute
State on wire feeding disc circulatory motion device 13.Described wire feeding disc 5 is used for installing welding wire, and described wire feed rifle 4 is passed through with described wire feeding disc 5
Welding wire is connected, and described wire feed rifle 4 is used for the weldering in described wire feeding disc 5 being delivered to the muzzle position of described electron gun 9, for being formed
Part 3 to be formed provides welding wire raw material.Described wire feeding disc 5 can move in a circle around the center line of described electron gun 9, can make
Welding wire is sent into from the front in described molten bath all the time
Described electron gun riser guide 10 is vertically arranged with described electron gun vacuum room 11 top surface, and described electron gun 9 is installed
On described electron gun riser guide 10, described electron gun 9 relies on described electron gun riser guide 10 indoor in forming vacuum
Accurate lift, and stable position can be kept, described electron gun can accurate divergent bundle, in order to send to described
The welding wire raw material that silk rifle 4 provides carries out heating accumulation process.The electron beam of described electron gun 9 transmitting as thermal source, in base material or
Last layer fusing is piled up layer surface and is formed molten bath, and welding wire is sent into described molten bath and realized successively piling up short-term training soon by described wire feed rifle 4
Shape manufactures.
Described separation valve 12 is arranged on the top of described forming vacuum room 1 inner side, and described separation valve 12 can be along institute
State the mobile connectivity part to described forming vacuum room 1 and described electron gun vacuum room 11 in top inside vacuum chamber, true to isolate
Empty working chamber 1 and electron gun vacuum room 11.Needing to change welding wire or described separation valve when changing filament, can closed
12, thus isolating described vacuum forming room 1 and described electron gun vacuum room 11.
Described welding wire exchange screen 15 arranges the side of electron gun vacuum room 11, described need to change welding wire when
Wait, described electron gun 9 can be increased to described electron gun and shape vacuum chamber 11 top, be then shut off described separation valve 12, every
From described vacuum forming room 1 and described electron gun vacuum room 11, is then exitted in described electron gun vacuum room 11, by described weldering
Welding wire and filament that silk exchange screen 15 more renews.
Described vacuum system 7 is by described vacuum line 6 and described forming vacuum room 1 and described electron gun vacuum room 11 phase
UNICOM, for being connected and carrying out evacuation process to described forming vacuum room 1 and described electron gun vacuum room 11.
Described power control system 6 is used for providing power supply for described electron beam fuse increasing material manufacturing device, described true
Empty set system 7, described part carrying platform 2, described wire feed rifle 4, described wire feeding disc 5, described electron gun 9, the lifting of described electron gun
Guide rail 10, described separation valve 12, described wire feeding disc circulatory motion device 13 are required to the control in described power control system 6
Under complete various functions and action.
As shown in Fig. 2 the electron beam fuse increasing material manufacturing device maximum space utilizing status schematic diagram for the present invention.When need
When printing large parts, described electron gun 9, described wire feed rifle 4 and described wire feeding disc 5 can progressively lift along described electron gun
Guide rail 10 is recovered in described electron gun vacuum room 11, and the large parts being printed can take entirely described vacuum forming room
1, thus meeting the demand printing large parts.
As shown in figure 3, changing welding wire and filament effect diagram for the electron beam fuse increasing material manufacturing device of the present invention.When
Described electron beam fuse increasing material manufacturing device is working and is needing to change the welding wire of described wire feeding disc 5 and described electron gun 9
During filament, described electron gun 9 can be increased to described electron gun and shape vacuum chamber 11 top, be then shut off described separation valve
12, isolate described vacuum forming room 1 and described electron gun vacuum room 11, is then exitted in described electron gun vacuum room 11, pass through
Welding wire and filament that described welding wire exchange screen 15 more renews.
In sum, the electron beam fuse increasing material manufacturing device of the present invention, can be maximum using the electron gun of vertical lift
The space of the utilization forming vacuum room of limit, is conducive to the figuration manufacture of band large-scale metal part, reduces manufacturing cost；Using
Wire feeding disc is installed and disk motion mode of courting death can be always ensured that welding wire sends into melting range in front of molten bath, is conducive to weld seam to become
Type, improves increasing material manufacturing molding effect；In addition, being separated with electron gun vacuum room using seperating vale goalkeeper's forming vacuum room, can
Change welding wire and filament under conditions of not destroying molding vacuum chamber vacuum, be conducive to the manufacture band large-scale metal zero that works long hours
Part.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of electron beam fuse increasing material manufacturing device is it is characterised in that include vacuum forming room, part carrying platform, electronics
Rifle and electron gun vacuum room, described electron gun vacuum room is arranged on described forming vacuum ceiling portion, and with described forming vacuum
Room is connected, and described part carrying platform is arranged on described vacuum forming chamber interior, and described electron gun vacuum interior is provided with
Electron gun riser guide, described electron gun is arranged on described electron gun riser guide, and described electron gun can be along described electron gun
Riser guide moves up and down.
2. electron beam fuse increasing material manufacturing device according to claim 1 is it is characterised in that described electron gun riser guide
It is vertically arranged with described electron gun vacuum ceiling face.
3. electron beam fuse increasing material manufacturing device according to claim 1 is it is characterised in that the described valve that separates is arranged on
The top of described forming vacuum indoor, described separation valve can be along the mobile extremely described molding in the top inside described vacuum chamber
Vacuum chamber and the connectivity part of described electron gun vacuum room, to isolate described vacuum forming room and described electron gun vacuum room.
4. electron beam fuse increasing material manufacturing device according to claim 3 is it is characterised in that also include vacuum line and true
Empty set is united, and described vacuum system is connected with described forming vacuum room and described electron gun vacuum room by described vacuum line,
For being connected and carrying out evacuation process to described forming vacuum room and described electron gun vacuum room.
5. electron beam fuse increasing material manufacturing device according to claim 4 is it is characterised in that also include power supply system
System, described power control system be used for controlling described vacuum system, part carrying platform, electron gun and separate valve complete various
Function and action, described power control system is used for controlling described vacuum system, part carrying platform, electron gun and separates valve
Complete various functions and action.
6. electron beam fuse increasing material manufacturing device according to claim 1 is it is characterised in that also include being opened in described electricity
The welding wire exchange screen of sub- rifle vacuum chamber side.
7. electron beam fuse increasing material manufacturing device according to claim 1 is it is characterised in that described part carrying platform can
Accurate movement in the horizontal direction.
8. electron beam fuse increasing material manufacturing device according to claim 1 is it is characterised in that also include wire feed disc-annular shape fortune
Dynamic device, described electron gun also includes electron gun shell, and described wire feeding disc circulatory motion device is arranged on described electron gun shell
On.
9. electron beam fuse increasing material manufacturing device according to claim 8 is it is characterised in that also include wire feed rifle and wire feed
Disk, described wire feeding disc is arranged on described wire feeding disc circulatory motion device, and described wire feeding disc is used for installing welding wire, described wire feed rifle
It is connected by welding wire with described wire feeding disc, described wire feed rifle is used for for the welding wire of described wire feeding disc being transmitted into described electron gun
Muzzle position.
10. electron beam fuse increasing material manufacturing device according to claim 9 is it is characterised in that described wire feeding disc can enclose
Center line around described electron gun moves in a circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093479.3A CN106424732B (en) | 2016-12-01 | 2016-12-01 | A kind of electron beam fuse increasing material manufacturing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611093479.3A CN106424732B (en) | 2016-12-01 | 2016-12-01 | A kind of electron beam fuse increasing material manufacturing device |
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| Publication Number | Publication Date |
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| CN106424732A true CN106424732A (en) | 2017-02-22 |
| CN106424732B CN106424732B (en) | 2018-11-13 |
Family
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106695105A (en) * | 2017-03-14 | 2017-05-24 | 西安智熔金属打印系统有限公司 | Electron beam fuse wire additive manufacturing method |
| CN106984894A (en) * | 2017-03-14 | 2017-07-28 | 西安智熔金属打印系统有限公司 | The electron beam fuse of vector wire feed increases material device |
| CN106997811A (en) * | 2017-03-24 | 2017-08-01 | 西安智熔金属打印系统有限公司 | A kind of method that electron beam infiltration prepares copper tungsten contact |
| CN107498043A (en) * | 2017-07-04 | 2017-12-22 | 西安智熔金属打印系统有限公司 | Electron beam fuse increasing material manufacturing device and its control method |
| CN107584119A (en) * | 2017-09-26 | 2018-01-16 | 哈尔滨工业大学 | A kind of self-adaptive regulating for improving feeding stability in fuse deposition process |
| CN107806843A (en) * | 2017-09-25 | 2018-03-16 | 西安智熔金属打印系统有限公司 | Electron beam fuse increasing material manufacturing topography measurement device and its compensating control method |
| CN108326463A (en) * | 2018-01-31 | 2018-07-27 | 华中科技大学 | A method of preparing intermetallic compound part using cable formula welding wire |
| CN108620587A (en) * | 2018-05-17 | 2018-10-09 | 湖南科技大学 | A kind of increasing material manufacturing apparatus and method based on various metals powder particle sensing heating |
| CN108672936A (en) * | 2018-05-17 | 2018-10-19 | 湖南科技大学 | It is a kind of based on sensing heating fuse and the compound increasing material manufacturing apparatus and method of laser |
| CN109226761A (en) * | 2018-10-31 | 2019-01-18 | 南京理工大学 | A kind of device of the compound increasing material manufacturing of electron beam-supersonic synergic |
| CN109411319A (en) * | 2018-11-16 | 2019-03-01 | 合肥飞帆等离子科技有限公司 | A kind of novel plasma cathode electronics electron gun and 3D printer |
| CN114273768A (en) * | 2022-01-19 | 2022-04-05 | 哈尔滨工业大学 | Electron beam multi-filament collaborative additive manufacturing device and method |
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| CN106984894A (en) * | 2017-03-14 | 2017-07-28 | 西安智熔金属打印系统有限公司 | The electron beam fuse of vector wire feed increases material device |
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| CN106997811B (en) * | 2017-03-24 | 2019-03-05 | 西安智熔金属打印系统有限公司 | A kind of method that electron beam infiltration prepares copper tungsten contact |
| CN106997811A (en) * | 2017-03-24 | 2017-08-01 | 西安智熔金属打印系统有限公司 | A kind of method that electron beam infiltration prepares copper tungsten contact |
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