CN108161008A - A kind of laser and the molding device of microwave Compound Machining - Google Patents
A kind of laser and the molding device of microwave Compound Machining Download PDFInfo
- Publication number
- CN108161008A CN108161008A CN201810007700.1A CN201810007700A CN108161008A CN 108161008 A CN108161008 A CN 108161008A CN 201810007700 A CN201810007700 A CN 201810007700A CN 108161008 A CN108161008 A CN 108161008A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 17
- 238000003754 machining Methods 0.000 title claims abstract description 17
- 238000000465 moulding Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 48
- 238000000227 grinding Methods 0.000 claims abstract description 38
- 238000009792 diffusion process Methods 0.000 claims abstract description 11
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 238000011534 incubation Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 230000004927 fusion Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001310793 Podium Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B22F10/70—Recycling
- B22F10/73—Recycling of powder
-
- 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
- B22F12/49—Scanners
-
- 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
-
- 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
- B22F12/60—Planarisation devices; Compression devices
- B22F12/67—Blades
-
- 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
- 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
- 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
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
- B22F2003/1054—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by microwave
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a kind of laser and the molding device of microwave Compound Machining, including laser generating system, microwave generation system, vacuum system, powdering system and master controller.The laser generating system includes laser, and the laser is connected with laser galvanometer, and the laser galvanometer is fixed on the surface of the vacuum chamber；The microwave generation system is connected with vacuum chamber；The vacuum system includes cylindrical vacuum chamber, mechanical pump, diffusion pump, gas bleeder valve, PLC and pressure sensor；The powdering system includes powder storing chamber, Powder Recovery chamber, workpiece lifting platform and powdering scraper, there is powder lifting platform in the powder storing chamber, the powder lifting platform connect electric pushrod up and down motion with workpiece lifting platform, the powdering scraper scrapes powder by side-to-side movement, and the vacuum chamber is connected by wave arrestment net with vacuum system.The present invention can realize that microwave is manufactured with laser synchronization, by microwave preheating powder, improve the quality and efficiency of laser fusion increasing material manufacturing.
Description
Technical field
The present invention relates to a kind of laser and the compound increasing material manufacturing system of microwave
Background technology
Laser fusion increases material manufacturing technology is under laser beam heat effect, is completely melt metal powder, after cooling with
Metal solid soldering is molded, and by being layering, material stacking goes out 3D solid.During manufacture, due to workpiece chilling urgency
Heat, be easy to cause the problems such as internal residual thermal stress is excessive, thus traditional laser fusion increasing material manufacturing need it is further
Heat treatment.
Invention content
In order to overcome the shortcomings of above-mentioned technology, the present invention provides a kind of laser and the molding device of microwave Compound Machining,
During laser formation, matrix is made to be maintained at certain temperature with powder, effectively alleviate the machining state of rapid heat cycle, improved
Manufacture the performance of workpiece.
In order to solve the technical issues of above-mentioned, the present invention provides a kind of laser and the molding device of microwave Compound Machining,
Including laser generating system, microwave generation system, vacuum system, powdering system and master controller；
The vacuum system includes cylindrical vacuum chamber, mechanical pump, diffusion pump, gas bleeder valve, PLC and infrared sensor, pressure
Force snesor；The mechanical pump, diffusion pump are connect by vacuum-pumping tube with vacuum chamber；One end connection vacuum of the gas bleeder valve
Chamber, the other end are extended to outside vacuum chamber；One end connection vacuum chamber of the infrared sensor, pressure sensor, the other end pass through
PLC is connected to master controller；
The laser generating system includes laser, and the laser is connected with laser galvanometer, and the laser galvanometer is consolidated
The surface of the vacuum chamber is scheduled on, a laser lens are also set up below the laser galvanometer；
The microwave generation system is connected by waveguide cavity with vacuum chamber, and the waveguide cavity connects that of vacuum chamber
One end is provided with microwave lens；
The powdering system includes powder storing chamber, Powder Recovery chamber, workpiece lifting platform and powdering scraper, has in the powder storing chamber
Powder lifting platform, the powder lifting platform moves back and forth after connecting electric pushrod with workpiece lifting platform along upper and lower directions, described
Powdering scraper is arranged on outside the opening of powder storing chamber, and scrapes powder along left and right directions reciprocating motion；
Suspension is equipped with an incubation cavity in the vacuum chamber, between the incubation cavity and the extreme higher position of powder lifting platform there are
Certain height formation allows bit space so that the powdering scraper passes through the bit space that allows；The end of the incubation cavity is opens
Mouth end, the workpiece lifting platform are risen up by the opening in incubation cavity；
The vacuum chamber is connected by wave arrestment net with vacuum-pumping tube, and the wave arrestment net blocking microwave enters vacuum-pumping tube；
The vacuum chamber is connected by laser lens with laser generating system, and the vacuum chamber passes through microwave lens and microwave system
System is connected；The master controller is connected with vacuum system, laser generating system, microwave generation system and vacuum chamber system.
In a preferred embodiment：The laser is connect with laser galvanometer by light path, and laser is saturating by laser lens
The work top being mapped in vacuum chamber.
In a preferred embodiment：The powdering scraper length is more than powder storing chamber length.
In a preferred embodiment：The powdering scraper length is more than workpiece lifting platform length.
In a preferred embodiment：The mechanical pump and diffusion pump tandem working.
In a preferred embodiment：The range of microwave generation system horizontal direction microwave in vacuum chamber is adjustable, makees
Different height workpiece is preheated for auxiliary thermal source.
In a preferred embodiment：The powdering system controls powdering height by electric pushrod start and stop difference in height.
In a preferred embodiment：The powdering system controls powder supply amount by the start and stop difference in height of electric pushrod.
Compared to the prior art, technical scheme of the present invention has following advantageous effect：
Microwave technology is combined by the present invention with laser fusion increases material manufacturing technology, during laser formation, makes matrix
Certain temperature is maintained at powder, effectively alleviates the machining state of rapid heat cycle, improves the performance of manufacture workpiece.
Description of the drawings
Fig. 1 is the structure chart of Compound Machining molding machine in the preferred embodiment of the present invention.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
With reference to figure 1, a kind of laser and the molding device of microwave Compound Machining, including laser generating system, microwave system
System 2, vacuum system, powdering system and master controller 5；
The vacuum system 3 includes cylindrical vacuum chamber 31, mechanical pump 32, diffusion pump 33, gas bleeder valve 34, PLC35 and red
Outer sensor 36, pressure sensor 37；The mechanical pump 32, diffusion pump 33 connect and pass through vacuum-pumping tube 38 to be connected with vacuum chamber 31
It connects；Vacuumize process is carried out to vacuum chamber 31 by mechanical pump 32, diffusion pump 33.One end connection vacuum chamber of the gas bleeder valve 34
31, the other end is extended to outside vacuum chamber 31；One end connection vacuum chamber 31 of the infrared sensor 36, pressure sensor 37, separately
One end is connected to master controller 5 by PLC35；
The laser generating system includes laser 11, and the laser 11 is connected with laser galvanometer 12, the laser
Galvanometer 12 is fixed on the surface of the vacuum chamber 31, and the lower section of the laser galvanometer 12 also sets up a laser lens 13；
The microwave generation system 2 is connected by waveguide cavity 21 with vacuum chamber 31, and the waveguide cavity 21 connects very
That one end of cavity 31 is provided with microwave lens 22；The model of the horizontal direction microwave in vacuum chamber 31 of microwave generation system 2
Enclose it is adjustable, as auxiliary thermal source to different height workpiece preheat.
The powdering system includes powder storing chamber 41, Powder Recovery chamber 42, workpiece lifting platform 43 and powdering scraper 44, the storage
Have in powder chamber 41 powder lifting platform 45, the powder lifting platform 45 connect electric pushrod with workpiece lifting platform 43 after along upper and lower
To reciprocating motion, the powdering scraper 44 is arranged on outside the opening of powder storing chamber 41, and scrapes powder along left and right directions reciprocating motion；Institute
44 length of powdering scraper is stated more than 41 length of powder storing chamber.44 length of powdering scraper is more than 43 length of workpiece lifting platform.It is described
Powdering system controls powdering height by electric pushrod start and stop difference in height.The start and stop height that the powdering system passes through electric pushrod
Difference control powder supply amount.
Suspension is equipped with an incubation cavity 39, the extreme higher position of the incubation cavity 39 and powder lifting platform 45 in the vacuum chamber 31
Between there are certain height formation allow bit space so that the powdering scraper 44 passes through the bit space that allows；The incubation cavity
39 end is openend, and the workpiece lifting platform 43 is risen up by the opening in incubation cavity；
The vacuum chamber 31 is connected by wave arrestment net 30 with vacuum-pumping tube 38, and the wave arrestment net 30 stops that microwave enters pumping
Vacuum tube 38；The vacuum chamber 31 is connected by laser lens 13 with laser generating system 1, and the vacuum chamber 31 passes through microwave
Lens 22 are connected with microwave generation system 2；The master controller 5 and vacuum system 3, laser generating system 1, microwave system
System 2 and 31 system of vacuum chamber are connected.
The laser 11 is connect with laser galvanometer 12 by light path, and laser is transmitted to vacuum chamber 31 by laser lens 13
Interior work top.
A kind of above-mentioned laser and the compound increasing material manufacturing system of microwave, work step are as follows：
1) three-dimensional part model is imported in master controller 5, three-dimensional part model is layered, plans scanning by master controller 5
Path simultaneously sets initial technological parameter.
2) a certain amount of laser fusion metal powder is placed to powder storing chamber 41；
3) door of vacuum chamber 31 is closed, is vacuumized first with mechanical pump 32, when vacuum degree is less than 0.1Pa, diffusion pump 33
It starts to work, vacuum degree is less than 1x10-3During Pa, the vacuum degree in vacuum chamber 31 meets job requirement；
It 4), can also be to being filled with other gases in vacuum chamber 31 according to actual requirement；
5) powdering system in vacuum chamber 31 is controlled by master controller 5, powdering scraper 44 jacks up powder lifting platform 45
Powder scrape tiling to the left so that powder is laid in the surface of workpiece lifting platform 43, and extra powder enters Powder Recovery chamber
42；
6) workpiece lifting platform 43 rises to microwave action area, utilization is micro- upwards under the action of electric pushrod along incubation cavity 39
Wave preheats workpiece lifting platform 43；
7) it after 43 face temperature of workpiece lifting platform reaches requirement, collects real time information through infrared temperature sensor and is ultimately passed to always
Controller 5；
8) by the control of master controller 5 laser generating system 1, planning information is scanned by path；
9) after the end of scan, laser stops emitting with microwave, and workpiece lifting platform 43 drops to powdering region.Workpiece lifting platform
43 and powdering podium level difference are powder bed height set；
10) (5) step is repeated, until printing is fully completed；
11) vacuum system 3 is stopped, and intracavitary air pressure is made to be restored to ambient pressure by gas bleeder valve 34, opens chamber door and takes
Go out workpiece；
The foregoing is merely present pre-ferred embodiments, therefore the technical scope of the present invention cannot be limited according to this, therefore Fan Yiben
The equivalent changes and modifications that the technical spirit and description of invention are made, in the range of should all belonging to technical solution of the present invention.
Claims (8)
1. a kind of laser and the molding device of microwave Compound Machining, including laser generating system, microwave generation system, vacuum system
System, powdering system and master controller；
The vacuum system includes cylindrical vacuum chamber, mechanical pump, diffusion pump, gas bleeder valve, PLC and infrared sensor, pressure passes
Sensor；The mechanical pump, diffusion pump are connect by vacuum-pumping tube with vacuum chamber；One end connection vacuum chamber of the gas bleeder valve, separately
One end is extended to outside vacuum chamber；One end connection vacuum chamber of the infrared sensor, pressure sensor, the other end are connected by PLC
It is connected to master controller；
The laser generating system includes laser, and the laser is connected with laser galvanometer, and the laser galvanometer is fixed on
The surface of the vacuum chamber also sets up a laser lens below the laser galvanometer；
The microwave generation system is connected by waveguide cavity with vacuum chamber, and that one end of waveguide cavity connection vacuum chamber
It is provided with microwave lens；
The powdering system includes powder storing chamber, Powder Recovery chamber, workpiece lifting platform and powdering scraper, has powder in the powder storing chamber
Lifting platform, the powder lifting platform move back and forth after connecting electric pushrod with workpiece lifting platform along upper and lower directions, the powdering
Scraper is arranged on outside the opening of powder storing chamber, and scrapes powder along left and right directions reciprocating motion；
Suspension is equipped with an incubation cavity in the vacuum chamber, and there are certain between the incubation cavity and the extreme higher position of powder lifting platform
Height formation allow bit space so that the powdering scraper passes through the bit space that allows；The end of the incubation cavity is openend,
The workpiece lifting platform is risen up by the opening in incubation cavity；
The vacuum chamber is connected by wave arrestment net with vacuum-pumping tube, and the wave arrestment net blocking microwave enters vacuum-pumping tube；It is described
Vacuum chamber is connected by laser lens with laser generating system, and the vacuum chamber passes through microwave lens and microwave generation system phase
Connection；The master controller is connected with vacuum system, laser generating system, microwave generation system and vacuum chamber system.
2. a kind of laser and the molding device of microwave Compound Machining according to claim 1, it is characterised in that：The laser
It is connect with laser galvanometer by light path, laser is transmitted to the work top in vacuum chamber by laser lens.
3. a kind of laser and the molding device of microwave Compound Machining according to claim 1, it is characterised in that：The powdering is scraped
Knife length is more than powder storing chamber length.
4. a kind of laser and the molding device of microwave Compound Machining according to claim 3, it is characterised in that：The powdering is scraped
Knife length is more than workpiece lifting platform length.
5. a kind of laser and the molding device of microwave Compound Machining according to claim 1, it is characterised in that：The mechanical pump
With diffusion pump tandem working.
6. a kind of laser and the molding device of microwave Compound Machining according to claim 1, it is characterised in that：The microwave hair
The range of raw system horizontal direction microwave in vacuum chamber is adjustable, and different height workpiece is preheated as auxiliary thermal source.
7. a kind of laser and the molding device of microwave Compound Machining according to claim 1, it is characterised in that：The powdering system
System controls powdering height by electric pushrod start and stop difference in height.
8. a kind of laser and the molding device of microwave Compound Machining according to claim 1, it is characterised in that：The powdering system
System controls powder supply amount by the start and stop difference in height of electric pushrod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810007700.1A CN108161008A (en) | 2018-01-04 | 2018-01-04 | A kind of laser and the molding device of microwave Compound Machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810007700.1A CN108161008A (en) | 2018-01-04 | 2018-01-04 | A kind of laser and the molding device of microwave Compound Machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108161008A true CN108161008A (en) | 2018-06-15 |
Family
ID=62517366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810007700.1A Pending CN108161008A (en) | 2018-01-04 | 2018-01-04 | A kind of laser and the molding device of microwave Compound Machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108161008A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020240180A1 (en) * | 2019-05-31 | 2020-12-03 | Renishaw Plc | Metal powder bed additive manufacturing apparatus and methods |
| CN113733554A (en) * | 2021-08-23 | 2021-12-03 | 华中科技大学 | Method and device for forming high molecular parts by microwave and infrared radiation in composite mode |
| TWI834157B (en) * | 2021-05-14 | 2024-03-01 | 日揚科技股份有限公司 | Processing device and processing method for solid structure |
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| CN103341625A (en) * | 2013-07-10 | 2013-10-09 | 湖南航天工业总公司 | 3D printing manufacturing device and method of metal parts |
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| CN206392865U (en) * | 2017-01-18 | 2017-08-11 | 张远明 | A kind of intelligent laser selective melting former |
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| CN201300207Y (en) * | 2008-10-30 | 2009-09-02 | 华中科技大学 | Selective laser melting rapid molding device for metal parts |
| WO2013080030A1 (en) * | 2011-11-28 | 2013-06-06 | Chivel Yuri | Method for producing three-dimensional articles from powders and apparatus for carrying out said method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020240180A1 (en) * | 2019-05-31 | 2020-12-03 | Renishaw Plc | Metal powder bed additive manufacturing apparatus and methods |
| CN113905839A (en) * | 2019-05-31 | 2022-01-07 | 瑞尼斯豪公司 | Metal powder bed additive manufacturing apparatus and method |
| TWI834157B (en) * | 2021-05-14 | 2024-03-01 | 日揚科技股份有限公司 | Processing device and processing method for solid structure |
| CN113733554A (en) * | 2021-08-23 | 2021-12-03 | 华中科技大学 | Method and device for forming high molecular parts by microwave and infrared radiation in composite mode |
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