CN108526464A - Aluminum alloy thin wall pieces forming method - Google Patents
Aluminum alloy thin wall pieces forming method Download PDFInfo
- Publication number
- CN108526464A CN108526464A CN201810325876.1A CN201810325876A CN108526464A CN 108526464 A CN108526464 A CN 108526464A CN 201810325876 A CN201810325876 A CN 201810325876A CN 108526464 A CN108526464 A CN 108526464A
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- aluminum alloy
- alloy thin
- thin wall
- wall pieces
- laser
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 26
- 241000446313 Lamella Species 0.000 claims abstract description 50
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 76
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 39
- 238000007639 printing Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 238000007711 solidification Methods 0.000 claims description 9
- 230000008023 solidification Effects 0.000 claims description 9
- 238000010146 3D printing Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000000465 moulding Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 108010066278 cabin-4 Proteins 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004033 diameter control Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- 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
- B22F10/36—Process control of energy beam parameters
-
- 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
- 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
-
- 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
- B22F10/36—Process control of energy beam parameters
- B22F10/366—Scanning parameters, e.g. hatch distance or scanning strategy
-
- 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
- B22F12/60—Planarisation devices; Compression devices
- B22F12/63—Rollers
-
- 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 present embodiments relate to metalwork manufacturing fields, disclose a kind of aluminum alloy thin wall pieces forming method, include the following steps：Establish aluminum alloy thin wall pieces model；It is multiple lamellas by aluminum alloy thin wall pieces model decomposition；One 3D printer is provided, according to aluminum alloy thin wall pieces model decomposition at multiple lamellas, formulate 3D printer and correspond to the machining locus of each lamella；It is successively printed with 3D printer, and ultimately forms aluminum alloy thin wall pieces.Aluminum alloy thin wall pieces forming method in the present invention not only solves the problems, such as that aluminum alloy thin wall pieces are difficult to manufacture, and production cost is lower, and the production cycle is shorter.
Description
Technical field
The present embodiments relate to metalwork manufacturing field, more particularly to a kind of aluminum alloy thin wall pieces forming method.
Background technology
In some high-end manufacturing fields, the thin-wall part of some aluminium alloys is usually manufactured, typically by by monoblock aluminium sheet
It is machined to the shape of design, or slice stamping is molded.
Inventor has found, costly by mach mode processing capacity, long processing time, and for aluminium alloy thin-walled
Part easy tos produce deformation, it cannot be guaranteed that the dimensional accuracy of molded part.And corresponding mold is needed by slice stamping molding, mould
Tool expense is generally higher, and is unfavorable for small lot production.
Invention content
Embodiment of the present invention is designed to provide a kind of aluminum alloy thin wall pieces forming method, not only solves aluminium alloy
The problem of being difficult to manufacture of thin-wall part, and production cost is lower, the production cycle is shorter.
In order to solve the above technical problems, embodiments of the present invention provide a kind of aluminum alloy thin wall pieces forming method,
It is characterized in that, includes the following steps：
Establish aluminum alloy thin wall pieces model；
It is multiple lamellas by the aluminum alloy thin wall pieces model decomposition；
There is provided a 3D printer, according to the aluminum alloy thin wall pieces model decomposition at multiple lamellas, formulate the 3D
Printer corresponds to the machining locus of each lamella；
It is successively printed with the 3D printer, and ultimately forms aluminum alloy thin wall pieces.
Embodiment of the present invention in terms of existing technologies, does not use the traditional mode of production aluminium of machining or mould punching
The mode of alloy thin-wall part, and through the following steps that completing the processing of thin-wall part by 3D printer：It establishes aluminium alloy thin-walled
Part model；It is multiple lamellas by aluminum alloy thin wall pieces model decomposition；A 3D printer is provided, according to aluminum alloy thin wall pieces model
The multiple lamellas resolved into formulate the machining locus that 3D printer corresponds to each lamella；It is successively printed with 3D printer,
And ultimately form aluminum alloy thin wall pieces.Due to by model decomposition for multiple lamellas, by 3D printer to each lamella one by one
Printing, aluminum alloy thin wall pieces forming process is a process that printed material is directly translated into thin-wall part, is added with traditional machine
Work carries out punching press difference using material removal or by mold to material, and this mode has well solved aluminum alloy thin wall pieces
The problem of being difficult to be manufactured, and without making mold, production cost is lower, and the production cycle is shorter, is conducive to the life of small lot
Production.
In addition, the 3D printer specifically includes：Powder feeder unit, forming bin, laser galvanometer system；The powder feeder unit is used
In the preset dose according to each lamella to the forming bin provide metal powder, the laser galvanometer system be used for it is described at
The metal powder that lamella is preset in type storehouse carries out selective melting and solidification one by one.This processing method process time is shorter, processing
Expense is relatively low.
In addition, the powder feeder unit specifically includes：For powder cabin, scraper；It is described to be used to place metal powder for powder cabin, it is described
Scraper is used to be layered by default powder thickness is transported to the forming bin by the metal powder.After per complete one layer of melting and solidification,
Forming bin will be transported to for the metal powder of powder cabin by scraper again, it is ensured that each layer of printing precision.
In addition, each layer of default powder thickness is identical, enabling aluminum alloy to thin-wall part being capable of stable molding.
In addition, default powder thickness is 50 microns, each layer of thickness is smaller, the aluminum alloy thin wall pieces of 3D printing aftershaping
Precision is higher.
In addition, the laser galvanometer system specifically includes：Laser, scanning galvanometer；The laser is for controlling laser
Transmitting, the scanning galvanometer is used for the laser reflection that emits the laser to the predeterminated position in the forming bin
The metal powder of default lamella carries out selective melting and solidification one by one.
In addition, the laser power that the laser is sent out when printing the aluminum alloy thin wall pieces outer profile of each lamella is
300W, the outer profile molding effect of aluminum alloy thin wall pieces is preferable under the power；Print the aluminum alloy thin wall pieces profile of each lamella
Laser power when interior entity is 500W, and the molding effect of entity is preferable in the profile of aluminum alloy thin wall pieces under the power.
In addition, the sweep speed of the laser galvanometer system is 600mm/s, and light-dark cycle 0.365mm, Internal periphery amount of bias
For 0.235mm, under the parameter, aluminum alloy thin wall pieces molding effect is more preferable.
In addition, the 3D printer further includes powder recovering device, for recycling metal powder extra in the forming bin
End can prevent the waste of metal powder.
In addition, the 3D printer specifically includes following steps when successively being printed：
The powder feeder unit provides the metal powder of the first lamella into the forming bin；
The laser galvanometer system selectively cures the metal powder of the first lamella in the forming bin；
For the forming bin relative to the galvanometer system to bottom offset, the powder feeder unit provides into the forming bin
The metal powder of two lamellas；
The laser galvanometer system selectively cures the metal powder of the second lamella in the forming bin；
Two above-mentioned steps are repeated, until completing to cure the selectivity of the metal powder of last lamella in forming bin.
Successively printing can ensure each lamella print quality to fortune in this way, to make thin-wall part Forming Quality after molding more
It is high.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in attached drawing, removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is aluminum alloy thin wall pieces forming method particular flow sheet in first embodiment of the invention；
Fig. 2 is the structural schematic diagram of 3D printer in first embodiment of the invention；
Fig. 3 is that 3D printer successively carries out printing particular flow sheet in first embodiment of the invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, in order to make the reader understand this application better, many technical details are proposed.But even if without these technical details
And various changes and modifications based on the following respective embodiments, it can also realize the application technical solution claimed.
The first embodiment of the present invention is related to a kind of aluminum alloy thin wall pieces forming method, detailed process is as shown in Figure 1：
Establish aluminum alloy thin wall pieces model；
It is multiple lamellas by aluminum alloy thin wall pieces model decomposition；
There is provided a 3D printer, according to aluminum alloy thin wall pieces model decomposition at multiple lamellas, formulate 3D printer pair
Answer the machining locus of each lamella；
It is successively printed with 3D printer, and ultimately forms aluminum alloy thin wall pieces.
It should be noted that as shown in Fig. 2, the 3D printer provided specifically includes：Powder feeder unit 1, forming bin 2, laser
Galvanometer system 3.Powder feeder unit 1 is used to provide metal powder, laser galvanometer system to forming bin 2 according to the preset dose of each lamella
System 3 for carrying out selective melting and solidification one by one to the metal powder for presetting lamella in forming bin 2.
It is noted that powder feeder unit 1 specifically includes：For powder cabin 4, scraper 5.For powder cabin 4 for placing metal powder,
This metal powder is aluminium based metal powder, and scraper 5 is used to be layered by default powder thickness is transported to forming bin 2 by metal powder.
Forming bin 2 in this programme and can be with upper and lower displacement for powder cabin 4.
The basic principle of this programme is that laser beam can be navigated to preset position using laser galvanometer system, to its into
The fusing of row powder becomes entity after solidification, after complete one layer of melting and solidification, that is, after a lamella printing, molding
Storehouse 2 can rise one layer, then will be transported to forming bin 2 for the metal powder of powder cabin 4 by scraper 5 to next layer for powder cabin 4,
Continue selective melting, until entire forming parts.Wherein, each layer of default powder thickness is all identical, is 50 microns, thickness
It is smaller, it is ensured that each layer of printing precision, and keep the aluminum alloy thin wall pieces precision of 3D printing aftershaping higher, it may insure simultaneously
Aluminum alloy thin wall pieces being capable of stable molding.
In actual motion, the sweep speed of the laser galvanometer system 3 of 3D printer is set as 600mm/s, light-dark cycle
It is set as 0.365mm, Internal periphery amount of bias is set as 0.235mm, under these Parameter Conditions, aluminum alloy thin wall pieces molding effect
More preferably.
In present embodiment, laser galvanometer system 3 specifically includes：Laser 6, scanning galvanometer 7.Laser 6 is for controlling
The transmitting of laser, the laser reflection that scanning galvanometer 7 is used to emit in laser 6 to predeterminated position is to presetting lamella in forming bin 2
Metal powder carry out selective melting and solidification one by one.Laser 6 is when printing the aluminum alloy thin wall pieces outer profile of each lamella
The laser power sent out is 300W, and the spot diameter that scanning galvanometer 7 can be such that laser focuses under the power is controlled at 100 μm,
The outer profile molding effect of aluminum alloy thin wall pieces is preferable.Swashing when printing the entity in the aluminum alloy thin wall pieces profile of each lamella
Luminous power is 500W, and scanning galvanometer 7 can make the spot diameter control that laser focuses at 150 μm under the power, aluminum alloy thin
The molding effect of entity is preferable in the profile of wall pieces.Can easily print wall thickness by using the parameter in this programme is
0.3mm, the aluminum alloy thin wall pieces 9 that dimensional tolerance is ± 0.05mm.
It, can be with for recycling metal powder extra in forming bin 2 in addition, 3D printer further includes powder recovering device 8
The waste for preventing metal powder, efficiently controls cost.
It should also be noted that, in present embodiment, as shown in figure 3, being specifically included when 3D printer is successively printed
Following steps：
Powder feeder unit 1 provides the metal powder of the first lamella into forming bin 2；
Laser galvanometer system 3 selectively cures the metal powder of the first lamella in forming bin 2；
For forming bin 2 relative to galvanometer system to bottom offset, powder feeder unit 1 provides the metal of the second lamella into forming bin 2
Powder；
Laser galvanometer system 3 selectively cures the metal powder of the second lamella in forming bin 2；
Two above-mentioned steps are repeated, until completing to cure the selectivity of the metal powder of last lamella in forming bin 2.
Successively printing can ensure each lamella print quality to fortune in this way, to make thin-wall part Forming Quality after molding more
It is high.
Thus in terms of existing technologies, the traditional mode of production aluminum alloy thin wall pieces of machining or mould punching are not used
Mode, and through the following steps that by 3D printer complete thin-wall part processing, due to by model decomposition for multiple
Layer, prints each lamella by 3D printer, aluminum alloy thin wall pieces forming process is one and directly turns printed material one by one
The process for becoming thin-wall part, it is different to material progress punching press using material removal or by mold from traditional machining, this
Kind mode has well solved the problem of aluminum alloy thin wall pieces are difficult to be manufactured, and without making mold, production cost is lower,
Production cycle is shorter, is conducive to the production of small lot.
Second embodiment of the present invention is related to a kind of aluminum alloy thin wall pieces forming method.Second embodiment is real with first
It is roughly the same to apply mode, is in place of the main distinction：In the first embodiment, with 3D printer be melted into for laser
The printer of type technology.And in second embodiment of the invention, the 3D printer used is laser sintering and moulding technology
Printer.Specific flow is similar to first embodiment.
Similarly, it is printed with the 3D printer of this form, can equally solve the difficulty of aluminum alloy thin wall pieces
The problem of to manufacture, and compared with the existing technology, production cost is lower, the production cycle is shorter.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of aluminum alloy thin wall pieces forming method, which is characterized in that include the following steps：
Establish aluminum alloy thin wall pieces model；
It is multiple lamellas by the aluminum alloy thin wall pieces model decomposition；
There is provided a 3D printer, according to the aluminum alloy thin wall pieces model decomposition at multiple lamellas, formulate the 3D printing
Machine corresponds to the machining locus of each lamella；
It is successively printed with the 3D printer, and ultimately forms aluminum alloy thin wall pieces.
2. aluminum alloy thin wall pieces forming method according to claim 1, which is characterized in that the 3D printer specifically wraps
It includes：Powder feeder unit, forming bin, laser galvanometer system；The powder feeder unit is used for the preset dose according to each lamella to described
Forming bin provide metal powder, the laser galvanometer system be used for in the forming bin preset lamella metal powder one by one into
Row selectivity melting and solidification.
3. aluminum alloy thin wall pieces forming method according to claim 2, which is characterized in that the powder feeder unit specifically wraps
It includes：For powder cabin, scraper；
It is described to be used to be layered by default powder thickness the metal powder is defeated for placing metal powder, the scraper for powder cabin
It is sent to the forming bin.
4. aluminum alloy thin wall pieces forming method according to claim 3, which is characterized in that each layer of default powder thickness
It is identical.
5. aluminum alloy thin wall pieces forming method according to claim 4, which is characterized in that the default powder thickness is 50
Micron.
6. aluminum alloy thin wall pieces forming method according to claim 2, which is characterized in that the laser galvanometer system is specific
Including：Laser, scanning galvanometer；
The laser is used to control the transmitting of laser, and the laser reflection that the scanning galvanometer is used to emit in the laser is extremely
The predeterminated position carries out selective melting and solidification one by one to the metal powder for presetting lamella in the forming bin.
7. aluminum alloy thin wall pieces forming method according to claim 6, which is characterized in that the laser is each in printing
The laser power sent out when the aluminum alloy thin wall pieces outer profile of lamella is 300W, prints the aluminum alloy thin wall pieces profile of each lamella
Laser power when interior entity is 500W.
8. aluminum alloy thin wall pieces forming method according to claim 2, which is characterized in that the laser galvanometer system is swept
It is 600mm/s to retouch speed, and light-dark cycle 0.365mm, Internal periphery amount of bias is 0.235mm.
9. aluminum alloy thin wall pieces forming method according to claim 2, which is characterized in that the 3D printer further includes powder
Last retracting device, for recycling metal powder extra in the forming bin.
10. aluminum alloy thin wall pieces forming method according to claim 2, which is characterized in that the 3D printer successively into
Following steps are specifically included when row printing：
The powder feeder unit provides the metal powder of the first lamella into the forming bin；
The laser galvanometer system selectively cures the metal powder of the first lamella in the forming bin；
For the forming bin relative to the galvanometer system to bottom offset, the powder feeder unit provides second into the forming bin
The metal powder of layer；
The laser galvanometer system selectively cures the metal powder of the second lamella in the forming bin；
Two above-mentioned steps are repeated, until completing to cure the selectivity of the metal powder of last lamella in forming bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325876.1A CN108526464B (en) | 2018-04-12 | 2018-04-12 | Forming method of aluminum alloy thin-wall part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810325876.1A CN108526464B (en) | 2018-04-12 | 2018-04-12 | Forming method of aluminum alloy thin-wall part |
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| Publication Number | Publication Date |
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| CN108526464A true CN108526464A (en) | 2018-09-14 |
| CN108526464B CN108526464B (en) | 2021-01-12 |
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| CN201810325876.1A Expired - Fee Related CN108526464B (en) | 2018-04-12 | 2018-04-12 | Forming method of aluminum alloy thin-wall part |
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Cited By (2)
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|---|---|---|---|---|
| CN111761064A (en) * | 2020-08-13 | 2020-10-13 | 飞而康快速制造科技有限责任公司 | Additive manufacturing method and additive manufacturing device for selective laser melting for manganese-copper alloy molding |
| CN111957962A (en) * | 2020-08-13 | 2020-11-20 | 飞而康快速制造科技有限责任公司 | Additive manufacturing method and additive manufacturing device for selective laser melting for titanium alloy molding |
| CN111957962B (en) * | 2020-08-13 | 2021-10-29 | 飞而康快速制造科技有限责任公司 | Additive manufacturing method and additive manufacturing device for selective laser melting for titanium alloy molding |
| CN111761064B (en) * | 2020-08-13 | 2022-01-11 | 飞而康快速制造科技有限责任公司 | Additive manufacturing method and additive manufacturing device for selective laser melting for manganese-copper alloy molding |
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