CN109128169A - A kind of large size high-performance metal part Direct Laser Fabrication Technology - Google Patents
A kind of large size high-performance metal part Direct Laser Fabrication Technology Download PDFInfo
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- CN109128169A CN109128169A CN201811201061.9A CN201811201061A CN109128169A CN 109128169 A CN109128169 A CN 109128169A CN 201811201061 A CN201811201061 A CN 201811201061A CN 109128169 A CN109128169 A CN 109128169A
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- laser
- powder
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- induction coil
- shaping
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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
- 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
- B22F12/10—Auxiliary heating means
- B22F12/13—Auxiliary heating means to preheat the material
-
- 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
- B22F12/53—Nozzles
-
- 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
- B22F12/80—Plants, production lines or modules
- B22F12/82—Combination of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/86—Serial processing with multiple devices grouped
-
- 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
-
- 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
- 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]
-
- 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]
-
- 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 discloses a kind of large-scale high-performance metal part Direct Laser Fabrication Technologies, including laser, control panel and regulating device；By increasing laser power, under the control of control panel, the size of molding space is adjusted, by regulating device to realize the direct manufacture of large-scale high-performance metal part；Specifically includes the following steps: by the model cutting of large scale components to be manufactured at multiple sub- part models in predetermined size range；Based on the multiple sub- part model, the machine-shaping of each sub- part is completed by increasing material manufacturing；Each sub- part engagement is fixed together and is shaped to large scale components.The present invention solves the problems, such as that compact dimensions are small by increasing the power of laser, the size of control panel, adjustment molding space；Have the advantage that one-pass molding, it is time saving and energy saving efficient；One-pass molding is simultaneously more secure by the intensity of laser sintering technology sintering；It is at low cost, reduce repetitive operation；One-time formed not have gap, appearance is more beautiful.
Description
Technical field
The present invention relates to the processing technique field of large scale components, more particularly to a kind of large-scale high-performance gold
Belong to part Direct Laser Fabrication Technology.
Background technique
All there are larger-size components in numerous areas, conventionally manufactured mode be by large-sized processing equipment manufacture or
Multiple components are split as in design and technique is to subtract material manufacture, and basis material is mainly plastics, metal etc., is passed
System is by subtracting the limitation of large scale components that material manufacturing method is process by large scale equipment, or limits designer and exist
Early period is freely designed components.And the mode of increasing material manufacturing has broken the limitation of component structural form in traditional design,
It can satisfy the process requirements of random appearance and size, but due to the limitation of 3D printing technique, can not manufacture satisfaction at present
The equipment that various large scale components straight formings require, which also limits the manufactures of large scale components in each field.
Currently, the molding of metal 3D printer is all less than normal on the market, melt the maximum molding ruler of moulding process with SLM laser
It is very little in 750mmX750mmX500mm or so, or≤750mmX750mmX500mm.Restrict certain massive castings, aerospace
The increasing material manufacturing of component.
Therefore, how to provide a kind of has the characteristics that high-efficient, good, at low cost, good appearance the large-scale high-performance of intensity
The problem of metal parts Direct Laser Fabrication Technology is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, having the characteristics that high-efficient, intensity is good, at low cost, good appearance big the present invention provides a kind of
Type high-performance metal part Direct Laser Fabrication Technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of large size high-performance metal part Direct Laser Fabrication Technology characterized by comprising laser, control panel and
Regulating device；By increasing the power of laser, under the control of control panel, the big of molding space is adjusted by regulating device
It is small, to realize the direct manufacture of large-scale high-performance metal part；Specifically includes the following steps: (1) is by large scale zero to be manufactured
The model cutting of component is at multiple sub- part models in predetermined size range；(2) it is based on the multiple sub- part model,
The machine-shaping of each sub- part is completed by increasing material manufacturing；(3) each sub- part engagement is fixed together and is shaped to large scale zero
Component.
Preferably, in a kind of above-mentioned large-scale high-performance metal part Direct Laser Fabrication Technology, the step (2) plus
Work molding include powdering, laser sintered, welding, synusia fusion cyclic process, when processing, will corresponding same incision difference
The setting of part interface forming part is within the scope of predeterminated level and in predetermined altitude range；Preferably, predeterminated level range and pre-
Determine altitude range are as follows: the direction XY distance is in 2mm~30mm, in Z-direction in 0~20mm of difference in height；Preferably, correspondence is same
Same layer material machine-shaping of the different sub- part interface positions of notch in 3D printing.
Preferably, in a kind of above-mentioned large-scale high-performance metal part Direct Laser Fabrication Technology, the step (2) plus
Work molding include powdering, laser sintered, welding, synusia fusion cyclic process, in step (2), when processing, to metal material
Sintering implements the preheating for making it obtain setting preheating temperature to material before melting processing.
Preferably, in a kind of above-mentioned large-scale high-performance metal part Direct Laser Fabrication Technology, the metal powder is used
It is formed in 3 D-printing, it is desirable that the fusing point of the metal powder is not higher than the fusing point of shaping substrate, and has high frequency or medium frequency electric
Field inductive loop heating effect；The metal powder induction melting molding array board includes being combined to constitute by several powder-feeding nozzles
Parallel nozzle array and induction coil, the induction coil is that radio-frequency induction coil or Medium frequency induction coil, induction coil are
It is multiple, it is desirable that its number is equal with the number of powder-feeding nozzle, and each induction coil is fixed at each correspondingly respectively
The exit end of powder-feeding nozzle, so that the magnetic field center of induction coil is located on the exit end central axis of powder-feeding nozzle；It is described to send
The outer pars intramuralis of powder nozzle and the inside of induction coil are provided with cooling water circulation channel；Spray is provided on the powder-feeding nozzle
Valve is penetrated, by controlling the closing and opening of injection valve, that is, may control whether metal injection powder.
Preferably, described in step (2) in a kind of above-mentioned large-scale high-performance metal part Direct Laser Fabrication Technology
Machine-shaping is using fused deposition technology (FDM), electron beam melting (EBM), laser near-net-shape (LENS), selectivity
Any increasing material manufacturing method in laser sintered (SLS), direct metal powder sintered (DMLS), three dimensional printing (3DP).
It can be seen via above technical scheme that compared with prior art, the invention has the following advantages that
1, can one-pass molding, reduce repetitive operation, it is at low cost；
2, manufacturing speed is fast, greatly reduces the input cost of manufacturing cost and equipment, reduces Production Time；
3, widely used, it can be used for aerospace field fast custom large titanium alloy, cobalt magnesium alloy, powder of stainless steel model,
It can be especially useful for the verifying of large product design phase；
4, beautiful, repeatedly molding by welding, it is laser sintered that there are traces, one-time formed not have gap, appearance is more beautiful；
5, one-pass molding is more molding than repeatedly, and the intensity being sintered by laser sintering technology is more secure；
6, one-pass molding than repeatedly forming, repeatedly it is laser sintered, multiple welding it is time saving and energy saving efficiently.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Have the characteristics that high-efficient, intensity is good, at low cost, good appearance large-scale high the embodiment of the invention discloses a kind of
Function metals part Direct Laser Fabrication Technology.
A kind of large-scale high-performance metal part Direct Laser Fabrication Technology disclosed by the invention is please referred to, is specifically included:
Laser, control panel and regulating device；Power by increasing laser passes through tune under the control of control panel
Regulating device adjusts the size of molding space, to realize the direct manufacture of large-scale high-performance metal part；Specifically includes the following steps:
(1), by the model cutting of large scale components to be manufactured at multiple sub- part models in predetermined size range；(2) base
In the multiple sub- part model, the machine-shaping of each sub- part is completed by increasing material manufacturing；(3) each sub- part engagement is fixed
It is shaped to large scale components together.
In order to further optimize the above technical scheme, the machine-shaping of step (2) include powdering, it is laser sintered, welding,
When processing, the sub- part interface forming parts of difference of corresponding same incision are arranged in predetermined water for the cyclic process of synusia fusion
In flat range and in predetermined altitude range；Preferably, predeterminated level range and predetermined altitude range are as follows: the direction XY distance is 2mm
In~30mm, in Z-direction in 0~20mm of difference in height；Preferably, the different sub- part interfaces position of corresponding same incision is in 3D
The same layer material machine-shaping of printing.
In order to further optimize the above technical scheme, the machine-shaping of step (2) includes powdering, laser sintered, welding, layer
The cyclic process of piece fusion, in step (2), when processing, metal material is sintered melt processing before obtain it material implementation
The preheating of preheating temperature must be set.
In order to further optimize the above technical scheme, metal powder is formed for 3 D-printing, it is desirable that the metal powder
Fusing point be not higher than shaping substrate fusing point, and have high frequency or intermediate frequency electric field inductive loop heating effect；The metal powder
It includes that the parallel nozzle array and induction coil constituted, the sense are combined by several powder-feeding nozzles that induction melting, which forms array board,
Answering coil is radio-frequency induction coil or Medium frequency induction coil, and induction coil is multiple, it is desirable that the number of its number and powder-feeding nozzle
Equal, each induction coil is fixed at the exit end of each powder-feeding nozzle correspondingly respectively, so that induction coil
Magnetic field center is located on the exit end central axis of powder-feeding nozzle；The outer pars intramuralis of the powder-feeding nozzle and the inside of induction coil
It is provided with cooling water circulation channel；Be provided with injection valve on the powder-feeding nozzle, by control injection valve closing with
It opens, that is, may control whether metal injection powder.
In order to further optimize the above technical scheme, in step (2), the machine-shaping is using fused deposition technology
(FDM), electron beam melting (EBM), laser near-net-shape (LENS), selective laser sintering (SLS), direct metal powder
Any increasing material manufacturing method in sintering (DMLS), three dimensional printing (3DP).
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of large size high-performance metal part Direct Laser Fabrication Technology characterized by comprising laser, control panel
And regulating device；By increasing the power of laser, under the control of control panel, molding space is adjusted by regulating device
Size, to realize the direct manufacture of large-scale high-performance metal part；Specifically includes the following steps: (1) is by large scale to be manufactured
The model cutting of components is at multiple sub- part models in predetermined size range；(2) it is based on the multiple sub- part mould
Type completes the machine-shaping of each sub- part by increasing material manufacturing；(3) each sub- part engagement is fixed together and is shaped to large scale
Components.
2. a kind of large-scale high-performance metal part Direct Laser Fabrication Technology according to claim 1, which is characterized in that institute
State step (2) machine-shaping include powdering, laser sintered, welding, synusia fusion cyclic process will be corresponding same when processing
The sub- part interface forming part setting of the difference of a kerf is within the scope of predeterminated level and in predetermined altitude range；Preferably, in advance
Determine horizontal extent and predetermined altitude range are as follows: the direction XY distance is in 2mm~30mm, in Z-direction in 0~20mm of difference in height；It is excellent
Choosing, correspond to same layer material machine-shaping of the different sub- part interface positions in 3D printing of same incision.
3. a kind of large-scale high-performance metal part Direct Laser Fabrication Technology according to claim 1, which is characterized in that institute
State step (2) machine-shaping include powdering, laser sintered, welding, synusia fusion cyclic process, in step (2), processing
When, melt the preceding preheating for implementing that it is made to obtain setting preheating temperature to material of processing being sintered to metal material.
4. a kind of large-scale high-performance metal part Direct Laser Fabrication Technology according to claim 3, which is characterized in that institute
It states metal powder to form for 3 D-printing, it is desirable that the fusing point of the metal powder is not higher than the fusing point of shaping substrate, and has
High frequency or intermediate frequency electric field inductive loop heating effect；The metal powder induction melting molding array board includes by several powder feedings
The parallel nozzle array and induction coil that Nozzle combination is constituted, the induction coil are radio-frequency induction coil or Medium frequency induction line
Circle, induction coil are multiple, it is desirable that its number is equal with the number of powder-feeding nozzle, and each induction coil is one-to-one solid respectively
The exit end of each powder-feeding nozzle is set calmly, so that the magnetic field center of induction coil is located at the exit end central axis of powder-feeding nozzle
On line；The outer pars intramuralis of the powder-feeding nozzle and the inside of induction coil are provided with cooling water circulation channel；The powder feeding spray
It is provided with injection valve on mouth, by controlling the closing and opening of injection valve, that is, may control whether metal injection powder.
5. a kind of large-scale high-performance metal part Direct Laser Fabrication Technology according to claim 1, which is characterized in that step
Suddenly in (2), the machine-shaping is using fused deposition technology (FDM), electron beam melting (EBM), laser near-net-shape
(LENS), any one of selective laser sintering (SLS), direct metal powder sintered (DMLS), three dimensional printing (3DP)
Increasing material manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201061.9A CN109128169A (en) | 2018-10-16 | 2018-10-16 | A kind of large size high-performance metal part Direct Laser Fabrication Technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811201061.9A CN109128169A (en) | 2018-10-16 | 2018-10-16 | A kind of large size high-performance metal part Direct Laser Fabrication Technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508918A (en) * | 2019-09-06 | 2019-11-29 | 中国航空制造技术研究院 | A kind of electron beam increases fuse material manufacturing device and method |
| CN111001808A (en) * | 2019-09-29 | 2020-04-14 | 南京中科煜宸激光技术有限公司 | Composite additive manufacturing method of large-size In718 high-temperature alloy component |
| CN111086233A (en) * | 2019-12-25 | 2020-05-01 | 中国航空工业集团公司西安飞机设计研究所 | 3D printing, splicing and forming method |
| CN113290254A (en) * | 2021-07-25 | 2021-08-24 | 北京煜鼎增材制造研究院有限公司 | Composite manufacturing method of metal part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111086233A (en) * | 2019-12-25 | 2020-05-01 | 中国航空工业集团公司西安飞机设计研究所 | 3D printing, splicing and forming method |
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