CN109648086A - Metal engrafting method, laser melting equipment based on selective laser fusion technology - Google Patents
Metal engrafting method, laser melting equipment based on selective laser fusion technology Download PDFInfo
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- CN109648086A CN109648086A CN201710937760.9A CN201710937760A CN109648086A CN 109648086 A CN109648086 A CN 109648086A CN 201710937760 A CN201710937760 A CN 201710937760A CN 109648086 A CN109648086 A CN 109648086A
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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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from 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
- 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]
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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
- B22F10/30—Process control
- B22F10/39—Traceability, e.g. incorporating identifier into a workpiece or article
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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
- B22F12/55—Two or more means for feeding material
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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
- 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
- B22F10/32—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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/36—Process control of energy beam parameters
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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
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
-
- 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
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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
- B22F12/70—Gas flow means
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Automation & Control Theory (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Laser Beam Processing (AREA)
Abstract
The embodiment of the invention discloses the metal engrafting methods based on selective laser fusion technology, laser melting equipment, are related to selective laser fusion technology field.The described method includes: obtaining the foundation of part in a manner of mach；The grafted portion of part is grafted by the foundation using selective laser fusion technology；It is described that the grafted portion of part is grafted onto the foundation using selective laser fusion technology includes: to be fixed on the foundation on the processing platform of selective laser fusion apparatus；Position position of the grafted portion in the foundation；It is sintered the faying face of the grafted portion Yu the foundation several times；It is sintered the remaining each layer of the grafted portion.Technical solution disclosed by the embodiments of the present invention is conducive to the shaping efficiency for improving selective laser fusion technology.
Description
Technical field
Technical solution disclosed by the embodiments of the present invention is related to selective laser melting (SLM, Selective Laser
Melting) technical field, more particularly to the metal engrafting method based on selective laser fusion technology, laser melting equipment.
Background technique
Currently, selective laser melting (SLM) technology can the complicated components of straight forming, and molding effect
Fruit is better than other forming techniques such as casting and formings.
Inventor has found during studying the present invention, the shaping efficiency of selective laser fusion technology in the prior art
It is relatively low.
Summary of the invention
Technical solution disclosed by the invention is at least able to solve following technical problem: selective laser melts in the prior art
The shaping efficiency of technology is relatively low.
One or more embodiment of the invention discloses a kind of metal grafting based on selective laser fusion technology
Method, comprising: the foundation of part is obtained in a manner of mach；Using selective laser fusion technology by the grafting of part
Part is grafted onto the foundation；It is described that the grafted portion of part is grafted by the base using selective laser fusion technology
Plinth part includes: to be fixed on the foundation on the processing platform of selective laser fusion apparatus；Position the grafting portion
Divide the position in the foundation；It is sintered the faying face of the grafted portion Yu the foundation several times；Sintering institute
State the remaining each layer of grafted portion.
In one or more embodiment of the invention, the method also includes: shape and structure on part is relatively simple
Single part is as the foundation, using the relative complex part of shape and structure on part as the grafted portion.
In one or more embodiment of the invention, the method also includes: the grafted portion is divided into more
Layer, and with the grafted portion and the faying face of the foundation for the 1st layer, next layer of the faying face is the 2nd layer；
Described 1st layer and described 2nd layer is sintered respectively with 2 to 3 times.
In one or more embodiment of the invention, it is sintered described 1st layer and the 2nd layer of the laser power density
It is 1 to 1.3 times of the laser power density of the sintering grafted portion remainder.
In one or more embodiment of the invention, the method also includes: use is processed in the foundation
In the mark of positioning.
The mark described in one or more embodiment of the invention includes hole, groove.
In one or more embodiment of the invention, the positioning grafted portion is in the foundation
Position includes: the position coordinates for obtaining the grafted portion in the foundation；Described in position coordinates examination sintering
Grafted portion edge contour；The position coordinates are adjusted repeatedly and examination is sintered the grafted portion edge contour, until examination sintering
Obtain the grafted portion edge contour relative to the foundation position precision in preset position precision.
In one or more embodiment of the invention, the method also includes: by loading plate by the basic courses department
Divide and is fixed on the processing platform of the selective laser fusion apparatus.
In one or more embodiment of the invention, the method also includes: it is right after the grafted portion to be sintered
The foundation and the grafted portion carry out destressing heat treatment.
In one or more embodiment of the invention, the method also includes: the foundation and the grafting
Part is provided with machining allowance, reprocesses after being sintered the grafted portion to the foundation and the grafted portion
To improve the machining accuracy of the foundation and the grafted portion.
One or more embodiment of the invention discloses a kind of laser melting equipment, comprising: for load bearing element
Processing platform, the powdering system in the forming cavity, is the molding at the forming cavity being erected above the processing platform
Intracavitary powdering system conveying one or more powder feed system of metal powder and selectivity melt in the forming cavity
Metal powder scanning system.The laser melting equipment is using any one of the above based on selective laser fusion technology
The grafted portion of part is grafted onto foundation by metal engrafting method.
High-order setting protective gas air inlet in one or more embodiment of the invention, in the forming cavity side
Mouthful, protective gas gas outlet is arranged in the low level in the forming cavity other side, melts the mistake of the metal powder in the forming cavity
Then Cheng Zhongrang protective gas is flowed into from the air inlet to flow out from the gas outlet.
In one or more embodiment of the invention, the forming cavity over-assemble has and scanning system cooperation
Laser radiation mirror.
Compared with prior art, technical solution disclosed by the invention mainly have it is following the utility model has the advantages that
In an embodiment of the present invention, it is described based on the metal engrafting method of selective laser fusion technology by being added with machine
The mode of work obtains the foundation of part, and the grafted portion of part is grafted onto the base using selective laser fusion technology
Plinth part.Since the processing efficiency of mach mode is relatively high, the foundation of part can be increased substantially
Processing efficiency.Due to only using selective laser fusion technology to grafted portion, the grafted portion can be sufficiently ensured
Molding effect.By positioning position of the grafted portion in the foundation, so that the selective laser melts
After equipment has been sintered the grafted portion, the grafted portion relative to the foundation position precision in preset position
In precision.By being sintered the faying face of the grafted portion Yu the foundation several times, so that the melting of the faying face
Effect is good, is conducive to improve the fastness connected between the grafted portion and the foundation.It is described to be swashed based on selectivity
The metal engrafting method of light fusion technology has the beneficial effects such as shaping efficiency height, good forming effect, finally improves selectivity
The shaping efficiency of laser melting technology.
Detailed description of the invention
Fig. 1 is the schematic diagram of the metal engrafting method based on selective laser fusion technology in one embodiment of the invention；
Fig. 2 is the working principle diagram of selective laser fusion apparatus in one embodiment of the invention；
Fig. 3 is the part schematic diagram of the metal grafting in one embodiment of the invention based on selective laser fusion technology.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Following claims, specification and Figure of description
In term " first ", " second " etc. be to be not use to describe a particular order for distinguishing different objects.
One embodiment of the invention discloses a kind of metal engrafting method based on selective laser fusion technology, is applied to
The processing and fabricating of metal parts.
With reference to Fig. 1, show for the metal engrafting method based on selective laser fusion technology in one embodiment of the invention
It is intended to.
A kind of metal engrafting method based on selective laser fusion technology, comprising:
Step 1: the foundation of part is obtained in a manner of mach.
Step 2: the grafted portion of part is grafted by the foundation using selective laser fusion technology.
Wherein, step 2 includes:
Step 21: the foundation being fixed on the processing platform of selective laser fusion apparatus.
Step 22: positioning position of the grafted portion in the foundation.
Step 23: being sintered the faying face of the grafted portion Yu the foundation several times.
Step 24: being sintered the remaining each layer of the grafted portion.
In general, using the relatively simple part of shape and structure on part as the foundation, by shape and structure on part
Relative complex part is as the grafted portion.
The metal engrafting method based on selective laser fusion technology in above-described embodiment, by a manner of mach
The foundation for obtaining part, is grafted onto the foundation for the grafted portion of part using selective laser fusion technology.
Since the processing efficiency of mach mode is relatively high, the processing effect of the foundation of part can be increased substantially
Rate.Due to only using selective laser fusion technology to grafted portion, it can sufficiently ensure that the grafted portion is molding
Effect.By positioning position of the grafted portion in the foundation, so that the selective laser fusion apparatus is burnt
After having tied the grafted portion, the grafted portion relative to the foundation position precision in preset position precision
It is interior.By being sintered the faying face of the grafted portion Yu the foundation several times, so that the melting effect of the faying face
It is good, be conducive to improve the fastness connected between the grafted portion and the foundation.Base in through the foregoing embodiment
In the metal engrafting method of selective laser fusion technology, the shaping efficiency of selective laser fusion technology is finally improved.
In a kind of possible embodiment of the embodiment of the present invention, the method also includes: the grafted portion is equal
It is divided into multilayer, and with the grafted portion and the faying face of the foundation for the 1st layer, next layer of the faying face is
2nd layer.Described 1st layer and described 2nd layer is sintered respectively with 2 to 3 times.It is sintered described 1st layer and the 2nd layer of the laser function
Rate density is 1 to 1.3 times of laser power density for being sintered the grafted portion remainder.By described 1st layer and the described 2nd
Layer is sintered respectively with 2 to 3 times, is conducive to the melting effect for improving the faying face.
In a kind of possible embodiment of the embodiment of the present invention, the method also includes: add in the foundation
Work goes out mark used for positioning.The mark includes hole, groove.The grafted portion is being positioned in the foundation
Position can determine position coordinates of the grafted portion in the foundation on the basis of the mark.
In a kind of possible embodiment of the embodiment of the present invention, the positioning grafted portion is in the basic courses department
Position on point includes: the position coordinates for obtaining the grafted portion in the foundation.It tries to burn with the position coordinates
Tie the grafted portion edge contour.The position coordinates are adjusted repeatedly and examination is sintered the grafted portion edge contour, until
Examination sintering obtain the grafted portion edge contour relative to the foundation position precision in preset position precision
It is interior.
In a kind of possible embodiment of the embodiment of the present invention, the method also includes: it will be described by loading plate
Foundation is fixed on the processing platform of the selective laser fusion apparatus.
In a kind of possible embodiment of the embodiment of the present invention, the method also includes: it has been sintered the grafting portion
Destressing heat treatment is carried out to the foundation and the grafted portion after point.Since the grafted portion and institute are completed in sintering
The binding site for stating foundation can generate stress concentration, therefore carry out destressing to the foundation and the grafted portion
Heat treatment is conducive to eliminate the stress concentration that the grafted portion and the foundation are generated in binding site.In the present invention
In a kind of possible embodiment of embodiment, the foundation can be carried out after having machined the foundation
Destressing heat treatment is also beneficial to eliminate the stress concentration that the grafted portion and the foundation are generated in binding site.
In a kind of possible embodiment of the embodiment of the present invention, the method also includes: the foundation and institute
It states grafted portion and is provided with machining allowance, the foundation and the grafted portion are carried out after being sintered the grafted portion
It reprocesses to improve the machining accuracy of the foundation and the grafted portion.
It is molten below in conjunction with the part and a kind of selective laser of a kind of metal grafting of selective laser fusion technology
Melt the technical solution that the present invention is further explained for equipment:
Referring to figs. 2 and 3, wherein Fig. 2 be one embodiment of the invention in selective laser fusion apparatus working principle
Figure, Fig. 3 are the part schematic diagram of the metal grafting in one embodiment of the invention based on selective laser fusion technology.
The selective laser fusion apparatus include: for load bearing element processing platform, be erected at the processing platform
The forming cavity of top, the powdering system in the forming cavity convey metal for the powdering system in the forming cavity
One or more powder feed system of powder and selectivity melt the scanning system of the metal powder in the forming cavity.It is described to swash
Light fusion apparatus is using any one of the above based on the metal engrafting method of selective laser fusion technology by the grafting portion of part
Divide and is grafted onto foundation.
High-order setting protection gas in a kind of possible embodiment of the embodiment of the present invention, in the forming cavity side
Body air inlet, the low level in the forming cavity other side are arranged protective gas gas outlet, melt the metal powder in the forming cavity
It allows protective gas to flow into from the air inlet in the process at end then to flow out from the gas outlet.
In a kind of possible embodiment of the embodiment of the present invention, the forming cavity over-assemble has and the scanning system
The laser radiation mirror of cooperation.
Meaning as shown in Figures 2 and 3, it is molten based on selective laser using described in the selective laser fusion apparatus
The metal engrafting method for melting technology includes: the foundation 102 of part to be fixed on the loading plate 101 (such as by fixed
Position bolt or pin are fixed), then the loading plate 101 is fixed on processing platform (such as it is solid by fixing screws
It is fixed).Position of the grafted portion in the foundation is positioned, so that the selective laser fusion apparatus has been sintered institute
After stating grafted portion, the grafted portion relative to the foundation position precision in preset position precision.Molding
It is intracavitary to have protective gas circulation.Powder feed system positioned at the processing platform two sides is the powdering system conveying in forming cavity
Metal powder.The powdering system will be paved with metal powder to the space of the forming cavity above the processing platform, then sweep
Retouch each layer that system is sintered the grafted portion according to position coordinates of the grafted portion in the foundation.Sintering
The grafted portion 103 of meaning shown in Fig. 3 is obtained after the completion.
It is above-mentioned to be transferred in the selective laser fusion apparatus using the metal based on selective laser fusion technology
It connects method to be only simply broadly described, it is impossible to be used in limit the scope of protection of the present invention.Those skilled in the art should
Solution can be a variety of using the selective laser fusion apparatus of the metal engrafting method based on selective laser fusion technology
Multiplicity.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations.Although
The application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
And these are modified or replaceed, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (13)
1. a kind of metal engrafting method based on selective laser fusion technology characterized by comprising in a manner of mach
Obtain the foundation of part；The grafted portion of part is grafted by the foundation using selective laser fusion technology；
It is described that the grafted portion of part is grafted onto the foundation using selective laser fusion technology includes: by the base
Plinth part is fixed on the processing platform of selective laser fusion apparatus；The grafted portion is positioned in the foundation
Position；It is sintered the faying face of the grafted portion Yu the foundation several times；It is sintered the remaining each layer of the grafted portion.
2. according to claim 1 based on the metal engrafting method of selective laser fusion technology, which is characterized in that by part
The upper relatively simple part of shape and structure is as the foundation, using the relative complex part of shape and structure on part as institute
State grafted portion.
3. according to claim 2 based on the metal engrafting method of selective laser fusion technology, which is characterized in that will be described
Grafted portion is divided into multilayer, and with the grafted portion and the faying face of the foundation for the 1st layer, the faying face
Next layer be the 2nd layer；Described 1st layer and described 2nd layer is sintered respectively with 2 to 3 times.
4. according to claim 3 based on the metal engrafting method of selective laser fusion technology, which is characterized in that sintering institute
State the 1st layer and the 2nd layer of the laser power density be sintered the grafted portion remainder laser power density 1 to
1.3 again.
5. according to claim 2 based on the metal engrafting method of selective laser fusion technology, which is characterized in that described
Foundation processes mark used for positioning.
6. according to claim 5 based on the metal engrafting method of selective laser fusion technology, which is characterized in that the mark
Know includes hole, groove.
7. according to claim 2 based on the metal engrafting method of selective laser fusion technology, which is characterized in that described fixed
The position grafted portion includes: the position for obtaining the grafted portion in the foundation in the position in the foundation
Set coordinate；The grafted portion edge contour is sintered with position coordinates examination；The position coordinates and examination sintering are adjusted repeatedly
The grafted portion edge contour, until the grafted portion edge contour that examination sintering obtains is relative to the foundation
Position precision is in preset position precision.
8. according to claim 2 based on the metal engrafting method of selective laser fusion technology, which is characterized in that by holding
The foundation is fixed on the processing platform of the selective laser fusion apparatus by support plate.
9. according to claim 2 based on the metal engrafting method of selective laser fusion technology, which is characterized in that be sintered
Destressing heat treatment is carried out to the foundation and the grafted portion after the grafted portion.
10. according to claim 2 based on the metal engrafting method of selective laser fusion technology, which is characterized in that described
Foundation and the grafted portion are provided with machining allowance, have been sintered after the grafted portion to the foundation and described
Grafted portion is reprocessed to improve the machining accuracy of the foundation and the grafted portion.
11. a kind of laser melting equipment, comprising: for load bearing element processing platform, be erected above the processing platform
Forming cavity, the powdering system in the forming cavity convey metal powder one for the powdering system in the forming cavity
A or multiple powder feed systems and selectivity melt the scanning system of the metal powder in the forming cavity, which is characterized in that
The laser melting equipment is transferred using the metal based on selective laser fusion technology described in claims 1 to 10 any one
It connects method and the grafted portion of part is grafted onto foundation.
12. laser melting equipment according to claim 11, which is characterized in that the high position setting in the forming cavity side
Protective gas air inlet, the low level in the forming cavity other side are arranged protective gas gas outlet, melt in the forming cavity
It allows protective gas to flow into from the air inlet during metal powder then to flow out from the gas outlet.
13. laser melting equipment according to claim 11 or 12, which is characterized in that the forming cavity over-assemble has and institute
State the laser radiation mirror of scanning system cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937760.9A CN109648086B (en) | 2017-10-10 | 2017-10-10 | Metal grafting method based on selective laser melting technology and laser melting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937760.9A CN109648086B (en) | 2017-10-10 | 2017-10-10 | Metal grafting method based on selective laser melting technology and laser melting equipment |
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| CN109648086A true CN109648086A (en) | 2019-04-19 |
| CN109648086B CN109648086B (en) | 2021-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116117161A (en) * | 2022-12-27 | 2023-05-16 | 江苏徐工工程机械研究院有限公司 | Method for manufacturing metal piece |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1476362A (en) * | 2000-11-27 | 2004-02-18 | �¼��¹�����ѧ | Method and apparatus for creating three-dimensional metal part using high-temp direct laser melting |
| US20070205184A1 (en) * | 2006-01-30 | 2007-09-06 | Jyoti Mazumder | High-speed, ultra precision manufacturing station that combines direct metal deposition and edm |
| CN102825251A (en) * | 2012-08-24 | 2012-12-19 | 华南理工大学 | Method and equipment for manufacturing complex parts based on CCD (charge coupled device) vision positioning |
| DE102011014017B4 (en) * | 2011-03-15 | 2013-06-27 | Lufthansa Technik Ag | Process for the pretreatment of a fiber composite material |
| CN103357874A (en) * | 2008-07-18 | 2013-10-23 | Mtt科技有限公司 | Manufacturing apparatus and method |
| CN104708820A (en) * | 2015-02-12 | 2015-06-17 | 浙江省机电设计研究院有限公司 | Photocuring 3D printing technology-based metal insert resin part rapid manufacturing method |
| CN105598450A (en) * | 2016-02-02 | 2016-05-25 | 陕西天元智能再制造股份有限公司 | Laser three-dimensional profiling repair method for damaged components and parts |
| CN106563804A (en) * | 2016-10-12 | 2017-04-19 | 机械科学研究总院先进制造技术研究中心 | Laser-targeting multi-metal fused deposition additive manufacturing process and device |
| CN106676518A (en) * | 2016-12-25 | 2017-05-17 | 首钢总公司 | Laser remanufacturing method for metal structural part |
-
2017
- 2017-10-10 CN CN201710937760.9A patent/CN109648086B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1476362A (en) * | 2000-11-27 | 2004-02-18 | �¼��¹�����ѧ | Method and apparatus for creating three-dimensional metal part using high-temp direct laser melting |
| US20070205184A1 (en) * | 2006-01-30 | 2007-09-06 | Jyoti Mazumder | High-speed, ultra precision manufacturing station that combines direct metal deposition and edm |
| CN103357874A (en) * | 2008-07-18 | 2013-10-23 | Mtt科技有限公司 | Manufacturing apparatus and method |
| DE102011014017B4 (en) * | 2011-03-15 | 2013-06-27 | Lufthansa Technik Ag | Process for the pretreatment of a fiber composite material |
| CN102825251A (en) * | 2012-08-24 | 2012-12-19 | 华南理工大学 | Method and equipment for manufacturing complex parts based on CCD (charge coupled device) vision positioning |
| CN104708820A (en) * | 2015-02-12 | 2015-06-17 | 浙江省机电设计研究院有限公司 | Photocuring 3D printing technology-based metal insert resin part rapid manufacturing method |
| CN105598450A (en) * | 2016-02-02 | 2016-05-25 | 陕西天元智能再制造股份有限公司 | Laser three-dimensional profiling repair method for damaged components and parts |
| CN106563804A (en) * | 2016-10-12 | 2017-04-19 | 机械科学研究总院先进制造技术研究中心 | Laser-targeting multi-metal fused deposition additive manufacturing process and device |
| CN106676518A (en) * | 2016-12-25 | 2017-05-17 | 首钢总公司 | Laser remanufacturing method for metal structural part |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116117161A (en) * | 2022-12-27 | 2023-05-16 | 江苏徐工工程机械研究院有限公司 | Method for manufacturing metal piece |
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