CN108500266A - 7000 line aluminium alloy increasing material manufacturing method and system - Google Patents
7000 line aluminium alloy increasing material manufacturing method and system Download PDFInfo
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- CN108500266A CN108500266A CN201810356248.XA CN201810356248A CN108500266A CN 108500266 A CN108500266 A CN 108500266A CN 201810356248 A CN201810356248 A CN 201810356248A CN 108500266 A CN108500266 A CN 108500266A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/22—Driving means
- B22F12/222—Driving means for motion along a direction orthogonal to the plane of a layer
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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
- B22F12/22—Driving means
- B22F12/224—Driving means for motion along a direction within the plane of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
- B22F12/43—Radiation means characterised by the type, e.g. laser or electron beam pulsed; frequency modulated
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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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
- B22F10/22—Direct deposition of molten metal
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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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Abstract
The present invention is suitable for metal parts processing technique field, provide a kind of 7000 line aluminium alloy increasing material manufacturing method and system, it uses laser and indirect arc as the heating source of silk material in this method, laser and the respective advantage of indirect arc can be given full play to, while taking into account low_input_power and high deposition rate；Simultaneously using heterogeneous three 7000 line aluminium alloys of synthesis in this method, it is difficult not only to solve the problems, such as prepared by 7000 line aluminium alloy silk material shape raw material, also makes up using the low drawback of powdery starting material forming efficiency.
Description
Technical field
The invention belongs to metal parts processing technique field, more particularly to a kind of 7000 line aluminium alloy increasing material manufacturing methods and
System.
Background technology
Increasing material manufacturing is commonly called as 3D printing, is to have merged CAD, material processing and forming technique, with digital mould
Based on type file, by software and digital control system by dedicated metal material, nonmetallic materials and biomaterial for medical purpose, press
It is successively accumulated according to modes such as extruding, sintering, melting, photocuring, injections, produces the manufacturing technology of physical item.Relative to biography
It is system, different to the cooked mode of raw material removal-cutting, assembling, it is a kind of manufacture that " from bottom to top " passes through material addition
Method, from scratch.This made the past be constrained by conventionally manufactured mode, and the complex structural member manufacture that cannot achieve becomes
It may.
With the fast development of advanced manufacturing technology, continue to bring out out using laser, electron beam, electric arc as heat source
Metal increasing material manufacturing method, these methods have wide in fields such as aerospace, biomedicine, derived energy chemical, minute manufacturings
Application prospect, but the above method apply have the shortcomings that in 7000 line aluminium alloy increasing material manufacturing it is apparent：If raw material uses
Powder, deposition efficiency are low；Using silk material, 7000 line aluminium alloys are difficult since its superpower mechanical property causes its silk material to prepare.
Invention content
In view of this, an embodiment of the present invention provides a kind of 7000 line aluminium alloy increasing material manufacturing method and system, to solve
Raw material prepares the difficult problem low with deposition efficiency in the prior art.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of 7000 line aluminium alloy increasing material manufacturings
Method includes the following steps：
Geometrical model is established for the metal parts to be made, and be layered discrete；
Heterogeneous mariages is separately connected to two electrodes of indirect arc power supply, indirect arc is formed between heterogeneous mariages；
Make the heterogeneous mariages melt to form molten drop using indirect arc energy, steaming is generated using pulsed laser irradiation molten drop
Sending out recoil strength assists the droplet transfer to molten bath；
Third silk and mixed-powder are sent into molten bath using silk powder coaxial device, the heterogeneous mariages melts the molten drop to be formed
It is mixed in molten bath with third silk and realizes that the ingredient of 7000 line aluminium alloys is constituted, mixed-powder shape on 7000 line aluminium alloy melts
At ceramic particle, ceramic particle promotes formation and the crystal grain refinement of equiax crystal in the process of setting of molten bath, until this solid position
Solidification forming；
Three-dimensional motion mechanism is along next solid position of XY horizontal motions to workpiece, until metal wire material forms in
The solid position of this in workpiece layer whole；
Three-dimensional motion mechanism moves a floor height along Z-direction, until metal wire material forms in each solid position of layer in workpiece
On, it is piled into an entity；
The base material for removing solid bottom, obtains 7000 line aluminium alloy increasing material manufacturing parts of equiaxed grain structure.
Further, the heterogeneous mariages is a diameter of 1.2 millimeters 2219 aluminium alloy silk materials and 1.2 millimeters a diameter of
5183 aluminium alloy silk materials.
Further, the wire feed rate of the heterogeneous mariages is 0.1-15 ms/min.
Further, the mixed-powder is the titanium valve and boron carbide powder of 200 mesh.
Further, the third silk is the zinc silk material of 0.8 millimeter of diameter.
Further, the wire feed rate of the third silk is 0.1-15 ms/min.
Further, the powder feed rate of the mixed-powder is 0-50 gram/minutes.
Further, the indirect arc electric power outputting current is square wave current, and peak point current is 20-300 amperes.
Further, the ceramic particle is TiB2Ceramic particle and TiC ceramic particles.
A kind of 7000 line aluminium alloy increasing material manufacturing systems, including heterogeneous mariages, indirect arc power supply, wire feeder, silk powder
Coaxial feeder, laser, three-dimensional motion control system and base material, the heterogeneous mariages are separately connected the indirect arc electricity
Two electrodes in source, the heterogeneous mariages and the coaxial feeder of the silk powder are respectively positioned on the top of the base material, described heterogeneous
Mariages is mounted in the wire feeder, and the indirect arc power supply, the laser, the wire feeder and the silk powder are same
Axis feeder is all connected with the three-dimensional motion device.
It is using advantageous effect caused by above-mentioned technical proposal：The present invention is by designing a kind of 7000 line aluminium alloys increasing
Material manufacturing method uses laser and indirect arc as the heating source of silk material in this method, can give full play to laser and Indirect Electro
The respective advantage of arc, while taking into account low_input_power and high deposition rate；The use of heterogeneous three synthesis 7000 is simultaneously aluminium in this method
It is difficult not only to solve the problems, such as prepared by 7000 line aluminium alloy silk material shape raw material, also makes up using powdered former material for alloy
Expect the low drawback of forming efficiency.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the logical flow chart of 7000 line aluminium alloy increasing material manufacturing method provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of 7000 line aluminium alloy increasing material manufacturing system provided in an embodiment of the present invention.
In figure：1, heterogeneous mariages；2, indirect arc power supply；3, three-dimensional motion control system；4, laser；5, silk powder is coaxial
Feeder；6, base material；7, molten drop；8, molten bath.
Specific implementation mode
In being described below, for illustration and not for limitation, it is proposed that such as tool of particular system structure, technology etc
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
As shown in Figure 1, for the logical flow chart of 7000 line aluminium alloy increasing material manufacturing method provided in an embodiment of the present invention,
7000 line aluminium alloy increasing material manufacturing methods, include the following steps：
Step S101 establishes geometrical model for the metal parts to be made, and be layered discrete.
Heterogeneous mariages 1 is separately connected two electrodes of indirect arc power supply 2, is formed between heterogeneous mariages 1 by step S102
Indirect arc.
Step S103 makes the fusing of heterogeneous mariages 1 form molten drop 7 using indirect arc energy, molten using pulsed laser irradiation
Drop 7 generates evaporation recoil strength auxiliary molten drop 7 and transits to molten bath 8.
Third silk and mixed-powder are sent into molten bath 8 by step S104 using silk powder coaxial device, and heterogeneous mariages 1 melts shape
At molten drop 7 and third silk mixed in molten bath 8 realize 7000 line aluminium alloys ingredient constitute, mixed-powder 7000 be aluminium close
Ceramic particle is formed on golden melt, ceramic particle promotes formation and the crystal grain refinement of equiax crystal in 8 process of setting of molten bath, until
This solid position solidification forming.
Step S105, three-dimensional motion mechanism is along next solid position of XY horizontal motions to workpiece, until metal
Silk material forms in the solid position of this in workpiece layer whole.
Step S106, three-dimensional motion mechanism move a floor height along Z-direction, until metal wire material forms in each layer in workpiece
On solid position, it is piled into an entity.
Step S107 removes the base material 6 of solid bottom, obtains 7000 line aluminium alloy increasing material manufacturings zero of equiaxed grain structure
Part.
This method has the following advantages compared with the prior art：
(1) composite heat power supply of comparing laser and conventional arc, it is compound as metal wire material using laser and indirect arc
Heating source can give full play to laser and the respective advantage of indirect arc, while take into account low_input_power and high deposition rate.
(2) using heterogeneous three 7000 line aluminium alloys of synthesis, 7000 line aluminium alloy silk material shape raw material are solved not only
Difficult problem is prepared, is also made up using the low drawback of powdery starting material forming efficiency.
(3) ceramic particle is formed on aluminium alloy melt using mixed-powder, can promote equiaxed grain structure in process of setting
Formation and crystal grain refinement.
As shown in Fig. 2, for the structural schematic diagram of 7000 line aluminium alloy increasing material manufacturing system provided in an embodiment of the present invention,
7000 line aluminium alloy increasing material manufacturing systems include heterogeneous mariages 1, indirect arc power supply 2, wire feeder, the coaxial feeder of silk powder
5, laser 4, three-dimensional motion control system 3 and base material 6, heterogeneous mariages 1 are separately connected two electrodes of indirect arc power supply 2,
Heterogeneous mariages 1 and the coaxial feeder of silk powder 5 are respectively positioned on the top of base material 6, and heterogeneous mariages 1 is mounted in wire feeder, indirectly
Arc power 2, laser 4, wire feeder and the coaxial feeder of silk powder 5 are all connected with three-dimensional motion device.It is heterogeneous double when work
Silk 1 forms therebetween indirect arc and heterogeneous mariages 1 is formed molten drop 7, laser 4 irradiates due to connecting indirect arc power supply 2
Molten drop 7 generates evaporation recoil strength auxiliary molten drop 7 and transits to molten bath 8, and the coaxial feeder of silk powder 5 send third silk and mixed-powder
Into molten bath 8, molten drop 7 and third silk that heterogeneous mariages 1 is formed form the ingredient composition of 7000 line aluminium alloys, mixing in molten bath 8
Powder forms ceramic particle on 7000 line aluminium alloys.Then three-dimensional motion control system 3 controls three-dimensional motion mechanism according to setting
Fixed coordinate carries out movement and ultimately forms 7000 line aluminium alloy parts.
It is that aluminium closes that 7000 line aluminium alloy increasing material manufacturing systems of the invention carry out 7000 using laser-indirect arc composite heat power supply
The making of metal working part can give full play to laser and the respective advantage of indirect arc, while take into account low_input_power and high deposition rate；Together
When using heterogeneous three 7000 line aluminium alloys of synthesis, not only solve 7000 line aluminium alloy silk material shape raw material prepare it is difficult
Problem also makes up using the low drawback of powdery starting material forming efficiency.
In one embodiment of the present of invention, the wire feed rate of heterogeneous mariages 1 is 0.1-15 ms/min, the wire feed of third silk
Speed is 0.1-15 ms/min, and the powder feed rate of mixed-powder is 0-50 gram/minutes.Wire feed rate, the third of heterogeneous mariages 1
Silk wire feed rate and powder feed rate are adjustable, and the setting of speed is carried out according to the model of 7000 line aluminium alloys of practical specific production,
Ingredient to meet 7000 line aluminium alloys is constituted.
In one embodiment of the present of invention, mixed-powder is the titanium valve and boron carbide powder of 200 mesh.Titanium valve and boron carbide powder exist
TiB is formed on 7000 line aluminium alloy melts2Ceramic particle and TiC ceramic particles, can promote equiaxed grain structure in process of setting
Formation and crystal grain refinement.
A 7050 aluminium alloy increasing material manufacturing processes of production are set forth below to illustrate：
(1) geometrical model is established to the metal parts to be made, and be layered discrete；It is completed by the software in computer
The slicing treatment of product model controls three-dimensional motion control system 3 after generating each layer data of product.
(2) the 2219 aluminium alloy silk materials of 1 a diameter of 1.2mm of heterogeneous mariages and 5183 aluminium alloy silk materials are separately connected indirectly
Two electrodes of arc power 2 form indirect arc between heterogeneous mariages 1, use current amplitude for 100A, 2219 aluminum-alloy wires
Material wire feed rate is 2.1m/min, 5183 aluminium alloy silk material wire feed rate 3.4m/min.
(3) so that the fusing of heterogeneous mariages 1 is formed molten drop 7 using the energy of indirect arc, pulse is generated using optical fiber laser 4
Laser irradiation molten drop 7 generates evaporation recoil strength auxiliary molten drop 7 and transits to molten bath 8, pulse laser frequency 30Hz, power 1000W.
(4) utilize silk powder coaxial device by third silk (Zn silk materials) and mixed-powder (Ti and B4C it) is sent into molten bath 8, it is heterogeneous
The molten drop 7 that the fusing of mariages 1 is formed realizes that the ingredient of 7000 line aluminium alloys (Al-Zn-Mg-Cu) is constituted with Zn silk materials in molten bath 8,
Ti and B4C powder forms TiB on aluminium alloy melt2Ceramic particle and TiC ceramic particles, Zn silk material wires feed rate are 0.6m/
Min, Ti and B4C powder powder feed rates are 5g/min, TiB2Ceramic particle and TiC ceramic particles promote in 8 process of setting of molten bath
The formation of equiax crystal and crystal grain refinement, until this solid position solidification forming.
(5) three-dimensional motion mechanism 10 is along next solid position of XY horizontal motions to part, until metal wire material
Form in the solid position of this in part layer whole.
(6) three-dimensional motion mechanism 10 moves a floor height along Z-direction, until to form in each layer in part solid for metal wire material
On position, it is piled into an entity.
(7) base material 6 for removing solid bottom, obtains 7050 aluminium alloy increasing material manufacturing parts of equiaxed grain structure.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to aforementioned reality
Applying example, invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each
Technical solution recorded in embodiment is modified or equivalent replacement of some of the technical features；And these are changed
Or replace, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of 7000 line aluminium alloy increasing material manufacturing methods, which is characterized in that include the following steps：
Geometrical model is established for the metal parts to be made, and be layered discrete；
Heterogeneous mariages is separately connected to two electrodes of indirect arc power supply, indirect arc is formed between heterogeneous mariages；
The heterogeneous mariages is set to melt to form molten drop using indirect arc energy, it is anti-to generate evaporation using pulsed laser irradiation molten drop
Impulse force assists the droplet transfer to molten bath；
Third silk and mixed-powder are sent into molten bath using silk powder coaxial device, the heterogeneous mariages melts the molten drop to be formed and the
The ingredient of three 7000 line aluminium alloys of mixing realization in molten bath is constituted, and mixed-powder forms pottery on 7000 line aluminium alloy melts
Porcelain particle, ceramic particle promote formation and the crystal grain refinement of equiax crystal in the process of setting of molten bath, until this solid position solidification
Forming；
Three-dimensional motion mechanism is along next solid position of XY horizontal motions to workpiece, until metal wire material forms in workpiece
The solid position of middle layer whole；
Three-dimensional motion mechanism moves a floor height along Z-direction, until metal wire material forms in workpiece on each solid position of layer, heap
Product is at an entity；
The base material for removing solid bottom, obtains 7000 line aluminium alloy increasing material manufacturing parts of equiaxed grain structure.
2. 7000 line aluminium alloy increasing material manufacturing method according to claim 1, which is characterized in that the heterogeneous mariages is straight
The 2219 aluminium alloy silk materials and a diameter of 1.2 millimeters of 5183 aluminium alloy silk materials that diameter is 1.2 millimeters.
3. 7000 line aluminium alloy increasing material manufacturing method according to claim 1, which is characterized in that the heterogeneous mariages is sent
Silk speed is 0.1-15 ms/min.
4. 7000 line aluminium alloy increasing material manufacturing method according to claim 1, which is characterized in that the mixed-powder is
The titanium valve and boron carbide powder of 200 mesh.
5. 7000 line aluminium alloy increasing material manufacturing method according to claim 1, which is characterized in that the third silk is diameter
0.8 millimeter of zinc silk material.
6. 7000 line aluminium alloy increasing material manufacturing method according to claim 1, which is characterized in that the wire feed of the third silk
Speed is 0.1-15 ms/min.
7. 7000 line aluminium alloy increasing material manufacturing method according to claim 1, which is characterized in that the mixed-powder is sent
Powder speed is 0-50 gram/minutes.
8. 7000 line aluminium alloy increasing material manufacturing method according to claim 1, which is characterized in that the indirect arc power supply
Output current is square wave current, and peak point current is 20-300 amperes.
9. 7000 line aluminium alloy increasing material manufacturing method according to claim 1, which is characterized in that the ceramic particle is
TiB2Ceramic particle and TiC ceramic particles.
10. a kind of 7000 line aluminium alloy increasing material manufacturing systems, which is characterized in that including heterogeneous mariages, indirect arc power supply, wire feed
The coaxial feeder of device, silk powder, laser, three-dimensional motion control system and base material, the heterogeneous mariages are separately connected described
Two electrodes of indirect arc power supply, the heterogeneous mariages and the coaxial feeder of the silk powder are respectively positioned on the upper of the base material
Portion, the heterogeneous mariages are mounted in the wire feeder, the indirect arc power supply, the laser, the wire feeder
It is all connected with the three-dimensional motion device with the coaxial feeder of the silk powder.
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Cited By (10)
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| CN108994459A (en) * | 2018-09-21 | 2018-12-14 | 长春理工大学 | The compound heterogeneous increasing material manufacturing system and method for gear oil pump laser-electric arc |
| CN109014182A (en) * | 2018-10-25 | 2018-12-18 | 河北科技大学 | Increasing material manufacturing 7000 line aluminium alloy powder and preparation method thereof |
| CN109759710A (en) * | 2019-02-26 | 2019-05-17 | 重庆理工大学 | A kind of electric arc fuse increasing material manufacturing method based on laser higher-order of oscillation molten bath |
| CN110076418A (en) * | 2019-05-22 | 2019-08-02 | 河北科技大学 | A kind of tissue crystal fining method carrying out electric arc increasing material manufacturing using alusil alloy |
| CN110238399A (en) * | 2019-07-03 | 2019-09-17 | 昆山金甲虫机器人技术有限公司 | A kind of ceramic-metal composite increasing material manufacturing device and its production method |
| CN110587139A (en) * | 2019-10-09 | 2019-12-20 | 西安增材制造国家研究院有限公司 | Coaxial wire and powder feeding printing nozzle and additive manufacturing device for arc laser |
| CN110744047A (en) * | 2019-11-01 | 2020-02-04 | 昆明理工大学 | Preparation method of aluminum-based composite material |
| CN111975188A (en) * | 2020-07-21 | 2020-11-24 | 哈尔滨工业大学 | Method for manufacturing high-strength aluminum alloy with full equiaxial crystal structure by electron beam fuse additive manufacturing |
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| 王立伟: "熔滴主动靶向的激光间接电弧复合增材制造技术初探", 《焊接学报》 * |
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