CN109277579A - A kind of low cost 3D printing Al alloy powder aerosolization preparation method - Google Patents
A kind of low cost 3D printing Al alloy powder aerosolization preparation method Download PDFInfo
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- CN109277579A CN109277579A CN201811328471.XA CN201811328471A CN109277579A CN 109277579 A CN109277579 A CN 109277579A CN 201811328471 A CN201811328471 A CN 201811328471A CN 109277579 A CN109277579 A CN 109277579A
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- raw material
- melting furnace
- vacuum melting
- aluminum alloy
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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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
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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
- B33Y70/00—Materials specially adapted for additive manufacturing
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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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
- B22F2009/0848—Melting process before atomisation
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Powder Metallurgy (AREA)
Abstract
The invention proposes a kind of inexpensive 3D printing Al alloy powder aerosolization preparation methods, choose corresponding raw metal first, the proportions of design requirement are then pressed to material composition, then the raw material after proportion is put into feeder.The inside of vacuum melting furnace is cleaned before being put into raw material, is continuously sent to raw material in vacuum melting furnace by feeder, the temperature in furnace is controlled in 800-1000 degree.The low cost 3D printing Al alloy powder aerosolization preparation method step is simple, it is easy to operate, raw material continuously can be flowed into atomization system, such mode, yield is big, it is high-efficient, it is at low cost, and production cost is reduced, improve production efficiency, the demand that can satisfy people, provides a convenient.
Description
Technical field
The present invention relates to industrial processing technology field, specially a kind of inexpensive 3D printing Al alloy powder aerosolization preparation
Method.
Background technique
Original production process is to be put into 80-200kg etc. by several times by stove size in the ratio ingredient of different aluminum alloys raw material,
It is put into vacuum melting furnace, raw material is smelted into alloying metal liquid, this liquid is poured into atomisation tower, use nitrogen or argon gas pair at this time
How much liquid is blown.Liquid by low temperature gas impact grinding at tiny particle, finally powder collection is got up, according to requiring
It is classified, is packed, other particles are largely distributed in the coarse granule of 2-50um, can only meet the use of a part, and a batch is former
Material needs to open the raw material that vacuum drying oven is reentered into 80-200kg after having produced, then carries out the production of next group.Every batch of is taken out true
Hold the time, smelting time is especially long, and yield is small, can not produce largely, illegal to be satisfied with 3D printing aluminum alloy granule.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of inexpensive 3D printing Al alloy powder
Aerosolization preparation method, step is simple, easy to operate, can continuously add raw materials into and carry out melting in vacuum melting furnace,
Atomization system is continuously flowed into again, such mode, yield is big, and it is high-efficient, it is at low cost, production cost is reduced, is improved
Production efficiency, can satisfy the demand of people, provides a convenient, can effectively solve the problems in background technique.
To achieve the above object, the present invention proposes: a kind of low cost 3D printing Al alloy powder aerosolization preparation method, packet
Include following steps:
S1) Raw material processing: continuously raw material is added in vacuum melting furnace using feeder first, and raw material is connected
It is continuous constantly to melt, heat vacuum melting furnace so that temperature remains to 900-1200 degree to raw material；
S2) vacuum drying oven cleans: cleaning to the inside of vacuum melting furnace, guarantees in furnace completely first before raw material is added；
S3) raw material melts: proportioned raw material being put into inside feeder again, is continuously sent raw material by feeder
Enter into vacuum melting furnace, then raw material is melted as liquid by vacuum melting furnace, completes to melt with this；
S4 it) is atomized: and then imported into melted raw material liq inside atomization system by material guide device, pass through nitrogen gas
Al-alloy metal melt is impacted, is by this method aluminum alloy granule by Raw material processing；
S5 it) screens: and then the aluminum alloy granule processed is put into inside screening machine, by screening machine to different size of aluminium
Alloying pellet is separated, and is screened twice in a manner of to aluminum alloy granule by this；
S6 it) packs: and then weighed by weighing apparatus to different metal particle, then weighted metallic particles is wrapped
Dress, completes to process with this.
As a preferred technical solution of the present invention: when melting to raw material, making vacuum melting furnace to raw material heating
It obtains temperature and remains to 800-1000 degree.
As a preferred technical solution of the present invention: when being screened for the first time to aluminum alloy granule, making in screening machine
Mesh size size is that 10-15um makes the mesh size size in screening machine when to aluminum alloy granule programmed screening
60-65um。
Compared with prior art, the beneficial effects of the present invention are: prepared by the low cost 3D printing Al alloy powder aerosolization
Method and step is simple, easy to operate, can continuously add raw materials into and carry out melting in vacuum melting furnace, then continuously
Atomization system is flowed into, such mode, yield is big, and it is high-efficient, it is at low cost, and production cost is reduced, improve production effect
Rate can satisfy the demand of people, provide a convenient.
Specific embodiment
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention the following technical schemes are provided:
Embodiment one:
A kind of low cost 3D printing Al alloy powder aerosolization preparation method, comprising the following steps:
S1) Raw material processing: continuously raw material is added in vacuum melting furnace using feeder first, and raw material is connected
It is continuous constantly to melt, heat vacuum melting furnace so that temperature remains to 800 degree to raw material；
S2) vacuum drying oven cleans: cleaning to the inside of vacuum melting furnace, guarantees in furnace completely first before raw material is added；
S3) raw material melts: the raw material mixed being put into inside feeder again, is continuously sent raw material by feeder
Enter into vacuum melting furnace, then raw material is melted as liquid by vacuum melting furnace, completes to melt with this, melt to raw material
When, heat vacuum melting furnace so that temperature remains to 900 degree to raw material；
S4 it) is atomized: and then imported into melted raw material liq inside atomization system by material guide device, pass through nitrogen gas
Al-alloy metal melt is impacted, is by this method aluminum alloy granule by Raw material processing；
S5 it) screens: and then the aluminum alloy granule processed is put into inside screening machine, by screening machine to different size of aluminium
Alloying pellet is separated, and is screened twice in a manner of to aluminum alloy granule by this, is being screened for the first time to aluminum alloy granule
When, so that the mesh size size 10um in screening machine is made the sieve in screening machine when to aluminum alloy granule programmed screening
Pore size is 60um；
S6 it) packs: and then weighed by weighing apparatus to different metal particle, then weighted metallic particles is wrapped
Dress, completes to process with this.
Embodiment two:
A kind of low cost 3D printing Al alloy powder aerosolization preparation method, comprising the following steps:
S1) Raw material processing: continuously raw material is added in vacuum melting furnace using feeder first, and raw material is connected
It is continuous constantly to melt, heat vacuum melting furnace so that temperature remains to 870 degree to raw material；
S2) vacuum drying oven cleans: cleaning to the inside of vacuum melting furnace, guarantees in furnace completely first before raw material is added；
S3) raw material melts: the raw material mixed being put into inside feeder again, is continuously sent raw material by feeder
Enter into vacuum melting furnace, then raw material is melted as liquid by vacuum melting furnace, completes to melt with this, melt to raw material
When, heat vacuum melting furnace so that temperature remains to 1000 degree to raw material；
S4 it) is atomized: and then imported into melted raw material liq inside atomization system by material guide device, pass through nitrogen gas
Al-alloy metal melt is impacted, is by this method aluminum alloy granule by Raw material processing；
S5 it) screens: and then the aluminum alloy granule processed is put into inside screening machine, by screening machine to different size of aluminium
Alloying pellet is separated, and is screened twice in a manner of to aluminum alloy granule by this, is being screened for the first time to aluminum alloy granule
When, so that the mesh size size 12um in screening machine is made the sieve in screening machine when to aluminum alloy granule programmed screening
Pore size is 62um；
S6 it) packs: and then weighed by weighing apparatus to different metal particle, then weighted metallic particles is wrapped
Dress, completes to process with this.
Embodiment three:
A kind of low cost 3D printing Al alloy powder aerosolization preparation method, comprising the following steps:
S1) Raw material processing: continuously raw material is added in vacuum melting furnace using feeder first, and raw material is connected
It is continuous constantly to melt, heat vacuum melting furnace so that temperature remains to 940 degree to raw material；
S2) vacuum drying oven cleans: cleaning to the inside of vacuum melting furnace, guarantees in furnace completely first before raw material is added；
S3) raw material melts: the raw material mixed being put into inside feeder again, is continuously sent raw material by feeder
Enter into vacuum melting furnace, then raw material is melted as liquid by vacuum melting furnace, completes to melt with this, melt to raw material
When, heat vacuum melting furnace so that temperature remains to 1100 degree to raw material；
S4 it) is atomized: and then imported into melted raw material liq inside atomization system by material guide device, pass through nitrogen gas
Al-alloy metal melt is impacted, is by this method aluminum alloy granule by Raw material processing；
S5 it) screens: and then the aluminum alloy granule processed is put into inside screening machine, by screening machine to different size of aluminium
Alloying pellet is separated, and is screened twice in a manner of to aluminum alloy granule by this, is being screened for the first time to aluminum alloy granule
When, so that the mesh size size 13um in screening machine is made the sieve in screening machine when to aluminum alloy granule programmed screening
Pore size is 63um；
S6 it) packs: and then weighed by weighing apparatus to different metal particle, then weighted metallic particles is wrapped
Dress, completes to process with this.
Example IV:
A kind of low cost 3D printing Al alloy powder aerosolization preparation method, comprising the following steps:
S1) Raw material processing: continuously raw material is added in vacuum melting furnace using feeder first, and raw material is connected
It is continuous constantly to melt, heat vacuum melting furnace so that temperature remains to 1000 degree to raw material；
S2) vacuum drying oven cleans: cleaning to the inside of vacuum melting furnace, guarantees in furnace completely first before raw material is added；
S3) raw material melts: the raw material mixed being put into inside feeder again, is continuously sent raw material by feeder
Enter into vacuum melting furnace, then raw material is melted as liquid by vacuum melting furnace, completes to melt with this, melt to raw material
When, heat vacuum melting furnace so that temperature remains to 1200 degree to raw material；
S4 it) is atomized: and then imported into melted raw material liq inside atomization system by material guide device, pass through nitrogen gas
Al-alloy metal melt is impacted, is by this method aluminum alloy granule by Raw material processing；
S5 it) screens: and then the aluminum alloy granule processed is put into inside screening machine, by screening machine to different size of aluminium
Alloying pellet is separated, and is screened twice in a manner of to aluminum alloy granule by this, is being screened for the first time to aluminum alloy granule
When, so that the mesh size size 15um in screening machine is made the sieve in screening machine when to aluminum alloy granule programmed screening
Pore size is 65um；
S6 it) packs: and then weighed by weighing apparatus to different metal particle, then weighted metallic particles is wrapped
Dress, completes to process with this.
Benefit of the present invention: the low cost 3D printing Al alloy powder aerosolization preparation method step is simple, easy to operate, energy
Enough making that raw material is continuously flowed into atomization system, such mode, yield is big, and it is high-efficient, it is at low cost, and reduce life
Cost is produced, production efficiency is improved, can satisfy the demand of people, provide a convenient.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of low cost 3D printing Al alloy powder aerosolization preparation method, it is characterised in that: the following steps are included:
S1) Raw material processing: choosing corresponding raw metal first, is then screened to raw material powder by sieve, with this side
Formula screens raw material, and then the raw material after screening is put into inside blender, is stirred by blender to raw material
Mixing；Corresponding raw metal is chosen first, and the proportions of design requirement are then pressed to material composition, it then will be after proportion
Raw material is put into feeder；
S2) vacuum drying oven cleans: cleaning to the inside of vacuum melting furnace, guarantees in furnace completely first before raw material is added；
S3) raw material melts: proportioned raw material being put into feeder again, is continuously sent into raw material by feeder
Into vacuum melting furnace, then raw material is melted as liquid by vacuum melting furnace, completes to melt with this；
S4 it) is atomized: and then imported into melted raw material liq inside atomization system by material guide device, pass through nitrogen or argon
Gas gas impacts Al-alloy metal melt, is by this method aluminum alloy granule by Raw material processing；
S5 it) screens: and then the aluminum alloy granule processed is put into inside screening machine, by screening machine to different size of aluminium
Alloying pellet is separated, and is screened twice in a manner of to aluminum alloy granule by this；
S6 it) packs: and then weighed by weighing apparatus to different metal particle, then weighted metallic particles is wrapped
Dress, completes to process with this.
2. a kind of inexpensive 3D printing Al alloy powder aerosolization preparation method according to claim 1, it is characterised in that: adopt
Continuously raw material is added in vacuum melting furnace with feeder, and raw material is successively melted, makes vacuum melting
Furnace heats so that temperature remains to 900-1200 degree raw material.
3. a kind of inexpensive 3D printing Al alloy powder aerosolization preparation method according to claim 1, it is characterised in that:
When screening for the first time to aluminum alloy granule, make the mesh size size 10-15um in screening machine, to aluminum alloy granule second
When secondary screening, make the mesh size size 60-65um in screening machine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811328471.XA CN109277579A (en) | 2018-11-09 | 2018-11-09 | A kind of low cost 3D printing Al alloy powder aerosolization preparation method |
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| CN201811328471.XA CN109277579A (en) | 2018-11-09 | 2018-11-09 | A kind of low cost 3D printing Al alloy powder aerosolization preparation method |
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|---|---|---|---|---|
| JP2006241562A (en) * | 2005-03-07 | 2006-09-14 | Daido Steel Co Ltd | Continuous atomization device for molten metal |
| RO125964A0 (en) * | 2010-02-17 | 2011-01-28 | Icpt Tehnomag Cug S.A. | Process for producing steel shots by atomization of molten metal with pressurized air |
| CN106216703A (en) * | 2016-09-27 | 2016-12-14 | 中航迈特粉冶科技（北京）有限公司 | A kind of preparation method of 3D printing spherical aluminum alloy powder |
| CN106735269A (en) * | 2016-12-16 | 2017-05-31 | 南通金源智能技术有限公司 | The method for preparing the 3D printing Al alloy powder of excellent sintering character |
| CN107695338A (en) * | 2017-09-21 | 2018-02-16 | 北京宝航新材料有限公司 | A kind of AlSi7Mg dusty materials and preparation method thereof and its application |
| CN107716918A (en) * | 2017-09-21 | 2018-02-23 | 北京宝航新材料有限公司 | A kind of AlSi10Mg dusty materials and preparation method thereof and its application |
| CN107952954A (en) * | 2017-11-14 | 2018-04-24 | 北京宝航新材料有限公司 | A kind of ultra-high-strength aluminum alloy powder body material and preparation method thereof |
| CN108500279A (en) * | 2018-05-15 | 2018-09-07 | 南京尚吉增材制造研究院有限公司 | Cold hearth melting formula gas-atomised powders preparation method and device |
-
2018
- 2018-11-09 CN CN201811328471.XA patent/CN109277579A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006241562A (en) * | 2005-03-07 | 2006-09-14 | Daido Steel Co Ltd | Continuous atomization device for molten metal |
| RO125964A0 (en) * | 2010-02-17 | 2011-01-28 | Icpt Tehnomag Cug S.A. | Process for producing steel shots by atomization of molten metal with pressurized air |
| CN106216703A (en) * | 2016-09-27 | 2016-12-14 | 中航迈特粉冶科技（北京）有限公司 | A kind of preparation method of 3D printing spherical aluminum alloy powder |
| CN106735269A (en) * | 2016-12-16 | 2017-05-31 | 南通金源智能技术有限公司 | The method for preparing the 3D printing Al alloy powder of excellent sintering character |
| CN107695338A (en) * | 2017-09-21 | 2018-02-16 | 北京宝航新材料有限公司 | A kind of AlSi7Mg dusty materials and preparation method thereof and its application |
| CN107716918A (en) * | 2017-09-21 | 2018-02-23 | 北京宝航新材料有限公司 | A kind of AlSi10Mg dusty materials and preparation method thereof and its application |
| CN107952954A (en) * | 2017-11-14 | 2018-04-24 | 北京宝航新材料有限公司 | A kind of ultra-high-strength aluminum alloy powder body material and preparation method thereof |
| CN108500279A (en) * | 2018-05-15 | 2018-09-07 | 南京尚吉增材制造研究院有限公司 | Cold hearth melting formula gas-atomised powders preparation method and device |
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