CN106216699A - A kind of 3D prints and uses metal dust preparation technology - Google Patents
A kind of 3D prints and uses metal dust preparation technology Download PDFInfo
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- CN106216699A CN106216699A CN201610863083.6A CN201610863083A CN106216699A CN 106216699 A CN106216699 A CN 106216699A CN 201610863083 A CN201610863083 A CN 201610863083A CN 106216699 A CN106216699 A CN 106216699A
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- powder
- metal dust
- prints
- preparation technology
- shot
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- 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
- B22F9/026—Spray drying of solutions or suspensions
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The present invention relates to a kind of 3D printing metal dust preparation technology, it includes being carried out shot copper, nickel shot and stannum grain respectively, removes surface impurity；Shot copper, nickel shot and stannum grain after cleaning are respectively crushed into powder；Again above-mentioned powder is ground after mix homogeneously in batch mixer, obtains alloyed powder；By alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；Again slurry is made spherical 3D printing metal dust by sponging granulator.The present invention can remove the impurity of metal powder surface by cleaning; improve the alloy purity of follow-up preparation; then the mechanical activation of powder can be improved by the way of batch mixing and grinding; for the offer preferably basis of combining closely of alloy, then can be prepared by sponging granulator that particle diameter is little, the 3D printing metal dust of uniform particle sizes.
Description
Technical field
The present invention relates to 3D printing metal dust, a kind of 3D prints and uses metal dust preparation technology.
Background technology
" 3D printing " technology, also referred to as increases material manufacturing technology, belongs to the one of rapid shaping technique.It is a kind of with number
Based on word model file, the discrete and numerical control molding system by software hierarchy, utilize the mode such as laser beam, hot melt nozzle by powder
Powder metal or plastics etc. can successively be piled up and cohere superposition molding by jointing material, finally produce the technology of entity products.
The central principle that 3D prints is " Layered manufacturing, successively superposition ", and compared with the manufacturing technology of tradition " subtracting material manufacture ", 3D prints
Technology by machinery, material, computer, communicate, the technological incorporation such as control technology and biomedicine through, have realize integrally manufactured
Complex-shaped workpieces, it is greatly shortened life cycle of the product, saves lot of materials, improve the clear superiority such as production efficiency.Concrete next
Saying: first, the application of 3D printing technique will constantly expand；Secondly, 3D printing technique is in the application of each application
Aspect deepens continuously；Furthermore, the materialization form of 3D printing technique self will be abundanter.Thus, this technology is inevitable soon
Rapid osmotic is to national defence, Aero-Space, electric power, automobile, biomedical mould, casting, electric power, agricultural, household electrical appliances, technique in the future
The numerous areas such as the fine arts, animation, profound influence the design concept in above-mentioned field, and coordinates that other technologies are perfect, even updates
Some quotidian fabrication scheme, makes manufacture the most intelligent, simple and direct, green, and properties of product more press close to perfect condition.Now
3D printing technique has become one of emerging technology of paying close attention to most in the whole world.This novel mode of production and other digital production moulds
Formula will promote the realization of the third time industrial revolution together.The wherein big bottleneck that restriction 3D printing technique develops rapidly is to print material
Material, particularly metallic print material.Research and development and the metal material that production performance is more preferable and versatility is higher are to carry 3D printing technique
Key.Directly use 3D printing technique manufacture view at high-performance metal component, need that particle diameter is thin, uniform particle sizes, high spherical
Degree, all kinds of metal dusts of low oxygen content.
Summary of the invention
For above-mentioned technical problem, the present invention provide one to prepare particle diameter is less, the more uniform 3D of particle diameter prints and uses
Metal dust preparation technology.
The technical solution used in the present invention is: a kind of 3D printing metal dust preparation technology, and it comprises the following steps:
(1) shot copper, nickel shot and stannum grain are carried out respectively, remove surface impurity；
(2) shot copper, nickel shot and stannum grain after cleaning are respectively crushed into powder；
(3) more above-mentioned powder is ground after mix homogeneously in batch mixer, obtains alloyed powder；
(4) by alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；
(5) again slurry is made spherical 3D printing metal dust by sponging granulator.
As preferably, in described stannum grain, shot copper and nickel shot, the content of nickel is 10wt%, and the content of stannum is 12 wt %, remaining
Amount is copper.
As preferably, described liquid uses distilled water or deionized water, and the mass ratio of alloyed powder and liquid is (2.5
3): 1.
As preferably, described organic bond uses metal granulating agent, and its addition is the 2 4% of alloyed powder quality.
As preferably, described sponging granulator uses centrifugal spraying granulator or press atomization comminutor.
As preferably, the rotating speed of described centrifugal spraying granulator is 5,000 8000 revs/min, the pressure of press atomization comminutor
Power is 15 25kg/ cm 2。
As preferably, the inlet temperature of described sponging granulator dry air is 250 350 DEG C, outlet temperature is 100
150℃；The flow of dry air is 100 200 Nm3 /h；Charging rate is 10 20 kg/h.
As can be known from the above technical solutions, the present invention can remove the impurity of metal powder surface by cleaning, after raising
The alloy purity of continuous preparation, then can improve the mechanical activation of powder by the way of batch mixing and grinding, for the tight knot of alloy
Close and preferably basis is provided, then can be prepared by sponging granulator that particle diameter is little, the 3D printing metal dust of uniform particle sizes.
Detailed description of the invention
The present invention is described more detail below, and illustrative examples and explanation in this present invention are used for explaining the present invention,
But it is not as a limitation of the invention.
A kind of 3D prints and uses metal dust preparation technology, and it comprises the following steps:
With nickel, copper, stannum grain as raw material, and by the content of nickel be 10wt%, the content of stannum be 12 wt %, surplus be that copper is joined
Material；First shot copper, nickel shot and stannum grain are carried out respectively, remove surface impurity, improve metal purity；Then after cleaning
Shot copper, nickel shot and stannum grain are respectively crushed into powder, valid for grinding；Again above-mentioned powder is carried out after mix homogeneously in batch mixer
Grind, general grinding about 24h, obtain alloyed powder；Then by alloyed powder and liquid mixing, and the stirring of metal granulating agent is added all
Even, it is configured to metal powder slurry；Again slurry is prepared spherical, particle diameter by centrifugal spraying granulator or press atomization comminutor
3D printing metal dust less, even particle size distribution.
Embodiment 1
By the content of nickel be 10wt%, the content of stannum be 1 wt %, surplus be that copper carries out dispensing, by shot copper, nickel shot and stannum grain respectively
It is carried out, removes surface impurity；Then shot copper, nickel shot and stannum grain after cleaning are respectively crushed into powder；Again by above-mentioned powder
End is ground 24h in batch mixer after mix homogeneously, obtain alloyed powder；Then alloyed powder is mixed with distilled water, and alloy
Powder is 2.5:1 with the mass ratio of distilled water, and the 2% metal granulating agent adding alloyed powder quality stirs, and is configured to metal powder
Slurry；Again by centrifugal spraying granulator, slurry being carried out pelletize, wherein the inlet temperature of sponging granulator dry air is 250
DEG C, outlet temperature be 100 DEG C, the flow of dry air be 100 Nm3 / h, charging rate are 10kg/h, centrifugal spraying granulator
Rotating speed be 5,000 8000 revs/min, thus obtain spherical 3D printing metal dust；The particle diameter distribution model of this metal dust
Enclosing is 54 77nm, and hardness is up to 39.3HRC.
Embodiment 2
By the content of nickel be 10wt%, the content of stannum be 1.5 wt %, surplus be that copper carries out dispensing, shot copper, nickel shot and stannum grain are divided
It is not carried out, removes surface impurity；Then shot copper, nickel shot and stannum grain after cleaning are respectively crushed into powder；Again by above-mentioned
Powder is ground 24h in batch mixer after mix homogeneously, obtain alloyed powder；Then alloyed powder is mixed with deionized water, and
Alloyed powder is 2.8:1 with the mass ratio of deionized water, and the 3% metal granulating agent adding alloyed powder quality stirs, and is configured to
Metal powder slurry；Again slurry is carried out pelletize, wherein the import temperature of sponging granulator dry air by press atomization comminutor
Degree is 300 DEG C, outlet temperature is 130 DEG C, the flow of dry air is 150 Nm3 / h, charging rate are 15 kg/h, and pressure sprays
The pressure of mist comminutor is 25kg/ cm 2, thus obtain spherical 3D printing metal dust；The particle diameter distribution of this metal dust
Scope is 46 62nm, and hardness is up to 46.1HRC.
Embodiment 3
By the content of nickel be 10wt%, the content of stannum be 2 wt %, surplus be that copper carries out dispensing, by shot copper, nickel shot and stannum grain respectively
It is carried out, removes surface impurity；Then shot copper, nickel shot and stannum grain after cleaning are respectively crushed into powder；Again by above-mentioned powder
End is ground 24h in batch mixer after mix homogeneously, obtain alloyed powder；Then alloyed powder is mixed with deionized water, and close
Bronze is 3:1 with the mass ratio of deionized water, and the 4% metal granulating agent adding alloyed powder quality stirs, and is configured to metal
Slurry material；Again by press atomization comminutor, slurry being carried out pelletize, wherein the inlet temperature of sponging granulator dry air is
350 DEG C, outlet temperature be 150 DEG C, the flow of dry air be 200 Nm3 / h, charging rate are 20 kg/h, and press atomization is made
The pressure of grain machine is 15kg/ cm 2, thus obtain spherical 3D printing metal dust；The particle size distribution range of this metal dust
Being 56 70nm, hardness is up to 38.1HRC.
The technical scheme provided the embodiment of the present invention above is described in detail, specific case used herein
Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help to understand this
The principle of inventive embodiments；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
All will change in formula and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (7)
1. 3D prints and uses a metal dust preparation technology, and it comprises the following steps:
(1) shot copper, nickel shot and stannum grain are carried out respectively, remove surface impurity；
(2) shot copper, nickel shot and stannum grain after cleaning are respectively crushed into powder；
(3) more above-mentioned powder is ground after mix homogeneously in batch mixer, obtains alloyed powder；
(4) by alloyed powder and liquid mixing, and add organic bond and stir, be configured to metal powder slurry；
(5) again slurry is made spherical 3D printing metal dust by sponging granulator.
The most according to claim 1,3D prints and uses metal dust preparation technology, it is characterised in that: described stannum grain, shot copper and nickel
In Li, the content of nickel is 10wt%, and the content of stannum is 12 wt %, and surplus is copper.
3. as claimed in claim 1 3D prints and use metal dust preparation technology, it is characterised in that: described liquid employing distilled water or
Deionized water, and the mass ratio of alloyed powder and liquid is (2.5 3): 1.
4. 3D prints and uses metal dust preparation technology as claimed in claim 1, it is characterised in that: described organic bond uses gold
Belonging to granulating agent, its addition is the 2 4% of alloyed powder quality.
5. as claimed in claim 1 3D prints and use metal dust preparation technology, it is characterised in that: the employing of described sponging granulator from
Heart sponging granulator or press atomization comminutor.
6. 3D prints and uses metal dust preparation technology as claimed in claim 5, it is characterised in that: described centrifugal spraying granulator
Rotating speed is 5,000 8000 revs/min, and the pressure of press atomization comminutor is 15 25kg/ cm 2。
7. 3D prints and uses metal dust preparation technology as claimed in claim 5, it is characterised in that: described sponging granulator is dried sky
The inlet temperature of gas is 250 350 DEG C, outlet temperature is 100 150 DEG C；The flow of dry air is 100 200 Nm3 /
h；Charging rate is 10 20 kg/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863083.6A CN106216699A (en) | 2016-09-29 | 2016-09-29 | A kind of 3D prints and uses metal dust preparation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863083.6A CN106216699A (en) | 2016-09-29 | 2016-09-29 | A kind of 3D prints and uses metal dust preparation technology |
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| Publication Number | Publication Date |
|---|---|
| CN106216699A true CN106216699A (en) | 2016-12-14 |
Family
ID=58076502
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610863083.6A Pending CN106216699A (en) | 2016-09-29 | 2016-09-29 | A kind of 3D prints and uses metal dust preparation technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999776A (en) * | 2017-12-19 | 2018-05-08 | 马斌祥 | A kind of preparation process of 3D printing metal dust |
| CN110893465A (en) * | 2018-08-22 | 2020-03-20 | 西门子股份公司 | 3D printing metal powder, 3D printing method and method for preparing 3D printing metal powder |
| CN113798507A (en) * | 2021-08-10 | 2021-12-17 | 西安理工大学 | Low-temperature 3D printing forming method for refractory alloy |
| CN115365491A (en) * | 2022-08-29 | 2022-11-22 | 浙江旗创新材料科技有限公司 | Efficient powder premixing process |
Citations (7)
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|---|---|---|---|---|
| US3591362A (en) * | 1968-03-01 | 1971-07-06 | Int Nickel Co | Composite metal powder |
| US4443249A (en) * | 1982-03-04 | 1984-04-17 | Huntington Alloys Inc. | Production of mechanically alloyed powder |
| US4859413A (en) * | 1987-12-04 | 1989-08-22 | The Standard Oil Company | Compositionally graded amorphous metal alloys and process for the synthesis of same |
| US5972070A (en) * | 1994-10-19 | 1999-10-26 | Sumitomo Electric Industries, Ltd. | Sintered friction material, composite copper alloy powder used therefor and manufacturing method thereof |
| US6723278B1 (en) * | 1998-11-12 | 2004-04-20 | The National University Of Singapore | Method of laser casting copper-based composites |
| CN103785860A (en) * | 2014-01-22 | 2014-05-14 | 宁波广博纳米新材料股份有限公司 | Metal powder for 3D printer and preparing method thereof |
| CN103882423A (en) * | 2013-12-25 | 2014-06-25 | 华侨大学 | Method of carrying out microwave fusion-covering onto CuW alloy on Cu matrix surface |
-
2016
- 2016-09-29 CN CN201610863083.6A patent/CN106216699A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3591362A (en) * | 1968-03-01 | 1971-07-06 | Int Nickel Co | Composite metal powder |
| US4443249A (en) * | 1982-03-04 | 1984-04-17 | Huntington Alloys Inc. | Production of mechanically alloyed powder |
| US4859413A (en) * | 1987-12-04 | 1989-08-22 | The Standard Oil Company | Compositionally graded amorphous metal alloys and process for the synthesis of same |
| US5972070A (en) * | 1994-10-19 | 1999-10-26 | Sumitomo Electric Industries, Ltd. | Sintered friction material, composite copper alloy powder used therefor and manufacturing method thereof |
| US6723278B1 (en) * | 1998-11-12 | 2004-04-20 | The National University Of Singapore | Method of laser casting copper-based composites |
| CN103882423A (en) * | 2013-12-25 | 2014-06-25 | 华侨大学 | Method of carrying out microwave fusion-covering onto CuW alloy on Cu matrix surface |
| CN103785860A (en) * | 2014-01-22 | 2014-05-14 | 宁波广博纳米新材料股份有限公司 | Metal powder for 3D printer and preparing method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999776A (en) * | 2017-12-19 | 2018-05-08 | 马斌祥 | A kind of preparation process of 3D printing metal dust |
| CN110893465A (en) * | 2018-08-22 | 2020-03-20 | 西门子股份公司 | 3D printing metal powder, 3D printing method and method for preparing 3D printing metal powder |
| CN113798507A (en) * | 2021-08-10 | 2021-12-17 | 西安理工大学 | Low-temperature 3D printing forming method for refractory alloy |
| CN113798507B (en) * | 2021-08-10 | 2024-01-12 | 西安理工大学 | Low-temperature 3D printing forming method of refractory alloy |
| CN115365491A (en) * | 2022-08-29 | 2022-11-22 | 浙江旗创新材料科技有限公司 | Efficient powder premixing process |
| CN115365491B (en) * | 2022-08-29 | 2024-05-17 | 浙江旗创新材料科技有限公司 | Efficient powder premixing process |
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Application publication date: 20161214 |