CN104588673B - A kind of device and method for efficiently preparing metal ball shaped superfine powder - Google Patents
A kind of device and method for efficiently preparing metal ball shaped superfine powder Download PDFInfo
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- CN104588673B CN104588673B CN201510044637.5A CN201510044637A CN104588673B CN 104588673 B CN104588673 B CN 104588673B CN 201510044637 A CN201510044637 A CN 201510044637A CN 104588673 B CN104588673 B CN 104588673B
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Abstract
The invention discloses a kind of device for efficiently preparing metal ball shaped superfine powder, including housing, the crucible and powder collecting region that are arranged in housing, it is characterised in that：Thermocouple is provided with inside crucible, sensing heater is provided with outside crucible, crucible bottom is provided with narrow meshed nozzle, is provided with concentrator below nozzle, the periphery of concentrator is provided with induction coil；Powder collecting region includes being arranged on the catch tray of housing bottom and the rotating circular disk being arranged above catch tray.The invention also discloses the method for preparing metal ball shaped superfine powder, two methods of particulate technology and centrifugal atomization are prepared mainly in combination with electromagnetic force cutting capillary jet, particle diameter distribution section is narrow, sphericity is high, good fluidity, spreadability are excellent and size uniform is controllable, the metal dust without satellite droplet for meeting 3D printing requirement so as to preparing, suitable industrialized production.
Description
Technical field
The invention belongs to technical field prepared by spherical micro-particle, specifically a kind of electromagnetic force cutting capillary jet
Prepare the device and method for efficiently preparing metal ball shaped superfine powder that particle technique is combined with centrifugal atomization.
Background technology
With the continuous development and innovation of process technology, spherical powder material is in Electronic Packaging, precision system is standby, raw body material
Etc. be widely used, with the development of 3D printing technique, spherical powder technology of preparing particularly attracts attention in this regard.
3D printing technique is different from conventional machining techniques, its using metal dust, high polymer material etc. can jointing material as raw material, with successively
The mode of deposition prepares object, and its production efficiency is high, and wastage of material is few, can manufacture baroque workpiece.In 3D printing skill
While art fast development, the demand of 3D printing globular metallic powder is also urgent all the more.3D printing spherical powder need to have
Excellent mobility and spreadability, the characteristics of high sphericity, and it need to meet that size uniform is controllable, requirement without satellite droplet, this
And the limiting factor of 3D printing technique development.
The major way of production spherical metal powder has both at home and abroad at present：Atomization, including gas atomization, water atomization,
Centrifugal atomization etc..But the powder decentralization that the above method obtains is larger, it is necessary to can just be met requirement by repeatedly screening
Powder, yield rate is low；In addition, atomization is also easy to produce satellite droplet, and because of powder surfaces stick satellite droplet, its mobility and spreadability
It can decline.Therefore, the powder of this method production can not meet to require.
The content of the invention
Poor, spreadability and stream according to the 3D printing set forth above sphericity present in spherical metal powder preparation process
The problems such as dynamic property difference, and a kind of device and method for efficiently preparing metal ball shaped superfine powder is provided.The present invention is mainly in combination with electricity
Magnetic force cutting capillary jet prepares two methods of particulate technology and centrifugal atomization, so as to prepare sphericity it is high,
Good fluidity, spreadability be excellent and size uniform, the metal dust for meeting 3D printing requirement without satellite droplet.
The technological means that the present invention uses is as follows：
A kind of device for efficiently preparing metal ball shaped superfine powder, including housing, the crucible that is arranged in the housing and
Powder collecting region, the powder collecting region are placed in the bottom of the housing, and the crucible is placed in the top of the powder collecting region,
The housing is provided with the crucible air inlet pipe being inserted into the crucible, is additionally provided with what is be connected with the crucible on the housing
Mechanical pump and diffusion pump, cavity air inlet pipe is additionally provided with the housing, it is characterised in that：
Thermocouple is provided with inside the crucible, is provided with sensing heater outside the crucible, the crucible bottom is provided with band
The nozzle of aperture, the nozzle lower section are provided with concentrator, and the periphery of the concentrator is provided with induction coil；
The powder collecting region includes being arranged on the catch tray of the housing bottom and is arranged above the catch tray
The rotating circular disk for atomization metal drop being connected with motor.
The enough drops of housing volume through centrifuging, it is broken after flight depression area, can ensure that microlayer model will not coagulate
Gu in cavity inner wall, the area of catch tray is sufficiently large can to collect metal dust.
Further, the pore diameter range of the aperture of the nozzle is between 0.02mm-2.0mm.
Further, the angle of wetting of the material of the crucible and the molten metal being placed in the crucible is more than 90 °.
Further, the rotating circular disk is graphite disk, and the rotating speed of the rotating circular disk is 10000rpm-
40000rpm。
Further, it is provided with the rotating circular disk on the housing of same level and is used for high-speed motion picture camera photography
Observation window.
The invention also discloses the method for efficiently preparing metal ball shaped superfine powder, it is characterised in that comprises the following steps：
1. feed：It will be sealed after the metal material melted is put into and is arranged in the crucible of housing internal upper part, the crucible
Bottom be provided with nozzle；
2. vacuumize：The crucible and the housing are vacuumized using mechanical pump and diffusion pump, and it is lazy to be filled with high-purity
Property protective gas, makes pressure in housing reach preset value；
3. heat：Will be metal material melting in the crucible using sensing heater, and by being set in the crucible
Thermocouple monitor temperature in the crucible in real time, be incubated after metal material is completely melt；
4. prepare powder：Modulation ac signal is applied to the collection for being arranged on the housing central section and the nozzle alignment
The induction coil of middle device periphery, by setting the crucible air inlet pipe on the housing and being inserted into the crucible by high-purity
Inert protective gas is passed through, and makes the crucible with producing certain differential pressure in the housing, in the presence of the differential pressure, melting gold
Category is flowed out from nozzle and forms capillary jet, and capillary jet is broken under the electromagnetic force that induction coil applies to it
Into homogeneous drop, drop is freely dropped at a high speed on the rotating circular disk of rotation, and under the influence of centrifugal force, drop is fractured into micro-
Drop, microlayer model form metal dust through solidification of freely landing；
5. particle collection：Metal dust is collected with the catch tray for being arranged at the housing bottom.
Further, the current effective value of the modulation ac signal is 30A-60A, carrier frequency 3MHz-
30MHz, modulating frequency 200Hz-20000Hz, dutycycle 50%.
Further, the pore diameter range of the aperture of the nozzle is between 0.02mm-2.0mm.
Further, the high-purity inert protective gas is helium, argon gas.
Further, the pressure after being vacuumized in the housing reaches 0.1MPa, when metal material is incubated after being completely melt
Between be 15-20 minutes；Step 4. in, caused differential pressure is 0-200kPa in the crucible and the housing.
Compared with prior art, the invention has the advantages that：
The present invention devises a kind of electromagnetic force cutting capillary jet and prepares what particulate technology was combined with centrifugal atomization
Efficiently prepare the device of metal ball shaped superfine powder, molten metal material under the effect of the pressure, passes through crucible bottom in crucible
The narrow meshed nozzle in portion projects, and forms capillary jet, while induction coil produces electromagnetic force, by the electromagnetic force through concentrator
Act on capillary jet, capillary jet gradually forms sausage under surface tension and the collective effect of electromagnetism force-disturbance
Formula clusters of droplets, is finally separated into the drop that size is consistent, spacing is equal, and drop freely drop to the disk of rotation at a high speed
On, due to the effect of centrifugal force, drop is broken into microlayer model one by one, and microlayer model is frozen into powder through freely landing.Utilize electricity
Metallic uniform particle diameter (relative deviation be less than 1.8%), the sphericity of magnetic force cutting capillary jet production be high, hot resume one
Cause, but single-hole nozzle prepare particle yield can not meet demand, after being combined with atomization, greatly improve the production of metal dust
Rate.In the present invention the advantages of two methods of caused metal ball shaped superfine powder combination, grain size is uniform, production efficiency is high,
Industrial production can be met.
The process controllability of the present invention is strong, and performance is as follows：Crucible temperature is accurately controlled by sensing heater, led to
Cross and be passed through inert gas into crucible and housing, the pressure differential of crucible and housing is can control, so as to control the speed of jet；Crucible
The orifice size for the nozzle that bottom is set can control jet size, so as to control the particle diameter of metallic；The rotating speed of rotating circular disk
It is controllable, it can further control the particle diameter distribution of metal dust；Technological parameter is adjustable, control, reduces caused molten metal
Drop and the error of setting drop size, therefore the metal ball shaped superfine powder of size uniform can be obtained, production efficiency is high.
The present invention can efficiently prepare and meanwhile meet the different-grain diameter of requirement size it is homogeneous, sphericity is high, hot resume
Unanimously, the metal ball shaped superfine powder of size tunable, and production efficiency is high, simple in construction, cost is low, suitable industrialized production.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the schematic diagram of present invention modulation ac signal.
In figure：1st, crucible 2, sensing heater 3, cavity air inlet pipe 4, induction coil 5, concentrator 6, drop 7, rotation
Turn disk 8, motor 9, crucible air inlet pipe 10, mechanical pump 11, diffusion pump 12, housing 13, nozzle 14, capillary jet
15th, observation window 16, high-speed motion picture camera 17, metal dust 18, catch tray.
Embodiment
As shown in figure 1, a kind of device for efficiently preparing metal ball shaped superfine powder, including housing 12, it is arranged at the shell
Crucible 1 and powder collecting region in body 12, the powder collecting region are placed in the bottom of the housing 12, and the crucible 1 is placed in institute
The top of powder collecting region is stated, the housing 12 is provided with the crucible air inlet pipe 9 being inserted into the crucible 1, in the present embodiment
In, the top of housing 12 is additionally provided with the mechanical pump 10 and diffusion pump 11 being connected with the crucible 1, the side wall of the housing 12
It is provided with cavity air inlet pipe 3.
The inside of crucible 1 is provided with thermocouple, and the outside of crucible 1 is provided with sensing heater 2, and the bottom of crucible 1 is set
There is narrow meshed nozzle 13, the pore diameter range of the aperture of the nozzle 13 is between 0.02mm-2.0mm；
The lower section of nozzle 13 is provided with concentrator 5, and the periphery of the concentrator 5 is provided with induction coil 4；
The powder collecting region includes being arranged on the catch tray 18 of the housing bottom and is arranged on the catch tray 18
The rotating circular disk 7 for atomization metal drop being connected with motor 8 of side, the rotating circular disk 7 are graphite disk, the rotation
The rotating speed of disk 7 is 10000rpm-40000rpm.
The sight for being used for high-speed motion picture camera 16 and photographing is provided with the housing 12 of same level with the rotating circular disk 7
Examine window 15.
The angle of wetting of the material of the crucible 1 and the molten metal being placed in the crucible 1 is more than 90 °.
The enough drops 6 of volume of the housing 12 through centrifuging, it is broken after flight depression area, microlayer model can be ensured not
The inwall of housing 12 can be set in, catch tray 18 is located at the bottom of housing 12, and area is sufficiently large can to collect metal dust 17.
During work, mechanical pump 10 and diffusion pump 11 are used to extract vacuum to housing 12 and crucible 1；The bottom of crucible 1 is provided with
The nozzle 13 being connected with housing 12, the material for needing to prepare in crucible 1 is heated using sensing heater 2, and pass through crucible
Air inlet pipe 9 and cavity air inlet pipe 3 are passed through high-purity inert protective gas into crucible 1 and housing 12, such as helium, argon gas, make earthenware
Stable pressure differential is kept between crucible 1 and housing 12, under pressure differential effect, capillary jet 14 can be produced in nozzle 13；
Induction coil 4 and concentrator 5 are arranged on the lower section of nozzle 13, when applying modulation ac signal to induction coil 4, induction coil
4 can apply electromagnetic force to capillary jet 14 and capillary jet 14 is fragmented into drop 6, and drop 6, which freely drops to, to be revolved at a high speed
On the disk 7 turned, due to the effect of centrifugal force, drop 6 is fractured into microlayer model, and microlayer model, which freely lands, is frozen into metal dust
17, collect metal dust 17 with catch tray 18.
The method that metal ball shaped superfine powder is efficiently prepared using apparatus of the present invention, is comprised the following steps：
1. feed：It will be sealed after the metal material melted is put into and is arranged in the crucible 1 of the internal upper part of housing 12, the earthenware
The bottom of crucible 1 is provided with nozzle 13；
2. vacuumize：The crucible 1 and the housing 12 are vacuumized using mechanical pump 10 and diffusion pump 11, and are filled with height
Purity inert protective gas, the high-purity inert protective gas are helium, argon gas, pressure in housing 12 is reached 0.1MPa；
3. heat：Will be metal material melting in the crucible 1 using sensing heater 2, and by being set in the crucible 1
The thermocouple put monitors the temperature in the crucible 1 in real time, and 15-20 minutes are incubated after metal material is completely melt；
4. prepare powder：Modulation ac signal is applied to be arranged in the middle part of the housing 12 and is aligned with the nozzle 13
The periphery of concentrator 5 induction coil 4, it is described modulation ac signal current effective value be 30A-60A, carrier frequency is
3MHz-30MHz, modulating frequency 200Hz-20000Hz, dutycycle are 50% (as shown in Figure 2).
High-purity inertia is protected by the crucible air inlet pipe 9 for being arranged on the housing 12 and being inserted into the crucible 1
Shield gas is passed through, and makes the crucible 1 with producing differential pressure 0-200kPa in the housing 12, in the presence of the differential pressure, melting gold
Category flows out from nozzle 13 and forms capillary jet 14, the electromagnetism masterpiece that capillary jet 14 applies in induction coil 4 to it
Homogeneous drop 6 is fragmented under, drop 6 is freely dropped at a high speed on the rotating circular disk 7 of rotation, under the influence of centrifugal force, liquid
Drop 6 is fractured into microlayer model, and microlayer model forms metal dust 17 through solidification of freely landing；
5. particle collection：Metal dust 17 is collected with the catch tray 18 for being arranged at the bottom of housing 12.
Embodiment 1
Batch prepares the embodiment of Sn-0.3Ag-0.7Cu spherical powders：
Sn-0.3Ag-0.7Cu raw material are broken into fritter, are put into after carrying out ultrasonic vibration cleaning in crucible 1, according to need
Seek the pore size of selection nozzle 13, such as prepare 25 μm of -50 μm of particles, select 0.02mm-1.0mm aperture, such as prepare 50 μm -
100 μm of particles, select 1.0mm-2.0mm aperture；The amount of being put into of Sn-0.3Ag-0.7Cu raw material reaches the 1/2-3/ of crucible 1
4, as shown in Figure 1；
Housing 12, crucible 1 are extracted into below low vacuum 5Pa with mechanical pump 10, recycle diffusion pump 11 by housing 12, crucible
1 is extracted into high vacuum 0.001Pa；High-purity inert protective gas argon gas is passed through using crucible air inlet pipe 9, cavity air inlet pipe 3, makes shell
Pressure in body 12, crucible 1 reaches 0.1MPa；
Crucible 1 is heated using sensing heater 2, heating-up temperature is 260 DEG C, the metal material in fusion crucible 1,
Temperature is incubated 20min after reaching 260 DEG C；
High-purity inert protective gas argon gas is passed through into crucible 1 by crucible air inlet pipe 9 so that housing 12 and crucible 1
Between produce stable pressure differential, under the effect of this pressure differential, molten metal flows out from nozzle 13 and forms capillary jet
14.At the same time, modulation ac signal is applied to induction coil 4, the signal can produce the magnetic of change around induction coil 4
, magnetic field through concentrator 5 concentrate act on capillary jet 14, make to produce vortex flow in capillary jet 14, vortex flow with
Under the interaction in magnetic field, capillary jet 14 fragments into symmetrical liquid drop 6.Rotational circle of the free-falling of drop 6 in high speed rotation
On disk 7, due to the effect of centrifugal force, drop 6 is broken into microlayer model one by one, and microlayer model is frozen into metal dust through freely landing
18；
Rotating circular disk 7 is dropped down onto through observation window 15, under the dropping process and drop 6 of drop 6 to be broken into by centrifugal action
The process of microlayer model can be recorded by high-speed motion picture camera 14.
After due-in collection terminates, stop applying modulation ac signal to induction coil 4, that is, stop drop injection；Stop high
Speed motor 8, so as to which rotating circular disk 7 stops the rotation；Sensing heater 2 is closed, treats that temperature is down to room temperature, takes out in catch tray 18
Metal dust 17；Cavity air inlet pipe 3 and crucible air inlet pipe 9 are finally closed, is extracted into crucible 1 and housing 12 with mechanical pump 10 low true
Empty below 5Pa, to make equipment be in vacuum state when disabling.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of device for efficiently preparing metal ball shaped superfine powder, including housing (12), it is arranged in the housing (12)
Crucible (1) and powder collecting region, the powder collecting region are placed in the bottom of the housing (12), and the crucible (1) is placed in described
The top of powder collecting region, the housing (12) are provided with the crucible air inlet pipe (9) being inserted into the crucible (1), the shell
The mechanical pump (10) and diffusion pump (11) being connected with the crucible (1) are additionally provided with body (12), is also set on the housing (12)
There is cavity air inlet pipe (3), it is characterised in that：Thermocouple is provided with inside the crucible (1), sensing is provided with outside the crucible (1)
Heater (2), crucible (1) bottom are provided with narrow meshed nozzle (13), concentrator (5) are provided with below the nozzle (13),
The periphery of the concentrator (5) is provided with induction coil (4), and induction coil produces electromagnetic force, the electromagnetic force is acted on through concentrator
In on capillary jet, capillary jet gradually forms clusters of droplets under surface tension and electromagnetic force perturbation action, final discrete
Into the drop that size is consistent, spacing is equal；The powder collecting region includes the catch tray for being arranged on the housing bottom
And the rotating circular disk (7) for atomization metal drop being connected with motor (8) that is arranged above the catch tray (18) (18).
2. the device according to claim 1 for efficiently preparing metal ball shaped superfine powder, it is characterised in that：The nozzle
(13) pore diameter range of aperture is between 0.02mm-2.0mm.
3. the device according to claim 1 for efficiently preparing metal ball shaped superfine powder, it is characterised in that：The crucible
(1) material and the angle of wetting for the molten metal being placed in the crucible (1) is more than 90 °.
4. the device according to claim 1 for efficiently preparing metal ball shaped superfine powder, it is characterised in that：The rotational circle
Disk (7) is graphite disk, and the rotating speed of the rotating circular disk (7) is 10000rpm-40000rpm.
5. the device according to claim 1 for efficiently preparing metal ball shaped superfine powder, it is characterised in that：With the rotation
Disk (7) is provided with the observation window (15) for being used for high-speed motion picture camera (16) photography on the housing (12) of same level.
A kind of 6. method for efficiently preparing metal ball shaped superfine powder, it is characterised in that comprise the following steps：
1. feed：By sealing, the earthenware after the metal material melted is put into and is arranged in the crucible (1) of housing (12) internal upper part
The bottom of crucible (1) is provided with nozzle (13)；
2. vacuumize：The crucible (1) and the housing (12) are vacuumized using mechanical pump (10) and diffusion pump (11), and filled
Enter high-purity inert protective gas, housing (12) interior pressure is reached preset value；
3. heat：Will be metal material melting in the crucible (1) using sensing heater (2), and by the crucible (1)
The thermocouple of setting monitors the temperature in the crucible (1) in real time, is incubated after metal material is completely melt；
4. prepare powder：Modulation ac signal is applied to be arranged in the middle part of the housing (12) and is aligned with the nozzle (13)
Concentrator (5) periphery induction coil (4), by being arranged on the housing (12) and being inserted into the crucible (1)
High-purity inert protective gas is passed through by crucible air inlet pipe (9), makes the crucible (1) with being produced necessarily in the housing (12)
Differential pressure, in the presence of the differential pressure, molten metal flows out from nozzle (13) and forms capillary jet (14), capillary jet
(14) homogeneous drop (6) is fragmented under the electromagnetic force that induction coil (4) applies to it, drop (6) freely drops to height
On the rotating circular disk (7) of speed rotation, under the influence of centrifugal force, drop (6) is fractured into microlayer model, and microlayer model is through free landing
Solidification forms metal dust (17)；
5. particle collection：Metal dust (17) is collected with the catch tray (18) for being arranged at the housing (12) bottom.
7. the method according to claim 6 for efficiently preparing metal ball shaped superfine powder, it is characterised in that：The modulation is handed over
The current effective value for flowing electric signal is 30A-60A, carrier frequency 3MHz-30MHz, modulating frequency 200Hz-20000Hz, is accounted for
Sky is than being 50%.
8. the method according to claim 6 for efficiently preparing metal ball shaped superfine powder, it is characterised in that：The nozzle
(13) pore diameter range of aperture is between 0.02mm-2.0mm.
9. the method according to claim 6 for efficiently preparing metal ball shaped superfine powder, it is characterised in that：The high-purity
Inert protective gas is helium, argon gas.
10. the method according to claim 6 for efficiently preparing metal ball shaped superfine powder, it is characterised in that：The housing
(12) pressure after being vacuumized in reaches 0.1MPa, and metal material is completely melt that rear soaking time is 15-20 minutes；Step is 4.
In, the crucible (1) is 0-200kPa with caused differential pressure in the housing (12).
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| CN201510044637.5A CN104588673B (en) | 2015-01-28 | 2015-01-28 | A kind of device and method for efficiently preparing metal ball shaped superfine powder |
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|---|---|---|---|
| CN201510044637.5A CN104588673B (en) | 2015-01-28 | 2015-01-28 | A kind of device and method for efficiently preparing metal ball shaped superfine powder |
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| CN104588673B true CN104588673B (en) | 2018-03-13 |
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Families Citing this family (15)
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| CN105758177B (en) * | 2015-12-31 | 2018-10-09 | 安泰科技股份有限公司 | A kind of combined type sensing heating crucible |
| US11110540B2 (en) * | 2016-05-02 | 2021-09-07 | Electronics And Telecommunications Research Institute | Extruder for metal material and 3D printer using the same |
| CN106735275B (en) * | 2016-12-07 | 2019-08-09 | 深圳微纳增材技术有限公司 | A kind of metal powder preparation method and device suitable for 3D printing |
| CN107570717A (en) * | 2017-07-12 | 2018-01-12 | 张家港创博金属科技有限公司 | A kind of pollution-free method and device for preparing uniform grading active metal spherical powder |
| CN107262730B (en) * | 2017-08-01 | 2019-04-23 | 北京有色金属研究总院 | A kind of the gas atomization preparation method and its equipment of superfine spherical metal powder |
| CN107490532B (en) * | 2017-08-16 | 2019-10-25 | 清华大学 | A kind of device and method of determining flight high-temperature particle geometric scale |
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| CN107824793B (en) * | 2017-10-31 | 2020-12-15 | 中国科学院过程工程研究所 | Device and method for preparing superfine monodisperse metal microspheres |
| CN108465823A (en) * | 2018-05-30 | 2018-08-31 | 浙江亚通焊材有限公司 | A kind of preparation facilities of increasing material manufacturing metal powder |
| FR3083465B1 (en) * | 2018-07-03 | 2020-07-17 | Institut Polytechnique De Grenoble | GRANULATION PROCESS AND DEVICE |
| CN108941593B (en) * | 2018-07-09 | 2020-02-14 | 华中科技大学 | Device and method for preparing metal powder by utilizing electromagnetic force |
| CN109014227A (en) * | 2018-09-25 | 2018-12-18 | 大连理工大学 | A kind of device and method preparing superfine spherical metal powder by drop centrifugal atomization |
| CN109047786B (en) * | 2018-09-25 | 2020-11-24 | 大连理工大学 | Device and method for efficiently preparing spherical metal powder for 3D printing in fibrous splitting mode |
| CN109093127B (en) * | 2018-09-25 | 2020-11-24 | 中国人民解放军陆军装甲兵学院 | Device and method for preparing spherical metal powder based on uniform droplet one-by-one atomization method |
| AT523012B1 (en) | 2019-10-15 | 2022-07-15 | Rimmer Dipl Ing Dr Karl | METHOD AND DEVICE FOR THE PRODUCTION OF A METAL POWDER |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01142005A (en) * | 1987-11-30 | 1989-06-02 | Miyagi Kogyo Koutou Senmon Gatsukouchiyou | Manufacture of rapidly cooled high purity metal atomized powder |
| CN100503091C (en) * | 2007-10-16 | 2009-06-24 | 天津大学 | Uniform liquid drop injecting three-dimensional fast shaping method and apparatus thereof |
| CN101138791A (en) * | 2007-10-16 | 2008-03-12 | 天津大学 | Even-sized particles producing device and method for preparing the same |
| EP2058129A1 (en) * | 2007-11-09 | 2009-05-13 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Droplet break-up device |
| CN101912973B (en) * | 2010-07-29 | 2012-07-04 | 大连理工大学 | Method and device for preparing uniform solidified particles by orifice injection |
| CN102736450B (en) * | 2012-06-15 | 2014-10-29 | 华中科技大学 | Metallic target generator without vibrating rod |
| CN103056367B (en) * | 2012-12-29 | 2015-07-29 | 大连理工大学 | A kind of method based on pulse small hole liquid drop injecting three-dimensional fast shaping and device |
| CN103752838A (en) * | 2014-01-23 | 2014-04-30 | 同济大学 | Device for preparing ultra-fine metal powder in multi-stage atomization technique and use method thereof |
| CN203992411U (en) * | 2014-07-18 | 2014-12-10 | 大连理工常州研究院有限公司 | A kind of device of preparing glassy metal particle |
-
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