CN106825565A - Suitable for precinct laser fusion with rotating excitation field substrate and the 3D printing method using the substrate - Google Patents
Suitable for precinct laser fusion with rotating excitation field substrate and the 3D printing method using the substrate Download PDFInfo
- Publication number
- CN106825565A CN106825565A CN201710014119.8A CN201710014119A CN106825565A CN 106825565 A CN106825565 A CN 106825565A CN 201710014119 A CN201710014119 A CN 201710014119A CN 106825565 A CN106825565 A CN 106825565A
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- substrate
- metallic plate
- coil
- rotating excitation
- molten metal
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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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/38—Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
-
- 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
- B22F12/30—Platforms or substrates
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/003—Apparatus, e.g. furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
Band rotating excitation field substrate the present invention relates to be applied to precinct laser fusion includes hollow substrate, substrate end cap, rotating excitation field generating mechanism, controlling organization；Substrate end cap is arranged on hollow substrate and surrounds hollow cavity volume；Rotating excitation field generating mechanism includes upper metallic plate, lower metallic plate, multiple coils, upper metallic plate is parallel up and down with lower metallic plate to be arranged in hollow cavity volume, multiple coils are evenly spaced between metallic plate and lower metallic plate in same level, circuit, the circuit of the upper end of each coil, lower end the difference upper and lower metallic plate of access in parallel are provided with upper and lower metallic plate；Controlling organization controls the break-make of each coil, coil indirect current, hot-wire coil collective effect to produce the magnetic field force of rotation unidirectionally to stir molten metal in molten metal layer.Further relate to using the 3D printing method of the substrate.The present invention can make molten metal form circulation, make workpiece surface more smooth, accelerate cooling velocity, belong to 3D printing technique field.
Description
Technical field
The present invention relates to 3D printing technique, specifically, it is related to be applied to the band rotating excitation field of metal precinct laser fusion
Substrate and the 3D printing method using the substrate.
Background technology
Substrate in current 3D printer is one piece of common metallic plate, can only play the fixed support of forming part bottom
Effect, do not have other any supplementary instruments or mechanism go improve forming part surface quality.
It is development 3D printing technique, present urgent problem is to go to improve selective laser fusing using minimum cost
Forming technique, the workpiece for alloing it to obtain higher precision.
The content of the invention
For technical problem present in prior art, the purpose of the present invention is：A kind of generation by coil is provided to rotate
Magnetic field force carries out unidirectional agitation to molten metal and is applied to improving workpiece surface quality and accelerating molten metal cooling velocity
Precinct laser fusion with rotating excitation field substrate and using the substrate 3D printing method.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
Occur suitable for the band rotating excitation field substrate of precinct laser fusion, including hollow substrate, substrate end cap, rotating excitation field
Mechanism, controlling organization；Substrate end cap is arranged on hollow substrate, and both surround the hollow appearance for accommodating rotating excitation field generating mechanism
Chamber；Rotating excitation field generating mechanism includes upper metallic plate, lower metallic plate, multiple coils, and upper metallic plate is parallel up and down with lower metallic plate
Be arranged in hollow cavity volume, multiple coils are evenly spaced between metallic plate and lower metallic plate in same level, on
Circuit is provided with metallic plate and lower metallic plate, the circuit of metallic plate in the access of the upper end parallel connection of each coil, each coil
The circuit of metallic plate under the access in parallel of lower end；Controlling organization controls the break-make of each coil, during connection, coil indirect current,
Hot-wire coil collective effect produces the magnetic field force of rotation unidirectionally to stir molten metal in molten metal layer.
As one kind preferably, hollow substrate upper end is plane, and hollow substrate is opening down, substrate end cap covering hollow substrate
Opening install；Upper metallic plate and lower metallic plate are flat board, and lower metallic plate is fixed on the upper end of substrate end cap；Coil appearance sets
There is insulating barrier.
As one kind preferably, controlling organization includes controller and protection switch.
As one kind preferably, multiple coils are arranged in same level in the way of rectangular array, the line space of coil
Equal to column pitch.
As one kind preferably, multiple coils are arranged in multiple donuts in same level, in same annulus
Coil is arranged in the way of annular array.
Used as a kind of preferred, in overlook direction, coil is circle.The shape of coil can be elongated shape or short and thick
Type.
A kind of 3D printing method, using the band rotating excitation field substrate suitable for precinct laser fusion, when by layer of metal powder
When end is melted into molten metal, controlling organization connects the coil that the projection of this layer of molten metal cross section is covered, all energizations
Coil collective effect produces the magnetic field force of single direction rotation, the unidirectional agitation molten metal of annular in this layer of molten metal.
As one kind preferably, the break-make of each coil can be according to the cross section of forming part in rotating excitation field generating mechanism
Change and automatically adjust；The trajectory coordinates for accessing circuit coil are consistent with the cross section trajectory coordinates of forming part.
As it is a kind of preferably, the controller of controlling organization according to each layer of metal dust from hollow substrate upper end away from
From selecting a certain size alternating current so that the electric rotating magnetic force all same that each layer of molten metal is subject to.
As a kind of preferred, control the alternating current size of flowing through coil to control the size of rotary magnetic field force.
Principle of the invention is：By the coil collective effect of multiple indirect currents, in the molten metal layer processed
(cross section) produces rotary magnetic field force, unidirectionally stirs molten metal, and workpiece surface can not only more smoothed, and may also speed up
The cooling velocity of molten metal；Coil is uniformly arranged pixel arrays, individually controls the break-make of each coil, you can overall control
The region of magnetic field force is produced, coil configuration must be more, and Region control is finer；The size of the alternating current that control passes through coil, i.e.,
The size of controllable magnetic field force, and then control the flowing velocity of molten metal.
Generally speaking, the invention has the advantages that：
(1) molten metal can be made to form circulation, stirring molten metal makes molten metal be evenly distributed densification, can make work
Part surface is more smooth.
(2) molten metal can be made to accelerate flowing, accelerates cooling velocity.
(3) can within the workpiece produce vortex, pre- heated work pieces can improve the mechanical property of workpiece.
(4) operation principle is simple, low cost, energy-conserving and environment-protective, pollution-free.
(5) simple structure, it is easy to make.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is internal structure schematic diagram of the invention.
Fig. 3 is the top view of coil.
Fig. 4 is the stereogram of hollow substrate.
Fig. 5 is the sectional view in hollow substrate main view direction.
Wherein, 1 is hollow substrate, and 2 is coil, and 3 is wire, and 4 is protection switch, and 5 is controller, and 6 is upper metallic plate, 7
It is lower metallic plate, 8 is substrate end cap.
Specific embodiment
Come that the present invention will be further described in detail below.
Occur suitable for the band rotating excitation field substrate of precinct laser fusion, including hollow substrate, substrate end cap, rotating excitation field
Mechanism, controlling organization.
Hollow substrate upper end is plane, and for supporting forming part, hollow substrate is opening down, and the covering of substrate end cap is hollow
The opening of substrate is installed, and both surround the hollow cavity volume for accommodating rotating excitation field generating mechanism.
Rotating excitation field generating mechanism includes upper metallic plate, lower metallic plate, multiple coils, and upper metallic plate and lower metallic plate are upper and lower
Parallel is arranged in hollow cavity volume, multiple coils be evenly spaced in same level metallic plate and lower metallic plate it
Between.Circuit is provided with upper metallic plate and lower metallic plate, the circuit of metallic plate, each line in the access of the upper end parallel connection of each coil
The circuit of metallic plate under the access in parallel of the lower end of circle, the break-make of each coil can independent control.Upper metallic plate and lower metallic plate are equal
It is flat board, lower metallic plate is fixed on the upper end of substrate end cap；Coil appearance is provided with insulating barrier, in case coil and upper metallic plate, under
Metallic plate short circuit.Multiple coils are arranged in same level in the way of rectangular array, and the line space of coil is equal to column pitch.
Controlling organization includes the controller and the protection switch that are connected by wire, positioned at the outside of hollow cavity volume.Control machine
Structure controls the break-make of each coil, during connection, coil indirect current, and all hot-wire coil collective effects are with the gold processed
Rotary magnetic field force is formed in category liquation, molten metal is unidirectionally stirred.
When work, computer controls generating laser melts the metal dust of designated area to 3D metallic prints machine,
Because the cross-sectional area of forming part is different, the trajectory coordinates that each layer of computer export model to controller, controller sends
Instruction control need be powered coil access circuit in so that the trajectory coordinates of the molten metal transverse cross-sectional area of laser fusion with
The trajectory coordinates for accessing circuit coil are consistent.
When coil indirect current, all hot-wire coil collective effects can produce rotating excitation field in molten metal, work as magnetic strength
Induced-current can be produced during the molten metal of wire cutting laser molten pool, the molten metal of current-carrying is mutual with magnetic field equivalent to conductor
Effect, produces electromagnetic force.In the presence of electromagnetic force, force molten metal to form circulation, play the effect of stirring molten metal
The control process of coil current size is：Metal dust often spreads one layer, and then substrate declines, its dropping distance and
Layer metal dust consistency of thickness, controller with a distance from substrate, selects a certain size exchange according to each layer of metal dust
Stream electricity so that the electromagnetic force being subject to of each layer of molten metal is roughly equal.
Coil is passed through alternating current, then coil just produces alternating magnetic field.Workpiece is equivalent to conductor, in closed circuit
Magnetic flux is constantly changing, so the circumferencial direction in conductor can produce induced electromotive force and induced-current, so in work
Vortex is formed in part, big calorimetric is produced.
In the present embodiment, the circuit of coil and upper metallic plate, the connected mode of the circuit of lower metallic plate, controlling organization and electricity
The connected mode on road is prior art, and effect is the break-make for individually controlling each coil.
In addition to the mode that the present embodiment is referred to, multiple coils are arranged in multiple donuts in same level, place
Arranged in the way of annular array in the coil of same annulus, the distance between annulus is equal.The region of all coils covering can
It is rectangle, circular or other desired shape, the quantity and density of coil can flexibly be set according to actual needs.The shape of coil
Shape can be elongated shape or short-thick type.These mapping modes are within the scope of the present invention.
Above-described embodiment is the present invention preferably implementation method, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from Spirit Essence of the invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. suitable for the band rotating excitation field substrate of precinct laser fusion, it is characterised in that：Including hollow substrate, substrate end cap, rotation
Turn magnetic field generating means, controlling organization；Substrate end cap is arranged on hollow substrate, and both surround receiving rotating excitation field generating mechanism
Hollow cavity volume；Rotating excitation field generating mechanism includes upper metallic plate, lower metallic plate, multiple coils, upper metallic plate and lower metallic plate
Parallel up and down to be arranged in hollow cavity volume, multiple coils are evenly spaced in metallic plate and lower metallic plate in same level
Between, circuit is provided with upper metallic plate and lower metallic plate, the circuit of metallic plate in the access of the upper end parallel connection of each coil, respectively
The circuit of metallic plate under the access in parallel of the lower end of coil；Controlling organization controls the break-make of each coil, and during connection, coil is logical to be handed over
Stream electricity, hot-wire coil collective effect produces the magnetic field force of rotation unidirectionally to stir molten metal in molten metal layer.
2. according to the band rotating excitation field substrate suitable for precinct laser fusion described in claim 1, it is characterised in that：Hollow base
Plate upper end is plane, and hollow substrate is opening down, and the opening of substrate end cap covering hollow substrate is installed；Upper metallic plate and lower metal
Plate is flat board, and lower metallic plate is fixed on the upper end of substrate end cap；Coil appearance is provided with insulating barrier.
3. according to the band rotating excitation field substrate suitable for precinct laser fusion described in claim 1, it is characterised in that：Control machine
Structure includes controller and protection switch.
4. according to the band rotating excitation field substrate suitable for precinct laser fusion described in claim 1, it is characterised in that：Multiple lines
Circle is arranged in same level in the way of rectangular array, and the line space of coil is equal to column pitch.
5. according to the band rotating excitation field substrate suitable for precinct laser fusion described in claim 1, it is characterised in that：Multiple lines
Circle is arranged in multiple donuts in same level, and the coil in same annulus is arranged in the way of annular array.
6. according to the band rotating excitation field substrate suitable for precinct laser fusion described in claim 1, it is characterised in that：Overlook
On direction, coil is circle.
7. a kind of 3D printing method, is rotated using the band suitable for precinct laser fusion any one of claim 1 to 6
Magnetic field substrate, it is characterised in that：When layer of metal powder is melted into molten metal, controlling organization connects this layer of molten metal
The coil that the projection of cross section is covered, all hot-wire coil collective effects produce the magnetic of single direction rotation in this layer of molten metal
Field force, the unidirectional agitation molten metal of annular.
8. according to a kind of 3D printing method described in claim 7, it is characterised in that：Each coil in rotating excitation field generating mechanism
Break-make can be automatically adjusted according to the change of the cross section of forming part；Access trajectory coordinates and the shaping zero of circuit coil
The cross section trajectory coordinates of part are consistent.
9. according to a kind of 3D printing method described in claim 7, it is characterised in that：The controller of controlling organization is according to each layer
Metal dust with a distance from hollow substrate upper end, select a certain size alternating current so that what each layer of molten metal was subject to
Electric rotating magnetic force all same.
10. according to a kind of 3D printing method described in claim 7, it is characterised in that：Control the alternating current size of flowing through coil
To control the size of rotary magnetic field force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014119.8A CN106825565B (en) | 2017-01-09 | 2017-01-09 | Suitable for precinct laser fusion with rotating excitation field substrate and using the 3D printing method of the substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014119.8A CN106825565B (en) | 2017-01-09 | 2017-01-09 | Suitable for precinct laser fusion with rotating excitation field substrate and using the 3D printing method of the substrate |
Publications (2)
| Publication Number | Publication Date |
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| CN106825565A true CN106825565A (en) | 2017-06-13 |
| CN106825565B CN106825565B (en) | 2019-01-08 |
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| CN201710014119.8A Active CN106825565B (en) | 2017-01-09 | 2017-01-09 | Suitable for precinct laser fusion with rotating excitation field substrate and using the 3D printing method of the substrate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189409A (en) * | 2018-02-14 | 2018-06-22 | 北京大学 | Mating 4D printing techniques magnetic field excitation control system and 4D micro-nano printing devices |
| CN109746444A (en) * | 2019-01-21 | 2019-05-14 | 西北工业大学 | A method of increasing material manufacturing residual stress and unstable state are reduced by optimization substrate |
| CN111112617A (en) * | 2020-01-02 | 2020-05-08 | 江苏科技大学 | Baseplate for reducing heat input in laser additive manufacturing process |
| CN111168065A (en) * | 2020-01-02 | 2020-05-19 | 江苏科技大学 | Base plate for laser additive manufacturing |
| CN111558718A (en) * | 2020-05-25 | 2020-08-21 | 上海大学 | High-energy beam additive manufacturing and forming device and forming method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325140A (en) * | 2014-11-18 | 2015-02-04 | 韶关学院 | Method and device for flexibly spreading metal powder for selective laser melting additive manufacturing |
| JP2015229781A (en) * | 2014-06-03 | 2015-12-21 | 国立大学法人横浜国立大学 | Production method and production apparatus of magnetic material core and operation method of the production apparatus |
| CN105312572A (en) * | 2015-11-17 | 2016-02-10 | 北京科技大学 | Molten iron alloy low-gravity 3D printing method and device |
| CN105522153A (en) * | 2016-02-05 | 2016-04-27 | 东南大学 | Laser material increase manufacturing device assisted by electromagnetic field |
| CN105946229A (en) * | 2016-05-04 | 2016-09-21 | 杭州研智科技有限公司 | 3d printer and control method thereof |
| CN106141185A (en) * | 2016-08-13 | 2016-11-23 | 中北大学 | Selective laser melting SLM formation cylinder under high-intensity magnetic field |
-
2017
- 2017-01-09 CN CN201710014119.8A patent/CN106825565B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015229781A (en) * | 2014-06-03 | 2015-12-21 | 国立大学法人横浜国立大学 | Production method and production apparatus of magnetic material core and operation method of the production apparatus |
| CN104325140A (en) * | 2014-11-18 | 2015-02-04 | 韶关学院 | Method and device for flexibly spreading metal powder for selective laser melting additive manufacturing |
| CN105312572A (en) * | 2015-11-17 | 2016-02-10 | 北京科技大学 | Molten iron alloy low-gravity 3D printing method and device |
| CN105522153A (en) * | 2016-02-05 | 2016-04-27 | 东南大学 | Laser material increase manufacturing device assisted by electromagnetic field |
| CN105946229A (en) * | 2016-05-04 | 2016-09-21 | 杭州研智科技有限公司 | 3d printer and control method thereof |
| CN106141185A (en) * | 2016-08-13 | 2016-11-23 | 中北大学 | Selective laser melting SLM formation cylinder under high-intensity magnetic field |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189409A (en) * | 2018-02-14 | 2018-06-22 | 北京大学 | Mating 4D printing techniques magnetic field excitation control system and 4D micro-nano printing devices |
| CN109746444A (en) * | 2019-01-21 | 2019-05-14 | 西北工业大学 | A method of increasing material manufacturing residual stress and unstable state are reduced by optimization substrate |
| CN109746444B (en) * | 2019-01-21 | 2021-01-15 | 西北工业大学 | Method for reducing additive manufacturing residual stress and unstable state by optimizing substrate |
| CN111112617A (en) * | 2020-01-02 | 2020-05-08 | 江苏科技大学 | Baseplate for reducing heat input in laser additive manufacturing process |
| CN111168065A (en) * | 2020-01-02 | 2020-05-19 | 江苏科技大学 | Base plate for laser additive manufacturing |
| CN111558718A (en) * | 2020-05-25 | 2020-08-21 | 上海大学 | High-energy beam additive manufacturing and forming device and forming method |
| WO2021237984A1 (en) * | 2020-05-25 | 2021-12-02 | 上海大学 | High-energy beam additive fabrication forming device and forming method |
| US20220288695A1 (en) * | 2020-05-25 | 2022-09-15 | Shanghai University | High-energy beam additive manufacturing forming device and forming method |
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| Publication number | Publication date |
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| CN106825565B (en) | 2019-01-08 |
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