CN117680714A - Electron beam forming powder spreading device - Google Patents
Electron beam forming powder spreading device Download PDFInfo
- Publication number
- CN117680714A CN117680714A CN202410141945.9A CN202410141945A CN117680714A CN 117680714 A CN117680714 A CN 117680714A CN 202410141945 A CN202410141945 A CN 202410141945A CN 117680714 A CN117680714 A CN 117680714A
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- powder
- forming
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- spreading device
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- 239000000843 powder Substances 0.000 title claims abstract description 187
- 238000003892 spreading Methods 0.000 title claims abstract description 43
- 238000010894 electron beam technology Methods 0.000 title claims abstract description 42
- 238000007639 printing Methods 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 23
- 238000007790 scraping Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 238000004321 preservation Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- 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
- B22F12/50—Means for feeding of material, e.g. heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
-
- 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
- B22F12/60—Planarisation devices; Compression devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses an electron beam forming powder spreading device, which comprises a forming cylinder, a powder cylinder and a powder spreading device; the top end of the forming cylinder is provided with a mouth part, and a forming platform and a forming cylinder inner core are arranged in the forming cylinder; the forming cylinder inner core is vertically arranged in the forming cylinder, and the forming platform is sleeved on the forming cylinder inner core and can move up and down; the powder spreading device is used for transferring the metal powder in the powder cylinder to the forming platform. According to the electron beam forming powder spreading device, the forming cylinder inner core with the variable diameter is selected according to the external dimension of the annular part to be printed, and powder is only required to fill the annular gap during printing, and the space occupied by the forming cylinder inner core is not required to fill the powder, so that the using amount of the powder is effectively reduced; reducing the time and energy required to preheat the fill powder to printing temperature; the printing efficiency is effectively improved, and the effects of saving energy, improving efficiency and reducing cost are remarkable.
Description
Technical Field
The invention relates to the technical field of additive manufacturing, in particular to an electron beam forming powder spreading device.
Background
The electron beam additive manufacturing technology is a powder bed melting additive manufacturing technology taking high-energy electron beams as energy sources, has irreplaceability in the aspect of forming difficult-to-process material systems such as difficult welding, hard and brittle and the like due to the characteristics of low stress and high vacuum in the forming process, is most valuable to be applied in the fields of aerospace, weapon equipment and the like, particularly for printing large-size high-value parts such as aero-engine combustion chambers and the like, has the problems of long printing period, high powder consumption and the like all the time in the traditional electron beam powder bed equipment, and severely limits the development and popularization of electron beam selective melting technology.
Disclosure of Invention
The invention aims to solve the technical problems of large metal powder usage, low utilization rate, low printing efficiency, printing cost and long printing period in the prior art.
In order to solve the technical problems, the aim of the invention is realized by the following technical scheme: the electron beam forming powder spreading device comprises a forming cylinder, a printing part, metal powder, a forming platform, a core in the forming cylinder, a Z-axis guide shaft, a self-centering clamping device, a powder falling barrel, a linear guide rail, a powder cylinder, a powder spreading device, a powder cylinder bottom plate, a powder cylinder Z-axis lifting device and an operation platform.
Preferably, the top end of the forming cylinder is provided with a mouth, a forming platform and a forming cylinder inner core are arranged in the forming cylinder, the forming cylinder inner core is vertically arranged in the forming cylinder, and the forming platform is sleeved on the forming cylinder inner core and can move up and down.
Preferably, the device also comprises a servo motor, and the Z-axis guide shaft is arranged below the forming platform; the Z-axis guide shaft is connected with the forming platform and the servo motor, and the servo motor drives the Z-axis guide shaft to enable the forming platform to move up and down.
Preferably, the self-centering clamping device is arranged at the bottom of the forming cylinder, and the core in the forming cylinder is fixed in the forming cylinder through the self-centering clamping device.
Preferably, the forming cylinder inner core is a cylindrical stainless steel cylinder body with different specifications, and the diameter of the forming cylinder inner core is selected according to the size of the part; the principle is that according to the overall dimension of the annular part to be printed, the forming cylinder inner core with slightly smaller inner diameter is selected, so that the filling amount of metal powder and the powder preheating time in the printing process can be effectively reduced, and the printing efficiency is effectively improved. The size and shape of the forming cylinder inner core are determined according to the characteristics of the part, and a certain distance is reserved between the upper surface of the forming cylinder inner core and the printing plane, so that the filled powder can meet the functional requirement of powder bed heat preservation in the printing process.
Preferably, the forming platform is configured to provide a carrier platform and a forming condition basis for the formed part.
Preferably, the self-centering clamping device is a clamping device which has the advantages of self-centering and diameter changing according to different diameter and size requirements, and is used for providing self-centering clamping for forming cylinder cores with different calibers.
Preferably, the Z-axis guiding shaft device is a device capable of converting the rotation motion of the servo motor into a linear motion along the Z-axis direction. Which acts to provide the forming table with up and down linear motion in the Z-axis direction.
Preferably, the forming cylinder and the powder cylinder are fixed on the working platform; the mouth of the forming cylinder is flush with the working platform, and the upper end of the core in the forming cylinder is lower than the mouth of the forming cylinder.
Preferably, a powder cylinder bottom plate is arranged in the powder cylinder, a powder cylinder Z-axis lifting device and a powder cylinder servo motor are arranged below the powder cylinder bottom plate, the powder cylinder Z-axis lifting device is connected with the powder cylinder bottom plate and the powder cylinder servo motor, and the powder cylinder servo motor drives the powder cylinder Z-axis lifting device to enable the powder cylinder bottom plate to move up and down.
Preferably, the linear guide rail is positioned above the forming cylinder and the powder cylinder; the powder spreading device is arranged on the linear guide rail, and can slide along the linear guide rail to transfer the metal powder in the powder cylinder onto the forming platform.
Preferably, the powder falling barrel is positioned below the operation platform, and the forming cylinder is positioned between the powder falling barrel and the powder cylinder; the operation platform is provided with a powder falling port, and the powder falling port is positioned above the powder falling barrel.
The application of the electron beam forming powder spreading device in electron beam forming printing of parts comprises the following specific operation steps:
(1) Fixing the core in the forming cylinder by using a self-centering clamping device;
(2) Adjusting the height of the forming platform through the Z-axis guide shaft device so that the forming platform moves to a forming plane along the Z-axis direction, and filling a gap between the forming platform and a forming cylinder inner core with metal powder for printing parts;
(3) Heating the forming platform to a preheating temperature in a vacuum environment;
(4) The Z-axis lifting device of the powder cylinder is adjusted to lift, and metal powder in the powder cylinder is ejected;
(5) Uniformly paving the metal powder above the forming platform by a powder paving device to form a first powder layer;
(6) Preheating the powder layer by using a high-energy electron beam with a scanning speed set by a process to obtain a pre-sintered second powder layer;
(7) Melting the presintered second powder layer by using a low-energy electron beam with a scanning speed set by a process to obtain a formed layer;
(8) Carrying out heat preservation on the forming layer by using a high-energy electron beam with a scanning speed set by a process, and maintaining the heat preservation temperature set by the process to obtain a sintered third powder layer;
(9) Lowering the height of the forming platform, and repeating the operations from the step (4) to the step (8) until the part is formed.
The invention has the beneficial effects that: (1) According to the overall dimension of the annular part to be printed, the forming cylinder inner core with the variable diameter is selected, and powder is only required to fill the annular gap during printing, so that the space occupied by the forming cylinder inner core is not required to be filled with the powder, and the using amount of the powder is effectively reduced; (2) Reducing the time and energy required to preheat the fill powder to printing temperature; (3) The printing efficiency is effectively improved, and the effects of saving energy, improving efficiency and reducing cost are remarkable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a top view of an electron beam forming powder spreading device for annular parts according to embodiment 2 of the present invention.
Fig. 2 is a front cross-sectional view of the electron beam forming powder spreading device for annular parts provided in embodiment 2 of the present invention.
Fig. 3 is a schematic top view of a mechanism of an electron beam forming powder spreading device according to embodiment 2 of the present invention.
Fig. 4 is a schematic elevation sectional view of a mechanism of an electron beam forming powder spreading device provided in embodiment 2 of the present invention.
The figure identifies the description: 1-forming cylinder, 2-printing part, 3-metal powder, 4-forming platform, 5-forming cylinder inner core, 6-Z axis guiding shaft, 7-self-centering clamping device, 8-vacuum chamber, 9-powder falling barrel, 10-linear guide rail, 11-powder cylinder, 12-powder spreading device, 13-powder cylinder bottom plate, 14-powder cylinder Z axis lifting device and 15-working platform.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
An electron beam forming powder spreading device comprises a forming cylinder, a powder cylinder and a powder spreading device; the top end of the forming cylinder is provided with a mouth part, and a forming platform and a forming cylinder inner core are arranged in the forming cylinder; the forming cylinder inner core is vertically arranged in the forming cylinder, and the forming platform is sleeved on the forming cylinder inner core and can move up and down; the powder spreading device is used for transferring the metal powder in the powder cylinder to the forming platform. The device also comprises a Z-axis guide shaft and a servo motor, wherein the Z-axis guide shaft is arranged below the forming platform; the Z-axis guide shaft is connected with the forming platform and the servo motor, and the servo motor drives the Z-axis guide shaft to enable the forming platform to move up and down. The self-centering clamping device is arranged at the bottom of the forming cylinder, and a core in the forming cylinder is fixed in the forming cylinder through being connected with the self-centering clamping device. The forming cylinder inner core is cylindrical.
The application of the electron beam forming powder spreading device in the embodiment 1 in electron beam forming printing of parts is as follows:
(1) Fixing the core in the forming cylinder by using a self-centering clamping device;
(2) Adjusting the height of the forming platform through the Z-axis guide shaft device so that the forming platform moves to a forming plane along the Z-axis direction, and filling a gap between the forming platform and a forming cylinder inner core with metal powder for printing parts;
(3) Heating the forming platform to a preheating temperature in a vacuum environment;
(4) The Z-axis lifting device of the powder cylinder is adjusted to lift, and metal powder in the powder cylinder is ejected;
(5) Uniformly paving the metal powder above the forming platform by a powder paving device to form a first powder layer;
(6) Preheating the powder layer by using a high-energy electron beam with a scanning speed set by a process to obtain a pre-sintered second powder layer;
(7) Melting the presintered second powder layer by using a low-energy electron beam with a scanning speed set by a process to obtain a formed layer;
(8) Carrying out heat preservation on the forming layer by using a high-energy electron beam with a scanning speed set by a process, and maintaining the heat preservation temperature set by the process to obtain a sintered third powder layer;
(9) Lowering the height of the forming platform, and repeating the operations from the step (4) to the step (8) until the part is formed.
Example 2
As shown in fig. 1 to 4, the electron beam forming powder spreading device includes: the device comprises a forming cylinder 1, a printing part 2, metal powder 3, a forming platform 4, a forming cylinder inner core 5, a Z-axis guide shaft 6, a self-centering clamping device 7, a vacuum chamber 8, a powder falling barrel 9, a linear guide rail 10, a powder cylinder 11, a powder spreading device 12, a powder cylinder bottom plate 13, a powder cylinder Z-axis lifting device 14 and a working platform 15.
The top end of the forming cylinder 1 is provided with a mouth part, and a forming platform 4 and a forming cylinder inner core 5 are arranged in the forming cylinder; a forming platform 4 and a forming cylinder inner core 5 are arranged in the forming cylinder 1; the forming cylinder inner core 5 is vertically arranged in the forming cylinder 1, and the forming platform 4 is sleeved on the forming cylinder inner core 5 and can move up and down; the powder spreading device 12 is used for transferring the metal powder 3 in the powder cylinder 11 onto the forming platform 4. The in-cylinder core 5 selected in this example 2 was a cylindrical stainless steel cylinder, and its diameter was selected according to the size of the part.
The Z-axis guide shaft 6 is arranged below the forming platform 4, and the forming platform 4 can move up and down; the self-centering clamping device 7 is arranged at the bottom of the forming cylinder 1, and the forming cylinder inner core 5 is fixed in the forming cylinder 1 through connecting the self-centering clamping device 7.
The forming cylinder 1 and the powder cylinder 11 are fixed on the working platform 15; the mouth of the forming cylinder 1 is flush with the working platform 15, and the upper end of the forming cylinder inner core 5 is lower than the mouth of the forming cylinder 1.
The powder cylinder 11 is internally provided with a powder cylinder bottom plate 13, a powder cylinder Z-axis lifting device 14 and a powder cylinder servo motor are arranged below the powder cylinder bottom plate 13, the powder cylinder Z-axis lifting device 14 is connected with the powder cylinder bottom plate and the powder cylinder servo motor, and the powder cylinder servo motor drives the powder cylinder Z-axis lifting device 14 to enable the powder cylinder bottom plate 13 to move up and down.
The linear guide rail 10 is positioned above the forming cylinder 1 and the powder cylinder 11; the powder spreading device 12 is arranged on the linear guide rail 10, and the powder spreading device 12 can slide along the linear guide rail 10 to transfer the metal powder 3 in the powder cylinder 11 to the forming platform 4.
The mouth of the powder cylinder 11 is flush with the working platform 15, the powder spreading device 12 is provided with a scraping plate, and the powder spreading device 12 scrapes and sends the metal powder 3 in the powder cylinder onto the forming platform 4 through the scraping plate.
The powder falling barrel 9 is positioned below the working platform 15, and the forming cylinder 1 is positioned between the powder falling barrel 9 and the powder cylinder 11; the operation platform 15 is provided with a powder falling port which is positioned above the powder falling barrel 9.
The application of the electron beam forming powder spreading device in the embodiment 2 in electron beam forming printing of parts is as follows:
(1) Fixing the core in the forming cylinder by using a self-centering clamping device;
(2) Adjusting the height of the forming platform through the Z-axis guide shaft device so that the forming platform moves to a forming plane along the Z-axis direction, and filling a gap between the forming platform and a forming cylinder inner core with metal powder for printing parts;
(3) Heating the forming platform to a preheating temperature in a vacuum environment;
(4) The Z-axis lifting device of the powder cylinder is adjusted to lift, and metal powder in the powder cylinder is ejected;
(5) Uniformly paving the metal powder above the forming platform by a powder paving device to form a first powder layer;
(6) Preheating the powder layer by using a high-energy electron beam with a scanning speed set by a process to obtain a pre-sintered second powder layer;
(7) Melting the presintered second powder layer by using a low-energy electron beam with a scanning speed set by a process to obtain a formed layer;
(8) Carrying out heat preservation on the forming layer by using a high-energy electron beam with a scanning speed set by a process, and maintaining the heat preservation temperature set by the process to obtain a sintered third powder layer;
(9) Lowering the height of the forming platform, and repeating the operations from the step (4) to the step (8) until the part is formed.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. An electron beam forming powder spreading device is characterized by comprising a forming cylinder, a powder cylinder and a powder spreading device; the top end of the forming cylinder is provided with a mouth part, and a forming platform and a forming cylinder inner core are arranged in the forming cylinder; the forming cylinder inner core is vertically arranged in the forming cylinder, and the forming platform is sleeved on the forming cylinder inner core and can move up and down; the powder spreading device is used for transferring the metal powder in the powder cylinder to the forming platform.
2. The electron beam forming powder spreading device according to claim 1, further comprising a Z-axis guide shaft and a servo motor, wherein the Z-axis guide shaft is disposed below the forming platform; the Z-axis guide shaft is connected with the forming platform and the servo motor, and the servo motor drives the Z-axis guide shaft to enable the forming platform to move up and down.
3. The electron beam forming powder spreading device according to claim 1, further comprising a self-centering clamping device, wherein the self-centering clamping device is arranged at the bottom of the forming cylinder, and the forming cylinder inner core is fixed in the forming cylinder by connecting the self-centering clamping device.
4. The electron beam forming powder spreading device according to claim 3, wherein the forming cylinder core has a cylindrical shape.
5. The electron beam forming powder spreading device according to any one of claims 1 to 4, further comprising a working platform, wherein the forming cylinder and the powder cylinder are fixed on the working platform; the mouth of the forming cylinder is flush with the working platform, and the upper end of the core in the forming cylinder is lower than the mouth of the forming cylinder.
6. The electron beam forming powder spreading device according to claim 5, wherein a powder cylinder bottom plate is arranged in the powder cylinder, a powder cylinder Z-axis lifting device and a powder cylinder servo motor are arranged below the powder cylinder bottom plate, the powder cylinder Z-axis lifting device is connected with the powder cylinder bottom plate and the powder cylinder servo motor, and the powder cylinder servo motor drives the powder cylinder Z-axis lifting device to enable the powder cylinder bottom plate to move up and down.
7. The electron beam forming powder spreading device according to claim 6, further comprising a linear guide rail, wherein the linear guide rail is located above the forming cylinder and the powder cylinder; the powder spreading device is arranged on the linear guide rail, and can slide along the linear guide rail to transfer the metal powder in the powder cylinder onto the forming platform.
8. The electron beam forming powder spreading device according to claim 7, wherein the mouth of the powder cylinder is flush with the working platform, the powder spreading device is provided with a scraping plate, and the powder spreading device scrapes and sends the metal powder in the powder cylinder onto the forming platform through the scraping plate.
9. The electron beam forming and powder spreading device according to claim 8, further comprising a powder falling barrel, wherein the powder falling barrel is positioned below the operation platform, and the forming cylinder is positioned between the powder falling barrel and the powder cylinder; the operation platform is provided with a powder falling port, and the powder falling port is positioned above the powder falling barrel.
10. Use of an electron beam shaping powder spreading device according to any of claims 1-9 for electron beam shaping printing of parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410141945.9A CN117680714A (en) | 2024-02-01 | 2024-02-01 | Electron beam forming powder spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410141945.9A CN117680714A (en) | 2024-02-01 | 2024-02-01 | Electron beam forming powder spreading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117680714A true CN117680714A (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410141945.9A Pending CN117680714A (en) | 2024-02-01 | 2024-02-01 | Electron beam forming powder spreading device |
Country Status (1)
| Country | Link |
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| CN (1) | CN117680714A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576608A (en) * | 2019-09-24 | 2019-12-17 | 华中科技大学 | high-efficiency additive manufacturing method |
| CN212634317U (en) * | 2020-08-04 | 2021-03-02 | 西安铂力特增材技术股份有限公司 | SLM device capable of saving metal powder |
| CN112496352A (en) * | 2021-02-07 | 2021-03-16 | 西安赛隆金属材料有限责任公司 | Powder bed electron beam additive manufacturing equipment and method |
| WO2021180766A1 (en) * | 2020-03-10 | 2021-09-16 | Universität Paderborn | System for controlling the temperature of the construction space in powder bed fusion-based additive manufacturing installations |
| CN114346264A (en) * | 2022-03-18 | 2022-04-15 | 西安赛隆金属材料有限责任公司 | Electron beam additive manufacturing equipment and method |
| CN117139646A (en) * | 2023-09-01 | 2023-12-01 | 江苏大学 | Device and method for assisting pulse laser sintering to inhibit splashing by pulse current |
-
2024
- 2024-02-01 CN CN202410141945.9A patent/CN117680714A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576608A (en) * | 2019-09-24 | 2019-12-17 | 华中科技大学 | high-efficiency additive manufacturing method |
| WO2021180766A1 (en) * | 2020-03-10 | 2021-09-16 | Universität Paderborn | System for controlling the temperature of the construction space in powder bed fusion-based additive manufacturing installations |
| CN212634317U (en) * | 2020-08-04 | 2021-03-02 | 西安铂力特增材技术股份有限公司 | SLM device capable of saving metal powder |
| CN112496352A (en) * | 2021-02-07 | 2021-03-16 | 西安赛隆金属材料有限责任公司 | Powder bed electron beam additive manufacturing equipment and method |
| CN114346264A (en) * | 2022-03-18 | 2022-04-15 | 西安赛隆金属材料有限责任公司 | Electron beam additive manufacturing equipment and method |
| CN117139646A (en) * | 2023-09-01 | 2023-12-01 | 江苏大学 | Device and method for assisting pulse laser sintering to inhibit splashing by pulse current |
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