CN110667111A - Reinforcing rib structure for additive manufacturing - Google Patents
Reinforcing rib structure for additive manufacturing Download PDFInfo
- Publication number
- CN110667111A CN110667111A CN201910939891.XA CN201910939891A CN110667111A CN 110667111 A CN110667111 A CN 110667111A CN 201910939891 A CN201910939891 A CN 201910939891A CN 110667111 A CN110667111 A CN 110667111A
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- China
- Prior art keywords
- reinforcing bar
- additive manufacturing
- reinforcing
- panel
- bar structure
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
- B22F10/18—Formation of a green body by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]
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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]
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention belongs to the technical field of additive manufacturing, and particularly relates to a reinforcing rib structure for additive manufacturing. The reinforcing rib structure consists of a panel and reinforcing ribs on the panel, and is formed by adopting an additive manufacturing technology. The panel and the reinforcing ribs are integrally formed, and the panel has the characteristics of high light weight degree, good integral rigidity, high specific strength and the like. The reinforcing rib structure manufactured by the additive has the advantages of high forming size precision, good surface quality, one-step forming of a non-assembly surface by additive manufacturing, no need of subsequent machining, high material utilization rate and high production efficiency.
Description
Technical Field
The invention belongs to the technical field of additive manufacturing, and particularly relates to a reinforcing rib structure for additive manufacturing.
Background
With the rapid development of advanced aerospace technologies, the demands of new generation aerospace vehicles on flight time, flight speed and the like are continuously improved, and the demands of aerospace vehicles on high performance and light weight are increasingly increased under the influence of energy environments. At present, in the field of aerospace, a large thin-wall structure is an important way for realizing light weight of the structure. In order to ensure the rigidity of the integral structure of the thin-wall product, the thin-wall structure is provided with an internal framework or a reinforcing rib structure, and the traditional reinforcing rib structure is a distributed structure which is vertical and horizontal and forms a shape like a Chinese character 'jing'.
The reinforcing rib structure is formed by adopting a casting or welding method, has the characteristics of high dimensional precision control difficulty, complex technological process, low production efficiency, high production cost and the like, has high risk of casting or welding deformation of parts such as special-shaped curved surfaces and thin-wall cabin sections, and cannot ensure high-precision and high-efficiency forming of products.
Disclosure of Invention
Technical problem to be solved
The invention provides a reinforcing rib structure manufactured by additive manufacturing, which aims to solve the technical problem of how to realize high performance and light weight.
(II) technical scheme
In order to solve the technical problem, the invention provides an additive manufacturing reinforcing rib structure, which consists of a panel and reinforcing ribs on the panel and is formed by adopting an additive manufacturing technology.
Further, additive manufacturing techniques include selective laser melting, selective electron beam melting, selective laser sintering, laser stereoforming, arc additive manufacturing, stereolithography, or fused deposition.
Further, the panel and the reinforcing ribs are integrally formed by adopting an additive manufacturing technology.
Further, the reinforcing ribs are triangular, rhombic or honeycomb hexagonal.
Further, the minimum thickness dimension of the face sheet and stiffener is not less than the minimum formed entity dimension that the additive manufacturing technique used can form.
Furthermore, the panel and the reinforcing ribs are made of the same material or different materials.
Further, the panel and the reinforcing ribs are made of titanium alloy, aluminum alloy, high-temperature alloy, stainless steel or copper alloy materials.
Further, the face plate and the reinforcing ribs are made of nylon, ceramic and resin materials.
Further, the panel and the reinforcing ribs are made of carbon fiber composite materials.
(III) advantageous effects
According to the reinforcing rib structure for additive manufacturing, the panel and the reinforcing ribs are integrally formed, and the reinforcing rib structure has the characteristics of high light weight degree, good integral rigidity, high specific strength and the like. The reinforcing rib structure manufactured by the additive has the advantages of high forming size precision, good surface quality, one-step forming of a non-assembly surface by additive manufacturing, no need of subsequent machining, high material utilization rate and high production efficiency.
Drawings
FIG. 1 is a schematic plan view of a reinforcing bar structure manufactured by additive manufacturing according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an embodiment of an additive manufactured stiffener structure according to the present invention;
fig. 3 is a schematic structural diagram of a reinforcing bar support manufactured by additive manufacturing according to an embodiment of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The embodiment provides an additive manufacturing light-weight thin-wall reinforcing rib support structure, as shown in fig. 1 and 2, the reinforcing rib support structure is composed of a panel 1 and reinforcing ribs 2, and is integrally formed at one time by adopting an electron beam selective melting forming technology, and the minimum formed entity size is 0.1 mm. Wherein, the panel 1 and the reinforcing rib 2 are made of stainless steel additive manufacturing powder, and are fully connected and metallurgically bonded. The reinforcing ribs 2 in this embodiment are of an irregular honeycomb hexagonal structure. The thickness of the panel 1 and the reinforcing ribs 2 is 1mm, and the thickness of the panel and the reinforcing ribs is 0.1mm larger than the minimum physical size which can be formed by selective melting forming additive manufacturing of the used electron beams. The final formed reinforcing bar support structure is shown in figure 3.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The reinforcing rib structure is characterized by consisting of a panel and reinforcing ribs on the panel, and is formed by adopting an additive manufacturing technology.
2. The reinforcing bar structure of claim 1, wherein the additive manufacturing technique comprises selective laser melting, selective electron beam melting, selective laser sintering, laser stereoforming, arc additive manufacturing, stereolithography, or fused deposition.
3. The reinforcing bar structure of claim 1, wherein the face plate and reinforcing bar are integrally formed using additive manufacturing techniques.
4. A reinforcing bar structure according to claim 1, wherein the reinforcing bars are triangular, diamond-shaped or honeycomb hexagonal.
5. The reinforcing bar structure of claim 1, wherein the minimum thickness dimension of the face sheet and reinforcing bar is not less than the minimum forming entity dimension that can be formed by the additive manufacturing technique used.
6. The reinforcing bar structure of claim 1, wherein the face sheet and reinforcing bar are of the same material or of different materials.
7. The reinforcing bar structure of claim 1, wherein the face plate and reinforcing bar are of titanium alloy, aluminum alloy, superalloy, stainless steel or copper alloy material.
8. The reinforcing bar structure of claim 1, wherein the face plate and reinforcing bar are of nylon, ceramic and resin materials.
9. A reinforcing bar structure according to claim 1, wherein the face sheets and reinforcing bars are of carbon fibre composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939891.XA CN110667111A (en) | 2019-09-30 | 2019-09-30 | Reinforcing rib structure for additive manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910939891.XA CN110667111A (en) | 2019-09-30 | 2019-09-30 | Reinforcing rib structure for additive manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110667111A true CN110667111A (en) | 2020-01-10 |
Family
ID=69080438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910939891.XA Pending CN110667111A (en) | 2019-09-30 | 2019-09-30 | Reinforcing rib structure for additive manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110667111A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893849A (en) * | 2021-01-18 | 2021-06-04 | 北京航空航天大学 | Powder-solid coupling forming device and method for multiple layers of ribs in thin-wall part |
| CN115430840A (en) * | 2022-08-29 | 2022-12-06 | 中南大学 | Multifunctional surface modification method for weak-rigidity part based on laser additive manufacturing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3025491A1 (en) * | 2014-09-09 | 2016-03-11 | Assystem France | RAIDI PANEL FOR AIRCRAFT. |
| CN109317677A (en) * | 2018-10-16 | 2019-02-12 | 北京星航机电装备有限公司 | A kind of honeycomb sandwich construction prepared by increasing material manufacturing method |
-
2019
- 2019-09-30 CN CN201910939891.XA patent/CN110667111A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3025491A1 (en) * | 2014-09-09 | 2016-03-11 | Assystem France | RAIDI PANEL FOR AIRCRAFT. |
| CN109317677A (en) * | 2018-10-16 | 2019-02-12 | 北京星航机电装备有限公司 | A kind of honeycomb sandwich construction prepared by increasing material manufacturing method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893849A (en) * | 2021-01-18 | 2021-06-04 | 北京航空航天大学 | Powder-solid coupling forming device and method for multiple layers of ribs in thin-wall part |
| CN112893849B (en) * | 2021-01-18 | 2022-05-31 | 北京航空航天大学 | Powder-solid coupling forming device and method for multiple layers of ribs in thin-wall part |
| CN115430840A (en) * | 2022-08-29 | 2022-12-06 | 中南大学 | Multifunctional surface modification method for weak-rigidity part based on laser additive manufacturing |
| CN115430840B (en) * | 2022-08-29 | 2023-07-25 | 中南大学 | Multifunctional surface modification method for low-rigidity part based on laser additive manufacturing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200110 |