CN113858614A - Continuous fiber multilayer honeycomb sandwich plate and integrated forming method thereof - Google Patents
Continuous fiber multilayer honeycomb sandwich plate and integrated forming method thereof Download PDFInfo
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- CN113858614A CN113858614A CN202111140451.1A CN202111140451A CN113858614A CN 113858614 A CN113858614 A CN 113858614A CN 202111140451 A CN202111140451 A CN 202111140451A CN 113858614 A CN113858614 A CN 113858614A
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- 239000000835 fiber Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 238000010146 3D printing Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 72
- 239000012792 core layer Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 8
- 239000004917 carbon fiber Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
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- 238000005452 bending Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Classifications
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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
- B29C64/171—Processes of additive manufacturing specially adapted for manufacturing multiple 3D objects
- B29C64/176—Sequentially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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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
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
- B29L2031/608—Honeycomb structures
Abstract
The invention belongs to the field of composite material design and manufacture, and discloses a continuous fiber multilayer honeycomb sandwich plate and an integrated forming method thereof. In the manufacturing process, continuous fibers and base materials are heated by a spray head of equipment and then continuously extruded and formed, the spray head forms a lower panel of the honeycomb sandwich plate on the surface of a workbench, then a honeycomb core is formed on the lower panel, then an intermediate plate is formed on the honeycomb core, then the honeycomb core and the intermediate plate are formed for multiple times, and finally an upper panel of the honeycomb sandwich plate is formed on the honeycomb core on the uppermost layer. According to the invention, the continuous fiber composite material is combined with the 3D printing technology, so that the quality integrated forming of the multilayer honeycomb sandwich plate is realized.
Description
Technical Field
The invention belongs to the field of composite material design and manufacture, and relates to a continuous fiber multilayer honeycomb sandwich plate and an integrated forming method thereof.
Background
The honeycomb sandwich plate has the advantages of light weight, high bending rigidity and the like, and is widely applied to the fields of aerospace, automobile manufacturing and the like. The honeycomb sandwich panel is composed of a panel and a core, wherein the panel needs to have good tensile compression performance and is used for bearing bending load, and the core needs to have good capacity of bearing shearing load, and meanwhile, the whole structure is guaranteed to have small enough density. With the higher requirements of high-end equipment on the structural performance, how to improve various mechanical performance indexes of the sandwich plate on the premise of not increasing the overall structural density becomes the key for manufacturing the honeycomb sandwich plate.
The current commonly used honeycomb sandwich plate comprises an aluminum honeycomb plate and an aramid fiber paper honeycomb plate, the metal honeycomb plate has high performance but larger density, and the aramid fiber paper honeycomb plate has poor performance although the density is small. And the traditional manufacturing mode usually adopts split manufacturing process of core manufacturing, cutting, core/plate bonding and curing, so that the manufacturing period is long, a large number of manufacturing defects are easily generated, and the mechanical property of the honeycomb sandwich plate is seriously reduced.
Accordingly, a plurality of scholars develop extensive research, and Yuan Jian and the like invent a carbon fiber honeycomb sandwich plate, wherein an upper panel, a lower panel and a honeycomb core of the honeycomb sandwich plate are made of carbon fiber composite materials, and the integral laying and forming of each honeycomb core are realized, so that the continuity of fibers is ensured to a certain extent, but the integral forming of the whole honeycomb plate is not realized, the bonding and curing are still required, and the traditional manufacturing mode is not broken away. The northwest industry university courage and the like invent a 3D printing preparation method of a continuous carbon fiber reinforced honeycomb structure, provide a main structure and various printing parameters of a continuous carbon fiber 3D printing honeycomb structure printer, and solve the problem that the prior art cannot print the continuous carbon fiber reinforced honeycomb structure in a 3D mode to a certain extent, however, the method does not indicate the difference between a honeycomb sandwich plate panel and a core forming mechanism, and lacks a specific forming process and a forming method of a 3D printing honeycomb sandwich plate.
Disclosure of Invention
The invention aims to provide a continuous fiber composite material multilayer honeycomb sandwich plate and an integrated forming method thereof, so as to solve the problems.
The technical scheme of the invention is as follows:
a continuous fiber multilayer honeycomb sandwich panel is characterized in that the multilayer honeycomb sandwich panel comprises a lower panel 1, a honeycomb core 2, a middle panel 3 and an upper panel 4; the upper panel 4 and the lower panel 1 are respectively positioned at the upper end and the lower end of the honeycomb sandwich plate, the number of fiber layers of the upper panel and the lower panel is at least 3, and the laying path adopts a unidirectional forming path or a multidirectional forming path; at least 2 layers of the honeycomb core 2 are laid, and a symmetrical path forming mode or a unit-by-unit forming path mode is adopted; the intermediate plate 3 is positioned between the two layers of honeycomb cores 2, at least 2 layers of fiber layers are paved, and the paving path adopts a multidirectional forming path; the lower panel 1, the honeycomb core 2, the middle plate 3 and the upper panel 4 are all made of continuous fiber composite materials through 3D printing.
The multilayer honeycomb sandwich plate is a sandwich plate consisting of multilayer face plates and multilayer cores.
The lower panel 1, the honeycomb cores 2, the middle panel 3 and the upper panel 4 of the multi-layer honeycomb sandwich panel are all made of continuous fiber composite materials.
The honeycomb core 2 is at least laid in two layers, and different core layers are different in core size and core type; the core types include hexagonal, quadrangular, triangular and circular, and the core size is larger than 2 mm.
An integrated forming method of a continuous fiber multi-layer honeycomb sandwich panel, characterized by comprising the steps of:
step 1, forming continuous multi-layer fiber multifilament by continuous fibers and a base material, and forming a lower panel 1 of the honeycomb sandwich panel on a working platform after heating by a spray head of forming equipment; when the honeycomb sandwich plate has the unidirectional performance requirement, the lower panel 1 selects a unidirectional forming path, and the forming path of each layer of fiber multifilament is along the direction of the high performance requirement; otherwise, the lower panel 1 selects a multidirectional forming path, each layer of fiber multifilament adopts different path forming directions, and the angles among the paths are changed;
step 5, laying at least one layer of fiber multifilament on the honeycomb core 2 at the uppermost layer in a 'return' shape path, and then manufacturing an upper panel 4; the upper panel 4 is formed by laying a plurality of layers of fiber multifilaments; when the honeycomb sandwich panel has the unidirectional performance requirement, the upper panel 4 selects a unidirectional forming path, and the forming path of each layer of fiber multifilament is along the direction of the high performance requirement; otherwise, the upper panel 4 selects a multidirectional forming path, each layer of fiber multifilament adopts different path forming directions, and the angles among the paths are changed; until the formation of the whole multilayer honeycomb sandwich plate is completed.
In the step 3 and the step 5, when the length-width ratio of the honeycomb sandwich plate is greater than 3:2, the middle plate 3 and the upper panel 4 are laid by selecting a square-shaped path according to a square-shaped path laying mechanism; when the length-width ratio of the honeycomb sandwich plate is less than 3:2, the middle plate 3 and the upper plate 4 are connected and paved by selecting a plurality of zigzag paths according to a zigzag path paving mechanism.
In the steps 1 to 5, the angles of the different path forming directions are selected to be changed by 90 degrees or 45 degrees.
Compared with the prior art, the invention has the beneficial effects that:
the invention combines the manufacturing of the multilayer honeycomb sandwich plate with the continuous fiber composite material 3D printing technology, gets rid of the limitation that the traditional manufacturing method has complex process and is difficult to manufacture a complex honeycomb structure, realizes the integrated forming of the panel and the core of the multilayer honeycomb sandwich plate, avoids the damage to the sandwich plate under multiple processes, reduces the generation of processing defects, improves the overall performance of the structure, and greatly improves the production efficiency.
On the other hand, the invention uses the continuous fiber composite material as the materials of the sandwich panel and the core, realizes the integrated manufacture of the panel and the core by the same material, and improves the integral strength of the structure while ensuring the light weight of the structure.
Drawings
FIG. 1 is a schematic structural view of a continuous fiber multi-layer honeycomb sandwich panel of the present invention;
FIG. 2 is a flow chart of the integrated forming method of the continuous fiber multi-layer honeycomb sandwich panel of the invention;
FIG. 3(a) is a schematic view of a unidirectional forming path of the present invention;
FIG. 3(b) is a schematic view of a multidirectional forming path of the present invention;
FIG. 4(a) is a schematic diagram of a symmetrical forming path of a honeycomb core;
FIG. 4(b) is a schematic diagram of a honeycomb core cell-by-cell forming path;
FIG. 5(a) is a schematic diagram of a "loop" shaped path of the present invention;
FIG. 5(b) is a schematic diagram of a double "loop" shaped path of the present invention;
fig. 6 is a graph comparing the compressive strength of a continuous fiber multilayer honeycomb panel of the present invention with other honeycomb panels.
Detailed Description
The invention is further illustrated with reference to the following figures and examples. It should be noted that the features of the embodiments and examples in the present application may be arbitrarily combined with each other without conflict.
Example one
A method for integrally forming a continuous fiber composite material multilayer honeycomb sandwich panel comprises a lower panel 1, a honeycomb core 2, an intermediate plate 3 and an upper panel 4; the upper panel 4 and the lower panel 1 are respectively positioned at the upper end and the lower end of the honeycomb sandwich plate, the number of fiber layers of the upper panel and the lower panel is at least 3, and the laying path adopts a unidirectional forming path or a multidirectional forming path; at least 2 layers of the honeycomb core 2 are laid, and a symmetrical path forming mode or a unit-by-unit forming path mode is adopted; the intermediate plate 3 is positioned between the two layers of honeycomb cores 2, at least 2 layers of fiber layers are paved, and the paving path adopts a multidirectional forming path; the lower panel 1, the honeycomb core 2, the middle plate 3 and the upper panel 4 are all made of continuous fiber composite materials through 3D printing.
The multilayer honeycomb sandwich plate is a sandwich plate consisting of multilayer face plates and multilayer cores.
The lower panel 1, the honeycomb cores 2, the middle panel 3 and the upper panel 4 of the multi-layer honeycomb sandwich panel are all made of continuous fiber composite materials.
The honeycomb core 2 is at least laid in two layers, and different core layers are different in core size and core type; the core types include hexagonal, quadrangular, triangular and circular, and the core size is larger than 2 mm.
In this embodiment, 1K continuous carbon fiber and peek wire materials are used as raw materials to integrally form a three-layer honeycomb sandwich panel with a length of 200mm and a width of 75mm, and the overall performance requirement of the sandwich panel in the x direction is high.
In this example, the forming speed was set at 200mm/min, the heating temperature of the head of the forming apparatus was 400 ℃ and the diameter of the outlet was 0.8mm.
The integrated forming method of the multilayer honeycomb sandwich panel comprises the following specific steps:
step 1, impregnating continuous fibers and a base material in a spray head of a forming device, forming a lower panel 1 of the honeycomb sandwich plate on the surface of a workbench through a filament outlet, wherein the lower panel 1 is formed by stacking 3 layers of fibers, and the panel has higher performance requirement on the x direction, so that the forming path of each layer is along the x direction, as shown in fig. 3 (a);
and 5, stacking 3 layers of fibers to form an upper panel 4, paving a layer of fibers on the honeycomb core 2 on the uppermost layer in a 'return' shape path, wherein the panel has higher performance requirement on the x direction, and paving the later two layers in a forming path along the x direction to finish the forming of the whole multilayer honeycomb sandwich panel.
Example two
In this embodiment, a prepreg wire of continuous carbon fiber reinforced polylactic acid is used as a raw material to integrally form a double-layered honeycomb sandwich panel with a length of 200mm and a width of 160mm, and the sandwich panel has high requirements on performance in all directions.
In this example, the forming speed was set at 240mm/min, the heating temperature of the nozzle of the forming apparatus was 210 ℃, and the diameter of the outlet was 1 mm.
The integrated forming method of the multilayer honeycomb sandwich panel comprises the following specific steps:
step 1, heating a continuous carbon fiber reinforced polylactic acid wire material by a spray head of a forming device, forming a lower panel 1 of the honeycomb sandwich plate on the surface of a workbench, wherein the lower panel 1 is formed by stacking 4 layers of fibers, has high requirements on performance in all directions, and has the fiber distribution directions of 0 degree, 45 degrees, 90 degrees and 135 degrees respectively;
and 5, stacking the upper panel 4 by 4 layers of fibers, paving a layer of fibers on the honeycomb core 2 at the uppermost layer in a double-loop-shaped path, and continuously paving the layers according to the fiber distribution directions of 0 degree, 45 degrees and 90 degrees respectively as shown in figure 3b) because the panel has higher requirements on the performance of each direction, thereby finishing the forming of the whole multilayer honeycomb sandwich panel.
The following table is a comparison table of performance parameters for examples of the invention:
according to the continuous fiber composite material multilayer honeycomb sandwich plate and the integrated forming method thereof, the continuous fiber composite material 3D printing technology is applied to the manufacturing of the multilayer honeycomb sandwich plate, the integrated forming of the multilayer honeycomb sandwich plate panel and the honeycomb core is realized, the production process is simplified, and the production efficiency is improved. Meanwhile, as shown in fig. 6, the multilayer honeycomb sandwich panel manufactured by the method greatly improves the overall strength of the structure while ensuring the lightweight structure.
Claims (6)
1. A continuous fiber multilayer honeycomb sandwich panel is characterized in that the multilayer honeycomb sandwich panel comprises a lower panel (1), a honeycomb core (2), a middle plate (3) and an upper panel (4); the upper panel (4) and the lower panel (1) are respectively positioned at the upper end and the lower end of the honeycomb sandwich plate, the number of fiber layers of the upper panel and the lower panel is at least 3, and the laying path adopts a unidirectional forming path or a multidirectional forming path; the honeycomb core (2) adopts a symmetrical path forming mode or a unit-by-unit forming path mode; the intermediate plate (3) is positioned between the two layers of honeycomb cores (2), at least 2 layers of fiber layers are paved, and the paving path adopts a multidirectional forming path; the lower panel (1), the honeycomb core (2), the middle plate (3) and the upper panel (4) are all made of continuous fiber composite materials through 3D printing.
2. An integrated forming method of a continuous fiber multi-layer honeycomb sandwich panel, characterized by comprising the steps of:
step 1, forming continuous multi-layer fiber multifilament by continuous fibers and a base material, and forming a lower panel (1) of the honeycomb sandwich plate on a working platform after heating by a spray head of forming equipment; when the honeycomb sandwich plate has the unidirectional performance requirement, the lower panel (1) selects a unidirectional forming path, and the forming path of each layer of fiber multifilament is along the direction of the high performance requirement; otherwise, the lower panel (1) selects a multidirectional forming path, each layer of fiber multifilament adopts different path forming directions, and the angles among the paths are changed;
step 2, forming a honeycomb core layer on the finished lower panel (1) by a forming equipment nozzle in a specified honeycomb path, wherein the honeycomb core (2) is formed by laying a plurality of layers of fiber multifilaments; when the honeycomb sandwich plate has the unidirectional performance requirement, the honeycomb core (2) adopts a symmetrical path forming mode; otherwise, the honeycomb core (2) adopts a unit-by-unit forming path mode;
step 3, forming an intermediate plate (3) on the finished honeycomb core (2), wherein the intermediate plate (3) is formed by laying a plurality of layers of fiber multifilaments; the forming equipment comprises a spray head, a honeycomb core (2), a forming device and a middle plate (3), wherein at least one layer of fiber multifilament is laid on the honeycomb core (2) according to a 'return' -shaped path laying mechanism, then each layer of fiber multifilament is laid by selecting a multidirectional forming path, and angles among the paths are changed to finish forming of the middle plate (3);
step 4, repeating the step 2, and if the number of the core layers exceeds 2, continuously and alternately performing the step 3 and the step 2 until the honeycomb core (2) on the uppermost layer is formed;
step 5, laying at least one layer of fiber multifilament on the honeycomb core (2) at the uppermost layer in a 'return' shape path, and then manufacturing an upper panel (4); the upper panel (4) is formed by laying a plurality of layers of fiber multifilaments; when the honeycomb sandwich plate has the unidirectional performance requirement, the upper panel (4) selects a unidirectional forming path, and the forming path of each layer of fiber multifilament is along the direction of the high performance requirement; otherwise, the upper panel (4) selects a multidirectional forming path, each layer of fiber multifilament adopts different path forming directions, and the angles among the paths are changed; until the formation of the whole multilayer honeycomb sandwich plate is completed.
3. The integrated forming method of a continuous fiber multi-layered honeycomb sandwich panel according to claim 2, wherein in step 3 and step 5, when the aspect ratio of the honeycomb sandwich panel is greater than 3:2, the middle plate (3) and the upper face plate (4) are laid by selecting a zigzag path according to a zigzag path laying mechanism; when the length-width ratio of the honeycomb sandwich plate is less than 3:2, the middle plate (3) and the upper panel (4) are connected and paved by selecting a plurality of square paths according to a square path paving mechanism.
4. A method of integrally forming a continuous fiber multilayer honeycomb sandwich panel according to claim 2 or 3 wherein the angles of the different path forming directions are selected to vary by 90 ° or by 45 ° in steps 1 to 5.
5. A method of integrated forming of a continuous fibre multilayer honeycomb sandwich panel according to claim 2 or 3, characterized in that the honeycomb core (2) is laid at least two layers, the different core layers being of different core sizes and different core types; the core types include hexagonal, quadrangular, triangular and circular, and the core size is larger than 2 mm.
6. A method of integrally forming a continuous fiber multilayer honeycomb sandwich panel according to claim 4, wherein said honeycomb core (2) is laid at least two layers, different core layers being different core sizes and different core types; the core types include hexagonal, quadrangular, triangular and circular, and the core size is larger than 2 mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111140451.1A CN113858614B (en) | 2021-09-28 | 2021-09-28 | Continuous fiber multilayer honeycomb sandwich plate and integrated forming method thereof |
| PCT/CN2022/110743 WO2023051031A1 (en) | 2021-09-28 | 2022-08-08 | Continuous fibre multi-layer honeycomb sandwich plate, and integrated forming method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111140451.1A CN113858614B (en) | 2021-09-28 | 2021-09-28 | Continuous fiber multilayer honeycomb sandwich plate and integrated forming method thereof |
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| CN113858614B CN113858614B (en) | 2023-11-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051031A1 (en) * | 2021-09-28 | 2023-04-06 | 大连理工大学 | Continuous fibre multi-layer honeycomb sandwich plate, and integrated forming method therefor |
| CN115923137A (en) * | 2022-11-30 | 2023-04-07 | 南京衍构科技有限公司 | Interlayer continuous path generation method for additive manufacturing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1524105A2 (en) * | 2003-10-17 | 2005-04-20 | Euro-Composites S.A. | Lightweight material and method of production |
| US20130000247A1 (en) * | 2011-07-01 | 2013-01-03 | Sypeck David J | Highly Vented Truss Wall Honeycomb Structures and Methods of Fabrication |
| KR20170006771A (en) * | 2015-07-09 | 2017-01-18 | 기술융합협동조합 | Panel and its manufacturing method using 3D printer |
| CN106777498A (en) * | 2016-11-18 | 2017-05-31 | 上海卫星工程研究所 | The quick method for creating honeycomb sandwich panel threedimensional model |
| CN110293678A (en) * | 2019-06-28 | 2019-10-01 | 西北工业大学 | A kind of 3D printing preparation method of continuous carbon fibre enhancing honeycomb |
| CN110315747A (en) * | 2019-07-26 | 2019-10-11 | 航天特种材料及工艺技术研究所 | High strength honeycomb and its 3D printing forming method |
| CN112705709A (en) * | 2020-12-21 | 2021-04-27 | 北京航星机器制造有限公司 | Honeycomb sandwich piece and additive manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015047B (en) * | 2014-04-24 | 2017-01-25 | 沈阳航空航天大学 | Preparation method for resin honeycomb sandwich structure and composite material structure thereof |
| CN204820473U (en) * | 2015-06-15 | 2015-12-02 | 清华大学 | Compound honeycomb sandwich board |
| CN111300943A (en) * | 2020-03-25 | 2020-06-19 | 西北工业大学 | Thick-wall honeycomb sandwich structure and method |
| CN112549670A (en) * | 2020-11-27 | 2021-03-26 | 西安交通大学 | Variable-rigidity sandwich composite material structure based on 3D printing and forming method thereof |
| CN113858614B (en) * | 2021-09-28 | 2023-11-24 | 大连理工大学 | Continuous fiber multilayer honeycomb sandwich plate and integrated forming method thereof |
-
2021
- 2021-09-28 CN CN202111140451.1A patent/CN113858614B/en active Active
-
2022
- 2022-08-08 WO PCT/CN2022/110743 patent/WO2023051031A1/en unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1524105A2 (en) * | 2003-10-17 | 2005-04-20 | Euro-Composites S.A. | Lightweight material and method of production |
| US20130000247A1 (en) * | 2011-07-01 | 2013-01-03 | Sypeck David J | Highly Vented Truss Wall Honeycomb Structures and Methods of Fabrication |
| KR20170006771A (en) * | 2015-07-09 | 2017-01-18 | 기술융합협동조합 | Panel and its manufacturing method using 3D printer |
| CN106777498A (en) * | 2016-11-18 | 2017-05-31 | 上海卫星工程研究所 | The quick method for creating honeycomb sandwich panel threedimensional model |
| CN110293678A (en) * | 2019-06-28 | 2019-10-01 | 西北工业大学 | A kind of 3D printing preparation method of continuous carbon fibre enhancing honeycomb |
| CN110315747A (en) * | 2019-07-26 | 2019-10-11 | 航天特种材料及工艺技术研究所 | High strength honeycomb and its 3D printing forming method |
| CN112705709A (en) * | 2020-12-21 | 2021-04-27 | 北京航星机器制造有限公司 | Honeycomb sandwich piece and additive manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023051031A1 (en) * | 2021-09-28 | 2023-04-06 | 大连理工大学 | Continuous fibre multi-layer honeycomb sandwich plate, and integrated forming method therefor |
| CN115923137A (en) * | 2022-11-30 | 2023-04-07 | 南京衍构科技有限公司 | Interlayer continuous path generation method for additive manufacturing |
| CN115923137B (en) * | 2022-11-30 | 2023-12-19 | 南京衍构科技有限公司 | Interlayer continuous path generation method for additive manufacturing |
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| CN113858614B (en) | 2023-11-24 |
| WO2023051031A1 (en) | 2023-04-06 |
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