CN109228404A - A kind of various dimensions increasing material manufacturing method for continuous fiber reinforced composite materials shaping structures - Google Patents
A kind of various dimensions increasing material manufacturing method for continuous fiber reinforced composite materials shaping structures Download PDFInfo
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- CN109228404A CN109228404A CN201810916282.8A CN201810916282A CN109228404A CN 109228404 A CN109228404 A CN 109228404A CN 201810916282 A CN201810916282 A CN 201810916282A CN 109228404 A CN109228404 A CN 109228404A
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- reinforced composite
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- fiber reinforced
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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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/38—Automated lay-up, e.g. using robots, laying filaments according to predetermined patterns
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
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- Moulding By Coating Moulds (AREA)
Abstract
本发明公开一种用于连续纤维增强复合材料结构成型的多维度增材制造方法，通过多维度增材制造，实现连续纤维增强复合材料零件的加工。通过待加工零件的STL文件分析，选择结构分层，将零件分为基材层和纤维层；对基材层进行切片分析，规划打印路径；对纤维层分析生成铺放轨迹、缠绕轨迹；最终生成制造Gcode文件发送给制造设备。本发明能够突破连续纤维增强复合材料的传统制造方法，即通过增材制造的方法，使连缠绕更快捷、方便实现。通过这种方法，可以直接制造复杂外形的零件，达到快速、低成本制造复杂连续纤维增强复合材料的目的。另一方面，这种制造方式也提升了传统增材制造零件的力学性能，由此拓宽传统增材制造零件的应用场景。
The invention discloses a multi-dimensional additive manufacturing method for continuous fiber reinforced composite material structure molding, which realizes the processing of continuous fiber reinforced composite material parts through the multi-dimensional additive manufacturing. Through the STL file analysis of the part to be processed, the structural layering is selected, and the part is divided into the substrate layer and the fiber layer; the substrate layer is sliced and analyzed, and the printing path is planned; the fiber layer is analyzed to generate the laying track and winding track; finally Generate manufacturing Gcode files to send to manufacturing equipment. The invention can break through the traditional manufacturing method of the continuous fiber reinforced composite material, that is, through the additive manufacturing method, so that the continuous winding can be realized more quickly and conveniently. Through this method, parts with complex shapes can be directly manufactured, so as to achieve the purpose of manufacturing complex continuous fiber reinforced composite materials quickly and at low cost. On the other hand, this manufacturing method also improves the mechanical properties of traditional additively manufactured parts, thereby broadening the application scenarios of traditional additively manufactured parts.
Description
Technical field
The present invention relates to mechanical manufacturing engineering fields, in particular to the increasing material manufacturing method of continuous fiber reinforced composite materials
Background technique
Continuous fiber reinforced composite materials (FRP) technology is a kind of common composite material enhancing technology, is widely used in
Space flight, aviation, automobile manufacturing field.Such as fibre reinforced wing, carbon fiber automobile case, carbon fiber bicycle etc..It is existing
Continuous fiber reinforced composite materials moulding process have hand pasting forming, it is Wrapping formed, laminated into type, establishment molding etc..These at
Type technique is all more complicated, often needs matched mold, is not suitable for small lot diversification production；Die cost is very high simultaneously, needs
The manpower of outfit is also very much.
Increases material manufacturing technology is grown rapidly in recent years, and people attempt to realize that continuous fiber increases with the method for increasing material manufacturing
Strong composite material.And the implementation of existing research is all the cumulative increasing material manufacturing of three-dimensional multilayer, can not achieve curved surface
Piddler technology can not realize filament winding forming technique.The composite material parts Coating combination stress difference produced, so must
It must seek a kind of manufacturing method that more more flexible can be realized continuous fiber reinforced composite materials and manufacture.
Summary of the invention
The object of the present invention is to provide a kind of various dimensions for continuous fiber reinforced composite materials shaping structures to increase material
Manufacturing method, to solve, existing continuous fiber reinforced composite materials molding mode is complicated, manufacturing cost is high, manufacturing time is long is asked
Topic.The insufficient Coating combination stress difference of existing increasing material manufacturing design of part intensity is solved the problem of simultaneously.
The present invention is used for the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures, specifically includes down
State step:
Step 1: obtaining parts to be processed stl file, and according to design of part, the size and mechanics of stress are distributed, by part
It is divided into substrate layer and fibrous layer；Fibrous layer is divided into fiber placement layer and fiber winding layer again.
Step 2: substrate layer and fibrous sheet material are determined.
Step 3: carrying out slice calculating to substrate layer, generates slice track.
Step 4: planning fiber printing path generates fiber placement layer.
Step 5: it in the outer surface of workpiece, carries out intersecting grid winding, constitutes fiber winding layer.
Step 6: it generates manufacturing equipment and moves Gcode file, and be sent to manufacturing equipment, processed.
The present invention has the advantages that
1, the present invention is used for the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures, passes through multidimensional
Degree manufacture can carry out fiber placement according to the Impact direction of part；
2, the present invention is used for the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures, passes through multidimensional
Degree manufacture, may be implemented the winding shaping process of fibre reinforced composites, part is wrapped up with fiber, one entirety of stroke,
Promote overall performance.
3, the present invention is used for the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures, relative to biography
System fibre reinforced composites, increasing material manufacturing mode is more quick, simply.
Detailed description of the invention
Fig. 1 is the various dimensions increasing material manufacturing method flow that the present invention is used for continuous fiber reinforced composite materials shaping structures
Figure；
Fig. 2 a is the present invention for multiple in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures
Condensation material base layer and the alternate hierarchical layout of fibrous layer；
Fig. 2 b is the present invention for multiple in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures
Including condensation material base layer, the hierarchical layout of fibrous layer outside；
Fig. 3 a is the present invention for same in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures
The wound fiber placement schematic diagram of thimble；
Fig. 3 b is the present invention for handing in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures
It pitches grid type and is laid out fiber placement schematic diagram；
Fig. 3 c is the present invention for putting down in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures
Row single line is laid out fiber placement schematic diagram；
Fig. 4 a is the present invention in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures points
Dissipate fiber type laying track schematic diagram；
Fig. 4 b is the present invention for receiving in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures
Tight fiber type laying track schematic diagram；
Fig. 5 a is the present invention for more in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures
To winding path schematic diagram；
Fig. 5 b is the present invention for single in the various dimensions increasing material manufacturing method of continuous fiber reinforced composite materials shaping structures
To winding path schematic diagram.
In figure:
1- printing device 2- basis material 3- fiber placement layer
4- fiber winding layer 301- distributed fibers laying track 302- tightens fiber type laying track
401- single layer fibre winding path 402- intersects network
Specific embodiment
The present invention relates to a kind of various dimensions increasing material manufacturing methods for continuous fiber reinforced composite materials shaping structures, such as
Shown in Fig. 1, specifically includes the following steps:
Step 1: parts to be processed stl file is obtained, design of part, shape, stress condition are analyzed；Wherein, by
Power situation is according to workpiece concrete condition, and by selecting Impact direction, stress size, force distribution is determined.Thus according to part
Structure, and size referring to stress and mechanics distribution, are layered part, the basis material 2 of part is divided for be divided into substrate layer and
Fibrous layer.The substrate layer and fibrous layer of generation can be completely separated structure, or the structure mutually referred and synthesized.Wherein, base
The structure of material layer can be to have empty filling, can also be hatching solid；Fibrous layer is divided into fiber placement according to deposition form difference
Layer 3 and fiber winding layer 4.In above-mentioned delaminating process, the parameter of layering can be manually selected according to the parameter of offer, major parameter packet
Include layering thickness, substrate attribute and material, fiber content and fibrous layer array at etc..
Step 2: it distributes and determines substrate, and determine fibrous material；
Substrate material can select existing collocation by given parameters；Substrate material can be single resin material, such as polylactic acid
(PLA), acrylonitrile-butadiene-styrene (ABS) (ABS), polyether-ether-ketone (PEEK) etc. can also be the resinous wood of chopped strand enhancing
Material.
The optional carbon fiber of fibrous material, Kafra fiber, glass fibre and biocompatible silk fiber, flaxen fiber
Deng.
Step 3: carrying out slice calculating to substrate layer, generates slice track；Be sliced track can for one heart filling, line filling,
Honeycomb filling etc..
Step 4: planning fiber printing path generates fiber placement layer；
According to the workpiece stress condition of the substrate layer surface topography and determination generated in step 1, fiber placement rail is generated
Mark constitutes fiber placement layer 3.Fiber placement layer 3 is in the substrate layer surface layout continuous fiber for having printed manufacture.Fiber placement
Layer 3 is moved towards along the field of force referring to the stress model of part, avoids part specific structural features simultaneously, is spread by 1 monofilament of printing device
Put continuous fiber material.Lay down fibre mode has concentric circulating type layout, crossing net format layout, parallel single line layout etc., point
Not as shown in Fig. 3 a, Fig. 3 b, Fig. 3 c, External Shape is considered in layout, while evading special construction, such as circular hole；Until sufficiently
It is covered with substrate layer surface.Layout can be laid out according to position distribution, position concentration using difference between multiple-level surface.Wherein,
Parallel single line layout uses parallel single line layout arrangement, is back and forth laid out fiber, paving side track is divided into distributed fibers laying rail
Mark 301 and tightening fiber type laying track 302, respectively as shown in Fig. 4 a and Fig. 4 b.It can be above it after the completion of fibrous layer arrangement
Continue to cover substrate, forms the sandwich structure of fibrous layer and substrate layer.Substrate layer and fibrous layer inlay layout, by fibrous layer
It is stably fixed inside substrate, is laid out according to position distribution mode, the load ability of enhancing enhancing workpiece, sufficiently benefit can be oriented
With the anisotropic character of fiber, the purpose of comprehensive reinforced composite structure mechanical property is played.
Step 5: fiber winding layer 4 is generated.
On the basis of the lay down fibre layer that the substrate layer and step 4 generated in step 1 obtains, generates fiber and wind rail
Mark constitutes fiber winding layer 4.Fiber winding layer 4 generally meets winding line using quasi-geodesic mode in the outer surface of workpiece
Without sliding, no bridge joint condition, in certain direction of rotation, (as counterclockwise) is wound, and constantly adjustment starting point
It sets, forms the identical single layer fibre winding path 401 of winding direction, as shown in Figure 5 a；After forming winding of single layer layer, generally
It needs to repave one layer or substrates multilayer material, later in its outer surface, changes winding direction of rotation and continue to wind；Experience is multiple
Winding, can form multi-layer fiber winding path, and in network 402 is intersected between adjacent two layers fiber winding path, such as Fig. 5 b
It is shown；In winding process, printing device 1 has certain pulling force effect to fiber filament, so that winding power is controllable.4 energy of fiber winding layer
It is enough integrally to wrap up workpiece, play the role of enhancing workpiece stiffness, lifting workpieces interlayer shear stress.
Step 6: the manufacture track generated by above each step generates equipment moving Gcode file, and be sent to manufacture
Equipment is processed.
Claims (9)
1. a kind of various dimensions increasing material manufacturing method for continuous fiber reinforced composite materials shaping structures, it is characterised in that: tool
Body includes the following steps:
Step 1: obtaining parts to be processed stl file, and according to design of part, the size and mechanics of stress are distributed, and part is divided into
Substrate layer and fibrous layer；Fibrous layer is divided into fiber placement layer and fiber winding layer again；
Step 2: substrate layer and fibrous sheet material are determined；
Step 3: carrying out slice calculating to substrate layer, generates slice track；
Step 4: planning fiber printing path generates fiber placement layer；
Step 5: it in the outer surface of workpiece, carries out intersecting grid winding, constitutes fiber winding layer.
Step 6: it generates manufacturing equipment and moves Gcode file, and be sent to manufacturing equipment, processed.
2. a kind of various dimensions increasing material manufacturing side for continuous fiber reinforced composite materials shaping structures as described in claim 1
Method, it is characterised in that: in step 1, substrate layer and fibrous layer are completely separated structure, or the structure mutually referred and synthesized.
3. a kind of various dimensions increasing material manufacturing side for continuous fiber reinforced composite materials shaping structures as described in claim 1
Method, it is characterised in that: in step 1, substrate layer is to have cavity filling or hatching solid.
4. a kind of various dimensions increasing material manufacturing side for continuous fiber reinforced composite materials shaping structures as described in claim 1
Method, it is characterised in that: in step 2, substrate layer is the resin material of single resin material or chopped strand enhancing.
5. a kind of various dimensions increasing material manufacturing side for continuous fiber reinforced composite materials shaping structures as described in claim 1
Method, it is characterised in that: step 2 kind, the fibrous material of fibrous layer are carbon fiber, Kafra fiber, glass fibre, bio-compatible
Silk fiber or flaxen fiber.
6. a kind of various dimensions increasing material manufacturing side for continuous fiber reinforced composite materials shaping structures as described in claim 1
Method, it is characterised in that: in step 3, slice track is filling with one heart, line filling or honeycomb filling.
7. a kind of various dimensions increasing material manufacturing side for continuous fiber reinforced composite materials shaping structures as described in claim 1
Method, it is characterised in that: in step 4, fiber placement layer is the fiber that substrate layer surface is continuously arranged；Fiber placement layer is referring to zero
The stress model of part along field of force trend while avoiding part specific structural features, by printing device monofilament laying continuous fiber
Material.
8. a kind of various dimensions increasing material manufacturing side for continuous fiber reinforced composite materials shaping structures as described in claim 1
Method, it is characterised in that: in step 4, fiber placement layer is multilayer, and layout is intensive according to position distribution, position between multiple-level surface
Degree is laid out using difference.
9. a kind of various dimensions increasing material manufacturing side for continuous fiber reinforced composite materials shaping structures as described in claim 1
Method, it is characterised in that: in step 5, in fiber winding process, winding starting point is adjusted into position, repeatedly winds, forms multilayer
Fiber winding path.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509537A (en) * | 2019-08-09 | 2019-11-29 | 北京航空航天大学 | 3D printing method of fiber-reinforced composites with matrix material filling fiber gaps |
| CN111113889A (en) * | 2019-12-22 | 2020-05-08 | 同济大学 | A fused deposition modeling method using cored wire |
| CN111633979A (en) * | 2020-06-08 | 2020-09-08 | 河北科技大学 | Continuous fiber composite material additive manufacturing Z-direction reinforcement method and manufacturing equipment |
| CN113787717A (en) * | 2021-08-16 | 2021-12-14 | 西安交通大学 | Continuous fiber reinforced composite multi-level lightweight structure, design and manufacturing method |
| CN114103154A (en) * | 2021-11-30 | 2022-03-01 | 同济大学 | A kind of manufacturing method of 3D printing fiber composite grid reinforced thermoplastic thin-walled structure |
| CN114261091A (en) * | 2021-12-20 | 2022-04-01 | 华中科技大学 | Continuous fiber three-dimensional continuous forming method based on additive manufacturing, product and application |
| CN115154673A (en) * | 2022-06-28 | 2022-10-11 | 北京航空航天大学宁波创新研究院 | Artificial cartilage implant preformed body, preparation method and application thereof, and in-situ construction method of collagen fibers of bionic artificial cartilage implant |
| CN117400609A (en) * | 2023-04-13 | 2024-01-16 | 肥城三合工程材料有限公司 | Fiber reinforced composite material and preparation method and application thereof |
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| CN110509537A (en) * | 2019-08-09 | 2019-11-29 | 北京航空航天大学 | 3D printing method of fiber-reinforced composites with matrix material filling fiber gaps |
| CN111113889A (en) * | 2019-12-22 | 2020-05-08 | 同济大学 | A fused deposition modeling method using cored wire |
| CN111633979A (en) * | 2020-06-08 | 2020-09-08 | 河北科技大学 | Continuous fiber composite material additive manufacturing Z-direction reinforcement method and manufacturing equipment |
| CN113787717A (en) * | 2021-08-16 | 2021-12-14 | 西安交通大学 | Continuous fiber reinforced composite multi-level lightweight structure, design and manufacturing method |
| CN114103154A (en) * | 2021-11-30 | 2022-03-01 | 同济大学 | A kind of manufacturing method of 3D printing fiber composite grid reinforced thermoplastic thin-walled structure |
| CN114261091A (en) * | 2021-12-20 | 2022-04-01 | 华中科技大学 | Continuous fiber three-dimensional continuous forming method based on additive manufacturing, product and application |
| CN115154673A (en) * | 2022-06-28 | 2022-10-11 | 北京航空航天大学宁波创新研究院 | Artificial cartilage implant preformed body, preparation method and application thereof, and in-situ construction method of collagen fibers of bionic artificial cartilage implant |
| CN115154673B (en) * | 2022-06-28 | 2023-07-14 | 北京航空航天大学宁波创新研究院 | Artificial cartilage implant preform, preparation method and application thereof, and in-situ construction method of artificial cartilage implant collagen fiber |
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