CN107498858A - A kind of fiber reinforced thermosetting resin based composites 3D printing method and device - Google Patents
A kind of fiber reinforced thermosetting resin based composites 3D printing method and device Download PDFInfo
- Publication number
- CN107498858A CN107498858A CN201710852259.2A CN201710852259A CN107498858A CN 107498858 A CN107498858 A CN 107498858A CN 201710852259 A CN201710852259 A CN 201710852259A CN 107498858 A CN107498858 A CN 107498858A
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- fiber
- printing
- thermosetting resin
- bean curd
- dried bean
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- 239000000835 fiber Substances 0.000 title claims abstract description 83
- 229920001187 thermosetting polymer Polymers 0.000 title claims abstract description 43
- 238000010146 3D printing Methods 0.000 title claims abstract description 26
- 239000000805 composite resin Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 24
- 210000004243 sweat Anatomy 0.000 claims abstract description 45
- 239000011347 resin Substances 0.000 claims abstract description 44
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 235000013527 bean curd Nutrition 0.000 claims abstract description 41
- 238000007639 printing Methods 0.000 claims abstract description 36
- 238000010894 electron beam technology Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000005855 radiation Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 238000000344 low-energy electron-beam lithography Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 13
- 238000001723 curing Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 11
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 238000001227 electron beam curing Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000013007 heat curing Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920006253 high performance fiber Polymers 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
Abstract
A kind of fiber reinforced thermosetting resin based composites 3D printing method and device, fiber shredded dried bean curd material volume is placed on unwinding device, adjusted by conveying device driving and tenslator, fiber shredded dried bean curd beam is delivered into sweat connecting hybrid chamber, fiber shredded dried bean curd is exported after being presoaked by thermosetting resin by printing nozzle, be layed in print platform or the fiber aspect that has printed on, then by servo-actuated low-energy electron beam transmitter hardening with radiation, complete printing.The present invention is by directly using fiber shredded dried bean curd to carry out sweat connecting, 3D printing shaping and low energy electron beam irradiation solidify, and during sweat connecting, pass through tension force, temperature control and preimpregnation path clustering, make fibre bundle uniformly compound with resin matrix, then exported by printing nozzle, finally via servo-actuated low-energy electron beam transmitter hardening with radiation, curing rate is fast, efficiency high, curing mechanism are chemical bonding, and component performance is excellent.
Description
Technical field
The invention mainly relates to novel hot setting composite 3D printing technique field, and in particular to a kind of fiber reinforcement heat
Thermosetting resin based composites 3D printing method and device.
Background technology
Composite element have high ratio modulus, high specific strength, endurance, corrosion-resistant, damping property is good, designability can etc.
Many advantages, in alternative metals, energy-saving and emission-reduction and the special effect that uniqueness is played with many aspects such as materials.
The traditional moulding process of composite is very more, such as manual laying forming, resin transfer molding, fiber twine
It is uneven around the requirements such as shaping etc., the precision of each process forming composite component, size, structural strength or spread in performance,
It is difficult to equilibrium.
3D printing technique is a kind of based on mathematical model, and linear silk material by using metal dust or plastics etc. can
The material of bonding, in a manner of successively printing or successively selectively bond, to construct the quick increases material manufacturing technology of entity.In recent years
Come, both at home and abroad the successive 3D printing method and device for successfully working out fiber-reinforced thermoplastic resin based composites, but by
It is equal in the poor-performing of thermoplastic resin matrix, the rigidity of shaped component, tensile strength, compressive strength, interlaminar shear strength etc.
Can not meet automobile, Aero-Space field large high-strength composite element requirement.Epoxy resin be it is a kind of it is corrosion-resistant,
Insulating properties and the good thermoset macromolecule material of adhesive property, but due to its solidification after, material is crisp, impact resistance, anti-
Cracking behavior limits its further application and development than relatively low.Using fiber reinforcement made of epoxy resin as matrix material
Thermosetting resin based composites, both advantages are combined, make up respective defect, it is compound compared with fiber-reinforced thermoplastic resin matrix
The performance of material is increased dramatically.
The method that the traditional curing technology of composite uses heat cure more, and the method for heat cure needs HTHP
Closed environment, cycle length, the geomery of autoclave again limits the geomery of shaped component, therefore is directed to large-scale composite material
The solidification of component is extremely difficult, and cost is high.In recent years, there is a kind of emerging hardening with radiation technology --- electronic beam curing
Technology.Electron beam curing technology refer to using electron accelerator accelerate caused by high-power electron beam as radiation source, pass through induce it is special
Polymerization crosslinking reaction occurs for different liquid oligomer, is a kind of new non-heated non-pressurised so as to realize quick-setting technology
Rapid solidification techniques.Low-energy electron beam curing technology refers to that beam energy is less than 300KeV Electron beam curing technology.It is low
Although energy is merely capable of penetrating the thickness of composite material of solidification hundreds of or even tens microns, but its equipment is simple, amount of radiation
Small, shielding is easy, many advantages such as simple operation.
Exist in the traditional moulding process of composite relatively low automaticity, low precision, size shape limitation, structure it is strong
The performance such as degree the problems such as can not meeting to require, the closed loop for needing HTHP again be present in the traditional curing technology of composite
The problems such as border, cycle length, the geomery of autoclave limit, and cost is high, in summary content, can not realize and grow fibre to continuity
The 3D printing of dimension enhancing thermosetting resin based composites.
The content of the invention
To solve the problems of the prior art, it is an object of the invention to provide a kind of fiber reinforced thermosetting resin base to answer
Condensation material 3D printing method and device, convey fiber shredded dried bean curd side, side preimpregnation, side printing, the solidification of side low energy electron beam irradiation, in fact
The quick preparation of existing fiber reinforced thermosetting resin based composite material component.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of fiber reinforced thermosetting resin based composites 3D printing device, including unwinding device, conveying device, tension force
Control device, resin storage tank, sweat connecting hybrid chamber, low-energy electron beam transmitter and print platform, wherein, resin storage tank is built with warm
Thermosetting resin, printing nozzle is provided with sweat connecting hybrid chamber, conveying device is arranged on unwinding device and mixed with sweat connecting
Between chamber, resin storage tank is connected with sweat connecting hybrid chamber；Fiber shredded dried bean curd material volume is placed on unwinding device, is driven by conveying device
The regulation of dynamic and tenslator, fiber shredded dried bean curd beam is delivered into sweat connecting hybrid chamber, fiber shredded dried bean curd is by thermosetting
Exported after resin prepreg by printing nozzle, be layed in print platform or the fiber aspect that has printed on, then by servo-actuated low energy electricity
Beamlet transmitter hardening with radiation, complete printing.
Further improve of the invention is that conveying device includes the conveying that two identicals are used for gripping fibers shredded dried bean curd beam
Mechanism, and tenslator is arranged between two conveying mechanisms.
Further improve of the invention is that sweat connecting hybrid chamber is with vertical direction in 30 °~60 ° settings.
Further improve of the invention is, part connection printing is connected through a screw thread at sweat connecting hybrid chamber lower part outlet
Nozzle.
Further improve of the invention is, traction guide roller is fixed with threaded connector.
Further improve of the invention is that sweat connecting hybrid chamber top connects resin storage tank by pipeline.
Further improve of the invention is, is set on sweat connecting mixing cavity wall some for about bundle fiber shredded dried bean curd beam
And fiber shredded dried bean curd beam is set to be in guide wheel of the broken line form by sweat connecting hybrid chamber.
Further improve of the invention is that low-energy electron beam transmitter is perpendicular to print platform；Fiber shredded dried bean curd is that carbon is fine
One or both of dimension, glass fibre, and quantity is one or more.
A kind of fiber reinforced thermosetting resin based composites 3D printing method, thermosetting resin is in air pressure thrust
Under, by resin storage tank enter sweat connecting hybrid chamber in, fiber shredded dried bean curd material volume is placed on unwinding device, by conveying device drive with
And tenslator regulation, fiber shredded dried bean curd beam is delivered into sweat connecting hybrid chamber；Fiber in sweat connecting hybrid chamber
After shredded dried bean curd is uniformly presoaked by thermosetting resin, then exported by printing nozzle, the fiber for being layed in print platform or having printed
In aspect, then by low-energy electron beam transmitter hardening with radiation, complete printing.
Of the invention further improve be, printing nozzle by fiber shredded dried bean curd beam is moulding exported into circular cross-section tow after again
Be rolled into square-section tow by drawing guiding, be layed in print platform or the fiber aspect that has printed on.
Compared with prior art, the device have the advantages that：The present invention is by setting sweat connecting hybrid chamber and low
Energy electron beam emitter, fiber shredded dried bean curd material volume are placed on unwinding device, pass through conveying device driving and tenslator is adjusted
Section, fiber shredded dried bean curd beam is delivered into sweat connecting hybrid chamber, and fiber shredded dried bean curd quilt can the preimpregnation of electronic beam curing thermosetting resin
Exported afterwards by printing nozzle, be layed in print platform or the fiber aspect that has printed on, then launch by servo-actuated low-energy electron beam
Device hardening with radiation, complete printing.Whole device collection preimpregnation of the present invention, printing, solidifies in one, traditional composite of breakthrough
Moulding process, the confinement of curing mode, using 3D printing technique advantage, its shaped component size, shape can be with travel mechanism
Expand and infinitely extend, precision improves with the raising of the positioning precision of travel mechanism, utilizes low-energy electron beam curing technology again
Immediately solidification, the quick preparation of comprehensive achievable high-performance fiber enhancing thermosetting resin based composite material component.
Further, constrained by printing nozzle, it is moulding to be exported into circular cross-section tow, then be rolled into by traction guiding
The laying printing of square-section tow, circular cross-section tow bring can any angle, the advantage of free routing laying, then suppress
Rectangular section tow is easy to position again, between eliminating tow, the gap of interlayer.
The present invention by directly using fiber shredded dried bean curd to carry out sweat connecting, consolidate by 3D printing shaping and low energy electron beam irradiation
Change, instead of and prepare composite material prepreg in advance, then laid, the old three-wave-length method of last hot-press solidifying, it is fine
It is selectively extensive to tie up tow, also compound multiple fiber, plurality of specifications can carry out conveying printing, sweat connecting mistake in one simultaneously
Cheng Zhong, by tension force, temperature control and preimpregnation path clustering, make fibre bundle uniformly compound with resin matrix, Ran Houtong
Printing nozzle output is crossed, finally via servo-actuated low-energy electron beam transmitter hardening with radiation, curing rate is fast, efficiency high, curing
Manage to be chemically bonded, component performance is excellent.
Brief description of the drawings
Fig. 1 is the principle schematic of the device of the present invention；
In figure：1 is unwinding device, and 2 be conveying device, and 3 be tenslator, and 4 be resin storage tank, and 5 mix for sweat connecting
Chamber is closed, 6 be printing nozzle, and 7 be traction guide roller, and 8 be low-energy electron beam transmitter, and 9 be print platform.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.Low-energy electron beam transmitter launches low-energy electron in the present invention
Beam energy is 80Kev~300Kev, and line is less than or equal to 25mA.Heat reactive resin is can electronic beam curing thermosetting resin.
Referring to Fig. 1, a kind of fiber reinforced thermosetting resin based composites 3D printing device of the invention includes unreeling dress
Put 1, conveying device 2, tenslator 3, resin storage tank 4, sweat connecting hybrid chamber 5, printing nozzle 6, traction guide roller 7, low
Energy electron beam emitter 8 and print platform 9, wherein, the conveying device 2 is used for gripping fibers shredded dried bean curd beam including two identicals
Conveying mechanism, be separately positioned on after unwinding device 1 and sweat connecting hybrid chamber 5 before, tenslator 3 is arranged on this
Between two conveying mechanisms, sweat connecting hybrid chamber 5, in 30 °~60 ° placements, its underpart exit, is connected with vertical direction by screw thread
Printing nozzle 6 is connect, while traction guide roller 7 is fixed with threaded connector, the top of sweat connecting hybrid chamber 5 is connected by pipeline
Resin storage tank 4, resin storage tank 4 are fixed together by connector with electron beam emitter 8, perpendicular to print platform 9, poured into downwards again
Thermosetting resin and transmitting low-energy electron beam, in fiber transmission channel, fiber shredded dried bean curd material volume is placed on unwinding device 1, by defeated
Device 2 is sent to drive, tenslator 3 is adjusted, and fiber shredded dried bean curd beam is delivered into sweat connecting hybrid chamber 5；Resin transfer
In passage, thermosetting resin is entered in sweat connecting hybrid chamber 5 under air pressure thrust by resin storage tank 4, sweat connecting mixing
In chamber 5, fiber shredded dried bean curd by can electronic beam curing thermosetting resin matrix uniformly preimpregnation after, exported from printing nozzle 6, via traction
After guide roller 7 acts on, be layed in print platform 9 or the fiber aspect that has printed on, then by servo-actuated low-energy electron beam transmitter 8
Hardening with radiation, above-mentioned each part are integrated on Multi-degree-of-freedom moving mechanism, to provide three-dimensional motion needed for printing.
Fiber shredded dried bean curd is the flexible hydrodynamic form silk material that carbon fiber, glass fibre etc. have continuity long fibre feature in the present invention
In one or more, one or more, in sweat connecting hybrid chamber 5, preimpregnation can after electronic beam curing thermosetting resin, by
Resin is sticky in itself, by moulding constraint, is combined into the output printing of one circular cross-section tow.
Heretofore described unwinding device 1, conveying device 2, tenslator 3, printing nozzle 6, traction guide roller 7 with
The Multi-degree-of-freedom moving mechanism for being integrated with above-mentioned all parts forms cooperative control system, and unwinding device 1 unreels speed, conveying
The translational speed of the transfer rate of device 2, the Tensity size of tenslator 3, printing nozzle 6 and traction guide roller 7, and
The translational speed of travel mechanism is mutually coordinated.
Sweat connecting hybrid chamber 5 includes internal fiber resin hybrid chamber and peripheral temperature control device in the present invention, in hybrid chamber
Fixation is connected through a screw thread, is limited according to cavity size, is arranged symmetrically 4 or multiple guide wheels, about bundle fiber shredded dried bean curd beam is oriented to, and is made
Fiber shredded dried bean curd beam preimpregnation path be reciprocal broken line form, and for angle between 30 °~150 °, it is in integrally Z-shaped to presoak route between broken line
Type, with the wellability of tow after increased fiber and resin compounded, cavity temperature is controlled according to resin formula, resin viscosity and tow
Wellability requires determination, and control interval is 40 DEG C~100 DEG C.
In the present invention launching electronics beam energy of low-energy electron beam transmitter 8 be 80Kev~300Kev it is adjustable, line be 0~
25mA is adjustable；Low-energy electron beam emitting head can move with fibre bundle, instant hardening with radiation, also can print completion in individual layer
Afterwards, whole face carries out hardening with radiation.
Continuity long fiber reinforcement thermosetting resin based composites low-energy electron beam solidification 3D side based on said apparatus
Method is：Thermosetting resin is entered in sweat connecting hybrid chamber 5, fiber shredded dried bean curd material volume is put under air pressure thrust by resin storage tank 4
In on unwinding device 1, being driven by conveying device 2 and tenslator 3 is adjusted, fiber shredded dried bean curd beam is delivered into hot melt
Presoak in hybrid chamber 5；After fiber shredded dried bean curd is uniformly presoaked by thermosetting resin in sweat connecting hybrid chamber 5, by printing nozzle 6 about
Beam, it is moulding into circular cross-section tow export, then by traction guide roller 7 be pressed into square-section tow be layed in print platform 9 or
In the fiber aspect printed, then by the hardening with radiation of low-energy electron beam transmitter 8, complete printing.Circular cross-section tow band is come
Can any angle, the advantage of free routing laying, be then pressed into square-section tow and be easy to position again, eliminate tow it
Between, the gap of interlayer.
After exemplar is integrally printed and irradiates completion, the last handling process such as microwave, infrared, heating can be carried out as needed
To lift curing degree and improve performance.
The present invention use can electronic beam curing thermosetting resin matrix it is corrosion-resistant, high temperature resistant, insulating properties, adhesive property are excellent
Different, intensity is high, and 3D printing technique technique strong applicability can both meet small complex forming parts, and and can meets large-scale composite wood
Expect prepared by component, precision is high, arbitrarily the free degree can print, and low-energy electron beam, again with the energy is saved, equipment is simple, radiation
Measure small, shielding is easy, the advantage such as simple operation, comprehensive achievable fiber reinforced thermosetting resin based composite material component it is quick
Prepare, be particularly suitable for use in automobile, the field such as Aero-Space.
Claims (10)
- A kind of 1. fiber reinforced thermosetting resin based composites 3D printing device, it is characterised in that including unwinding device (1), Conveying device (2), tenslator (3), resin storage tank (4), sweat connecting hybrid chamber (5), low-energy electron beam transmitter (8) and Print platform (9), wherein, resin storage tank (4) is provided with printing nozzle built with thermosetting resin, sweat connecting hybrid chamber on (5) (6), conveying device (2) is arranged between unwinding device (1) and sweat connecting hybrid chamber (5), and resin storage tank (4) mixes with sweat connecting Chamber (5) is closed to be connected；Fiber shredded dried bean curd material volume is placed on unwinding device (1), is filled by conveying device (2) driving and tension force (3) regulation is put, fiber shredded dried bean curd beam is delivered into sweat connecting hybrid chamber (5), after fiber shredded dried bean curd is presoaked by thermosetting resin Exported, be layed in print platform (9) or the fiber aspect printed by printing nozzle (6), then by servo-actuated low-energy electron beam Transmitter (8) hardening with radiation, complete printing.
- 2. a kind of fiber reinforced thermosetting resin based composites 3D printing device according to claim 1, its feature exist In conveying device (2) includes the conveying mechanism that two identicals are used for gripping fibers shredded dried bean curd beam, and tenslator (3) It is arranged between two conveying mechanisms.
- 3. a kind of fiber reinforced thermosetting resin based composites 3D printing device according to claim 1, its feature exist In sweat connecting hybrid chamber (5) is with vertical direction in 30 °~60 ° settings.
- 4. a kind of fiber reinforced thermosetting resin based composites 3D printing device according to claim 1, its feature exist In, be connected through a screw thread at sweat connecting hybrid chamber (5) lower part outlet part connection printing nozzle (6).
- 5. a kind of fiber reinforced thermosetting resin based composites 3D printing device according to claim 4, its feature exist In, be fixed with threaded connector traction guide roller (7).
- 6. a kind of fiber reinforced thermosetting resin based composites 3D printing device according to claim 1, its feature exist In sweat connecting hybrid chamber (5) top connects resin storage tank (4) by pipeline.
- 7. a kind of fiber reinforced thermosetting resin based composites 3D printing device according to claim 1, its feature exist In being set on sweat connecting hybrid chamber (5) inwall and some be used to about bundle fiber shredded dried bean curd beam and make fiber shredded dried bean curd beam be in broken line form Pass through the guide wheel of sweat connecting hybrid chamber (5).
- 8. a kind of fiber reinforced thermosetting resin based composites 3D printing device according to claim 1, its feature exist In low-energy electron beam transmitter (8) is perpendicular to print platform (9), low-energy electron beam transmitter (8) transmitting low-energy electron beam energy For 80Kev~300Kev, line is less than or equal to 25mA；Fiber shredded dried bean curd is carbon fiber, one or both of glass fibre, and Quantity is one or more.
- A kind of 9. fiber reinforced thermosetting resin based composites 3D printing based on any one described device in claim 5 Method, it is characterised in that thermosetting resin enters sweat connecting hybrid chamber (5) under air pressure thrust, by resin storage tank (4) In, fiber shredded dried bean curd material volume is placed on unwinding device (1), is adjusted by conveying device (2) driving and tenslator (3), Fiber shredded dried bean curd beam is delivered into sweat connecting hybrid chamber (5)；Fiber shredded dried bean curd is by thermosetting tree in sweat connecting hybrid chamber (5) Fat uniformly after preimpregnation, is then exported by printing nozzle (6), is layed in print platform (9) or the fiber aspect printed, then By low-energy electron beam transmitter (8) hardening with radiation, printing is completed.
- 10. a kind of, fiber reinforced thermosetting resin based composites 3D printing method, its feature exist according to claim 9 In printing nozzle (6) will be pressed into rectangle by traction guide roller (7) again after the moulding output into circular cross-section tow of fiber shredded dried bean curd beam Section tow, it is layed in print platform (9) or the fiber aspect printed.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724705A (en) * | 2018-05-18 | 2018-11-02 | 航天特种材料及工艺技术研究所 | Increasing material manufacturing device |
| CN109094055A (en) * | 2018-09-29 | 2018-12-28 | 西安交通大学 | A kind of continuous composite formed device of dry fibers 3D printing of Combined multi-channel |
| CN109532010A (en) * | 2019-01-25 | 2019-03-29 | 南京航空航天大学 | A kind of carbon fiber answers material varied angle electrical loss self-heating 3D printing device and method |
| CN109748573A (en) * | 2019-01-20 | 2019-05-14 | 武汉因泰莱激光科技有限公司 | The processing method of laser gain material manufacturing equipment and its long fiber reinforcement ceramic matric composite part |
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| CN113787710A (en) * | 2021-09-08 | 2021-12-14 | 西安交通大学 | 3D printing system and method for continuous fiber reinforced thermosetting resin composite material |
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| CN116080062A (en) * | 2023-01-09 | 2023-05-09 | 南京航空航天大学 | Microwave compaction cooperative interlayer reinforced additive manufacturing method and device |
| CN116638758A (en) * | 2023-05-20 | 2023-08-25 | 南京航空航天大学 | Printing head with continuous fiber feeding direct-pressure type tension online control and printing method thereof |
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Application publication date: 20171222 |