CN105599302A - Continuous fiber fused deposition 3D (three-dimensional) printing method and application thereof - Google Patents
Continuous fiber fused deposition 3D (three-dimensional) printing method and application thereof Download PDFInfo
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- CN105599302A CN105599302A CN201610035818.6A CN201610035818A CN105599302A CN 105599302 A CN105599302 A CN 105599302A CN 201610035818 A CN201610035818 A CN 201610035818A CN 105599302 A CN105599302 A CN 105599302A
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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
- B29C64/118—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
- 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
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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
- B33Y70/00—Materials specially adapted for additive manufacturing
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Abstract
The invention discloses a continuous fiber fused deposition 3D (three-dimensional) printing method and application thereof. The continuous fiber fused deposition 3D printing method includes steps of firstly, carrying out co-extrusion on continuous fibers and polymers to obtain continuous fiber-reinforced 3D printing wires; secondly, leading the wires which are continuous fiber-reinforced composite materials into a fused deposition 3D printer, heating and fusing the polymers in the wires in the printer and preventing the continuous fibers from being fused; thirdly, extruding the continuous fibers from spray nozzles of the printer along with the fused polymers, stacking the continuous fibers and the polymers layer upon layer to form blanks of products of the continuous fiber-reinforced composite materials. The continuous fibers are parallel to the axes of the 3D printing wires. The continuous fiber fused deposition 3D printing method and the application have the advantages that the continuous fiber 3D printing products have abundant functions and are excellent in mechanical property, the fibers are good in wettability and high in strength and modulus and are electrically conductive, thermally conductive, anticorrosion and abrasion-resistant, and the like.
Description
Technical field
The present invention relates to a kind of continuous fiber fusion sediment 3D Method of printing and application, belong to 3D and print (increasing material manufacture)Technical field.
Background technology
3D prints, and also referred to as increasing material manufacture, is according to designed 3D model, successively increases by 3D printing deviceAdd material and manufacture the technology of three-dimensional objects. Compared with traditional manufacturing technology, 3D prints mfg. moulding die in advance, noMust in manufacture process, remove a large amount of materials, also needn't just can obtain by complicated casting, forging, welding procedureFinal products, therefore, can implementation structure optimization on producing, save material and save the energy. At present, 3D printsTechnology is usually used in new product development, rapid prototyping, single-piece and parts in small batch manufacture, the manufacture of complicated shape part, mouldDesign and the manufacture etc. of tool, be also suitable for manufacture, configuration design inspection, assembly test and the Rapid Reverse Engineering of difficult-to-machine materialEngineering etc. 3D prints this high-new manufacturing technology based on material stacking method and has been subject to paying close attention to more and more widely both at home and abroad,By facilitating a kind of novel mode of production, there is vast potential for future development.
In 3D printing technique, the frame for movement of fusion sediment (FusedDepositionModeling, FDM) mouldingThe simplest, it is also the easiest to design, and manufacturing cost and maintenance cost are also minimum, and therefore FDM becomes in the world today and makesWith 3D printing technique the most widely. At present, the material that is applied to FDM technique is polymer substantially. Moulding materialBe generally ABS, PLA, PA, PC, PVA, PPSF, paraffin etc. The advantage of polymer is that fusing point is low, easy-formation,Shortcoming is that serviceability temperature is low, and intensity is low. Therefore, FDM3D printing technique is mainly analogue formation at present, is difficult to use inManufacture actual bearer part, be more difficult to meet the multi-functional demand of complex condition.
Continuous fiber is owing to having the performances such as excellent mechanics, physics, anticorrosion antiwear and antifatigue, space flight and aviation,The fields such as national defense and military, racing vehicle, robot and medical treatment demonstrate huge application prospect. But conventional method adopts pavingContinuous fiber is made composite product by discharge technique, needs the operations such as pre-preg, dipping, molded, post processing,Technical process is numerous and diverse, cost is high, and is not suitable for the manufacture of parts with complex structures, can not meet well suitability for industrialized production and wantAsk.
Summary of the invention
For the deficiencies in the prior art, the present invention aims to provide a kind of continuous fiber fusion sediment 3D Method of printing, obtainsHigh-performance, multi-functional continuous fiber fusion sediment 3D printed product, to meet better the demand of social development.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of continuous fiber fusion sediment 3D Method of printing, comprises the following steps: the first step, and by continuous fiber and polymerizationThing coextrusion makes the 3D that continuous fiber strengthens and prints wire rod, and described continuous fiber is parallel to described 3D and prints wire rodAxis; Second step, imports to described continuous fiber reinforced composite materials wire rod in fusion sediment 3D printer, in instituteState in printer the polymer heating and melting in wire rod, not melting of continuous fiber; The 3rd step, continuous fiber is with meltingPolymer is extruded by the nozzle of described printer, piles up layer by layer the continuous fiber reinforced composite materials product base type that forms; AlsoComprise the 4th step and/or the 5th step: the 4th step, adopt including heating, catalysis, method being cross-linked by continuous fiber withAssistant agent, or/and matrix is combined closely, makes blank become continuous fiber reinforced composite materials goods; The 5th step, as required,Assemble, connection, heat treatment, surface treatment, obtain the product that continuous fiber fusion sediment 3D prints.
Described continuous fiber fusion sediment 3D Method of printing, described continuous fiber be aramid fiber, polyethylene fibre,Kafra fiber, glass fibre, nylon fiber, ceramic fibre, carbon fiber, graphite fibre, graphene fiber, carbon are receivedOne or more in mitron fiber, bave, or according to actual needs, the continuous fiber that adopts other material to make.
Described continuous fiber fusion sediment 3D Method of printing, described continuous fiber is that more than 90% high-purity is fine continuouslyDimension, or according to actual needs, adopt modify through peroxide, fluorine, chlorine, bromine, iodine or other atom, contain hydroxyl,The continuous fiber of one or more functional groups in carboxyl, carbonyl and epoxy radicals.
Described continuous fiber fusion sediment 3D Method of printing, adds one or more to add as required in described polymerAdd agent, comprise stabilizing agent, filler, plasticizer, lubricant, colouring agent, curing agent, fire retardant, blowing agent, idolOne or more in connection agent.
Described continuous fiber fusion sediment 3D Method of printing, the described 3D containing continuous fiber prints gauge or diameter of wire and is1.75mm and 3mm, or be made into as required the wire rod of other diameter.
Described continuous fiber fusion sediment 3D Method of printing, the quantity that described 3D prints continuous fiber in wire rod is 1～5 bundles, continuous fiber is uniformly distributed in wire rod, or according to actual needs, adopts multi beam continuous fiber random distribution.
Described continuous fiber fusion sediment 3D Method of printing, described polymer is PA, PC, ABS, PLA, PPIn " alloy " of one or more compositions, or select as required " closing of other polymer or several polymer compositionGold " or mixture.
The application of arbitrary described continuous fiber fusion sediment 3D Method of printing: by aramid fiber, polyethylene fibre, triumphant3D is made in a kind of continuous fiber and polymer coextrusion that husband tows in dimension, glass fibre, nylon fiber, ceramic fibrePrint wire rod, apply this 3D and print wire rod, obtain functional 3D printed product; By carbon fiber, graphite fibre,A kind of continuous fiber in graphene fiber, carbon nano-tube fibre and polymer coextrusion are made 3D and are printed wire rod, applicationThis 3D prints the 3D impression block that wire rod obtains high strength, high conductivity and thermal conductivity and has anticorrosion and abrasive resistanceType, parts or product; By aramid fiber, polyethylene fibre, Kafra fiber, glass fibre, nylon fiber, potteryMultiple continuous fiber in porcelain fiber, carbon fiber, graphite fibre, graphene fiber, carbon nano-tube fibre, bave entersRow combination, makes 3D with polymer coextrusion and prints wire rod, application 3D print wire rod obtain high conduction, high heat conduction,3D printer model, parts or the product containing continuous fiber of anticorrosion antiwear.
The product obtaining according to described continuous fiber fusion sediment 3D Method of printing. By aramid fiber, polyethylene fibre,A kind of continuous fiber and polymer coextrusion in Kafra fiber, glass fibre, nylon fiber, ceramic fibre etc. are madeWire rod, the continuous fiber fusion sediment 3D Method of printing that application is described, can obtain and print higher than traditional F DM3DIntensity is functional 3D printed product of high-modulus more; By carbon fiber, graphite fibre, graphene fiber, CNTWire rod is made in a kind of continuous fiber and polymer coextrusion in fibers etc., the continuous fiber fusion sediment 3D that application is describedMethod of printing, can obtain than traditional F DM3D and print more high strength, more high conductivity and thermal conductivity and have anticorrosion3D printer model, parts or product with abrasive resistance; By aramid fiber, polyethylene fibre, Kafra fiber,Glass fibre, nylon fiber, ceramic fibre, carbon fiber, graphite fibre, graphene fiber, carbon nano-tube fibre, cocoonMultiple continuous fiber in silk etc. combines, and makes wire rod with polymer coextrusion, and the described continuous fiber of application meltsThaw collapse amasss 3D Method of printing, can obtain mechanical property excellence, high conduction, high heat conduction, anticorrosion antiwear containing fibre continuously3D printer model, parts or the product of dimension.
Compared with prior art, the present invention has following beneficial effect:
1) the present invention is incorporated into continuous fiber among fusion sediment 3D prints, and can obtain multi-functional, high strength, thingThe continuous fiber fusion sediment 3D printed product of Physicochemical excellent performance, both can be made into Aero-Space, military project national defence,Model, parts or product that automobile, machinery etc. are industrial, also can be made into and people's clothing, food, shelter, row breath breathRelevant product, as bicycle, sports goods, commodity, dress ornament etc., met better multi-functional, high parameter,The social development demand of complexity, customization;
2) the present invention is by aramid fiber, polyethylene fibre, Kafra fiber, glass fibre, nylon fiber, pottery fibreWire rod is made in a kind of continuous fiber and polymer coextrusion in dimensions etc., and the described continuous fiber fusion sediment 3D of application beatsImpression method, can obtain than traditional F DM3D and print more functional 3D printed product of high-modulus of high strength; WillA kind of continuous fiber and polymer coextrusion system in carbon fiber, graphite fibre, graphene fiber, carbon nano-tube fibre etc.Become wire rod, the continuous fiber fusion sediment 3D Method of printing that application is described, can obtain than traditional F DM3D and print moreHigh strength, more high conductivity and thermal conductivity and there is 3D printer model, parts or the product of anticorrosion and abrasive resistance;
3) the present invention is by aramid fiber, polyethylene fibre, Kafra fiber, glass fibre, nylon fiber, pottery fibreMultiple continuous fiber in dimension, carbon fiber, graphite fibre, graphene fiber, carbon nano-tube fibre, bave etc. carries outCombination, makes wire rod with polymer coextrusion, and the continuous fiber fusion sediment 3D Method of printing that application is described, can obtainMechanics excellent performance, high conduction, high heat conduction, anticorrosion antiwear the 3D printer model that contains continuous fiber, parts orProduct;
4) the present invention adopts high-purity continuous fiber, or according to actual needs, adopt through peroxide, fluorine, chlorine, bromine,That iodine or other atom are modified, contain one or more functional groups in hydroxyl, carboxyl, carbonyl and epoxy radicals etc. continuouslyFiber, has improved dipping effect and adhesion between continuous fiber and matrix greatly;
5) continuous fiber fusion sediment 3D Method of printing of the present invention, has realized continuous fiber reinforced composite materials3D prints, and without the mould customizing in advance, can control well forming direction, can more accurately control productThe direction of middle continuous fiber, more easily obtains having the composite products of customization performance, and can realize and have complexityThe quick manufacture of the composite material parts of structure;
6) the continuous fiber 3D printed product that the present invention obtains has the features such as high-performance, multi-functional, mechanical property is excellent,Its performance is far superior to short fiber reinforced composite goods, can be applied to carrying, heat conduction, conduction, anticorrosion, wear-resistingDeng one or more operating modes;
7) the continuous fiber 3D printed product good biocompatibility that the present invention obtains, can be applied to biologic medical field,Be used for making various tissues, support, skeleton, bone and organ etc.;
8) production technology of the present invention compared with simple, operation is few, production efficiency is high, equipment needed thereby is few, cost is low, both suitableClose single-piece or small lot batch manufacture, be also applicable to a large amount of printers and carry out 3D printing production in enormous quantities simultaneously, there is wide answeringUse prospect.
Brief description of the drawings
Fig. 1 is that the 3D containing single bundle continuous fiber of the present invention prints wire rod (B) and the 3D containing multi beam continuous fiberPrint the schematic diagram (A) of wire rod;
Fig. 2 is the schematic diagram of continuous fiber fusion sediment 3D Method of printing of the present invention.
In figure: 1, continuous tow; 2, continuous tow; 3, continuous tow; 4, continuous tow; 5, connectContinuous fibre bundle; 6, nozzle; 7, polymer melt; 8, print by 3D the continuous fiber reinforced composite materials layer obtaining.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Below in conjunction with specific embodiment, further set forth the present invention. Should be understood that these embodiment are only for illustrating thisBright but not limit the scope of the invention.
As shown in Figure 1: the 3D that continuous fiber provided by the invention strengthens prints wire rod, and continuous fiber is parallel to described 3DThe axis of printing wire rod, continuous fiber is uniformly distributed in wire rod, and the quantity of continuous fiber is preferably 1～5 bundle. AsExample, in Figure 1A, the quantity of continuous fiber is 5 bundles, in Figure 1B, the quantity of continuous fiber is 1 bundle.
As shown in Figure 2: a kind of continuous fiber fusion sediment 3D Method of printing provided by the invention, by as shown in Figure 1The 3D that continuous fiber strengthens prints wire rod and imports in fusion sediment 3D printer, in described printer, wire rod is addedHeat, the not melting in heating and print procedure of the continuous tow 1～5 in wire rod, the polymer heating and melting in wire rod,Continuous fiber is extruded by the nozzle 6 of described printer with the polymer 7 of melting, obtains the continuous fiber increasing that 3D printsStrong composite layer 8, piles up the 3D printed product base type that continuous fiber strengthens that forms layer by layer. Then adopt as required,By the method including heating, catalysis, being cross-linked by continuous fiber and assistant agent or/and matrix is combined closely, blank is becomeFor thering are the continuous fiber reinforced composite materials goods of good physical, chemistry and mechanical property, then fill as requiredJoin, the following process such as connection, heat treatment, surface treatment, obtain the product that continuous fiber fusion sediment 3D prints.
Embodiment 1
Use the present invention to obtain high-intensity 3D printed product:
The first step, by aramid fiber continuous three beams and ABS (acrylonitrile-butadiene-styrene copolymer) coextrusion systemBecome aramid fiber continuous fiber reinforced ABS composite 3D to print wire rod, gauge or diameter of wire is 1.75mm, fine continuously in wire rodDimension is uniformly distributed, and its mass fraction is 1%; Second step, by described aramid fiber continuous fiber reinforced ABS composite wire rodImport in FDM3D printer, wire rod is heated to 240 DEG C in described printer the ABS in wire rod is melted(continuous fiber does not melt); The 3rd step, continuous fiber is extruded by the nozzle of described printer with the ABS of melting,Pile up layer by layer the 3D printed product forming containing aramid fiber continuous fiber. For testing its mechanical property, some test examinations are printedSample, the ABS examination that gained sample and traditional F DM method (print in wire rod containing continuous fiber, lower with) are obtainedSample carries out the contrast test (test result is averaged) of mechanical property, and comparative result is as shown in table 1 in detail.
Table 13D printed product mechanical performance compare
| Sample | Tensile strength, MPa |
| The ABS sample that adopts traditional 3D Method of printing to obtain | 41 |
| The sample that the present embodiment obtains | 422 |
From table 1: the sample tensile strength that adopts traditional 3D Method of printing to obtain is low, and adopt the present invention to obtainThe tensile strength of sample be 10.29 times of conventional method. Therefore, adopting the present invention can obtain high-intensity 3D beatsPrint product, can be used as load bearing component, and the mechanical property of product can be divided by the distribution and the quality that change continuous fiberNumber regulates, and has important future in engineering applications.
Embodiment 2
Use the present invention to obtain high strength, conductive and heat-conductive, environmental protection, biocompatible 3D printed product:
The first step, by the graphene fiber of single Shu Lianxu, (the Graphene individual layer rate that forms this continuous fiber is greater than 80%, flatAll particle diameter is less than 50 microns, and graphene fiber surface adopts oxygen atom to modify, to strengthen saturating machine, improve fiber withThe interface binding power of matrix) make Graphene continuous fiber enhancing PLA composite with PLA (PLA) coextrusionWire rod, gauge or diameter of wire is 1.75mm, in wire rod, the mass fraction of continuous fiber is 0.6%; Second step, by described graphiteAlkene continuous fiber strengthens PLA composite wire rod and imports in FDM3D printer, in described printer by wire rodBeing heated to 210 DEG C makes the PLA in wire rod melt (continuous fiber does not melt); The 3rd step, continuous fiber is with meltingPLA extrudes by the nozzle of described printer, piles up layer by layer the 3D printed product that forms graphene-containing continuous fiber. ForTest its mechanics, electricity and thermal property, printed some test samples, gained sample and traditional F DM method are obtainedTo PLA sample carry out the contrast test (test result is averaged) of the performances such as power, electricity, heat, in detail relatively knotFruit is as shown in table 2.
Table 23D printed product mechanics, electricity and thermal property comparison
From table 2: the sample tensile strength that adopts traditional 3D Method of printing to obtain is low, and adopt the present invention to obtainThe tensile strength of sample be 5.78 times of conventional method; The sample that adopts traditional 3D Method of printing to obtain is non-conductive, andThe sample electric conductivity that adopts the present invention to obtain is good, and resistivity is 2.9 × 10-4Ω m; Adopt traditional 3D printing sideThe sample capacity of heat transmission that method obtains is little, and the thermal conductivity factor of the sample that employing the present invention obtains is 1400 of conventional methodDoubly. In addition, because PLA is that the starch material that uses reproducible plant resources (as corn) to be extracted is madeBiodegradation material, its mechanical property, physical property, biocompatibility and degradability are good. Therefore, adopt thisBrightly can obtain high strength, conductive and heat-conductive, environmental protection, biocompatible 3D printed product, can be used as load bearing componentOr biomedical devices, and the mechanics of product, electricity and thermal property can be by changing the quality percentage of continuous fiberNumber regulates, and has broad application prospects.
Embodiment 3
Use the present invention to obtain the 3D printed product containing continuous fiber of high-strength and high ductility, conductive and heat-conductive, anticorrosion antiwear:
The first step, by each to continuous carbon fiber, graphene fiber, Kafra fiber, aramid fiber and polyethylene fibreIt is a branch of that (wherein, carbon fiber is domestic T700 carbon fiber; The Graphene number of plies in graphene fiber is less than 10 layers, averageParticle diameter is less than 50 microns, and graphene fiber surface adopts oxygen atom to modify, to strengthen saturating machine; Kafra fiber,The associativity of aramid fiber and polyethylene fibre and matrix is good, without finishing) (nylon adds plasticizer with PAAnd coupling agent, promoting the combination between fiber and nylon) coextrusion makes the PA composite wood containing the different continuous fibers of five bundlesStockline material, gauge or diameter of wire is 1.75mm, and in wire rod, continuous fiber is uniformly distributed, and its mass fraction is 5%; SecondStep, strengthens PA composite wire rod by described five bundle continuous fibers and imports in FDM3D printer, in described printingIn machine, wire rod being heated to 260 DEG C makes the PA in wire rod melt (continuous fiber does not melt); The 3rd step, continuous fiberPA with melting extrudes by the nozzle of described printer, piles up layer by layer to form containing the 3D of five bundle continuous fibers and prints and produceProduct. For testing its mechanics, electricity, calorifics and anticorrosion antiwear performance, some test samples are printed, by gained sampleThe PA sample obtaining with traditional F DM method carries out contrast test (test result is averaged), in detail comparative resultAs shown in table 3.
Table 33D printed product mechanics, electricity, calorifics and anticorrosion antiwear Performance Ratio are
From table 3: the sample tensile strength that adopts traditional 3D Method of printing to obtain is low, and adopt the present invention to obtainThe tensile strength of sample be 8.913 times of conventional method; The sample that adopts traditional 3D Method of printing to obtain is non-conductive,And the sample electric conductivity that adopts the present invention to obtain is good, resistivity is 7.1 × 10-4Ω m; Adopt traditional 3D to printThe PA sample capacity of heat transmission that method obtains is little, and the thermal conductivity factor of the sample that employing the present invention obtains is conventional method128 times; The sample anticorrosion antiwear poor performance that adopts traditional 3D Method of printing to obtain, and the examination that adopts the present invention to obtainThe anticorrosion antiwear excellent performance of sample. Therefore, adopt the present invention, can obtain high-strength and high ductility, conductive and heat-conductive, anticorrosion antiwear3D printed product, have broad application prospects.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert,And all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a continuous fiber fusion sediment 3D Method of printing, is characterized in that, comprises the following steps: the first step,Continuous fiber and polymer coextrusion are made to the 3D printing wire rod that continuous fiber strengthens, and described continuous fiber is parallel to instituteState the axis that 3D prints wire rod; Second step, imports to fusion sediment 3D by described continuous fiber reinforced composite materials wire rodIn printer, in described printer by the polymer heating and melting in wire rod, not melting of continuous fiber; The 3rd step, connectsContinuous fiber is extruded by the nozzle of described printer with the polymer of melting, piles up layer by layer and forms continuous fiber enhancing composite woodMaterial product base type; Also comprise the 4th step and/or the 5th step: the 4th step, the side adopting including heating, catalysis, being cross-linkedMethod or/and matrix is combined closely, makes blank become continuous fiber reinforced composite materials goods continuous fiber and assistant agent; The 5thStep, as required, assembles, connection, heat treatment, surface treatment, obtains continuous fiber fusion sediment 3D and printsProduct.
2. continuous fiber fusion sediment 3D Method of printing as claimed in claim 1, is characterized in that: described companyContinuous fiber is aramid fiber, polyethylene fibre, Kafra fiber, glass fibre, nylon fiber, ceramic fibre, carbon fibreOne or more in dimension, graphite fibre, graphene fiber, carbon nano-tube fibre, bave, or according to actual needWant the continuous fiber that adopts other material to make.
3. continuous fiber fusion sediment 3D Method of printing as claimed in claim 1, is characterized in that: described companyContinuous fiber is more than 90% high-purity continuous fiber, or according to actual needs, adopt through peroxide, fluorine, chlorine, bromine,Iodine or other atom continuous fibre that modify, that contain one or more functional groups in hydroxyl, carboxyl, carbonyl and epoxy radicalsDimension.
4. continuous fiber fusion sediment 3D Method of printing as claimed in claim 1, is characterized in that: described poly-In compound, add as required one or more additives, comprise stabilizing agent, filler, plasticizer, lubricant, paintedOne or more in agent, curing agent, fire retardant, blowing agent, coupling agent.
5. continuous fiber fusion sediment 3D Method of printing as claimed in claim 1, is characterized in that: described containingThe 3D of continuous fiber prints gauge or diameter of wire is 1.75mm and 3mm, or is made into as required other diameterWire rod.
6. continuous fiber fusion sediment 3D Method of printing as claimed in claim 1, is characterized in that: described 3DThe quantity of printing continuous fiber in wire rod is 1～5 bundle, and continuous fiber is uniformly distributed in wire rod, or according to actual needWant, adopt multi beam continuous fiber random distribution.
7. continuous fiber fusion sediment 3D Method of printing as claimed in claim 1, is characterized in that: described poly-Compound is " alloy " of one or more compositions in PA, PC, ABS, PLA, PP, or selects as required" alloy " or the mixture of other polymer or several polymer composition.
8. according to the application of the arbitrary described continuous fiber fusion sediment 3D Method of printing of claim 1-7.
9. the application of continuous fiber fusion sediment 3D Method of printing according to claim 8, is characterized in that:By continuous the one in aramid fiber, polyethylene fibre, Kafra fiber, glass fibre, nylon fiber, ceramic fibreFiber and polymer coextrusion are made 3D and are printed wire rod, apply this 3D and print wire rod, obtain functional 3D and print productProduct; By a kind of continuous fiber in carbon fiber, graphite fibre, graphene fiber, carbon nano-tube fibre and polymer co-extrusionGo out to make 3D and print wire rod, apply this 3D and print wire rod acquisition high strength, high conductivity and thermal conductivity and have anticorrosion3D printer model, parts or product with abrasive resistance; By aramid fiber, polyethylene fibre, Kafra fiber,Glass fibre, nylon fiber, ceramic fibre, carbon fiber, graphite fibre, graphene fiber, carbon nano-tube fibre, cocoonMultiple continuous fiber in silk combines, and makes 3D print wire rod with polymer coextrusion, and application 3D prints wire rodObtain 3D printer model, parts or the product containing continuous fiber of high conduction, high heat conduction, anticorrosion antiwear.
10. the product obtaining according to the arbitrary described continuous fiber fusion sediment 3D Method of printing of claim 1-7.
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