CN104141179A - Composite fiber material for FDM technology and preparation method of composite fiber material - Google Patents
Composite fiber material for FDM technology and preparation method of composite fiber material Download PDFInfo
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- CN104141179A CN104141179A CN201410373000.6A CN201410373000A CN104141179A CN 104141179 A CN104141179 A CN 104141179A CN 201410373000 A CN201410373000 A CN 201410373000A CN 104141179 A CN104141179 A CN 104141179A
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Abstract
The invention discloses a composite fiber material for the FDM technology. The composite fiber material comprises a fiber core and thermoplastic plastic wrapping the outer layer of the fiber core. The fiber core is glass fiber or carbon fiber or a metal wire, and the diameter of the fiber core ranges from 5 micrometers to 20 micrometers. The diameter of the fiber material ranges from 20 micrometers to 50 micrometers. The thermoplastic plastic wrapping the outer layer of the fiber core contains 5-30%wt of reinforcing fiber with the diameter of 0.1 micrometer to 1 micrometer and the length smaller than or equal to 1 mm. A method for preparing the composite fiber material includes the steps of firstly, heating the thermoplastic plastic to the molten state; secondly, adding the reinforcing fiber into the molten plastic and evenly mixing the reinforcing fiber with the molten plastic; thirdly, evenly attaching the mixed melt to the surface of the fiber core through a fiber sending mechanism; fourthly, obtaining the composite fiber material with the diameter of 20 micrometers to 50 micrometers through extruding and sizing. The short reinforcing fiber and the fiber core are added to the thermoplastic plastic, and therefore the attaching effect between interfaces of the molten fiber material can be enhanced, axial connection strength of all layers of a printed piece is enhanced, and the independent tensile strength of each layer in the radial direction can be improved as well.
Description
Technical field
The invention belongs to and increase material and manufacture field, relate to and melt extrude forming technique, particularly a kind of composite fibre silk material for FDM technology and prepare the method for this complex fiber material.
Background technology
Increase at present material manufacturing technology, 3D printing technique impacts over against traditional manufacturing industry.Melt extruding moulding (FDM) technology is the important branch increasing in material manufacturing technology, and it mainly usings thermoplastic as rapidoprint, and this class material need to be processed into a material conventionally in advance.Silk material is sent into shower nozzle by wire feeder, in shower nozzle, be heated and melt and extrude, afterwards rapidly curing and with material binding around, shower nozzle successively moves and fills along part section profile, thereby reaches moulding object.Relative traditional handicraft, FDM technology can be printed the comparatively complicated product of forming structure rapidly, the process of having removed injection moulding die sinking from, however its product strength is relatively low, is difficult to direct use.
Therefore,, for expanding FDM technology range of application, be necessary to develop a kind of composite fibre silk material that can strengthen the FDM technology that is applicable to of product strength.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of composite fibre silk material for FDM technology and preparation method thereof.
For achieving the above object, the invention provides following technical scheme:
For a composite fibre silk material for FDM technology, comprise a core and be coated on the outer field thermoplastic of a core, described silk core is glass fibre, carbon fiber or wire, and its diameter is 5-20 μ m, and described silk material diameter is 20-50 μ m.
As the present invention for the composite fibre silk material of FDM technology preferably, described in to be coated on the diameter that the outer field thermoplastic of a core contains 5-30%wt be 0.1-1 μ m, the fortifying fibre of length≤1mm.
The preferred described reinforcing material that is used for the composite fibre silk material of FDM technology as the present invention is carbon fiber, CNT, Kafra fiber or glass fibre.
The preferred described thermoplastic that is used for the composite fibre silk material of FDM technology as the present invention is the thermoplastics such as polystyrene, polyethylene, polypropylene, ABS, Merlon or PLA.
The present invention, for the preparation of the method for the composite fibre silk material of FDM technology, comprises the following steps:
Stp1: getting 70-95 part thermoplastic, 5-30 part fortifying fibre and diameter is the silk core of 5-20 μ m;
Stp2: heating thermoplastic plastics are to molten condition;
Stp3: fortifying fibre added in the thermoplastic of melting and mix;
Stp4: make a core at the uniform velocity by Stp3 gained mixed melt by wire feeder, make mixed melt be attached to uniformly a wicking surface;
Stp5: control the aperture of filum terminale material extrusion, obtain the composite wire material of 20～50 microns of diameters.
Preferably, described thermoplastic is the thermoplastics such as polystyrene, polyethylene, polypropylene, ABS, Merlon or PLA, described reinforcing material is carbon fiber, CNT, Kafra fiber or glass fibre, and described silk core is glass fibre, carbon fiber or wire.
Beneficial effect of the present invention is:
Composite fibre silk material of the present invention adds staple fibre to thermoplastic, can effectively strengthen the effect of sticking between FDM process melting silk material interface, improves the modulus of shearing of junction, interface, thus each layer of axial bonding strength of strengthening printout; The silk core that composite fibre silk material of the present invention contains high stretch modulus, can improve each layer of Radial drawing strength.Therefore, composite wire material structure of the present invention can improve the bulk strength of printout effectively.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearer, the invention provides following accompanying drawing and describe:
Fig. 1 is composite fibre silk material of the present invention longitudinal section schematic diagram;
Fig. 2 is composite fibre silk material of the present invention face schematic diagram in length and breadth.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Following examples will disclose a kind of composite fibre silk material for FDM technology, comprise a core and are coated on the outer field thermoplastic of a core, and described silk core is glass fibre, carbon fiber or wire, and its diameter is 5-20 μ m, and described silk material diameter is 20-50 μ m.
Wherein:
Being coated on the diameter that the outer field thermoplastic of a core contains 5-30%wt is 0.1-1 μ m, the fortifying fibre of length≤1mm;
Reinforcing material is carbon fiber, CNT, Kafra fiber or glass fibre;
Thermoplastic is the thermoplastics such as polystyrene, polyethylene, polypropylene, ABS, Merlon or PLA.
Embodiment 1:
The present embodiment, for the preparation of the method for the composite fibre silk material of FDM technology, comprises the following steps:
Stp1: get that 90 parts of polystyrene, 10 parts strengthen short carbon fiber silk and diameter is the long carbon fiber silk core of 10 μ m;
Stp2: heating polystyrene is to molten condition;
Stp3: short carbon fiber silk is added to the polystyrene of melting and mixes;
Stp4: make long carbon fiber silk core at the uniform velocity pass through Stp3 gained mixed melt with the speed of 0.5m/min by wire feeder, make mixed melt be attached to uniformly a wicking surface;
Stp5: control the aperture of silk material extrusion, finally obtain the composite wire material of 35～45 microns of diameters.
In the present embodiment, strengthening short carbon fiber diameter is 0.3-0.8 μ m, length≤1mm.
The composite fibre silk material that adopts the present embodiment to make is applied in FDM technology, and the purer PS silk of the intensity of gained printout material printout is high by 30%～70%.
Embodiment 2:
The present embodiment, for the preparation of the method for the composite fibre silk material of FDM technology, comprises the following steps:
Stp1: getting 80 parts of polypropylene, 20 parts of reinforcing glass fibers and diameter is the wire core of 18 μ m;
Stp2: heating polypropylene is to molten condition;
Stp3: reinforcing glass fiber added in the polypropylene of melting and mix;
Stp4: make wire core at the uniform velocity pass through Stp3 gained mixed melt with the speed of 0.8m/min by wire feeder, make mixed melt be attached to uniformly wire core surface;
Stp5: control the aperture of silk material extrusion, finally obtain the composite wire material of 20～35 microns of diameters.
In the present embodiment, reinforcing glass fibre diameter is 0.5-0.9 μ m, length≤1mm.
Embodiment 3:
The present embodiment, for the preparation of the method for the composite fibre silk material of FDM technology, comprises the following steps:
Stp1: get that 75 parts of Merlon, 25 parts strengthen CNT and diameter is the glass fiber core of 6 μ m;
Stp2: heating Merlon is to molten condition;
Stp3: add the Merlon of melting and mix strengthening CNT;
Stp4: make glass fiber core at the uniform velocity pass through Stp3 gained mixed melt with the speed of 0.3m/min by wire feeder, make mixed melt be attached to uniformly glass fiber wicking surface;
Stp5: control the aperture of silk material extrusion, finally obtain the composite wire material of 30～45 microns of diameters.
In the present embodiment, strengthening CNT diameter is 0.2-0.6 μ m, length≤1mm.
Composite fibre silk material of the present invention adds staple fibre to thermoplastic, can effectively strengthen the effect of sticking between FDM process melting silk material interface, improves the modulus of shearing of junction, interface, thus each layer of axial bonding strength of strengthening printout; The silk core that composite fibre silk material of the present invention contains high stretch modulus, can improve each layer of Radial drawing strength.Therefore, composite wire material structure of the present invention can improve the bulk strength of printout effectively, and while using composite fibre silk material of the present invention to print, the purer printout intensity of intensity of gained printout improves 30%～70%.
It should be noted that, above-described embodiment is only unrestricted for technical scheme of the present invention is described, in fact: when thermoplastic is the thermoplastics such as polystyrene, polyethylene, polypropylene, ABS, Merlon or PLA; Reinforcing material is carbon fiber, CNT, Kafra fiber or glass fibre; Silk core is glass fibre, carbon fiber or wire; Silk core diameter is 5-20 μ m, and silk material diameter is 20-50 μ m; In thermoplastic, containing 5-30%wt diameter is 0.1-1 μ m, and during the fortifying fibre of length≤1mm, prodigiosin is realized object of the present invention.
Finally explanation is, above preferred embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can to it, make various changes in the form and details, and not depart from the claims in the present invention book limited range.
Claims (6)
1. for a composite fibre silk material for FDM technology, it is characterized in that: comprise a core and be coated on the outer field thermoplastic of a core, described silk core is glass fibre, carbon fiber or wire, and its diameter is 5-20 μ m, described silk material diameter is 20-50 μ m.
2. according to claim 1 for the composite fibre silk material of FDM technology, it is characterized in that: described in to be coated on the diameter that the outer field thermoplastic of a core contains 5-30%wt be 0.1-1 μ m, the fortifying fibre of length≤1mm.
3. according to claim 1 for the composite fibre silk material of FDM technology, it is characterized in that: described reinforcing material is carbon fiber, CNT, Kafra fiber or glass fibre.
According to described in claim 1-3 any one for the composite fibre silk material of FDM technology, it is characterized in that: described thermoplastic is the thermoplastics such as polystyrene, polyethylene, polypropylene, ABS, Merlon or PLA.
5. preparation, for the method for the composite fibre silk material of FDM technology as described in claim 1-4 any one, is characterized in that, comprises the following steps:
Stp1: getting 70-95 part thermoplastic, 5-30 part fortifying fibre and diameter is the silk core of 5-20 μ m;
Stp2: heating thermoplastic plastics are to molten condition;
Stp3: fortifying fibre added in the thermoplastic of melting and mix;
Stp4: make a core at the uniform velocity by Stp3 gained mixed melt by wire feeder, make mixed melt be attached to uniformly a wicking surface;
Stp5: control the aperture of filum terminale material extrusion, obtain the composite wire material of 20～50 microns of diameters.
6. according to claim 5 for the preparation of the method for the composite fibre silk material of FDM technology, it is characterized in that: described thermoplastic is the thermoplastics such as polystyrene, polyethylene, polypropylene, ABS, Merlon or PLA, described reinforcing material is carbon fiber, CNT, Kafra fiber or glass fibre, and described silk core is glass fibre, carbon fiber or wire.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104672757A (en) * | 2015-03-02 | 2015-06-03 | 苏州容坤半导体科技有限公司 | 3D printing wire rod with axial thermal shrinkage rate smaller than 0.5%, preparation technological method and manufacture device |
| CN105544008A (en) * | 2016-02-23 | 2016-05-04 | 南通市中和化纤有限公司 | Polyethylene-polypropylene enhanced composite fiber |
| CN105936678A (en) * | 2016-06-01 | 2016-09-14 | 广西医科大学 | Reinforcing flexibilizer used for 3D printing of ABS, ABS composite material, production method of ABS composite material |
| CN108914227A (en) * | 2018-07-26 | 2018-11-30 | 湖北省宇涛特种纤维股份有限公司 | Preparation method, die head component and the fabric of extrusion coated formula core-skin fibre long filament |
| CN109049682A (en) * | 2018-10-23 | 2018-12-21 | 郝文峰 | A kind of fibre reinforced composites 3D printing silk material manufacturing device and method |
| KR102057468B1 (en) * | 2016-01-26 | 2019-12-19 | 마사노리 후지타 | Method for manufacturing three-dimensional sculpture and filament for manufacturing three-dimensional sculpture |
| CN111117103A (en) * | 2019-12-22 | 2020-05-08 | 同济大学 | Reinforced wire rod for fused deposition molding and preparation method thereof |
| CN113416359A (en) * | 2021-08-06 | 2021-09-21 | 安徽强茗塑业科技有限公司 | Preparation method of low-temperature-resistant modified plastic |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104672757A (en) * | 2015-03-02 | 2015-06-03 | 苏州容坤半导体科技有限公司 | 3D printing wire rod with axial thermal shrinkage rate smaller than 0.5%, preparation technological method and manufacture device |
| CN104672757B (en) * | 2015-03-02 | 2018-02-16 | 苏州容坤半导体科技有限公司 | A kind of axial percent thermal shrinkage is less than 0.5% 3D printing wire rod, process of preparing and manufacture device |
| KR102057468B1 (en) * | 2016-01-26 | 2019-12-19 | 마사노리 후지타 | Method for manufacturing three-dimensional sculpture and filament for manufacturing three-dimensional sculpture |
| TWI690410B (en) * | 2016-01-26 | 2020-04-11 | 藤田鉦則 | Method for manufacturing three-dimensional shaped article and silk for manufacturing three-dimensional shaped article |
| CN105544008A (en) * | 2016-02-23 | 2016-05-04 | 南通市中和化纤有限公司 | Polyethylene-polypropylene enhanced composite fiber |
| CN105936678A (en) * | 2016-06-01 | 2016-09-14 | 广西医科大学 | Reinforcing flexibilizer used for 3D printing of ABS, ABS composite material, production method of ABS composite material |
| CN108914227A (en) * | 2018-07-26 | 2018-11-30 | 湖北省宇涛特种纤维股份有限公司 | Preparation method, die head component and the fabric of extrusion coated formula core-skin fibre long filament |
| CN109049682A (en) * | 2018-10-23 | 2018-12-21 | 郝文峰 | A kind of fibre reinforced composites 3D printing silk material manufacturing device and method |
| CN111117103A (en) * | 2019-12-22 | 2020-05-08 | 同济大学 | Reinforced wire rod for fused deposition molding and preparation method thereof |
| CN111117103B (en) * | 2019-12-22 | 2021-12-31 | 同济大学 | Reinforced wire rod for fused deposition molding and preparation method thereof |
| CN113416359A (en) * | 2021-08-06 | 2021-09-21 | 安徽强茗塑业科技有限公司 | Preparation method of low-temperature-resistant modified plastic |
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Application publication date: 20141112 |
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