CN111775446A - High-density PC-ABS alloy material FDM printing forming method - Google Patents
High-density PC-ABS alloy material FDM printing forming method Download PDFInfo
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- CN111775446A CN111775446A CN202010549805.7A CN202010549805A CN111775446A CN 111775446 A CN111775446 A CN 111775446A CN 202010549805 A CN202010549805 A CN 202010549805A CN 111775446 A CN111775446 A CN 111775446A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—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
Abstract
The invention discloses a high-density PC-ABS alloy material FDM printing and forming method, which comprises the steps of (1) placing a PC-ABS wire in a common air-blowing drying box for drying, (2) heating a forming chamber and a printing platform of an FDM printing system, and (3) placing the dried PC-ABS wire in a material box of the FDM printing system for further drying, wherein the material box is a sealed material box and is connected with the forming chamber; (4) according to the two-dimensional graph of the bottom surface, tiling and printing a first layer of graph, and printing a skirt edge along the peripheral outline of the graph, wherein the skirt edge printed along the direction parallel to the peripheral outline of the graph is overlapped with the peripheral outline of the graph; (5) and controlling the temperature of a nozzle of the FDM printing system, and performing layering printing molding according to an orthogonal layering mode of a flat layering layer and a wave layer to finally obtain a high-density PC-ABS sample.
Description
Technical Field
The invention relates to the technical field of printing and forming of engineering plastics, in particular to a high-density PC-ABS alloy material FDM printing and forming method.
Background
Fused Deposition Modeling (FDM) is the simplest 3D printing technology in the most popular process, and its working principle is to transfer hot melt material (ABS, PLA, wax, etc.) processed into filament shape to a hot melt printing nozzle through a wire feeding mechanism, the filament or linear plastic material is heated to a molten state in the nozzle, the nozzle moves along the shape contour and track of the part layer under the control of a computer, the molten material is extruded out, deposited at the desired position, solidified and molded, and bonded with the previously molded layer material, and finally stacked layer by layer to form the product model.
The PC/ABS engineering plastic, namely PC + ABS (engineering plastic alloy), is named as plastic alloy in Chinese name in chemical industry, and is named as PC/ABS because the material has the excellent heat resistance, weather resistance, dimensional stability and impact resistance of PC resin and the excellent processing flowability of ABS resin. Therefore, the thermoplastic elastomer can be applied to thin-wall and complex-shaped products, and can keep the excellent performance and the formability of the plastic and the material consisting of ester.
However, the FDM 3D printing forming technology is mostly used for desktop level application at present, the industrial level application is not perfect, and the technology is limited in industrial application mainly due to poor surface quality, poor precision and non-ideal mechanical properties, and the PC-ABS material is one of materials with wide application of engineering plastics, but the PC-ABS material FDM forming density is low and the mechanical properties are poor at present.
Disclosure of Invention
The invention aims to provide a high-density PC-ABS alloy material FDM printing forming method to solve the technical problems in the background technology.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a high-density PC-ABS alloy material FDM printing forming method comprises the following steps:
(1) placing the PC-ABS wire in a common blast drying oven for drying, wherein the drying temperature is 90-110 ℃, and the drying time is 3-5 hours;
(2) heating a forming chamber and a printing platform of an FDM printing system, wherein the temperature of the forming chamber is 100-120 ℃, and the temperature of the printing platform is 100-120 ℃;
(3) placing the dried PC-ABS wire into a material box of an FDM printing system for further drying, wherein the material box is a sealed material box and is connected with a forming chamber, the drying temperature is 100-120 ℃, and the drying mode is continuous drying;
(4) according to the method, a first layer of graph is flatly laid and printed according to a two-dimensional graph of a bottom surface, a skirt edge is printed along the peripheral outline of the graph, the skirt edge printed along the direction parallel to the peripheral outline of the graph is overlapped with the peripheral outline of the graph, the overlapping rate is 5-50%, and the width of the skirt edge is 10-15 circles of line width;
(5) controlling the temperature of a nozzle of an FDM printing system, and carrying out layering printing and forming according to an orthogonal layering mode of a flat layering layer and a wave layer to finally obtain a high-density PC-ABS sample piece, wherein the layering of the flat layering layer and the wave layer is a layer of flat layering and a layer of wave layer, and the steps are repeated; the inter-layer paving line directions are in an orthogonal relation; the single wires are paved in an overlapping mode, and the overlapping rate is 5-30%.
Preferably, the overlapping rate of the skirt edge printed in the direction parallel to the pattern peripheral outline and the pattern peripheral outline increases with the increase of the size of the model.
Preferably, the FDM printing system is a HAGE 175C printing apparatus system, and the main printing parameters are: print nozzle diameter: 0.25-1.0 mm; print nozzle temperature: 245-265 ℃; layer thickness: 0.1-0.3 mm; printing speed: 30-75 mm/min.
By adopting the technical scheme, the PC-ABS material is dried, the micropore printing platform, the printing bottom layer and the printing layer are utilized, and the temperature of the printing platform, the forming temperature and the nozzle temperature are controlled, so that the prepared PC-ABS printing sample piece has high density and strength, good mechanical property, high product density, good quality and good isotropy.
Detailed Description
The following further describes the embodiments of the present invention. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The first embodiment is as follows:
a high-density PC-ABS alloy material FDM printing forming method comprises the following steps:
(1) placing the PC-ABS wire in a common blast drying oven for drying at the drying temperature of 90 ℃ for 3 hours;
(2) heating a forming chamber and a printing platform of an FDM printing system, wherein the temperature of the forming chamber is 100 ℃, and the temperature of the printing platform is 100 ℃;
(3) placing the dried PC-ABS wire into a material box of an FDM printing system for further drying, wherein the material box is a sealed material box and is connected with a forming chamber, the drying temperature is 100 ℃, and the drying mode is continuous drying;
(4) according to the two-dimensional graph of the bottom surface, tiling and printing a first layer of graph, and printing a skirt edge along the peripheral outline of the graph, wherein the skirt edge printed along the parallel direction of the peripheral outline of the graph is overlapped with the peripheral outline of the graph, the overlapping rate is 5%, and the width of the skirt edge is 10 circles of line width;
(5) controlling the temperature of a nozzle of an FDM printing system, and carrying out layering printing and forming according to an orthogonal layering mode of a flat layering layer and a wave layer to finally obtain a high-density PC-ABS sample piece, wherein the layering of the flat layering layer and the wave layer is a layer of flat layering and a layer of wave layer, and the steps are repeated; the inter-layer paving line directions are in an orthogonal relation; the wire laying mode between the single wires is overlapped wire laying, and the overlapping rate is 5%.
Wherein, the overlapping rate of the skirt edge printed along the parallel direction of the figure peripheral outline and the figure peripheral outline is increased along with the increase of the model size.
The FDM printing system is an HAGE 175C printing equipment system, and the printing main parameters are as follows: print nozzle diameter: 0.25 mm; print nozzle temperature: 245 ℃; layer thickness: 0.1 mm; printing speed: 30 mm/min.
Example two:
a high-density PC-ABS alloy material FDM printing forming method comprises the following steps:
(1) placing the PC-ABS wire in a common blast drying oven for drying at the temperature of 110 ℃ for 5 hours;
(2) heating a forming chamber and a printing platform of an FDM printing system, wherein the temperature of the forming chamber is 120 ℃, and the temperature of the printing platform is 120 ℃;
(3) placing the dried PC-ABS wire into a material box of an FDM printing system for further drying, wherein the material box is a sealed material box and is connected with a forming chamber, the drying temperature is 120 ℃, and the drying mode is continuous drying;
(4) according to the two-dimensional graph of the bottom surface, tiling and printing a first layer of graph, and printing a skirt edge along the peripheral outline of the graph, wherein the skirt edge printed along the parallel direction of the peripheral outline of the graph is overlapped with the peripheral outline of the graph, the overlapping rate is 50%, and the width of the skirt edge is 15 circles of line width;
(5) controlling the temperature of a nozzle of an FDM printing system, and carrying out layering printing and forming according to an orthogonal layering mode of a flat layering layer and a wave layer to finally obtain a high-density PC-ABS sample piece, wherein the layering of the flat layering layer and the wave layer is a layer of flat layering and a layer of wave layer, and the steps are repeated; the inter-layer paving line directions are in an orthogonal relation; the wire laying mode between the single wires is overlapped wire laying, and the overlapping rate is 30%.
Wherein, the overlapping rate of the skirt edge printed along the parallel direction of the figure peripheral outline and the figure peripheral outline is increased along with the increase of the model size.
The FDM printing system is an HAGE 175C printing equipment system, and the printing main parameters are as follows: print nozzle diameter: 1.0 mm; print nozzle temperature: 265 ℃ of water; layer thickness: 0.3 mm; printing speed: 75 mm/min.
Example three:
a high-density PC-ABS alloy material FDM printing forming method comprises the following steps:
(1) placing the PC-ABS wire in a common blast drying oven for drying at the drying temperature of 101 ℃ for 4 hours;
(2) heating a forming chamber and a printing platform of an FDM printing system, wherein the temperature of the forming chamber is 110 ℃, and the temperature of the printing platform is 110 ℃;
(3) putting the dried PC-ABS wire into a material box of an FDM printing system for further drying, wherein the material box is a sealed material box and is connected with a forming chamber, the drying temperature is 108 ℃, and the drying mode is continuous drying;
(4) according to the two-dimensional graph of the bottom surface, tiling and printing a first layer of graph, and printing a skirt edge along the peripheral outline of the graph, wherein the skirt edge printed along the parallel direction of the peripheral outline of the graph is overlapped with the peripheral outline of the graph, the overlapping rate is 27%, and the width of the skirt edge is 13 circles of line width;
(5) controlling the temperature of a nozzle of an FDM printing system, and carrying out layering printing and forming according to an orthogonal layering mode of a flat layering layer and a wave layer to finally obtain a high-density PC-ABS sample piece, wherein the layering of the flat layering layer and the wave layer is a layer of flat layering and a layer of wave layer, and the steps are repeated; the inter-layer paving line directions are in an orthogonal relation; the wire laying mode between the single wires is overlapped wire laying, and the overlapping rate is 16%.
Wherein, the overlapping rate of the skirt edge printed along the parallel direction of the figure peripheral outline and the figure peripheral outline is increased along with the increase of the model size.
The FDM printing system is an HAGE 175C printing equipment system, and the printing main parameters are as follows: print nozzle diameter: 0.7 mm; print nozzle temperature: 255 ℃; layer thickness: 0.2 mm; printing speed: 55 mm/min.
The PC-ABS sample prepared by the method has the advantages of high density, high strength, good mechanical property and good isotropy.
The embodiments of the present invention have been described in detail, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (4)
1. A high-density PC-ABS alloy material FDM printing forming method is characterized by comprising the following steps:
(1) placing the PC-ABS wire in a common blast drying oven for drying, wherein the drying temperature is 90-110 ℃, and the drying time is 3-5 hours;
(2) heating a forming chamber and a printing platform of an FDM printing system, wherein the temperature of the forming chamber is 100-120 ℃, and the temperature of the printing platform is 100-120 ℃;
(3) placing the dried PC-ABS wire into a material box of an FDM printing system for further drying, wherein the material box is a sealed material box and is connected with a forming chamber, the drying temperature is 100-120 ℃, and the drying mode is continuous drying;
(4) according to the method, a first layer of graph is flatly laid and printed according to a two-dimensional graph of a bottom surface, a skirt edge is printed along the peripheral outline of the graph, the skirt edge printed along the direction parallel to the peripheral outline of the graph is overlapped with the peripheral outline of the graph, the overlapping rate is 5-50%, and the width of the skirt edge is 10-15 circles of line width;
(5) controlling the temperature of a nozzle of an FDM printing system, and carrying out layering printing and forming according to an orthogonal layering mode of a flat layering layer and a wave layer to finally obtain a high-density PC-ABS sample piece, wherein the layering of the flat layering layer and the wave layer is a layer of flat layering and a layer of wave layer, and the steps are repeated; the inter-layer paving line directions are in an orthogonal relation; the single wires are paved in an overlapping mode, and the overlapping rate is 5-30%.
2. The high-density PC-ABS alloy material FDM printing and forming method as claimed in claim 1, wherein the high-density PC-ABS alloy material FDM printing and forming method comprises the following steps: the overlapping rate of the skirt edge printed along the parallel direction of the figure peripheral outline and the figure peripheral outline is increased along with the increase of the size of the model.
3. The high-density PC-ABS alloy material FDM printing and forming method as claimed in claim 1, wherein the high-density PC-ABS alloy material FDM printing and forming method comprises the following steps: the FDM printing system is a HAGE 175C printing equipment system.
4. A high-density PC-ABS sample obtained by the molding method according to any one of claims 1 to 3.
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| CN202010549805.7A CN111775446A (en) | 2020-06-16 | 2020-06-16 | High-density PC-ABS alloy material FDM printing forming method |
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| CN202010549805.7A CN111775446A (en) | 2020-06-16 | 2020-06-16 | High-density PC-ABS alloy material FDM printing forming method |
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| CN203472158U (en) * | 2013-09-14 | 2014-03-12 | 航天信息股份有限公司 | 3D (Three-Dimensional) printing realizing device based on fused deposition modeling |
| CN206351548U (en) * | 2016-12-22 | 2017-07-25 | 东莞市皇龙电子有限公司 | 3D printing model base structure |
| US20170297320A1 (en) * | 2016-04-18 | 2017-10-19 | Stratasys, Inc. | Sheet substrate retention device for securing a sheet substrate to a vacuum platen in an additive manufacturing system |
| CN107521087A (en) * | 2017-02-28 | 2017-12-29 | 中国科学院宁波材料技术与工程研究所 | The method for preventing warpage during 3D printing |
| CN207105623U (en) * | 2017-07-26 | 2018-03-16 | 深圳市纵维立方科技有限公司 | 3D printer integral type heating platform |
| CN109795103A (en) * | 2019-01-15 | 2019-05-24 | 西安交通大学 | A kind of PVC-gel artificial-muscle integration Method of printing |
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2020
- 2020-06-16 CN CN202010549805.7A patent/CN111775446A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203472158U (en) * | 2013-09-14 | 2014-03-12 | 航天信息股份有限公司 | 3D (Three-Dimensional) printing realizing device based on fused deposition modeling |
| US20170297320A1 (en) * | 2016-04-18 | 2017-10-19 | Stratasys, Inc. | Sheet substrate retention device for securing a sheet substrate to a vacuum platen in an additive manufacturing system |
| CN206351548U (en) * | 2016-12-22 | 2017-07-25 | 东莞市皇龙电子有限公司 | 3D printing model base structure |
| CN107521087A (en) * | 2017-02-28 | 2017-12-29 | 中国科学院宁波材料技术与工程研究所 | The method for preventing warpage during 3D printing |
| CN207105623U (en) * | 2017-07-26 | 2018-03-16 | 深圳市纵维立方科技有限公司 | 3D printer integral type heating platform |
| CN109795103A (en) * | 2019-01-15 | 2019-05-24 | 西安交通大学 | A kind of PVC-gel artificial-muscle integration Method of printing |
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Application publication date: 20201016 |