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Production of articles made of composite materials by 3d-printing method

A technology for composite materials and products, applied in the field of additives, to achieve the effects of reducing porosity, uniform internal structure, and improving specific strength characteristics

Active Publication Date: 2020-05-15
阿奈索三维打印科技(苏州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] The technical problem to be solved by the present invention is the manufacture of three-dimensional printing of functional parts of composite materials with complex shapes and internal structures, which have high physical and mechanical properties

Method used

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  • Production of articles made of composite materials by 3d-printing method
  • Production of articles made of composite materials by 3d-printing method
  • Production of articles made of composite materials by 3d-printing method

Examples

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Embodiment Construction

[0076] The created 3D printing method is based on the use of composite fibers ( Figure 1A ). The composite fibers 4 are fiber bundles impregnated with the matrix material 1 and hardened. The fiber bundle may comprise continuous reinforcing fibers 2, such as carbon, glass, aramid, basalt, boron, metal fibers, and functional fibers 3, such as optical fibers and / or conductive fibers, such as copper fibers. The fiber bundle may comprise different numbers of fibers, for example 2, 100, 1000, 3000, 6000, etc. Matrix material 1 for injection is based on phenol formaldehyde, polyester, epoxy, silicone, polyimide, bismaleimide and other adhesive materials, or thermosetting binders with thermoplastic A thermosetting plastic (thermoset) that is a mixture of binders. Thermosetting plastics have good processing properties, especially low viscosity and good adhesion to any type of reinforcing fiber currently in use, allowing good impregnation of reinforcing fiber bundles with the matrix...

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Abstract

The invention relates to the field of additive technologies and can be used for manufacturing components and structures made of composite materials. A device comprises an extruder having inlet channels, a heater, a camera, a temperature sensor, a nozzle for material discharge, mechanisms for feeding material and composite fibre in the form of thread, a thread-cutting mechanism, a table and a three-dimensional displacement mechanism. A method comprises manufacturing composite fibre, feeding same and thermoplastic material into the extruder, and heating up the extruder, wherein the thermoplasticmaterial is combined with the composite fibre. The composite material is then extruded onto the surface of the table, where the composite fibre cools and hardens, and the melt of thermoplastic material solidifies, bonding the composite fibres to one another and forming the article. In addition, in the process of forming the article, the composite fibre is cut and the extruder moves on to the nextsection of the trajectory thereof.

Description

technical field [0001] The invention relates to the field of additive technology and can be used for the manufacture of components and structures made of composite materials, such as brackets, accessories, basic components, wearable articles, nets for aviation, rocket and aerospace technology, medicine, automotive industry, etc. and honeycomb structure. Background technique [0002] 3D printing methods and apparatus using composite fibers are known in the art. The closest prior art is described in the application of Mark Forged, USA: [0003] [1] US application US20140291886 – 3D printing, IPC B29C47 / 00, published on October 2, 2014; [0004] [2] US application US20140328963 - Fiber-reinforced additive manufacturing equipment, IPC B29C67 / 00, published on November 6, 2014; [0005] [3] US application US20140328964 - 3D printing, IPC B29C67 / 00, published on November 06, 2014; [0006] [4] U.S. application US20140361460 - Method for fiber-reinforced additive manufacturing, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/118B29C64/20B33Y10/00B33Y30/00B29C48/05B33Y70/00
CPCB29C64/118B29C64/20B33Y10/00B33Y30/00B29C64/336B29C70/38B33Y40/00B29C64/188B29C64/232B29C64/295B29C64/209B29C64/236B29C64/165B29C64/218B33Y40/20
Inventor A·V·阿扎罗夫F·K·安东诺夫M·V·戈卢别夫A·R·卡齐耶夫
Owner 阿奈索三维打印科技(苏州)有限公司
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