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Multi-component 3D printing extruded material

A 3D printing and extrusion molding technology, applied in the field of 3D printing materials, can solve the problems of single product form and cannot meet various process requirements, and achieve the effect of small volume change, improved thermal shock stability, and reduced shrinkage rate

Active Publication Date: 2018-08-17
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the product form is single and cannot meet the various process requirements in 3D printing

Method used

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  • Multi-component 3D printing extruded material
  • Multi-component 3D printing extruded material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] An extrusion molding material for 3D printing, the molding material is designed as a two-component material, the two-component material is composed of A component and B component, and A component and B component are respectively input into the printer through the action of air pump pressure The mixing bin, after mixing evenly, prepares a two-component mixture for 3D printing;

[0031] Wherein, the A component and the B component are prepared by the following method, in parts by weight:

[0032] In the first step, take 200 parts of alumina powder with a particle size of 0.5-1mm, 350 parts of alumina powder with a particle size of 30-200 μm, 100 parts of alumina powder with a particle size of 5-10 μm, and 350 parts of alumina powder with a particle size of 1.2-3 μm;

[0033] In the second step, the above four powders weighed are added to a ball mill tank with a rotating speed of 200 rpm and ball milled for 1 hour to obtain a mixed powder material;

[0034] The third step...

Embodiment 2

[0038] An extrusion molding material for 3D printing, the molding material is designed as a three-component material, the three-component material is composed of A component, B component and C component, A component, B component and C component The parts are input into the mixing chamber of the printer through the pressure of the air pump, and after mixing evenly, a three-component mixture for 3D printing is prepared;

[0039] Wherein, the A, B, and C components are prepared by the following method, in parts by weight:

[0040] In the first step, take 200 parts of alumina powder with a particle size of 0.5-1mm, 300 parts of alumina powder with a particle size of 30-200 μm, 200 parts of alumina powder with a particle size of 5-10 μm, and 300 parts of alumina powder with a particle size of 1.2-3 μm;

[0041] In the second step, the above four powders weighed are added to a ball mill tank with a rotating speed of 300 rpm and ball milled for 1 hour to obtain a mixed powder materia...

Embodiment 3

[0047] An extrusion molding material for 3D printing, the molding material is designed as a four-component material, the four-component material is composed of A component, B component, C component and D component, A component, B group Components, C and D components are respectively input into the mixing bin of the printer through the pressure of the air pump, and after mixing evenly, a multi-component mixture for 3D printing is prepared;

[0048] Wherein, the A, B, C, and D components are prepared by the following method, in parts by weight:

[0049] In the first step, take 200 parts of alumina powder with a particle size of 0.5-1mm, 350 parts of alumina powder with a particle size of 30-200 μm, 100 parts of alumina powder with a particle size of 5-10 μm, and 350 parts of alumina powder with a particle size of 1.2-3 μm;

[0050] In the second step, the above four powders weighed are added to a ball mill tank with a rotating speed of 300 rpm and ball milled for 1 hour to obtai...

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PUM

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Abstract

The invention provides a multi-component 3D printing extruded material, made by mixing N components, with N> / =2; the N components include refractory material powder, a dispersant and water; at least one of the N components also include a thickening time control agent; any m ones of the N components also include a binder; at least one of the rest N-m components also include a curing agent. The multi-component 3D printing extruded material has the advantages that shelf life of the material can be extended and serial products having different curing times or different temperature conditional applications can be provided.

Description

technical field [0001] The invention belongs to the technical field of 3D printing materials, and in particular relates to a multi-component 3D printing extrusion molding material. Background technique [0002] Rapid prototyping, also known as additive manufacturing, is based on the digital stereo technology of computers and the Internet. It converts a design item into a 3D digital model, and then adopts layered processing and superposition forming, that is, by adding materials layer by layer. Printing into a 3D entity, thereby turning the blueprint on the computer into a physical object, is far superior to traditional manufacturing techniques in terms of cost, speed and accuracy, and is especially suitable for personalized customization. [0003] The 3D printing molding technology of refractory materials includes laser selective sintering molding technology, light curing rapid prototyping technology, melting deposition molding technology, free extrusion molding technology, ...

Claims

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Application Information

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IPC IPC(8): C04B35/101C04B35/04C04B35/14C04B35/185C04B35/443C04B35/48C04B35/482C04B35/565C04B35/584C04B35/66B33Y70/00B33Y80/00
CPCB33Y70/00B33Y80/00C04B35/04C04B35/101C04B35/14C04B35/185C04B35/443C04B35/481C04B35/482C04B35/565C04B35/584C04B35/66C04B2235/5427C04B2235/5436C04B2235/6026
Inventor 杨道媛滕仪宾刘莹梁威威
Owner ZHENGZHOU UNIV
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