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Sand table 3D printing material

A 3D printing and sand table technology, applied in the field of 3D printing materials, can solve the problems of environmental impact, sand table abandonment, increased cost, etc., to achieve the effect of ensuring liquidity, saving resources and reducing costs

Inactive Publication Date: 2019-07-09
广州拾柏千模型科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the development of 3D printing technology, sand table production has also begun to gradually adopt this technology, but the existing sand table 3D printing production, after the preparation and display, the sand table will be discarded, which will affect the environment and increase the cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A 3D printing material for a sand table, comprising: 22 parts by weight of recycled sand table powder, 5 parts by weight of wood fiber, binder-among them, 5 parts by weight of methyl cellulose, 3 parts by weight of polyvinyl alcohol, 30 parts by weight of water, 1 part by weight of sulfate gypsum coagulant.

[0014] Among them, the recovered sand table powder is obtained after vibrating, crushing and sieving the discarded sand table, with D50=7 microns and sphericity of 0.7.

[0015] The length of the wood fibers is one-fifth of the thickness of the thinnest part of the manufactured product.

Embodiment 2

[0017] A 3D printing material for a sand table, comprising: 30 parts by weight of recycled sand table powder, 2 parts by weight of bamboo fiber, 4 parts by weight of a binder-polyvinyl alcohol, 10 parts by weight of water, and 3 parts by weight of a nitrate gypsum accelerator.

[0018] Among them, the recovered sand table powder is obtained after vibrating, crushing and sieving the waste sand table, with D50=10 microns and sphericity equal to 0.9.

[0019] The length of the bamboo fiber is a quarter of the thickness of the thinnest part of the manufactured product.

Embodiment 3

[0021] A 3D printing material for a sand table, comprising: 28 parts by weight of recycled sand table powder, 5 parts by weight of wood fiber, 2 parts by weight of carbon fiber, 6 parts by weight of binder-hydroxyethyl cellulose, 22 parts by weight of water, sulfate gypsum 2 parts by weight of coagulant.

[0022] Among them, the recovered sand table powder is obtained after vibrating, crushing and sieving the discarded sand table, with D50=15 microns and sphericity of 0.8.

[0023] The length of carbon fiber is one-third of the thickness of the thinnest part of the manufactured product.

[0024] After the materials in the above examples are mixed and reacted completely, they can be fed and printed to obtain a sand table model of the desired shape.

[0025] The printing material of the present invention recycles waste sand table materials for the second time, introduces binders and coagulants to ensure fluidity, and toughens natural fibers, which is environmentally friendly an...

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PUM

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Abstract

The invention discloses a sand table 3D printing material. The sand table 3D printing material comprises, by weight, 22 to 30 parts of recycled sand table powder material, 1 to 7 parts of vegetable fiber, 3 to 10 parts of a binder, 10 to 30 parts of water, and 1 to 3 parts of a coagulant. According to a preparation method, secondary recycling of waste sand table material is adopted, the binder andthe coagulant are introduced to ensure the fluidity, natural fiber is adopted for toughening, so that environmental protection is realized, design is scientific, sand table material secondary recycling is realized, the technology is advanced, resources are saved, and cost is reduced.

Description

technical field [0001] The invention relates to the field of 3D printing materials, in particular to a 3D printing material for a sand table. Background technique [0002] 3D printing technology, also known as additive manufacturing technology, is an emerging technology in the field of rapid prototyping. It is based on digital simulation files and uses powdered metal, plastic and other bondable materials to construct objects by layer-by-layer printing. . [0003] With the development of 3D printing technology, sand table production has also begun to gradually adopt this technology, but the existing sand table 3D printing production, after the preparation and display, the sand table will be discarded, which will affect the environment and increase the cost. Contents of the invention [0004] In order to better utilize resources and save costs, the present invention provides a 3D printing material for sand table. [0005] The technical solution adopted by the present inven...

Claims

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Application Information

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IPC IPC(8): C04B26/04C04B26/28
CPCB33Y70/00C04B26/04C04B26/285C04B18/04C04B18/26C04B24/2623C04B2103/12C04B18/248C04B14/386
Inventor 黄波
Owner 广州拾柏千模型科技有限公司