Method for eliminating 3D printing wax type supporting material

A technology of 3D printing and supporting materials, applied in the field of 3D printing technology and post-processing, it can solve the problems of difficult to completely remove wax, adverse effects on appearance, structure and performance, and achieve the effect of low cost, low environmental requirements and high efficiency

Active Publication Date: 2016-03-09
SOUTH CHINA INST OF COLLABORATIVE INNOVATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, it is often difficult to completely remove the residual wax by using pure edible oil for cleaning, and even the wax-oil mixture remains in the microstructure, resulting in the surface of the sample being covered by a white wax layer after drying or the microstructure being filled with a waxy mixture. This will have a direct adverse effect on the appearance, structure and performance of the sample

Method used

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  • Method for eliminating 3D printing wax type supporting material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The Projet5000 equipment of 3DSystem Company was used to make 3D printing samples. The molding material was yellow translucent photosensitive resin, and the supporting material was 100% wax-type material. Propanol, polypropylene glycol and soybean oil are uniformly stirred at a volume ratio of 1:1:1 to prepare an organic mixed solvent. At 65°C, the 3D printed sample was soaked in an organic mixed solvent. After the wax-type support material was dissolved, the 3D printed sample was taken out for repeated washing, and the final 3D printed sample was obtained after drying.

[0021] The results show that the appearance of the 3D printed sample remains yellow and translucent, the surface is clean without white wax layer, and no residual oil wax gel is found in its microstructure. While the mixed solvent dissolves the wax-type support material, it does not affect the appearance, surface quality, size and fine structure of the 3D printing sample.

Embodiment 2

[0023] The Projet5000 equipment of 3DSystem Company was used to make 3D printing samples. The molding material was yellow translucent photosensitive resin, and the supporting material was 100% wax-type material. Mix isopropanol, polyethylene glycol and soybean oil uniformly at a volume ratio of 1:1:1 to prepare an organic mixed solvent. At 65°C, the 3D printed sample was soaked in an organic mixed solvent. After the wax-type support material was dissolved, the 3D printed sample was taken out for repeated washing, and the final 3D printed sample was obtained after drying.

[0024] The results show that the appearance of the 3D printed sample remains yellow and translucent, the surface is clean without white wax layer, and no residual oil wax gel is found in its microstructure. While the mixed solvent dissolves the wax-type support material, it does not affect the appearance, surface quality, size and fine structure of the 3D printing sample.

Embodiment 3

[0026] The Projet5000 equipment of 3DSystem Company was used to make 3D printing samples. The molding material was yellow translucent photosensitive resin, and the supporting material was 100% wax-type material. Mix isopropanol, polyethylene glycol and peanut oil uniformly at a volume ratio of 1:1:2 to prepare an organic mixed solvent. At 70°C, the 3D printed sample was soaked in an organic mixed solvent. After the wax-type support material was dissolved, the 3D printed sample was taken out and washed repeatedly, and the final 3D printed sample was obtained after drying.

[0027] The results show that the appearance of the 3D printed sample remains yellow and translucent, the surface is clean without white wax layer, and no residual oil wax gel is found in its microstructure. While the mixed solvent dissolves the wax-type support material, it does not affect the appearance, surface quality, size and fine structure of the 3D printing sample.

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Abstract

The invention belongs to the technical field of 3D printing and after-treatment and in particular discloses a method for eliminating a 3D printing wax type supporting material. The method comprises the following steps of uniformly stirring an alcohols organic solvent, an alcohols polymer organic solvent and plant oil according to a certain ratio to prepare a mixed organic solvent; and at a certain temperature, placing a 3D printing sample into the mixed organic solvent, soaking, after removing the wax type supporting material, taking out the 3D printing sample, repeatedly washing with water, and drying to obtain a final wax-free 3D printing sample. The method can directly dissolve residual wax in the sample, ensures the basic requirement for completely eliminating a wax type material, has low requirements for environment, low cost and high efficiency, is simple in operation, does not influence the size, the structure, the surface performance and the like of a resin forming material and is suitable for elimination after-treatment processes aiming at the wax type materials in laboratories or factories and in particular for after-treatment links for 3D printing employing the wax type supporting material.

Description

technical field [0001] The invention belongs to the field of 3D printing technology and post-processing technology, and in particular relates to a method for removing 3D printing wax-type support materials. Background technique [0002] 3D printing technology, through digital technology, advanced printing equipment and materials, realizes the personalized customization of multi-curved, asymmetrical, complex structures and other precision models. It has the advantages of low cost, short cycle, high degree of automation, high precision, and high added value. It has been applied to product development and component manufacturing in many industries such as biomedicine, aerospace, film and television education, cultural creativity, fashion design, mold models, toys, etc. The general production process of 3D printing technology is: (1) Acquire accurate data, and establish a 3D model file through computer digitization technology; (2) Select an appropriate printing process, and impo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B08B3/08
CPCB08B3/08
Inventor 黄淼俊郑华德张明朱祎纬
Owner SOUTH CHINA INST OF COLLABORATIVE INNOVATION
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