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3D printing surface morphology modification method based on oxygen inhibition effect

A technology of 3D printing and surface topography, applied in the field of 3D printing, can solve problems such as difficulty in controlling surface roughness

Inactive Publication Date: 2020-05-01
WUYI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the current 3D printing technology is difficult to control the surface roughness due to the problems of materials and process methods.

Method used

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  • 3D printing surface morphology modification method based on oxygen inhibition effect
  • 3D printing surface morphology modification method based on oxygen inhibition effect
  • 3D printing surface morphology modification method based on oxygen inhibition effect

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Embodiment Construction

[0029] This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.

[0030] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0031] I...

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Abstract

The invention discloses a 3D printing surface morphology modification method based on an oxygen inhibition effect. A 3D printing primary morphology surface is coated with a photosensitive resin layer,the photosensitive resin layer is covered with an oxygen permeation thin film, and the method comprises the following steps that oxygen-containing gas passes through the upper portion of the oxygen permeation thin film, and light rays are irradiated to the oxygen permeation thin film; the pressure intensity of the oxygen-containing gas and the wavelength of the light rays are regulated; the photosensitive resin layer is partly cured, and a filling area is formed on the 3D printing primary morphology surface. Through regulation of the pressure intensity of the oxygen-containing gas and the wavelength of the light rays, the depth of a liquid-state area of the photosensitive resin layer can be manually and controllably controlled, and the partial needed 3D printing surface primary morphologyremains according to needs while the 3D printing surface morphology is obtained through modification.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a method for modifying the surface morphology of 3D printing based on the oxygen inhibition effect. Background technique [0002] 3D printing is a kind of rapid prototyping technology, also known as additive manufacturing. It is a technology based on digital model files and using materials such as powdered metal or resin to construct objects by layer-by-layer printing. In today's society, 3D printing technology is developing rapidly and has been widely used in many fields. [0003] However, the current 3D printing technology is difficult to control the surface roughness due to the problems of materials and process methods. How to realize the artificial controllability of the surface roughness of 3D printing products has always been an urgent technical problem in the field of 3D printing. Contents of the invention [0004] The purpose of the present invention is to at leas...

Claims

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Application Information

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IPC IPC(8): B29C64/379B29C59/16B33Y40/20
CPCB29C59/16B33Y40/00B29C64/379
Inventor 张昕张玲邱天张兴旺李星星张婧姣高瑀含唐光鑫
Owner WUYI UNIV
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