Printing method adopting photo-curing 3D printer and 3D printing system

A 3D printing and light curing technology, applied in the field of 3D printing, can solve the problems of intermittent printing process and affect printing efficiency, and achieve the effect of high molding accuracy

Active Publication Date: 2015-09-09
广西玉林市由你造科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

DLP light-curing 3D printers have the same defects as SLA light-curing 3D print

Method used

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  • Printing method adopting photo-curing 3D printer and 3D printing system
  • Printing method adopting photo-curing 3D printer and 3D printing system
  • Printing method adopting photo-curing 3D printer and 3D printing system

Examples

Experimental program
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Example Embodiment

[0025] refer to figure 1 , a light-curing 3D printer, which has a frame 1 and a middle plate 2 arranged in the frame 1 . The middle plate 2 divides the inside of the frame 1 into an upper space 1-1 and a lower space 1-2. The photosensitive resin pool 3 is arranged on the middle plate 2 and contains liquid photosensitive resin inside. A Fresnel lens 4 for uniform light and an LCD liquid crystal display unit 5 are sequentially covered on the inner surface of the bottom of the photosensitive resin pool 3 .

[0026] The guide rail column 6 is arranged on one side inside the frame 1 , it passes through the middle plate 2 , and extends from the lower space 1-2 to the upper space 1-1. The carrying platform 8 for carrying the cured object 7 can move vertically along the guide rail column 6 . Specifically, the guide rail column 6 may be a rotatable lead screw, and the end of the bearing platform 8 associated with the guide rail column 6 may be a nut seat of the lead screw. When the...

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Abstract

The invention provides a printing method adopting a photo-curing 3D printer. The printing method comprises a single-layer printing step: setting of cross section patterns; setting of a scanning area; rotation display; irradiation curing. According to the printing method adopting the photo-curing 3D printer, liquid photosensitive resin has certain viscosity, so that the locally cured part can apply larger intermolecular force to the liquid photosensitive resin, the liquid photosensitive resin is pulled to formed thin layers and gaps in the bottom of a photosensitive resin tank, and follow-up photo-curing is facilitated. Thus, the printing method has the high forming precision and the high forming speed 20-100 times that of an existing printing method.

Description

technical field [0001] The invention relates to the field of 3D printing, in particular to a 3D printing method for partial solidification in a rotating manner and a 3D printing system using the method. Background technique [0002] At present, photo-curing molding devices mainly include SLA photo-curing 3D printers and DLP photo-curing printers. [0003] Among them, the SLA light-curing 3D printer has a photosensitive resin pool capable of containing liquid photosensitive resin and a carrying platform for carrying a thin layer of printing. It focuses laser light of a specific wavelength (405nm) on the surface of liquid photosensitive resin to cure it from point to line and from line to surface, and finally completes the curing of the first thin layer. Then the carrying platform carrying the thin layer moves upward for a certain distance and stops for a few seconds, and then the carrying platform moves downward so that the distance from the first thin layer to the bottom of...

Claims

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Application Information

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IPC IPC(8): B29C67/00B33Y10/00
Inventor 许蓓蓓李厚民叶山顶朱凯强刘振亮王翊坤
Owner 广西玉林市由你造科技有限公司
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