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A full-color 3D printer control method based on texture mapping

A 3D printer and texture mapping technology, applied in the field of 3D printers, can solve problems such as technical difficulty, dependence on proficiency, time-consuming and laborious, and achieve the effects of good controllability, simple hardware implementation, and good stability

Active Publication Date: 2021-12-03
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology

The disadvantages of these three methods are also obvious: the first method is time-consuming and labor-intensive, and depends heavily on the proficiency of the operator; It is necessary to design the extrusion head separately and precisely control the flow rate of the substrate, which is not only very technically difficult, but also the color mixing effect depends heavily on the color of the wire

Method used

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  • A full-color 3D printer control method based on texture mapping
  • A full-color 3D printer control method based on texture mapping
  • A full-color 3D printer control method based on texture mapping

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Embodiment Construction

[0047] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0048] refer to figure 1 , a full-color 3D printing control method based on texture mapping, including:

[0049] A Correctly read the G code file, divide it in layers according to keywords, and generate several sub-files;

[0050] B. Offset the color cross-sectional profile. According to the difference between the inner and outer contours, the selected offset direction is also different, and finally obtain a color cross-sectional profile image with a certain thickness;

[0051] C alternately sends G-code files and full-color cross-sectional contour images to the lower computer of the full-color 3D printer layer by layer, and alternately drives the print head and inkjet head of the full-color 3D printer to print the substrate and color the contour respectively.

[0052] The G-code file generated after the 3D model is processed by layered slic...

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Abstract

The invention relates to a texture map-based full-color 3D printer control method. The control system is designed for a full-color 3D printer using FDM technology and using dual nozzles. The full-color 3D printer has a printing nozzle and an inkjet nozzle for the base Material printing and outline coloring. The control method of the present invention mainly includes the segmentation processing of the trajectory file; offsetting the color cross-sectional profile to obtain a color profile with a certain thickness; accurately matching the position coordinates of the substrate and the position of the color cross-sectional profile to ensure the position accuracy of the pixels on the printing platform; The lower computer of the full-color 3D printer alternately sends trajectory files and full-color cross-sectional contour images layer by layer, realizing layer-by-layer printing and layer-by-layer coloring functions.

Description

technical field [0001] The invention relates to a 3D printer, in particular to a texture map-based full-color 3D printer control method. Background technique [0002] With the development of 3D printing technology, 3D printing is widely used in more and more fields. At the same time, 3D printing technology has also carried out more in-depth research and experiments in various fields, which further promotes the rapid development of 3D printer technology. . In recent years, in design and other fields, 3D printers are required to be able to inkjet and color models while printing, and finally complete full-color 3D models. [0003] At this stage, there are several ways to obtain a color 3D model through 3D printing of the FDM process: 1. First print out a monochrome model, and then manually color it later; 2. Use a single, colored wire to print out Although the model is in color, the position where the color appears is uncontrolled and random; 3. Use multiple single-color wire...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/118B29C64/393B33Y50/02G06K9/00G06T15/04G06T15/06
CPCB29C64/118B29C64/393B33Y50/02G06T15/04G06T15/06G06V20/64Y02P10/25
Inventor 田同同李论赵吉宾周波
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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