A coloring method for information marks on 3D printing rapid prototyping models
A technology of three-dimensional printing and information marking
Active Publication Date: 2021-08-17
北京缔佳医疗器械有限公司
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Problems solved by technology
[0008] For this reason, the embodiment of the present invention provides a method for coloring the information marks on the three-dimensional printing rapid prototyping model to solve the problem of easy recognition errors caused by the existing method of using pigments to color the information marks, and the large-scale use of colored pigments Problems with harmful contamination when used
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[0027] figure 1 Top view for laser sintering of information marks on 3D printed rapid prototyping models. The information mark is stretched in the computer according to the color distinction, the positions that need to be colored are protruded at the same height, and the other positions that do not need to be colored are concave and protruding heights are avoided. Through the 3D printing technology, the 3D printing rapid prototyping model 1 with the information mark 2 on the surface is printed out. Such as figure 2 As shown, the information mark 2 is in a concave-convex shape, including several randomly arranged bump areas and concave block areas, and the upper surfaces of all the bump areas are at the same level. Both the 3D printing rapid prototyping model and the information mark use the same uniform molding material, and the molding material can be photosensitive resin.
[0028] According to the type of molding material, adjust the power and focus of the laser, so that...
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The embodiment of the invention discloses a method for coloring an information mark on a three-dimensional printing rapid prototyping model, which belongs to the technical field of information mark coloring. Concavo-convex information marks are integrally formed on the surface of the three-dimensional printing rapid prototyping model, and the information marks include several randomly arranged bump areas and concave block areas, and the upper surfaces of the bump areas are all on the same horizontal plane. Laser sintering is used to sinter and color the upper surface of the bump area. The invention can accurately color the information mark on the three-dimensional printing rapid prototyping model by using the laser sintering technology, has small error, high accuracy, is convenient for digital identification, and reduces harmful pollution. In order to solve the problem that identification errors are easily generated due to the existing use of pigment smearing to color information marks, and harmful pollution exists when colored pigments are used on a large scale.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of coloring information marks, and in particular to a method for coloring information marks on a three-dimensional printing rapid prototyping model. Background technique [0002] With the continuous development of science and technology, three-dimensional printing rapid prototyping technology (referred to as 3D printing technology) has developed rapidly in the past ten years. 3D printing technology is based on digital model files, using powdered metal or plastic to Adhesive material is an advanced manufacturing technology that increases material layer by layer through layered processing and superposition molding to generate 3D real objects, make physical models, and even directly manufacture parts or molds. [0003] The maturity and stability of 3D printing technology and the continuous improvement of printing accuracy make it more and more used in industrial production activities. 3D p...
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IPC IPC(8): B29C64/268B29C64/393B33Y30/00B33Y50/02
CPCB33Y30/00B33Y50/02B29C64/268B29C64/393
Inventor 田雷张天举吴斌
Owner 北京缔佳医疗器械有限公司