Three-dimensional object forming device and method
An object and three-dimensional technology, applied in the field of three-dimensional object forming devices, can solve problems such as curing and achieve the effect of preventing unexpected curing
Inactive Publication Date: 2018-12-28
XYZPRINTING +1
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[0004] However, due to the use of light-curable materials as liquid molding materials, light will penetrate the cured layer, causing the cured layer to undergo unintended curing due to light penetration
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[0033] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to the accompanying drawings. The directional terms mentioned in the following embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the directions of the drawings. Accordingly, the directional terms used are illustrative, not limiting, of the invention. Also, in the following embodiments, the same or similar components will be given the same or similar symbols.
[0034] Figure 2A , Figure 2B It is a schematic diagram of a three-dimensional object forming device according to an embodiment of the present invention. Figure 2A Shown is a bottom-illuminated three-dimensional object forming device 200, Figure 2B Shown is a top-illuminated three-dimensional object forming device 200a.
[0035] Please refer to Figure 2A , the thre...
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The invention provides a three-dimensional object forming device and method. The three-dimensional object forming device comprises a containing tank used for containing a liquid-state forming material. The three-dimensional object forming method comprises the following steps that the liquid-state forming material in the containing tank is irradiated by utilizing a light source, so that a three-dimensional object is solidified on a mobile platform layer by layer; and in the process of performing irradiation, when a target position currently illuminated by the light source is located at a firstlayer adjacent to the mobile platform, the intensity of the light source is maintained to be the original intensity, when the target position is not located on the first layer adjacent to the mobile platform, on the basis of cutting layer data of a digital three-dimensional model, whether the side, opposite to the light source, of the target position is internally provided with a hollow layer which does not undergo curing in one preset number of layers or not is judged, and in the case that the hollow layer exists in the preset number of layers, according to the number of layers between the hollow layer and the target position, the intensity of the light source is adjusted and lowered correspondingly.
Description
technical field [0001] The invention relates to a three-dimensional printing mechanism, in particular to a three-dimensional object forming device and method. Background technique [0002] In recent years, with the increasing development of science and technology, many different methods for constructing physical three-dimensional (3D) models by using additive manufacturing technologies such as layer-by-layer building models have been proposed. Generally speaking, the additive manufacturing technology converts the design data of a 3D model constructed by software such as computer-aided design (CAD) into a plurality of thin (quasi-two-dimensional) cross-sectional layers stacked continuously. At the same time, many technical means that can form multiple thin cross-sectional layers have also been gradually proposed. For example, the printing module of the printing device can generally move above the base along the XY plane according to the spatial coordinates XYZ constructed fr...
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IPC IPC(8): B29C64/129B29C64/264B29C64/393B33Y10/00B33Y30/00B33Y50/02
CPCB33Y10/00B33Y30/00B33Y50/02B29C64/135B29C64/245B29C64/264B29C64/393B29C64/124B29C64/255
Inventor 丁明雄郭宗桦赵伟淳
Owner XYZPRINTING