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Photo-curing three-dimensional printing method and printing device based on projection

A three-dimensional printing and light curing technology, applied in the direction of additive processing, etc., can solve the problem of low precision of three-dimensional printing of large-format patterns, and achieve the effect of ensuring printing precision and high efficiency, improving printing precision and ensuring high efficiency

Active Publication Date: 2015-06-03
SHANGHAI UNION TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a projection-based photocuring three-dimensional printing method and printing device, which are used to solve the problem of low precision in three-dimensional printing of large-format patterns in the prior art

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  • Photo-curing three-dimensional printing method and printing device based on projection

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Embodiment Construction

[0037] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0038] see Figure 1 to Figure 4 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the sa...

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Abstract

The invention provides a photo-curing three-dimensional printing method and printing device based on projection. The printing method comprises the following steps: a projection system scans, prints and cures layer by layer under the control of a control system; when each layer is printed, the whole pattern needing to be printed on each layer is completed by linearly moving a projection breadth obtained by the projection system in a horizontal plane, and the projection breadth horizontally and linearly moves according to a preset route; during moving, the control system obtains the coordinate position of an area projected by the projection breadth in real time and controls a local pattern, corresponding to the coordinate position, projected by the projection system, and the printing and curing of the local pattern are completed. The projection breadth obtained by the projection system linearly moves in a horizontal plane, namely mobile projection. The large-breadth photo-curing three-dimensional printing can be realized, the printing precision and high efficiency of a projector are ensured, and the printing precision of the whole product is improved.

Description

technical field [0001] The invention relates to the technical field of photocuring three-dimensional printing, in particular to a projection-based photocuring three-dimensional printing method and a printing device. Background technique [0002] Rapid prototyping technology is a kind of discrete / accumulation molding. The three-dimensional data model is sliced ​​to obtain the outline of each layer, and the processing path is designed according to the outline information. The forming head obtains the entity of each layer under the control of the control system, and gradually Layers are stacked to get the final entity. [0003] There are many kinds of projectors when they are named, and the basic principles are the same. Take DLP projection as an example. DLP is the abbreviation of "Digital Light Processing", which means digital light processing, which means that this technology first digitally processes the image signal. , and then project the light out. It is based on the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/00B33Y30/00B33Y40/00
Inventor 万欣刘震陈先飞佘松林
Owner SHANGHAI UNION TECH
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