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DLP light curing rapid prototyping edge processing method and device

An edge treatment and light curing technology, applied in the field of 3D printing, can solve the problems of slow speed, increased material loss, low molding efficiency, etc., to reduce the loss of materials, reduce the grinding process, and improve the strength.

Active Publication Date: 2019-09-24
深圳晗竣雅科技有限公司
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Problems solved by technology

Although it is also possible to reduce the intensity of the halo at the edge of the imaging contour by reducing the intensity of the entire light source, the molding speed is slow and the molding efficiency is low.
[0005] In addition, the features solidified by the halo at the edge of the imaging contour do not belong to the features on the model, which increases the loss of materials

Method used

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  • DLP light curing rapid prototyping edge processing method and device
  • DLP light curing rapid prototyping edge processing method and device
  • DLP light curing rapid prototyping edge processing method and device

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Embodiment Construction

[0038] Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, so they are only examples, and should not be used to limit the protection scope of the present invention.

[0039] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

[0040] In the first aspect, a DLP light-curing rapid prototyping edge processing method provided by an embodiment of the present invention combines figure 2 , the method includes:

[0041] Step S1, slice the three-dimensional model into shape.

[0042] Step S2, observing the forming phenomenon, obtaining the size of the halo at the edge of the imaging surface and the curing co...

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Abstract

The invention belongs to the technical field of 3D printing, and provides a DLP UV-curing rapid molding edge processing method and device. The method comprises the steps of slicing and forming 3D models; observing the molding phenomenon, and obtaining the imaging plane edge halo size and the forming model edge curing condition; obtaining the model contour line, and adjusting the width of the modelcontour line according to the definite value to obtain contour edge lines with the width; conducting normal drawing and filling in a closed area defined by the contour edge lines with the width; andconducting drawing and filling in the contour edge lines with the width according to preset target grayscale to form a slice map for molding. According to the DLP UV-curing rapid molding edge processing method and device provided by the invention, curing caused by halo can be avoided effectively, and the curing rapid-molding edge precision is improved; and the molding speed is increased, and the grinding procedure is reduced.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a DLP photocuring rapid prototyping edge processing method and device. Background technique [0002] Rapid prototyping technology is to use computer to decompose the three-dimensional model data into points or surfaces, and then accumulate materials from points to surfaces, and from surfaces to solids to obtain solid prototypes. [0003] At present, there are three mainstream methods of rapid prototyping technology: photocuring rapid prototyping, hot melt extrusion and selective laser sintering. The model obtained by hot-melt extrusion molding and selective laser sintering has a rough surface and low precision, while the model obtained by SLA / DLP photo-curing rapid prototyping technology has a smooth surface and high precision, so the photo-curing rapid prototyping technology has been obtained. More people's favor. [0004] Light-curing rapid prototyping technology uses lig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/124B29C64/379B33Y40/00
Inventor 林佳裕李忠林
Owner 深圳晗竣雅科技有限公司
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