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3D printing model slicing method

A printing model and 3D printing technology, which is applied in the field of 3D printing, can solve the problems that the internal accuracy of the sliced ​​image cannot be fully guaranteed, and achieve the effect of improving the speed and efficiency of the sliced ​​image, ensuring the accuracy, and ensuring the accuracy

Pending Publication Date: 2021-10-08
江苏乾度智造高科技有限公司
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Problems solved by technology

The above-mentioned method of filling the model after determining the external contour cannot fully guarantee the accuracy of the interior of the sliced ​​image

Method used

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  • 3D printing model slicing method
  • 3D printing model slicing method
  • 3D printing model slicing method

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Embodiment Construction

[0022] The following description and drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments.

[0023] Such as Figure 1-10 As shown, in some illustrative embodiments, a 3D printing model slicing method is provided, as follows figure 2 The shown model is described as an example, and the present invention comprises the following steps:

[0024] 101: Establish a coordinate system, vertically project the printed model in the coordinate system space from top to bottom, and form the corresponding two-dimensional projection graphics in the XOY plane,...

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Abstract

The invention provides a 3D printing model slicing method. The 3D printing model slicing method comprises the steps that line segments, coinciding with a printing model, of all vertical lines in a vertical line set are screened out; Layering is carried out in a direction perpendicular to the vertical lines to form layer cutting sections, and intersection points of the line segments and each layer cutting section are obtained; and the intersection points of each layer cutting section and the line segments are combined as a layer cutting graph of each layer. According to the method, a point-to-surface method is used, the top view of the printing model is firstly determined, the vertical lines are drawn through pixel center points to be intersected with the printing model, then the pixel points of different layers are combined to complete layer cutting of the printing model, and finally the high-precision and accurate two-dimensional image is obtained, so that through the method, the accuracy of the interior of the layer cutting image can be completely guaranteed, and then the accuracy of 3D printing is ensured.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a method for slicing a 3D printing model. Background technique [0002] Model layer cutting is an important part of 3D printing technology. In the actual 3D printing process, the model will be sliced, and the sliced ​​data will be saved and operated according to the corresponding data to complete the manufacturing of the solid workpiece. How to complete the model slicing and ensure the accuracy of the sliced ​​images, there are different processing methods in the industry. [0003] The existing model layering method is to first import the layered STL format model. In the 3-axis coordinate system where the model is located, use XOY planes of different heights to intersect the triangular faces of the model, and the Z-axis direction is the layering direction. , to obtain the two-dimensional contour data of the model, so that the three-dimensional model can be approx...

Claims

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Application Information

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IPC IPC(8): B29C64/386B33Y50/00
CPCB29C64/386B33Y50/00
Inventor 黄石伟陈光
Owner 江苏乾度智造高科技有限公司
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