Method and device for 3D printing

A technology of 3D printing and printing precision, applied in the field of 3D printing, can solve the problems of low printing precision and low geometric surface precision of 3D printing, and achieve the effect of high precision, solving low printing precision and high printing precision

Inactive Publication Date: 2016-01-13
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Embodiments of the present invention provide a 3D printing method and device to at least solve the technical problem of low printing accuracy of 3D printing caused by the low geometric surface accuracy of the 3D printing model

Method used

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  • Method and device for 3D printing
  • Method and device for 3D printing
  • Method and device for 3D printing

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Embodiment Construction

[0030] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0031] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a method and device for 3D printing. The method includes the steps that a 3D printing model is obtained, and a triangular face of the 3D printing model is obtained; a spatial difference curve midpoint corresponding to each side of the triangular face is obtained; the triangular face is divided according to the vertexes and the spatial difference curve midpoints of the triangular face; and when it is determined that 3D printing precision is larger than or equal to a presser threshold value according to the divided triangular face, 3D printing is carried out according to the divided triangular face and the 3D printing model. Through the method and device for 3D printing, the technical problem that low 3D printing precision is caused by the low geometric surface precision of a 3D printing model is solved.

Description

technical field [0001] The present invention relates to the field of 3D printing, in particular to a method and device for 3D printing. Background technique [0002] With the advancement of science and technology, industrial production has put forward higher requirements for the performance of various parts. As a technology that can meet the rapid processing of industrial products, 3D printing technology has become a hot research topic for scholars from all over the world. [0003] The layered manufacturing of 3D printing technology and the processing method of point-by-point accumulation of materials can produce parts with arbitrary complex internal structures. The processing accuracy of the surface depends not only on the processing accuracy of the 3D printing equipment, but also on the geometric surface accuracy of the 3D printing model. [0004] However, the existing 3D printing directly affects the final printing accuracy of the 3D printing model due to the low geometr...

Claims

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Application Information

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IPC IPC(8): B29C67/00B33Y10/00B33Y50/00
Inventor 于征磊刘庆萍任露泉张志辉
Owner JILIN UNIV
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