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3D printing supporting method and system thereof

A technology of 3D printing and support method, applied in the field of 3D printing, can solve the problems of damage to the contact surface, separation of the support structure, etc., to achieve the effect of good 3D printing effect

Active Publication Date: 2015-08-12
BEIJING MINSU MOTION CONTROL CO LTD
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Problems solved by technology

In most current 3D printing methods, the support structure is printed integrally with the upper part of the 3D model, so the contact surface may be damaged when the support structure is separated from the 3D model after 3D printing, making it difficult to separate the support structure from the 3D model after printing

Method used

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  • 3D printing supporting method and system thereof
  • 3D printing supporting method and system thereof
  • 3D printing supporting method and system thereof

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Embodiment Construction

[0049] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.

[0050] The flow of a 3D printing support method in the embodiment of the present invention is as follows: figure 2 shown, including:

[0051] Step S100 , detecting the angle between each triangular surface on the surface of the 3D model to be printed (usually the 3D model uses triangular surfaces to approximate the surface of the simulated object) and the horizontal plane. In this step, the three-dimensional parameters...

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Abstract

The invention relates to the technical field of printing, and discloses a 3D printing supporting method. The 3D printing supporting method comprises the following steps: detecting the angle between each of triangular surfaces of the surface of a 3D model to be printed and the horizontal plane; copying a supporting surface having a same shape with the triangular surface and paralleling to the triangular surface in a position having a predetermined distance d to the triangular surface and arranged below the triangular surface if the angle of the triangular surface is smaller than a predetermined angle alpha, wherein d is 0-2 times the layer height of a slice; downward generating a supporting body model not intersecting with the 3D model with the supporting surface as a top surface; and controlling a 3D printer to print the 3D model and the supporting model. The invention also discloses a 3D printing supporting system. In the invention, the supporting body has a certain distance to the 3D model, so a supporting effect and smooth separation of the supporting body from the 3D model after the printing are realized without influencing the surface smoothness of the supported 3D model, thereby a good 3D printing effect is realized.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular, a 3D printing support method and system are designed. Background technique [0002] For fused deposition modeling (Fused Deposition Modeling, FDM) 3D printing technology, when printing a 3D model, it is printed layer by layer from the bottom to the top. Therefore, when the upper part of the 3D model is larger than the lower part, such as figure 1 The two 3D models shown in (a) and (b) require a corresponding support structure at the lower position corresponding to the upper part, that is, to figure 1 In (a) and (b), the support structure is formed under the shaded sides of the two 3D models, otherwise the protruding parts cannot be printed. In most current 3D printing methods, the support structure is printed integrally with the upper part of the 3D model, so the contact surface may be damaged when the support structure is separated from the 3D model after 3D printing, making...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/00B33Y40/00
CPCB29C67/00B33Y40/20
Inventor 金宇林
Owner BEIJING MINSU MOTION CONTROL CO LTD
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