3D (three-dimensional) printing based processing technique of automobile styling concept model

A 3D printing and processing technology, applied in 3D modeling, additive processing, image data processing, etc., can solve the problem that models cannot be reused, and achieve the effects of reducing model processing costs, rapid 3D modeling, and improving printing efficiency.

Active Publication Date: 2015-09-02
DALIAN UNIV OF TECH
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Problems solved by technology

[0003] In the processing technology of 3D printing automobile modeling concept model, wherein the image/sketch-based model three-dimensional reconstruction, the traditional method is based on the feature information of the model image, manually extracting the model characteristic curve, according to the co...

Method used

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  • 3D (three-dimensional) printing based processing technique of automobile styling concept model
  • 3D (three-dimensional) printing based processing technique of automobile styling concept model
  • 3D (three-dimensional) printing based processing technique of automobile styling concept model

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Embodiment Construction

[0081] The technical implementation process of the present invention will be further described below in conjunction with the accompanying drawings and the 3D printing example of a certain car model, figure 1 It is a flow chart of a 3D printing-based automotive modeling concept model processing technology scheme, which specifically includes the following steps:

[0082] (1) Fast 3D body modeling method based on model database, such as figure 2 Shown:

[0083] (1-1) Define the feature line templates of the two-dimensional car body front view, rear view, right view, and top view according to the structural features of the car body; the feature lines that constitute the feature line template are cubic Bezier curves (Bézier curves) generated by 4 control points ), for different vehicle models, the number of feature lines and numbering sequence of the feature line templates are consistent, and the topology is consistent in shape. Table 1-4 is an explanation of the technical termi...

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Abstract

The invention provides a 3D (three-dimensional) printing based processing technique of an automobile styling concept model and belongs to the field of automobile styling concept design. The technique includes the steps of 1, performing three-dimensional model reconstruction based on an image/draft; 2, performing 3D printing oriented model structural optimization; 3, performing 3D printing oriented solid modeling; 4, generating a support structure; and 5, performing 3D printing. The technique has the advantages that quick expression of an automobile solid model from an automobile image/draft is achieved, model processing cost is lowered at the premise of quickly implementing a personalized solid model, processing efficiency is improved, operating is simple, and the technique is reliably applied to the automobile concept design phase for automobile styling engineers.

Description

technical field [0001] The invention belongs to the field of conceptual design of automobile modeling, and in particular relates to a processing technology of a conceptual model of automobile modeling based on 3D printing. Background technique [0002] In recent years, 3D printing technology has been widely used as an innovative technology. This technology adopts a layer-by-layer superposition method in the forming principle, and the processing technology is not affected by the complexity of the solid prototype, and can realize the preparation of shape products with complex outer contours. This technology has a wide range of applications in the fields of medicine, machinery, teaching, art design, etc. Applications. At present, the production process of 3D printing technology in dental models, head medical models, Peking Opera facial makeup, etc. has been made public. The invention discloses a 3D printing-based automobile modeling concept model processing technology, which ...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06T17/00B33Y50/00
Inventor 李宝军胡平吕掌权王博杨磊靳春宁
Owner DALIAN UNIV OF TECH
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