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A realization method based on 3D printing data processing software platform

A data processing software and 3D printing technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of inability to guarantee the quality of molding, long processing preparation time, increased costs, etc., to reduce memory expenditure and The effects of waiting time, saving output time, and improving layering efficiency

Active Publication Date: 2017-10-31
广东健齿生物科技有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process undoubtedly prolongs the product output time and increases the cost, and cannot give full play to the advantages of 3D printing
Moreover, the existing 3D printing system needs to manually add support structures to the parts, which takes a long time to prepare for processing and cannot guarantee the quality of the molding

Method used

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  • A realization method based on 3D printing data processing software platform
  • A realization method based on 3D printing data processing software platform
  • A realization method based on 3D printing data processing software platform

Examples

Experimental program
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Embodiment 1

[0080] This embodiment illustrates the relevant theory of the present invention using ANSYS finite element thermal analysis tool and birth-death element technology to simulate the processing process of SLS and SLM.

[0081] (1) Finite element method

[0082] The basic principle of finite element analysis is to discretize the original continuous model body, that is, to decompose the continuous entity into a finite number of small unit blocks that are connected and regular in shape, and describe a certain physical characteristic through the hypothesis of each small unit block. Approximate functions are used to solve the functions of the entire model, thereby converting the original complex infinite degree of freedom problem into a limited degree of freedom problem, which simplifies the solution and is suitable for solving problems such as various complex models, complex boundary conditions, and complex material properties. The solution obtained by the finite element is not an ex...

no. 2 example

[0087] An implementation method based on the 3D printing data processing software platform of the present invention is divided into three parts: three-dimensional model reconstruction of STL files, rendering and operation of the model, layering of the three-dimensional model and automatic support addition, processing of SLS and SLM Process simulation and parameter selection and design model optimization based on the results. The three parts are described below one by one.

[0088] (1) 3D model reconstruction of STL file and rendering and operation of the model

[0089] The STL format is adopted by most 3D printing systems due to its characteristics of easy conversion, wide range of representation, and simple layering algorithm, and has become the de facto industrial standard in the 3D printing industry. There are two formats of STL files: ASCII format and binary format. Among them, the binary STL file is much smaller than the ASCII format file (generally 1 / 5), but the ASCII ...

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Abstract

The invention discloses an implementation method based on a 3D printing data processing software platform, including: constructing a three-dimensional model of a part to be processed, and generating a corresponding STL file according to the constructed model; using OpenGL visualization technology to perform visual processing on the generated STL file ;According to the position and topological relationship of the triangular surface in the STL file, the visualized 3D model is quickly sliced ​​and processed, and the support structure is automatically added to the 3D model of the part to be processed; according to the result of the layered slice processing and the processing material The characteristics of the parts to be processed are simulated by using the life-death unit method based on the SLS and SLM technology, and then the parameter selection and model optimization of the parts to be processed are carried out according to the simulation results, so as to obtain the optimal printing parameters and the optimal printing parameters of the parts to be processed. Processing model. The invention has the advantages of high efficiency, low cost and good molding quality, and can be widely used in the field of automatic control.

Description

technical field [0001] The invention relates to the field of automatic control, in particular to an implementation based on a 3D printing data processing software platform. Background technique [0002] 3D printing, also known as additive manufacturing, is a rapid prototyping technology that can realize the transformation from CAD model to physical object through the principle of superposition without mold. This technology has advantages that traditional processing technologies cannot replace in terms of new product development and personalized product customization. At present, according to the printing principle, the methods of 3D printing can be divided into: stereolithography, fused deposition modeling, laser selective melting and layered entity manufacturing. The 3D printing molding process can be divided into two opposite processes: discrete and stacked. Discrete refers to the layered slice processing of the 3D CAD model to obtain a two-dimensional profile with a cer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 陈贤帅张春雨孙学通吴成龙
Owner 广东健齿生物科技有限公司
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