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Implementation method based on 3D (Three Dimensional) printing data processing software platform

A data processing software, 3D printing technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as inability to guarantee the quality of molding, long processing preparation time, increase costs, etc., to reduce memory costs and Waiting time, saving output time, improving the effect of layering efficiency

Active Publication Date: 2015-04-08
广东健齿生物科技有限公司
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  • 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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  • Implementation method based on 3D (Three Dimensional) printing data processing software platform

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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 ASCI...

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Abstract

The invention discloses an implementation method based on a 3D (Three Dimensional) printing data processing software platform. The implementation method based on the 3D printing data processing software platform comprises the following steps of establishing a 3D model of a part to be processed, and generating a corresponding STL (Standard Template Library) file according to the established model; adopting an OpenGL visualization technology to carry out visualization processing on the generated STL file; carrying out rapid hierarchical slicing processing on a 3D model subjected to the visualization processing according to the position and the topological relationship of a triangular patch in the STL file, and automatically adding a support structure for the 3D model of the part to be processed; according to the result of hierarchical slicing processing and the characteristics of processing materials, adopting a birth-death element method to simulate a processing process based on SLS (Selective Laser Sintering) and SLM (Selective Maping) technology processes for the part to be processed; carrying out parameter selection and model optimization on the part to be processed according to the simulation result, so that optimal printing parameters and an optimal processing model of the part to be processed are obtained. The implementation method based on the 3D printing data processing software platform has the advantages of high efficiency, low cost and good forming quality, and can be widely applied 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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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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