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A Frame Structure Optimization Method Based on 3D Printing

A 3D printing and frame structure technology, applied in the field of 3D printing manufacturing, can solve problems such as difficult problems, and achieve the effects of good structural strength, shortened modeling time, and excellent structure and strength

Active Publication Date: 2022-03-22
HANKAISI INTELLIGENT TECH CO LTD GUIZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, when using 3D printing to design and manufacture the frame, it is necessary to optimize the structure of the 3D printing to meet the corresponding printing requirements. However, how to efficiently and conveniently realize the structure optimization of the 3D printing of the frame has become a difficult problem in the industry.

Method used

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  • A Frame Structure Optimization Method Based on 3D Printing
  • A Frame Structure Optimization Method Based on 3D Printing
  • A Frame Structure Optimization Method Based on 3D Printing

Examples

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Embodiment 1

[0026] Example 1. A frame structure optimization method based on 3D printing, see figure 1 , follow the steps below:

[0027] a. Input the force and material property information of the frame according to the design requirements, and use generative design to construct the initial model of the frame; see figure 2 ; Specifically, the initial model of the frame is constructed using the generative design software based on the progressive structure optimization method; through the generative design, the low-stress materials in the traditional frame structure are gradually removed, and the remaining structure finally evolves into the optimal frame The shape; the mechanical properties of the frame designed by this design method are more reasonable, and the material consumption is saved at the same time. However, since the frame structure designed by this design method is still relatively complex, it cannot be directly manufactured by 3D printing, so it is necessary to optimize the...

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Abstract

The invention discloses a frame structure optimization method based on 3D printing, which is carried out according to the following steps: a. input the force and material attribute information of the frame according to the design requirements, and construct the initial model of the frame by using generative design; b. Use the edge contraction algorithm based on the quadratic error as the measurement cost to optimize the initial model of the frame by reducing the area, and obtain the simplified model of the frame; c. Distribute point sets in the cavity of the simplified model of the frame, and connect the points in the point set to each other, Afterwards, based on the multi-objective optimization algorithm, calculate and retain the points with the highest point distribution and connection efficiency, and then delete redundant points to obtain the frame optimization model; d. Input the tube radius, and convert the structure in the frame optimization model from the line Turn into a body and generate a 3D printing model of the frame. The invention has the characteristics of reduced printing material consumption, low cost and good structural strength.

Description

technical field [0001] The invention relates to the technical field of 3D printing manufacturing, in particular to a method for optimizing a vehicle frame structure based on 3D printing. Background technique [0002] In recent years, rapid manufacturing and prototyping technologies have developed rapidly, and new prototyping technologies represented by 3D printing have received widespread attention worldwide. The core process of this technology is to melt the metal material in the form of spherical powder or wire through a high-energy beam (including laser or electron beam, etc.) layer by layer with the assistance of numerical control equipment, and then deposit it to form large structural parts. Different from the traditional "removal" cutting method, this technology uses the "growth" concept to deposit layer by layer, which greatly improves the utilization rate of raw materials and the artistry of new products. At the same time, due to avoiding the design and processing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B33Y10/00B33Y50/02
CPCB33Y10/00B33Y50/02B22F10/10B22F10/00B22F10/20B22F10/80G05B19/4099G05B2219/35134G05B2219/49007Y02P10/25Y02P90/02B33Y50/00G06F2113/10G06F2119/18G06T17/20
Inventor 崔强西达·伯尔张明喻川
Owner HANKAISI INTELLIGENT TECH CO LTD GUIZHOU
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