A Frame Structure Optimization Method Based on 3D Printing

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 ...

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.

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