Automobile hub lightweight design method

Abstract

The invention discloses an automobile hub lightweight design method. The method comprises the steps of S1, establishing an automobile hub three-dimensional geometrical model and filling the spoke area of the geometrical model with materials; S2, establishing a hub topology optimization mathematical model and obtaining the optimal material distribution structure of a hub by means of topology optimization; S3, conducting secondary design and strength analysis in CAD software according to the hub structure subjected to topology optimization; S4, establishing an approximation model by means of the Latin square test sampling method and the response surface technology, and conducting size optimization on the hub subjected to secondary design by means of the evolution algorithm; S5, conducting strength verification on the optimized model. According to the method, conceptual design is conducted on the automobile hub firstly through topology optimization to obtain optimal material structure distribution of the automobile hub, then the approximation model is established by means of the Latin square testing method and the response surface technology with the strength of the hub as the restraint condition, detailed size optimization is conducted on the hub subjected to secondary design by means of the evolution algorithm, and then lightweight of the hub is realized.

Description

technical field [0001] The invention relates to automobile lightweight technology, in particular to a lightweight design method for automobile wheel hubs. Background technique [0002] The wheel hub is an important part of the vehicle driving system. Its quality and performance directly affect the safe driving of the vehicle, so the research and development of the wheel hub is particularly important. The development of my country's automobile industry is late, and there is still a big gap compared with western developed countries. my country's automobile design mainly relies on analogy and empirical methods, which not only result in long production cycles and poor design effects, but also increase labor intensity and costs, making it difficult to remedy defects that appear later. With the development of the automobile industry, the domestic wheel hub industry is also becoming more and more prosperous. However, many wheel hub companies focus on the introduction of equipment,...

AI Technical Summary

Problems solved by technology

my country's automobile design mainly relies on analogy and empirical methods, which not only result in long product production cycles and poor design effects, but also increase labor intensity and costs, making it difficult to remedy defects that appear later.

With the development of the automobile industry, the domestic wheel hub industry is also becoming more and more prosperous. However, many wheel hub companies pay attention to the introduction of equipment and ignore process improvement and some key technologies. Only a few manufacturers have formed their own complete production systems combined with CAE technology.

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