基于田口方法的运动型轿车轮毂设计分析

Research on Design of Sports Car Wheel Hub Based on Taguchi Method

以规格7Jx17 ET45的轮毂为例研究如何从多样式、质量达标且规格相同的轮毂产品中高效的挑选出最优结果。根据已有3款产品的合理分析和轮毂受应力越小其品质越好的特点,绘制出特性要因图,确定设计过程中的重要控制因子和水准,对应直交表L9(34)创建9组轮毂实验样本(模拟同规格轮毂产品的9种设计方案),利用田口方法中的望小特性,结合ANSYS有限元分析数据对9组样本进行信噪比分析并绘制S/N效应表。研究表明:该设计条件下影响产品质量最关键的控制因子是轮辐数量。此方法可以根据产品的质量要素来确定最优化设计方案,在此实验条件下,如果只针对最优化设计方案进行量产,则可以减少约为65.2%的实体样本试验成本和时间。

The main content of this article:how to efficiently select the best results from wheel products with multiple styles,quality standards and specifications.Taking the specifications of the 7Jx17 ET45 wheel as an example,according to the reasonable analysis of the existing 3 products and the characteristics of the wheel with less stress,the better the quality,the characteristic factor map is drawn,the important control factors and levels in the design process are determined,corresponding to the orthogonal Table L9(34)creates 9 sets of wheel experimental samples(simulating 9 design schemes of wheel products of the same specifications),uses the small feature of Taguchi method,and combines ANSYS finite element analysis data to analyze and plot the 9 sets of samples S/N effect table.Research shows that the most critical control factor affecting product quality under this design condition is the number of spokes.This method can determine the optimal design scheme according to the quality factors of the product.Under this experimental condition,if only the optimal design scheme is mass-produced,the cost and time of the physical sample test can be reduced by about 65.2%.