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材料硬度对V型非充气轮胎性能的影响研究

Study on the influence of material hardness on the performance of V-shaped non-pneumatic tyres.

作者信息

Gao Sichen, Yu Yuan, Sun Mingjiao, Yang Weimin, Song Zhenchuan, Zheng Yangjun, Yuan Jiangming, Shuai Zhibin, Jiao Zhiwei

机构信息

Beijing University of Chemical Technology, 100029 Beijing, China.

China North Vehicle Research Institute, 100072 Beijing, China.

出版信息

Heliyon. 2024 Oct 9;10(20):e39135. doi: 10.1016/j.heliyon.2024.e39135. eCollection 2024 Oct 30.

DOI:10.1016/j.heliyon.2024.e39135
PMID:39640723
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11620062/
Abstract

Material selection is a crucial factor in the design of non-pneumatic tyres (NPT). Most NPTs are integrally manufactured using polyurethane materials for the supports, the inner ring, and the outer ring. It is evident that designing different components with varying material hardness will have distinct impacts on NPT performance. To study the influence of material hardness on the performance of V-shaped non-pneumatic tyres (VS-NPT), we developed finite element models of VS-NPTs with different TPU materials. To validate the finite element models, we manufactured tyres with three different hardness levels and conducted performance tests. Based on this model, a design concept is proposed where different components use materials with varying hardness levels. To elucidate how material hardness affects VS-NPT performance, the Taguchi method was used for analysis. The results reveal that increased material hardness leads to higher triaxial forces and triaxial stiffness in integrally designed VS-NPTs. Regardless of variations in the structural parameters of existing VS-NPTs, the spoke material has a significant impact on triaxial stiffness and contact area. When the spoke thickness exceeds 7.3 mm, the tread material predominantly affects the contact area.

摘要

材料选择是免充气轮胎（NPT）设计中的一个关键因素。大多数免充气轮胎是使用聚氨酯材料整体制造支撑体、内圈和外圈。显然，设计具有不同材料硬度的不同部件将对免充气轮胎性能产生不同影响。为了研究材料硬度对V形免充气轮胎（VS-NPT）性能的影响，我们开发了具有不同热塑性聚氨酯（TPU）材料的V形免充气轮胎的有限元模型。为了验证有限元模型，我们制造了具有三种不同硬度水平的轮胎并进行了性能测试。基于该模型，提出了一种设计理念，即不同部件使用具有不同硬度水平的材料。为了阐明材料硬度如何影响V形免充气轮胎性能，采用田口方法进行分析。结果表明，在整体设计的V形免充气轮胎中，材料硬度增加会导致更高的三轴力和三轴刚度。无论现有V形免充气轮胎的结构参数如何变化，辐条材料对三轴刚度和接触面积都有显著影响。当辐条厚度超过7.3毫米时，胎面材料主要影响接触面积。

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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/6cb25922820f/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/cbc4487009b3/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/e35834a66b19/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/3f097dcf977b/gr10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/7a12d4e96f52/gr11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/591ce535d250/gr12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/f521ebae275b/gr13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/8a81d4c060a1/gr14.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/23071c4e3239/gr15.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/2d8bf6188324/gr16.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/96b6437be7a6/gr17.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/6ab5c4a2ae9c/gr18.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/36bc/11620062/041461b65334/gr21.jpg

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