| Study on Structural Design and Mechanical Properties of an Outward-looking Tire |
| Received:March 27, 2023 Revised:March 27, 2023 |
| DOI：10.12136/j.issn.1000-890X.2024.11.0848 |
| Key Words: outward-looking tire；structural design；mechanical property；finite element simulation |
| Author Name | Affiliation | E-mail | | CHEN Hao | Beijing University of Chemical Technology；.National Engineering Laboratory of Tire Design and Manufacturing Technology | ch17568207187@163.com | | JIAO Zhiwei | Beijing University of Chemical Technology；.National Engineering Laboratory of Tire Design and Manufacturing Technology | | | YANG Weimin* | Beijing University of Chemical Technology；.National Engineering Laboratory of Tire Design and Manufacturing Technology | yangwm@mail.buct.edu.cn |
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| Abstract: |
| A type of outward-looking tire with outward opening of the bead was designed and its mechanical properties were studied.The results showed that compared with ordinary tires，the opening width of the bead of outward-looking tire was increased by 25%，which could avoid tire demolding damage and extend the service life of the tire.Under the same static load conditions，when installing the rim on an outward-looking tire，due to the inward contraction of the bead and sidewall，the bead applied greater positive pressure to the rim，improving the airtightness of the tire.Due to stretching of the tread，the contact area of the tire increased and the center part of the tread beared some stresses on the shoulder part，the overall stress distribution of the tire was more uniform，which was conducive to improving the tire contact performance. |
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