| Design and Manufacture of Green and Low-carbon Polyurethane Non-pneumatic Tire |
| Received:April 13, 2022 Revised:April 13, 2022 |
| DOI：10.12136/j.issn.1000-890X.2023.04.0288 |
| Key Words: non-pneumatic tire；roundness；polyurethane；energy saving；casting |
| Author Name | Affiliation | E-mail | | WANG Lei | 1. Beijing University of Chemical Technology；2. National Engineering Laboratory of Tire Design and Manufacturing Technology | 479659948@qq.com | | JIAO Zhiwei | 1. Beijing University of Chemical Technology；2. National Engineering Laboratory of Tire Design and Manufacturing Technology | | | SUN Jiale | 1. Beijing University of Chemical Technology；2. National Engineering Laboratory of Tire Design and Manufacturing Technology | | | YANG Weimin | 1. Beijing University of Chemical Technology；2. National Engineering Laboratory of Tire Design and Manufacturing Technology | | | LUO Shen | 1. Beijing University of Chemical Technology；2. National Engineering Laboratory of Tire Design and Manufacturing Technology | | | TAN Jing* | 1. Beijing University of Chemical Technology；2. National Engineering Laboratory of Tire Design and Manufacturing Technology | |
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| Abstract: |
| The design and manufacture of the green and low-carbon polyurethane non-pneumatic tire
were introduced，and the energy saving mechanism was analyzed. Aiming at the problem of poor energy
saving of existing non-pneumatic tires，in order to improve the roundness，this non-pneumatic tire was
composed of the carcass，rim，dovetail convex structure with misalignment of splayed formation，cord, and
spoke support structure. The carcass was made of polyurethane/rubber powder composite material，the
outer mold was assembled with the wheel hub with a convex structure，and the hub and carcass were molded
together using integrated casting process. Since polyurethane material was used for this non-pneumatic tire
instead of rubber material，the tire had a high recycling rate. At the same time，high strength carcass could
ensure the roundness of the tire，reduce fuel consumption and wear of the tire，and extend the service life of
the tire. |
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