| Structural Design and Mechanical Properties of Non-pneumatic Tire |
| Received:July 10, 2020 Revised:July 10, 2020 |
| DOI：10.12136/j.issn.1000-890X.2021.02.0083 |
| Key Words: non-pneumatic tire；honeycomb-type；spoke-type；structural design；mechanical property |
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| Abstract: |
| The advantages of pneumatic tires，such as lower energy loss when rolling on rough pavement，and smaller vertical stiffness，contact pressure and load quality，as well as the defects of burst，non-puncture resistance and unstable operation are described.The structure and mechanical properties of two kinds of typical non-pneumatic tires namely，spoke-type non-pneumatic tires and honeycomb-type non-pneumatic tires are introduced.Compared with traditional pneumatic tires，not only the vertical stiffness and contact pressure of non-pneumatic tires can be decoupled，but also the vertical stiffness，lateral stiffness and torsional stiffness are no longer strongly coupled，which greatly expands the variable space in the tire design.And the non-pneumatic tires performance can be effectively optimized only by adjusting the structure and geometric parameters of the shear band and spokes.However，there are many problems with non-pneumatic tires，which are still in the experimental stage.In the future，the market demand of non-pneumatic tires will continue to expand，and its structure and mechanical properties will continue to improve，and these will make non-pneumatic tires a major variety in the field of tire. |
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