文章摘要
Design of 43×16.0R20 Tubeless Aviation Radial Tire
Received:December 13, 2024  Revised:December 13, 2024
DOI：10.12136/j.issn.1000-890X.2026.06.0447
Key Words: aviation radial tire；tubeless tire；structure design；construction design；finished tire performance
Author NameAffiliationE-mail
WANG Liye* Kaidi North-West Rubber Co.，Ltd liyemary@126.com 
GAO Lihui Kaidi North-West Rubber Co.，Ltd  
YANG Xingyun Air Force Military Representative Office in Xianyang Area  
CHEN Bo Air Force Military Representative Office in Xianyang Area  
SHEN Juan Air Force Military Representative Office in Xianyang Area  
LU Qi Air Force Military Representative Office in Xianyang Area  
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Abstract:
      The design of 43×16.0R20 tubeless aviation radial tire was introduced.In the structure design，the following parameters were taken：overall diameter　1 045 mm，cross-sectional width?370 mm，width of running surface　290 mm，arc height of running surface　290 mm，bead diameter at rim seat?505 mm，bead width at rim seat?340 mm，maximum width position of cross–section（ H/1/H/2）?1.11，using 4 longitudinal grooves tread pattern，pattern depth?8.0 mm，pattern width　6.0 mm.In the construction design，the following processes were taken：using specialized tread compound with high tensile stress at a given elongation，adding adhensive rubber sheet for belt and an aramid cord corrugated protective layer under the tread，using 14-layer 920dtex aramid cord＋2300dtex nylon 66 cord for belt，using 6-layer 2100dtex/3 nylon 66 cord for carcass，using circular section steel bead ring，using a special two-stage building machine to build tire and a steam pot dual-mode vulcanizing machine to cure tire.The inflated peripheral dimention，physical properties，burst performance，static load performance and dynamic performance of fineshed tire all met the design and national standard requirements.
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