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| P405/25ZR24轿车子午线轮胎的设计 |
| Design of P405/25ZR24 PCR Tire |
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| DOI： |
| 中文关键词: 轿车子午线轮胎；结构设计；施工设计；超高性能轮胎；氮气硫化 |
| 英文关键词: PCR tire；structure design；construction design；UHP tire；nitrogen gas vulcanization |
| 基金项目: |
| 中图分类号:U463.341＋.4/.6 |
| Author Name | Affiliation | | WANG Jin-ying | Zhaoqing Junhung Industrial Co.，Ltd |
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| 中文摘要: |
| 介绍P405/25ZR24轿车子午线轮胎的设计。结构设计：轮胎外直径 812 mm，轮胎断面宽 422 mm，行驶面宽度 352 mm，行驶面弧度高 12.4 mm，胎圈着合直径 613 mm，胎圈着合宽度 373 mm，断面水平轴位置（H1/H2） 0.849，采用非对称花纹设计。施工设计：胎体采用1层1350dtex/2 DSP聚酯帘布，带束层采用芳纶纤维骨架材料；采用LCY型成型机成型，氮气硫化工艺硫化。成品性能试验结果表明，成品轮胎充气外缘尺寸、强度性能、脱圈阻力、耐久性能和低气压性能以及高速性能均符合相应设计和国家标准要求，物理性能符合企业标准要求，各项室外实际装车测试性能均优于其他品牌轮胎。 |
| 英文摘要: |
| A design of P405/25ZR24 PCR tire was described.In structure design，the following parameters were taken：overall diameter 812 mm，cross-sectional width 422 mm，width of running surface 352 mm，height of running surface 12.4 mm，bead diameter at rim seat 613 mm，bead width at rim seat 373 mm，cross-sectional level ratio （H1/H2） 0 .849，with the design of unsymmetrical pattern groove.In construction design，the following processes were taken：1 layer 1350dtex/2 DSP polyester cord for carcass ply，aramid fiber cord for belt ply；using LCY-type building machine to build tires，and using nitrogen gas vulcanization process to cure tires.It was confirmed by the tests of finished tire that the peripheral dimension，strength performance，bead unseating resistance，endurance performance，low air pressure and high speed performance met the requirements in the relative design and national standard，and the physical properties met the enterprise standard.The outdoor test performance of actual loading was better than other brand tires. |
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