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| 225/45ZRF18 95W FRD866跑气保用半钢子午线轮胎的设计 |
| Design on 225/45ZRF18 95W FRD866 Run-flat Steel-belted Radial Tire |
| Received:September 18, 2018 Revised:September 18, 2018 |
| DOI：10.12135/j.issn.1006-8171.2019.06.0337 |
| 中文关键词: 跑气保用轮胎；半钢子午线轮胎；结构设计；施工设计；自体支撑式 |
| 英文关键词: run-flat tire；steel-belted radial tire；structure design；construction design；self-supporting type |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | zhengtao* | Shandong Fengyuan Tire Manufacturing Co.,Ltd. | xhmgc01@163.com | | QIN Yiru | Shandong Fengyuan Tire Manufacturing Co.,Ltd. | | | CHEN Qing | Shandong Fengyuan Tire Manufacturing Co.,Ltd. | | | KONG Dongdong | Shandong Fengyuan Tire Manufacturing Co.,Ltd. | | | KONG Xiangran | Shandong Fengyuan Tire Manufacturing Co.,Ltd. | |
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| 中文摘要: |
| 介绍225/45ZRF18 95W FRD866跑气保用半钢子午线轮胎的设计。结构设计：外直径?655 mm，断面宽?245 mm，行驶面宽度?191 mm，行驶面弧度高?9.46 mm，胎圈着合直径?458 mm，胎圈着合宽度?219.5 mm，断面水平轴位置（H1/H2）?0.945；胎面采用长型与短型花纹交替的变节距花纹，花纹深度?8.0 mm，花纹饱和度?63.8%，花纹周节数?63。施工设计：胎侧采用支撑胶和增强层，分别提高了轮胎在跑气状态下的支撑性能和刚度；冠带层采用锦轮66帘线；1#和2#带束层均采用2＋2×0.30HT钢丝帘线，胎体采用高模量低收缩聚酯帘线；成型采用一次法成型机，硫化采用氮气硫化工艺。成品性能试验结果表明，成品轮胎的充气外缘尺寸、强度性能、耐久性能、高速性能和零气压性能达到设计或国家标准要求。 |
| 英文摘要: |
| The design on 225/45ZRF18 95W FRD866 run-flat steel-belted radial tire was described.In the structure design，the following parameters were taken：overall diameter?655 mm，cross-sectional width?245 mm，width of running surface?191 mm，arc height of running surface?9.46 mm，bead diameter at rim seat?458 mm，bead width at rim seat?219.5 mm，maximum width position of cross-section（H1/H2）?0.945，using variable pitch tread pattern with alternating long and short type patterns，patter depth?8.0 mm，block/total ratio?63.8%，and number of pattern pitches?63.In the construction design，the following processes were taken：the sidewall used support compound and reinforcing layer which improved the support performance and stiffness of the tire under run-flat condition respectively，the crown layer used nylon 66 cord，1#and 2# belt used 2＋2×0.30HT steel cord，the carcass used HMLS polyester cord，using one-step building machine to build tire，nitrogen curing process to cure tires.The performance test results of the finished tire showed that the inflated peripheral dimension，strength，durability，high-speed performance and zero pressure performance met the requirements of the design or national standards. |
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