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| 12.00R20 18PR全钢载重子午线轮胎性能改进的研究 |
| Improvement of 12.00R20 18PR TBR Tire |
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| DOI： |
| 中文关键词: 全钢载重子午线轮胎；胎圈；胎体；帘布；反包；配方优化；耐久性能 |
| 英文关键词: TBR tire；bead；carcass；ply；turn-up；formula optimization；durability |
| 基金项目: |
| 中图分类号:TQ336.1＋1 |
| Author Name | Affiliation | | SUN Wenwen | Qingdao University of Science and Technolog；Bayi Tire Co.，Ltd | | ZHANG Chao | Bayi Tire Co.，Ltd | | HU Bo | China Quality Certification Center | | WANG Jizeng | Bayi Tire Co.，Ltd |
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| 中文摘要: |
| 对12.00R20 18PR全钢载重子午线轮胎性能改进进行研究。通过调整胎圈和胎体反包高度来优化胎圈部位帘布反包结构，在胎圈反包端点部位增加1层尼龙包布，在尼龙包布内端点部位增加1层胶片，优化胎面胶和胎肩垫胶配方来提高胎面胶抗撕裂性能、降低胎面胶和胎肩垫胶生热，大幅度提高了胎圈的耐久性能，延长了轮胎的使用寿命。 |
| 英文摘要: |
| The properties of 12.00R20 18PR TBR tire were improved in this study.The turn-up structure of fabric in bead position was optimized by adjustment of turn-up height of bead and carcass.One additional layer of nylon fabric was added at the end position of bead turn-up.One more layer of rubber was inserted into the nylon fabric layers.The tread compound and shoulder compound were also optimized for higher tear strength and lower heat build-up.After the improvement，the durability of bead was significantly improved and the tire service life was extended. |
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