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| 提高轮胎负荷能力的研究 |
| Study on Increasing Tire Load Capacity |
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| DOI： |
| 中文关键词: 尼龙斜交轮胎;超负荷 |
| 英文关键词: nylon bias tire;super-load |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | | He Mu | Shanghai Tire and Rubber (Group) Co. ,Ltd |
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| 中文摘要: |
| 根据9.00-20 16PR尼龙载重斜交轮胎使用条件的变化,有针对性地对原设计进行了改进。调整轮廓参数,H1/H2的值由0. 904 9改为0. 912 5,使断面水平轴上移,减小下胎侧变形;胎圈直径减小1 mm;胎面花纹采用八脚形;缓冲层由“二窄”结构改为“单宽”结构;胎体采用1870dtex/2加密帘布。同时,严格控制工艺执行率。改进后,轮胎成品性能符合企业标准,轮胎耐久性能和超负荷性能大大提高。 |
| 英文摘要: |
| The original design of 9.00-20 16PR nylon bias truck tire was modified according to the change of their service conditions. The profile parameters changed ,i.e.H1/H2 was increased f rom 0.904 9 to 0.912 5 to shift the horizontal axis upwards and reduce the deformation in lower sidewall region;the bead diameter was decreased by 1 mm; the eight-feet tread patterns were used; the single ply wide breaker was used instead of the two narrow ply breaker ;and 1870 dtex/2 tightened cord was used in carcass. At same time ,the processing technique was carried out tightly. The endurance and super-load capacity of modified tire were improved significantly. |
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