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| DSP和改性锦纶66帘线在子午线轮胎中的应用对比 |
| Comparison between DSP and modified nylon 66 cords applied in radial tire |
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| DOI： |
| 中文关键词: 改性锦纶66帘线；尺寸稳定型聚酯帘线；轿车/轻型载重子午线轮胎；负荷特性 |
| 英文关键词: modified nylon 66 cord；DSP cord；PCR tire；LTR tire；loading capacity |
| 基金项目: |
| 中图分类号:TQ330.38＋9；U463.341＋.6 |
| Author Name | Affiliation | | ZHAO Dong-mei | Beijing Capital Tire Co.，Ltd |
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| 中文摘要: |
| 以尺寸稳定型聚酯（DSP）和改性锦纶66帘线作为轿车和轻型载重子午线轮胎的胎体骨架材料，对比分析轮胎外缘尺寸和静负荷特性。结果表明，DSP胎体轮胎与改性锦纶66胎体轮胎相比，轮胎静态断面宽小；耐久性试验后，DSP胎体轮胎断面宽变化率小于改性锦纶66胎体轮胎；高速试验后，DSP胎体轮胎断面宽变化率大于改性锦纶66胎体轮胎；一定气压和负荷条件下，DSP胎体轮胎下沉率大，印痕面积小，接地区域单位面积平均压力大，轮胎硬度因数大。DSP胎体轮胎尺寸稳定性好，均匀性好，但操纵性和胎面耐磨性比改性锦纶66胎体轮胎稍差。 |
| 英文摘要: |
| The dimension-stable polyester (DSP) and modified nylon 66 cords were applied in the carcass ply of PCR tire and LTR tire，and the overall diameters and static loading capacities of test tires were compared.The results showed that compared to modified nylon 66 cord tire，DSP cord tire featured smaller static cross-sectional width，lower change rate of cross-sectional width after endurance test，higher change rate of cross-sectional width after high speed test；under a certain inflation pressure and loading capacity，DSP cord tire possessed higher deflection，smaller foot-print，larger even pressure intensity at ground-contact area and greater hardness factor；and DSP cord tire had better dimension stability and uniformity，but somewhat poorer handling quality and tread life. |
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