| 于祥钊,盛春敬,刘北江.硫化后充气压力和时间对航空轮胎性能的影响[J].橡胶科技,2024,22(1):0041-0044. |
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| 硫化后充气压力和时间对航空轮胎性能的影响 |
| Effect of Post-curing Inflation Pressure and Time on Performance of Aircraft Tire |
| 投稿时间：2023-02-09 修订日期：2023-02-09 |
| DOI：10.12137/j.issn.2095-5448.2024.01.0041 |
| 中文关键词: 航空轮胎 帘线收缩力 帘线张力 胎体温度 硫化后充气压力和时间 动态模拟试验 |
| 英文关键词: aircraft tire cord shrinkage force cord tension carcass temperature post-curing inflation pressure and time dynamic test |
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| 摘要点击次数: 615 |
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| 中文摘要: |
| 选取27×7.7－15航空轮胎作为研究对象，通过分析轮胎胎体帘线张力与充气压力的关系以及帘线收缩率、收缩力与温度的关系，并通过热电偶测温法测量轮胎硫化后充气过程中温度随时间的变化情况，确定轮胎最小硫化后充气压力设为200 kPa，可以保证轮胎在胎体温度为160～170 ℃时出模胎体帘线不产生热收缩；硫化后充气时间设定为1个硫化周期，可以保证轮胎冷却至环境温度。成品轮胎充气外缘尺寸及动态模拟试验验证了后充气压力和时间选取的合理性。 |
| 英文摘要: |
| Selecting 27×7.7－15 aircraft tire as the research object，by analyzing the relationship between tire carcass cord tension and inflation pressure，as well as the relationship between tire cord shrinkage rate and shrinkage force，and temperature，and measuring the temperature change over time during the tire post-curing inflation process using thermocouple temperature measurement，the minimum post-curing inflation pressure of the tire was set at 200 kPa，which could ensure that the carcass cord did not produce thermal shrinkage when the tire was demolded at the carcass temperature of 160～170 ℃.The post-curing inflation time was set at 1 vulcanization cycle，which could ensure that the tire cooled down to the ambient temperature.The rationality of the selection of post-curing inflation pressure and time was verified through the inflated peripheral dimension and dynamic tests of the finished tire. |
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