| 周君兰,初坤龙,黄玉辉,孙淑英,夏清晓.全钢子午线轮胎胎体帘布稀线的原因分析及解决措施[J].轮胎工业,2022,42(1):0046-0048 |
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| 全钢子午线轮胎胎体帘布稀线的原因分析及解决措施 |
| Cause Analysis and Countermeasures of Carcass Cord Sparse Line of All-steel Radial Tire |
| 投稿时间：2021-04-19 修订日期：2021-04-19 |
| DOI：10.12135/j.issn.1006-8171.2022.01.0046 |
| 中文关键词: 全钢子午线轮胎 胎体 帘布稀线 工艺措施 |
| 英文关键词: all-steel radial tire carcass cord sparse line process measure |
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| 中文摘要: |
| 对全钢子午线轮胎胎体帘布稀线产生原因进行分析并提出改进措施。造成胎体帘布稀线的主要原因包括压延相关张力/压力设置不合理或波动造成局部脱层和裁断接头异常、成型导开胎体时拉伸造成胎体帘线疏密不均、成型胶部件接头过大或接头拉开、成型胎体接头异常、半部件胶料中或成型贴合半部件层间有杂质、胎坯转运或存放过程中受伤变形等。通过合理设置压延辊筒间压力，严格控制裁断、成型胎体接头器压力，规范成型胶部件接头质量，避免杂质带入及帘布拉伸，避免胎坯转运存放过程中发生变形等措施可有效减少胎体帘布稀线的发生。 |
| 英文摘要: |
| The causes for the sparse lines of the carcass cords of all-steel radial tires were analyzed and improvement measures were proposed.The main causes for the sparse line of the carcass cord included unreasonable setting or fluctuation of related tension/pressure of calender causing local delamination and abnormal of the cutting joints，stretching when the carcass was formed which caused unevenly dense of carcass cords，too large or open of molded compound parts joints，abnormal of the carcass joints during building，impurities in the semi-component compound or between the molded and laminated semi-component layers，injury deformation during the green tire transfer or storage.Measures such as reasonably setting the pressure between the calendering rollers，strictly controlling the pressure of the cutting and forming carcass jointer，standardizing the quality of the molded rubber part joints，avoiding impurities and cord stretching，and avoiding deformation of the green tire during transfer and storage could effectively reduce the occurrence of carcass cord sparse line. |
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