| 385/95R25起重机专用全钢工程机械子午线轮胎 胎侧实鼓原因分析及解决措施 |
| Causes Analysis and Solution of Sidewall Solid Bulge of 385/95R25 All-steel Off-the-road Radial Tire for Crane |
| 投稿时间：2021-02-02 修订日期：2021-02-02 |
| DOI：10.12136/j.issn.1000-890X.2022.07.0537 |
| 中文关键词: 全钢工程机械子午线轮胎 起重机 胎侧实鼓 胶部件 接头 搭接量 |
| 英文关键词: all-steel off-the-road radial tire crane sidewall solid bulge rubber parts joint overlap |
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| 中文摘要: |
| 对385/95R25起重机专用全钢工程机械子午线轮胎胎侧实鼓的产生原因进行分析，并提出解决措施。经过X光检测、周向切割断面分析以及试验验证，确定胎侧实鼓的产生原因为胶部件接头搭接量超过指标要求，通过采取将胎侧接头搭接量控制在0～2 mm范围内、接头裁切由垂直裁切（裁切角度＝90°）调整为斜式裁切（裁切角度≤30°）、严格控制工艺过程、制定实鼓专项检测方法等措施，基本解决了胎侧实鼓问题。 |
| 英文摘要: |
| The causes of the sidewall solid bulge of 385/95R25 all-steel off-the-road radial tire specialized for crane were analyzed，and the solutions were put forward.Through X-ray detection，circumferential cutting section analysis and test verification，it was determined that the main cause of the sidewall solid bulge was that the joint overlap of the rubber parts exceeded the index requirements. By controlling the overlap of the sidewall joint within the range of 0 ～ 2 mm，adjusting the joint cutting from vertical cutting（cutting angle＝90°） to oblique cutting（cutting angle≤30°），strictly monitoring the process，and implementing special bulging detection methods，the problem of sidewall solid bulge was basically solved. |
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