| 徐文静,张凤杰.半钢子午线轮胎早期胎圈周向裂口原因分析及解决措施[J].橡胶科技,2018,16(4):43-45. |
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| 半钢子午线轮胎早期胎圈周向裂口原因分析及解决措施 |
| Cause Analysis of Early Stage Bead Circumferential Cracks of Semi-steel Radial Tire and Corrective Actions |
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| DOI： |
| 中文关键词: 周向裂口 胎圈 半钢子午线轮胎 结构设计 挤出 成型 |
| 英文关键词: circumferential cracks bead semi-steel radial tire structure design extrusion forming |
| 基金项目: |
| 中图分类号:TQ336.1 |
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| 摘要点击次数: 689 |
| 全文下载次数: 302 |
| 中文摘要: |
| 分析半钢子午线轮胎早期胎圈周向裂口的原因并采取相应解决措施。胎圈周向裂口产生的原因包括胎体帘 布伸张值过小、胎圈处应力集中、耐磨胶厚度小和耐磨胶接点超出轮辋线、带束层宽度大、成型反包不实等。通过优化结构，严控挤出和成型工艺，胎圈结构更合理，避免了应力集中，轮胎的高速性能、耐久性能、胎圈强度明显提高，退赔率降低。 |
| 英文摘要: |
| The root causes of early stage bead circumferential cracks of semi-steel radial tire were analyzed and corrective actions were proposed. The main causes included small tension rate of carcass ply， stress concentration on bead，small thickness of abrasion rubber and the splice beyond the mark line of rim， large width of belt，nonconforming turn-up in building，et al. With structure optimization and strict control of extruding and building process，the bead structure was better，stress concentration was avoided，high-speed performance，durability and bead strength of the tire were improved，and the claim rate was decreased. |
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