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| 全钢子午线轮胎胎趾平台裂缝原因分析及解决措施 |
| Root Causes Analysis of Bead Toe Cracking of TBR Tire and Corrective Actions |
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| DOI： |
| 中文关键词: 全钢子午线轮胎 胎趾平台 裂缝 钢棱圈 |
| 英文关键词: steel radial tire bead toe crack steel rim |
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| 中文摘要: |
| 分析全钢子午线轮胎胎趾平台裂缝的原因并提出相应的解决措施。通过将硫化模具钢棱圈斜面与胎趾平台对应部位的直线连接改为圆弧连接和/或在连接处开设开排气孔，有效解决了硫化模具胎趾对应部位排气不畅导致的轮胎胎趾平台裂缝问题。 |
| 英文摘要: |
| In this paper， the root causes of bead toe cracking of steel radial tire were analyzed. It was found that the key issue was the poor air exhaust in the position of mold to form bead toe. Based on the analysis， arc connection was used to replace the straight line connection between the slope of steel rim molding position and the platform of bead toe molding position. Air vent holes were designed in the connection part of the mold to improve the air exhaust during the molding process. |
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