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| 轮胎胎圈打褶和胎里窝气的原因分析及解决措施 |
| Root Cause Analysis of Bead Folding and Interior Entrapped Air of Tire and Corrective Actions |
| Received:January 02, 2020 Revised:January 02, 2020 |
| DOI：10.12135/j.issn.1006-8171.2021.02.0119 |
| 中文关键词: 轮胎；胎圈打褶；胎里窝气；原因分析；解决措施；硫化工艺 |
| 英文关键词: tire；bead folding；interior entrapped air；root cause analysis；corrective action；curing process |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | MU Zhenxing* | Prinx Chengshan（Shandong） Tire Co.，Ltd | muzhenxing1984@163.com | | XU Jiangang | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | WANG Junxia | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | WANG Mingwei | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | SUN Zongtao | Prinx Chengshan（Shandong） Tire Co.，Ltd | |
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| 中文摘要: |
| 对造成轮胎胎圈打褶和胎里窝气缺陷的原因进行分析并提出相应解决措施。轮胎胎圈打褶问题主要通过调整机械手伸张直径公差范围、调整内套高度、增加“呼吸”动作、控制装胎高度和换用光面胶囊等方式进行解决；胎里窝气问题主要通过调整定型时间和增加定型排放的方式进行解决。采取改进措施后胎圈打褶和胎里窝气缺陷轮胎数量明显减少，节约了生产成本。 |
| 英文摘要: |
| The causes of tire bead folding and interior entrapped air defects were analyzed and the corresponding corrective actions was proposed.Tire bead folding problem were mainly solved by adjusting the tolerance range of the manipulator extension diameter，adjusting the height of the inner sleeve，increasing the “breathing” action，controlling the height of the tyre and changing to a smooth bladder.The interior entrapped air problem was mainly solved by adjusting the stereotype time and adding the way of stereotyped emission.After the corrective actions were taken，the number of tires with bead folding and interior entrapped air defects was significantly reduced，and the production costs was reduced. |
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