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| 全钢载重子午线轮胎胎圈气泡的产生原因及改进措施 |
| Cause Analysis of Bead Bubble of Truck and Bus Radial Tire and Corrective Actions |
| Received:September 13, 2021 Revised:September 13, 2021 |
| DOI： |
| 中文关键词: 全钢载重子午线轮胎；胎圈气泡；排气线；成型辊压；半成品尺寸 |
| 英文关键词: truck and bus radial tire；bead bubble；exhaust line；building roller；size of semi-finished product |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | CHU KUNLONG* | 浦林成山山东轮胎有限公司 | klchu@prinxchengshan.com | | ZHOU Junlan | 浦林成山山东轮胎有限公司 | | | LYU Wei | 浦林成山山东轮胎有限公司 | | | SUN Zongtao | 浦林成山山东轮胎有限公司 | | | ZHANG Yanjun | 浦林成山山东轮胎有限公司 | |
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| 中文摘要: |
| 分析全钢载重子午线轮胎胎圈气泡的产生原因并提出相应改进措施。施工设计及半成品尺寸不当、排气线完整性差、成型贴合压辊位置不合理及硫化模具钢圈排气线不通等均会导致胎圈气泡缺陷。经过优化施工设计、增加胎侧及加强层刺孔工艺、规范半成品尺寸过渡及成型辊压等措施能够有效减少胎圈气泡的产生，提高轮胎合格率。 |
| 英文摘要: |
| The causes of bead bubbles of truck and bus radial tire were analyzed and corresponding improvement measures were put forward.Inappropriateness of construction design and semi-finished product size，poor integrity of the exhaust line，unreasonable position of the building and laminating rollers，and unreasonable exhaust line of curing mold steel ring all led to the defect of bead bubbles.By optimizing the construction design，increasing the puncture process of the sidewall and reinforcement layer，standardizing the size transition of semi-finished products and building rolling，the generation of bead bubbles could be effectively reduced，and the qualification rate of finished tire could be improved. |
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