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| 全钢载重子午线轮胎内衬层气泡产生原因分析及解决措施 |
| Causes Analysis of Bubbles in Inner Liner of Truck and Bus Radial Tire and Corrective Actions |
| Received:August 20, 2019 Revised:August 20, 2019 |
| DOI：10.12135/j.issn.1006-8171.2020.10.0626 |
| 中文关键词: 全钢载重子午线轮胎；内衬层；热贴合；层间气泡 |
| 英文关键词: truck and bus radial tire；inner liner；hot fitting；interlayer bubble |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | zhangzhijian* | 800 million rubber limited liability company | 331591290@qq.com | | zhangchao | 800 million rubber limited liability company | | | xuxiangyue | 800 million rubber limited liability company | | | wangjizheng | 800 million rubber limited liability company | |
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| 中文摘要: |
| 从人员操作、生产设备、胶料性能和生产工艺等方面，分析全钢载重子午线轮胎内衬层气泡产生原因，并提出相应解决措施。通过改变压辊材质，优化压力参数和挤出生产参数，界定压延机温度和物料存放区域，增大挤出供胶压力和过渡层与气密层贴合角度，调整过渡层与气密层收缩率，加强终炼胶门尼粘度控制及重新设计异形组合压辊，内衬层层间气泡问题得到了有效解决，大幅减少了成品轮胎脱层、胎里气泡和X光检测气泡等问题，提高了轮胎整体性能。 |
| 英文摘要: |
| From the aspects of personnel operation，production equipment，compound properties，production process，etc.，the causes of bubbles in inner liner of truck and bus radial tire were analyzed，and the countermeasures were proposed.By changing the roller material，optimizing pressure parameters and extrusion production parameters，defining the calender temperature and material storage area，increasing the extrusion feeding pressure and the bonding angle between the transition layer and air tight layer，adjusting the shrinkage ratio of the transition layer and air tight layer，strengthening the Mooney viscosity control of the final compound，and redesigning the special-shaped combination roller，the interlayer bubble problem of the inner liner had been effectively solved，which could greatly reduced the problems such as delamination，bubbles in tire and bubbles detected by X-ray to improve the overall performance of tire. |
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