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| 活络模硫化轮胎沟底胶边产生原因分析及改善措施 |
| Cause Analysis and Improvement Measures of the Burr in Groove of Tire Vulcanized by Movable Mold |
| Received:December 08, 2020 Revised:December 08, 2020 |
| DOI： |
| 中文关键词: 活络模；沟底胶边；溢胶；咬胶；胎坯周长；定型压力 |
| 英文关键词: movable mold；burr in groove of tire；overflow burr；biting burr overflow；circumference of green tire；building pressure |
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| Author Name | Affiliation | E-mail | | Cai Linfeng* | Zhongce Rubber Group Co. ，Ltd | clf070201@163.com | | Wang Jianbo | Zhongce Rubber Group Co. ，Ltd | | | Wang Hongxiang | Zhongce Rubber Group Co. ，Ltd | |
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| 中文摘要: |
| 分析轮胎花纹沟底胶边产生的原因，并提出相应的改善措施。结果表明，模具花纹筋头部变形和胎坯周长与模具花纹筋直径干涉是造成花纹沟底胶边的主要原因，控制模具花纹筋的缝隙精度和胎坯周长、采用切断阀代替单向阀以保持硫化机的定型压力、设置防咬胶结构的模具，可有效改善沟底胶边问题。 |
| 英文摘要: |
| The causes for the burr in groove of tire were analyzed and the corresponding improvement measures were proposed. The results showed that the deformation of the mold rib head and the interference of the circumference of the green tire and the diameter of the mold rib were the main causes of the burr in groove of tire. Controlled the gap accuracy of the mold rib and the circumference of green tire，used a shut-off valve instead of a one-way valve to maintain the building pressure of vulcanizer，and applied a mold with an anti-biting structure could effectively improve the problem of the burr in groove of tire. |
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