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| 3×0.22/9×0.20CCUMT钢丝帘线的开发 |
| Development of 3×0.22/9×0.20CCUMT Steel Cord |
| Received:September 10, 2019 Revised:September 10, 2019 |
| DOI：10.12135/j.issn.1006-8171.2020.10.0607 |
| 中文关键词: 钢丝帘线；高强度；生产工艺；轮胎胎体；轻量化 |
| 英文关键词: steel cord；high strength；production process；tire carcass；lightweight |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | NI Zifei* | aa | jsnzf@163.com | | SHENG Rongsheng | aa | |
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| 中文摘要: |
| 采用两种不同碳含量的进口盘条，制定合理的半成品热处理工艺和湿式拉拔工艺，可以生产出合格的3×0.22/9×0.20CCUMT钢丝帘线。结果表明：与3×0.22/9×0.20CCUT和3×0.24/9×0.225CCHT钢丝帘线相比，3×0.22/9×0.20CCUMT钢丝帘线的单丝强度高，帘线直径小且破断力高；以其替代它们用于轮胎胎体中，可以减小帘布厚度，同时减小钢丝帘线和胶料用量，实现轮胎轻量化。 |
| 英文摘要: |
| The qualified 3×0.22/9×0.20CCUMT steel cord could be produced by adopting two kinds of imported wire rods with different carbon content and reasonable semi-finished heat treatment process and wet drawing process.The results showed that，compared with the 3×0.22/9×0.20CCUT and 3×0.24/9×0.225CCHT steel cord，3×0.22/9×0.20CCUMT steel cord had high single filament strength，small diameter and high breaking force.Using 3×0.22/9×0.20CCUMT steel cord instead of them in the tire carcass，the thickness of cord could be decreased，and the amount of steel cord and compound could be reduced to realize the lightweight of tire. |
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