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| 3＋8×0.21ST钢丝帘线在全钢轻型载重子午线轮胎胎体中的应用 |
| Application of 3＋8×0.21ST Steel Cord in All-steel Lightweight Carcass of Truck and Bus Radial Tire |
| Received:August 22, 2022 Revised:August 22, 2022 |
| DOI：10.12135/j.issn.1006-8171.2024.02.0092 |
| 中文关键词: 全钢轻型载重子午线轮胎；钢丝帘线；胎体 |
| 英文关键词: all-steel lightweight truck and bus radial tire；steel cord；carcass |
| 基金项目: |
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| Author Name | Affiliation | E-mail | | Yu guohong* | Prinx chengshan (shandong) tire co., LTD | ghyu@prinxchengshan.com | | SUN Zhigang | Prinx chengshan (shandong) tire co., LTD | | | HAN Jing | Prinx chengshan (shandong) tire co., LTD | | | LI Xiaolin | Prinx chengshan (shandong) tire co., LTD | | | SUN Mingxia | Prinx chengshan (shandong) tire co., LTD | |
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| 中文摘要: |
| 研究3＋8×0.21ST钢丝帘线在全钢轻型载重子午线轮胎胎体中的应用。结果表明：与3×0.24/9×0.225CCHT钢丝帘线相比，3＋8×0.21ST钢丝帘线的直径和线密度小，粘合性能相当，压延及裁断工艺性能良好；以3＋8×0.21ST钢丝帘线替代3×0.24/9×0.225CCHT钢丝帘线用于7.50R16LT全钢轻型载重子午线轮胎胎体中，轮胎的充气外缘尺寸、强度性能、高速性能和耐久性能符合国家标准要求，轮胎的舒适性更好，滚动阻力降低，单胎质量减小，成本降低。 |
| 英文摘要: |
| The application of 3＋8×0.21ST steel cord in the carcass of all-steel lightweight truck and bus radial tire was studied.The results showed that，compared with 3×0.24/9×0.225CCHT steel cord，3＋8×0.21ST steel cord had smaller diameter and cord density，the adhesive performance was equivalent，and the rolling and cutting process performances were good.By using 3＋8×0.21ST steel cord to replace 3×0.24/9×0.225CCHT steel cord in the carcass of 7.50R16LT all-steel lightweight truck and bus radial tire，the inflated peripheral dimention，strength，high-speed performance and durability met the requirements of national standards，the comfortability was better，rolling resistance reduced. |
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