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| 3＋9＋15×0.225ST钢丝帘线在全钢工程机械轮胎中的应用 |
| Application of 3＋9＋15×0.225ST Steel Cord in All-steel Off-The-Road Tire |
| Received:August 18, 2020 Revised:August 20, 2020 |
| DOI： |
| 中文关键词: 钢丝帘线；超高强度；全钢工程机械轮胎；胎体；带束层；耐久性能；成本 |
| 英文关键词: steel cord；super high tenacity；all-steel off-the-road tire；carcass；belt；durability；cost |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | heyue* | Aeolus Tyre Co.,Ltd. | 15139176216@139.com | | zhouyabing | Aeolus Tyre Co.,Ltd. | | | xuelijie | Aeolus Tyre Co.,Ltd. | | | chenyu | Aeolus Tyre Co.,Ltd. | |
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| 中文摘要: |
| 研究3＋9＋15×0.225ST钢丝帘线在全钢工程机械轮胎中的应用。结果表明：与3＋9＋15×0.225HT钢丝帘线相比，3＋9＋15×0.225ST钢丝帘线捻向、捻距、帘线直径、线密度和粘合力基本一致，破断力明显提高，钢丝帘线渗胶性能更好，以其替代3＋9＋15×0.225HT钢丝帘线用于全钢工程机械轮胎胎体，工艺性能良好，帘布质量减小；与7×7×0.22＋0.15HT钢丝帘线相比，3＋9＋15×0.225ST钢丝帘线单位直径破断力和单位线密度破断力提高，钢丝帘线渗胶性能更好，以其替代7×7×0.22＋0.15HT钢丝帘线用于全钢工程机械轮胎带束层，压延和成型工艺性能良好。在部分小规格全钢工程机械轮胎的胎体和带束层中使用3＋9＋15×0.225ST钢丝帘线后，轮胎承载能力满足要求，轮胎耐久性能提升，同时由于减小了帘布压延厚度和质量可以节约生产成本。 |
| 英文摘要: |
| The application of 3＋9＋15×0.225ST steel cord in all-steel off-the-road tire was studied. The results showed that，compared with 3＋9＋15×0.225HT steel cord，3＋9＋15×0.225ST steel cord had basically the same twist direction，twist length，cord diameter，linear density and adhesive force，the breaking force was significantly improved，and the compound penetration of steel cord was better.Using 3＋9＋15×0.225ST steel cord to replace 3＋9＋15×0.225HT steel cord in the carcass of all-steel off-the-road tire，the process performance was good，and the cord mass was small.Compared with 7×7×0.22＋0.15HT steel cord，the breaking force per unit diameter and per linear density of 3＋9＋15×0.225ST steel cord was improved，and the compound penetration of the steel cord was better.Using 3＋9＋15×0.225ST steel cord to replace the 7×7×0.22＋0.15HT steel cord in the belt of all-steel off-the-road tire，the calender and building process performance were good.Using 3＋9＋15×0.225ST steel cords for the carcass and belt of some small-sized all-steel off-the-road tires，the finished tire met the requirements of load-bearing capacity，the durability of the tire was improved，and the production costs was reduced due to smaller calender cord thicker and cord mass. |
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