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| 3＋9＋15×0.175交互捻钢丝帘线拉伸齐断的研究 |
| Study on Tensile Regular Breaking of 3＋9＋15×0.175 Alternately Twisted Steel Cord |
| Received:September 19, 2019 Revised:September 19, 2019 |
| DOI： |
| 中文关键词: 单丝；拉伸齐断；应力分析 |
| 英文关键词: steel cord；monofilament；tensile regular breaking；stress analysis |
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| 中文摘要: |
| 通过对3＋9＋15×0.175钢丝帘线各层单丝的理论应力进行分析，并对解捻单丝的实际破断力进行测试，分析钢丝帘线拉伸不齐断的原因。结果表明，通过3＋9层使用高破断力单丝，使捻制后3＋9层单丝的破断力与外层15根单丝相近，从而增大了3＋9＋15×0.175钢丝帘线拉伸齐断的几率。 |
| 英文摘要: |
| The theoretical stress of monofilament in 3＋9＋15×0.175 steel cord was analyzed，and the actual breaking force of untwisted monofilament was tested to analyze the cause of irregular breaking of steel cord.The results showed that by using high breaking force test of monofilament for 3＋9 layers，the breaking force of 3＋9 layers monofilament was similar to that of 15 outer layer monofilament after twisting，thus increasing the probability of 3＋9＋15×0.175 steel cord regular breaking. |
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