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| 基于有限元方法的轮胎残余回正力矩的研究 |
| Study on Residual Aligning Torque of Tire Based on Finite Element Method |
| Received:August 04, 2020 Revised:August 04, 2020 |
| DOI：10.12135/j.issn.1006-8171.2021.07.0414 |
| 中文关键词: 轮胎；残余回正力矩；横向花纹沟槽；角度；宽度；深度；带束层帘线角度；有限元仿真 |
| 英文关键词: tire；PRAT；transverse pattern groove；angle；width；depth；belt cord angle；finite element simulation |
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| Author Name | Affiliation | E-mail | | ZHAI Mingrong* | Qingdao Doublestar Tire Industry Co.,Ltd | zmingrong@doublestar.com.cn | | Meng Zhaohong | Qingdao Doublestar Tire Industry Co.,Ltd | | | SONG Meiqin | Qingdao Doublestar Tire Industry Co.,Ltd | | | SHI Caixia | Qingdao Doublestar Tire Industry Co.,Ltd | | | YU Chenglong | Qingdao Doublestar Tire Industry Co.,Ltd | |
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| 中文摘要: |
| 通过有限元仿真的方法研究轮胎残余回正力矩的影响因素。结果表明：增大横向花纹沟槽角度，轮胎残余回正力矩的绝对值增大；横向花纹沟槽角度变化对胎肩花纹块残余回正力矩的影响最大；采用组合花纹块可较大程度地改变残余回正力矩；在其他条件固定的情况下，减小横向花纹沟槽宽度、增加横向花纹沟槽数量或增大横向花纹沟槽深度都可以增大残余回正力矩的绝对值；残余回正力矩的正负与1#带束层帘线角度的正负相反，轮胎的残余回正力矩与带束层帘线角度并非为线性关系。 |
| 英文摘要: |
| The finite element simulation method was used to study the influencing factors of residual aligning torque（PRAT） of tire.The results showed that，the transverse patterngroove angle increased as the absolute value of the PRAT of tire increased；the change of the transverse pattern groove angle had the greatest influence on the PRAT of the shoulder block；the combined block could be used to a greater extent change the PRAT.If other conditions were fixed，reducing the width of the transverse pattern grooves，increasing the number of the transverse pattern grooves or increasing the depth of the transverse pattern grooves could increased the absolute value of the PRAT.The positive and negative of the torque was opposite to the 1# belt cord angle，the PRAT of the tire and the cord angle of the belt were not linear. |
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