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Prevailing torque and residual prevailing torque of Bolt-Nut connections having slight pitch difference
Mechanics Based Design of Structures and Machines ( IF 2.9 ) Pub Date : 2020-06-10
Nao-Aki Noda, Xi Liu, Yoshikazu Sano, Kosuke Tateishi, Biao Wang, Yuto Inui, Yasushi Takase

In this study, by applying three-dimensional FEM, the nut screwing process is analyzed to obtain the prevailing torque Tp confirming anti-loosening. Since the nut unscrewing properties after the nut tightening is more important to prevent the nut self-loosening, the nut unscrewing is also analyzed to obtain the residual prevailing torque Tpu newly defined in this process. Both results of Tp and Tpu are in good agreement with the experimental results. With increasing the pitch difference, the residual prevailing torque Tpu increases as well as the prevailing torque Tp.



中文翻译:

螺距稍有差异的螺栓-螺母连接的剩余扭矩和剩余的主流扭矩

在这项研究中,通过应用三维有限元法,对螺母拧紧过程进行了分析,以获得确定抗松动的主要扭矩T p。由于螺母拧紧后的螺母拧松性能对于防止螺母自松松性更为重要,因此还对螺母拧松进行了分析,以获得在此过程中新定义的剩余主要扭矩T p u。的两个结果牛逼p牛逼p ü是与实验结果相吻合。随着螺距差的增加,剩余主要转矩T p u和主要转矩T p都增加

更新日期:2020-06-10
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