文章摘要
六角端面螺栓扭矩系数的理论计算
Theoretical calculation of torque coefficient for hexagon head bolt with hexagon end
投稿时间:2019-11-25  修订日期:2020-01-02
DOI:
中文关键词: 六角头螺栓  六角端面螺栓  理论计算  扭矩系数  
英文关键词: Hexagon head bolt  Hexagon head bolt with hexagon end  Theoretical calculation  Torque coefficient  
基金项目:国家自然科学基金资助项目(11772188);国家标准计划项目 (20180762-T-605)
作者单位E-mail
刘盛循 上海交通大学 13230103053029@sjtu.edu.cn 
余征跃 上海交通大学 yuzy@sjtu.edu.cn 
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中文摘要:
      本文通过受力分析,建立了六角端面螺栓的力学模型。利用圆环端面扭矩的计算公式,推导出六角端面螺栓预紧力与扭拒的关系,并给出扭矩系数的精确计算公式。然后采用拧紧试验机对不同尺寸螺栓的扭矩系数进行实验测量,将理论结果与实测结果相比较。结果表明,理论结果与实验结果相吻合。
英文摘要:
      In this paper, the mechanical model of hexagon head bolt with hexagon end was established by force analysis. Using the calculation formula of torsional torque with circular end, the relationship between pre-tightening force and torque of hexagon head bolt with hexagon end was deduce, and the exact calculation formula of torque coefficient was given. Then the torque coefficients of bolts with different sizes were measured by tightening testing machine and the theoretical results were compared with the measured results. The results show the theoretical results are consistent with the experimental results.
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