期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
基于扭矩法和超声法检测螺栓预紧力的误差分析 被引量:4
1
作者 徐春广 栗双怡 +5 位作者 黄院生 徐友 肖定国 李培禄 张祥语 马永江 《电子机械工程》 2023年第2期1-4,共4页
文中分析了螺栓预紧力测量中的扭矩法和超声法的检测精度。基于扭矩法和超声法的检测原理,设计出检测装置,采用这2种方法对同类型紧固螺栓的预紧力进行了测量分析,并根据测量结果,分析了采用扭矩法和超声法测量紧固螺栓预紧力的测量误... 文中分析了螺栓预紧力测量中的扭矩法和超声法的检测精度。基于扭矩法和超声法的检测原理,设计出检测装置,采用这2种方法对同类型紧固螺栓的预紧力进行了测量分析,并根据测量结果,分析了采用扭矩法和超声法测量紧固螺栓预紧力的测量误差。结果表明,在实验室环境下,与扭矩法相比,采用超声法测量螺栓预紧力的误差更小。 展开更多
关键词 螺栓预紧力 扭矩法 超声法 无损检测
下载PDF
Representation of residual stress symbol in the technical product documentation
2
作者 Li Peilu Xu Chunguang +2 位作者 Song Wenyuan Li Shuangyi Ma Pengzhi 《China Standardization》 2021年第3期58-64,共7页
A representation of residual stress graphic symbols in technical product documents is studied.The residual stress state of the product can be annotated in the technical product documents such as design drawings,proces... A representation of residual stress graphic symbols in technical product documents is studied.The residual stress state of the product can be annotated in the technical product documents such as design drawings,process documents,test reports,papers and monographs.The composition of residual stress and the design of basic symbols,measurement method symbols,relief method symbols and state symbols of residual stress,and the representation of annotation for residual stress in documents are introduced.Residual stress symbol can be used in the design,manufacturing,inspection and service for the residual stress state requirements of the products in the mechanical manufacturing industry,as well as in light industry,daily necessities and other related industries. 展开更多
关键词 technical product documentation residual stress SYMBOL ANNOTATION stress measurement stress relief
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部