Impact Resistance and Load Bearing of MJ Thread
Received:October 19, 2012  Revised:March 01, 2013
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KeyWord:thread form of arc end  metric system  dynamic load  fatigue resistance
                 
AuthorInstitution
QIAO Qi-guang North Electro-optic Co.,Ltd. of China Ordnance Industry Group,Xi’an,China
QIAO Zheng-yang No.59Research Institute of China Ordnance Industry,Chongqing,China
QUAN Ge North Electro-optic Co.,Ltd. of China Ordnance Industry Group,Xi’an,China
REN Lian-ju North Electro-optic Co.,Ltd. of China Ordnance Industry Group,Xi’an,China
KOU Juan-li North Electro-optic Co.,Ltd. of China Ordnance Industry Group,Xi’an,China
DENG Li-yang No.59Research Institute of China Ordnance Industry,Chongqing,China
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Abstract:
      The application and origin of standard of metric thread of aeronautics and astronautics (MJ) were introduced. The thread form and features of MJ were elaborated. The similarities and differences between UNJ, the metric system common thread (M) and MJ were analyzed, especially the impact resistance and load bearing. The purposes were to provide reference for understanding and application of MJ, and make it easy to understand and distinguish the standard of the similar threads for designers and standard users.
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