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Updated: Sep 3, 2025

Research and Development of High-performance Explosives
Published on: February 20, 2016
Simulation and Test of a MEMS Arming Device for a Fuze
Yu Qin1, Yanbai Shen1, Xiannan Zou2
1School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China.
Abstract:
To solve the structural strength problem of a MEMS arming device for a fuze, a kind of arming device applied to a certain type of 40 mm grenade is designed. This paper introduces the working principle of the arming device; simulates the shear pin, rotary pin and locking mechanism in the device; designs a variety of different test tools for test verification; and further increases the explosion reliability and arming safety tests. The results show that the arming device improves the structural strength and can meet the action requirements of a certain type of 40 mm grenade for safety release, as well as the application requirements of explosion reliability and arming safety.
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