Design of High-Reliability Micro Safety and Arming Devices for a Small Caliber Projectile

被引:26
|
作者
Wang, Dakui [1 ]
Lou, Wenzhong [1 ]
Feng, Yue [1 ]
Zhang, Xinzhao [1 ]
机构
[1] Beijing Inst Technol, Sch Mech Elect Engn, Natl Key Lab Electromech Engn & Control, Beijing 100081, Peoples R China
来源
MICROMACHINES | 2017年 / 8卷 / 08期
关键词
micro S & A device; centrifugal insurance mechanism; small caliber projectile platform; theoretical; simulation and experimental methods;
D O I
10.3390/mi8080234
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
With the development of micro technology, the fuse for small-caliber projectiles tends to be miniaturized and intelligent, the traditional fuse no longer meets the requirements. In this paper, we demonstrate a micro safety and arming (S & A) device with small volume and high reliability in small caliber projectile platforms. The working principle of S & A devices is that a centrifugal insurance mechanism could deform under a centrifugal load and thus cause fuse safety arming. The centrifugal insurance mechanism is designed theoretically, verified by simulation and experimental methods. The experimental results show that, when the rotary speed is over 36,000 rpm, the fuse was armed safely. In addition, the experimental, simulation, and theoretical results are basically consistent, and indicate that the centrifugal insurance mechanism meets the expected criteria.
引用
收藏
页数:10
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