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Study of relationship between motion of mechanisms in gas operated weapon and its shock absorber

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The article deals with the motion of the breech block carrier and the weapon casing of an automatic weapon mounted on a flexible carriage and the base of the weapon.Earlier works,which did not consider the dynamic properties of the base of the weapon,did not allow to reconcile the calculated and experimental results of the weapon casing displacement when shooting from firing rests.For the analysis of the motion of individual parts,the methods of mathematical modelling and firing experiments using a high-speed camera were chosen.Calculations show the best accord with experiment when modelling the system with 4 degrees of freedom.The oscillation of the system regarding the movement of the breech block carrier and the weapon casing was investigated under changed conditions of rate of fire,the use of a muzzle brake and different types of shock absorbers.The velocities and displacements of the weapon casing and the breech block carrier at different values of the impulse of the gases to the breech block carrier were determined.

Shock absorberGas-operated weaponForce-impulse diagramRecoil systemBreech block carrier

Jiri Balla、Roman Vitek、Dung Nguyen Van、Zbynek Krist、Hung Nguyen Van

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Department of Weapons and Ammunition,University of Defence Brno,Czech Republic

Department of Design and Special Engineering,Alexander Dubcek University of Trencin,Slovakia

Department of Weapons,Le Quy Don Technical University,Hanoi,Viet Nam

the Research project VAROPS(Military autonomous and robotic assets)of the Ministry of Defence of The Czech Republicthe Ministry of Education,Youth and Sports of The Czech Republic

SV22-201

2024

10.1016/j.dt.2023.12.012

防务技术
中国兵工学会

防务技术

CSTPCD
影响因子：0.358
ISSN：2214-9147
年,卷(期)：2024.33(3)
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