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A special mechanical modeling and simulation , and certain of its performance

Author: ZhangShaSha
Tutor: WangTao；LiaoZhenQiang
School: Nanjing University of Technology and Engineering
Course: Mechanical Design and Theory
Keywords: Automatic grenade launcher High and low voltage interior ballistics The front shock hair ADAMS Finite Element Analysis
CLC: TJ29
Type: Master's thesis
Year: 2011
Downloads: 40
Quote: 0
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Abstract


This article describes the status of the automatic grenade launcher , and future prospects for the development of the grenade launcher , analyzes the main technical characteristics of the 25mmm automatic grenade launcher , 25mm automatic grenade launcher , two key technologies - high and low emission trajectory hair and before the impact of technology : (1) based on the classic ballistics, weapons , gas dynamics , and high and low pressure emission principle , the establishment of the high and low trajectory , after the validity of the mathematical model of the gas chamber , discussed several important trajectory parameters Internal Ballistic Performance impact for future technology research 25mmm high and low voltage automatic grenade launcher trajectory simulation . (2) Based on the principle of multi-body dynamics , the use of dynamic simulation software ADAMS 25mmm dynamic model of automatic grenade launcher , before the impact of a technology and conventional emission of the transmitter performance obtained using before the impact of technology effectively reduces 25mmm automatic grenade launcher recoil energy role in the human shoulder recoil decreases , less recoil technology research 25mmm automatic grenade launcher to provide theoretical references . In addition, the barrel is part of the main force of the grenade launcher , this article is based on the finite element method, using ANSYS software in the trajectory under the action of high and low pressure within the barrel structure optimization and strength analysis to find the strength , by optimizing the qualified , the smallest , lightest wall thickness of the barrel ; strength analysis obtained barrel of maximum stress , the stress distribution of different cross-section , the stress distribution along the thickness direction and the same section .

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CLC: > Industrial Technology > Arms industry > Firearms > Grenade launchers, grenade launchers
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