EJONS INTERNATIONAL JOURNAL ON MATHEMATICS, ENGINEERING & NATURAL SCIENCES ISSN 2602 - 4136

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INVESTIGATION OF FATIGUE LIFE OF NEW DESIGNED GATLING GUN STRIKER
(INVESTIGATION OF FATIGUE LIFE OF NEW DESIGNED GATLING GUN STRIKER )

Author : İbrahim Halil GÜZELBEY  Edip ÖZTÜRK, Mehmet Hanifi DOĞRU  
Type :
Printing Year : 2018
Number : 2
Page :
Cite : İbrahim Halil GÜZELBEY Edip ÖZTÜRK, Mehmet Hanifi DOĞRU, (2018). INVESTIGATION OF FATIGUE LIFE OF NEW DESIGNED GATLING GUN STRIKER. EJONS INTERNATIONAL JOURNAL ON MATHEMATICS, ENGINEERING - NATURAL SCIENCES, 2, p. . Doi: .
    


Summary


Keywords


Abstract

Gatling gun is an old war machine that has multiple barrels. These barrels rotate around a central axis and placed on a kind of drum. Since every barrel used for shooting only once per revolution of drum, every single barrel has enough time for cooling off. This cooling operation ensures that time for recycling for barrels can be shorter. A modern Gatling gun has a firing capacity nearly 2000 bullets per minute. This means every barrel and firing mechanism located inside drum are used 670 times per minute. When the working speed of barrel is considered, it is seen that the fatigue life becomes an important issue for every part of this type of gun. Striker is the most critical part of Gatling gun firing mechanism,as every weapon. A striker is used applying force to primer of bullet to ignite propellant. Striker shape is as important as recycling time in terms of bullet primer-striker interaction. Hence, in this study, new designed Gatling gun striker is investigated in terms of fatigue life.Three different striker geometries, which are flat, spherical and chamfered, is used to perform the study. Numerical simulation of the study is fulfilled using ANSYS-Workbench, which is finite element program. Static structural analysis is chosen for analysis system to perform numerical study.Structural steel is assigned for the striker material. Firing load is applied the tip of striker as 100 N. At the end of the study, fatigue life, deformation, and stress values on the Gatling gun striker is obtained.



Keywords
Gatling gun, striker, structural analysis, fatigue life, deformation.

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