The paper deals with engraving process of the projectile into the barrel forcing cone in course of ramming. Static model of interaction problem (contact problem) between the projectile driving band and forcing cone are established and solved by using simulation software ANSYS Workbench ver.13.0 with Finite Element Method. Research results as deformations and stress fields, and the reaction forces etc. are shown in form of graphs and charts. Material model of the problem is performed with copper alloy (Cu)material, containing 99.99% Cu. Calculations and simulations are performed on two types of weapons, self-propelled howitzer 152 mm mod 77 (SPH 77) with high explosive projectile (HE), and 125 mm T72 tank cannon with shaped charge penetration projectile (HEAT). Reaction forces of the interaction process have been verified by experiments performing on two above-mentioned system of weapon. The calculation results are compatible with the experimental results with reasonable deviations from 5% at SPH 77 and 7% at T72 tank cannon. Research results are also background to upgrade the state of the art knowledge to the Czech Defense Standard (COS) regarding to ramming device of artillery weapons and tank cannons.


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    Title :

    Interaction between projectile driving band and forcing cone of weapon barrel


    Contributors:


    Publication date :

    2011


    Size :

    6 Seiten, 9 Bilder, 1 Tabelle, 13 Quellen



    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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