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Analysis on Cupping Process of Cartridge Case without Heat Teatment Based on DEFORM-3D
Abstract:
To reduce the forming process of cartridge case, increase productivity and reduce production cost, this paper has analysed whether heat treatment is needed after cupping process of cartridge case by using DEFORM-3D software. Through comparing numerical simulation results of forming cartridge case after cupping process without heat treatment and with heat treatment, we obtain that large differences exist between them in forming effect and metal flow liquidity. Therefore, its inadvisable for cartridge case to go on the next process without heat treatment directly. The research method of this paper can effectively simulate the forming process of cartridge case. The improvement proposed for cartridge case forming can become a novel idea, and it also can provide a reference for future researchers.
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573-576
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Online since:
April 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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