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PUNCH AND DIE SET FOR PRODUCING DEEP DRAWN SHELLS
PUNCH AND DIE SET FOR PRODUCING DEEP DRAWN SHELLS
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机译:冲模和冲模,用于生产深拉丝壳
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摘要
Wrinkle free deep drawn shells are formed from aluminium foil and other similar materials by employing a tapered die and a punch having a radially compressible elastic or hydropneumatic element at the nose end of the punch, such element having initial dimensions approximately equal to those of the die mouth.
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