Hybrid forming method and corresponding forming device
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United States of America Patent
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Feb 13, 2024
Grant Date -
N/A
app pub date -
Feb 11, 2020
filing date -
Feb 13, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A hybrid method for forming a material blank includes placing a material blank to be deformed between a die and a blank-holder. The material blank is deformed by stamping using at least one punch in order to obtain a pre-stamped material blank. A cavity, wherein, on one hand, the at least one punch having pre-stamped the material blank and, on the other, at least one pair of electrodes are located, is filled with liquid. The pre-stamped material blank is placed in contact with the liquid of the cavity, and at least one electrical discharge is generated between the at least one pair of electrodes in such a way as to deform the pre-stamped material blank against the die.
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