Method of forming a press-formed component and a die apparatus for forming a press-formed component
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United States of America Patent
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May 15, 2018
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N/A
app pub date -
Mar 27, 2013
filing date -
Apr 27, 2012
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Abstract
A die apparatus for forming a press-formed component includes a piercing die, a piercing punch, and a support. The piercing die includes a tubular first forming portion for forming a boss portion and a second forming portion having a cutting edge and an inwardly extending portion. The second forming portion is adapted to perform pressing of a preform while cutting a portion thereof. A cutting edge which cooperates with the cutting edge of the second forming portion is formed at a distal end of the piercing punch. When forming a press-formed component, a projection end portion of a preform formed from a blank by drawing is cut and removed by the two cutting edges, and a preform boss portion is then pressed and swaged by the inwardly extending portion.
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