PRESS FORMING METHOD AND PRESS FORMED PART MANUFACTURING METHOD
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Nov 10, 2022
filing date -
Nov 10, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A press forming method of forming a press formed part including: a top portion having a convex peripheral edge having a whole of or part of an outer peripheral edge curved outward in a convex shape; a side wall portion continuous to the top portion via a punch shoulder R portion; and a flange portion continuous to the side wall portion via a die shoulder R portion, the method includes: (a) forming a metal sheet into a preformed part; and (b) forming the preformed part formed in (a) into the press formed part having a target shape, wherein (a) performs forming such that a bending radius of the die shoulder R portion formed corresponding to at least the convex peripheral edge of the top portion of the preformed part is larger than a bending radius of the die shoulder R portion of the press formed part having the target shape.
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