Method of manufacturing press mold for mass-producing hot stamping cold trim and press mold for mass-producing hot stamping cold trim manufactured using the same
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United States of America Patent
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Apr 12, 2016
Grant Date -
Jan 1, 2015
app pub date -
Nov 7, 2013
filing date -
Jun 26, 2013
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Abstract
A method of manufacturing a press mold for mass-producing a hot stamping cold trim includes bonding first and second steel bodies made of different materials to form a single body mold material, polishing a bottom surface and one edge surface of the mold material with processing margins, processing edge surfaces other than the one edge surface on which a bonding part is positioned, processing reference holes for guide pins and a reference surface, forming bolt holes penetrating through the reference surface and the bottom surface, processing a surface of the first steel body in a predetermined shape, heat-treating the mold material, and polishing the bottom surface and the one edge surface having the processing margins at desired accurate dimensions and wire-processing the one edge surface with the processing margin to configure a front end part having the desired accurate dimension.
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