Title:
プレス部品の成形方法、プレス部品の製造方法およびプレス部品の成形用金型
Document Type and Number:
Japanese Patent JP5570081
Kind Code:
B2
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.
Inventors:
Spring water Account of a male
Application Number:
JP2012104190A
Publication Date:
August 13, 2014
Filing Date:
April 27, 2012
Export Citation:
Assignee:
F. C. C., Inc.
International Classes:
B21D22/30; B21D22/28; B21D28/24
Attorney, Agent or Firm:
居藤 Hiroyuki