Title:
PRESS-MOLDING METAL MOLD
Document Type and Number:
Japanese Patent JP2016175087
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a press-molding method and a press-molding metal mold for restraining the occurrence of wrinkles in a vertical wall part of a press-molding product having the vertical wall part having no flange part and curving in a convex shape in a plan view toward the outside in the longitudinal direction, in the present invention.SOLUTION: The present invention is a press-molding method for form-molding a press-molding product 11 of curving the whole or a part of a vertical wall part 15 in a convex shape in a plan view toward the outside of the press-molding product 11 by a die 9 and a punch 5, by having at least a top plate part 13 and the vertical wall part 15 of continuing with the top plate part 13 via a connection part 14, and molds the vertical wall part 15 in a state of not restricting except for contact, by always contacting a tip part of a blank material 3 with a vertical wall molding part 9a of the die 9.SELECTED DRAWING: Figure 1
Inventors:
AGEBA RYO
ISHIWATARI AKINOBU
HIRAMOTO JIRO
ISHIWATARI AKINOBU
HIRAMOTO JIRO
Application Number:
JP2015054952A
Publication Date:
October 06, 2016
Filing Date:
March 18, 2015
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
B21D19/08
Attorney, Agent or Firm:
Toshihiko Ishikawa
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