Title:
WARM PRESS FORMING METHOD FOR METAL PLATE
Document Type and Number:
Japanese Patent JP2013013907
Kind Code:
A
Abstract:
To provide a warm press forming method for a metal plate capable of suppressing fracture of the metal plate when the metal plate (particularly, high strength metal plate) is subjected to warm press forming.
A die (punch 14) is heated and its temperature is controlled so that the difference of the temperature of a metal plate 1 from that of the die (punch 14) is 200°C or less when press forming is started.
Inventors:
MINOTE TORU
IIZUKA EIJI
IIZUKA EIJI
Application Number:
JP2011146917A
Publication Date:
January 24, 2013
Filing Date:
July 01, 2011
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
B21D22/20; B21D24/00; B21D37/16
Domestic Patent References:
JP2003048026A | 2003-02-18 | |||
JP2005186076A | 2005-07-14 | |||
JP2002143935A | 2002-05-21 |
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori