Title:
PRESS FORMING METHOD AND METHOD OF MANUFACTURING PRESS-FORMED COMPONENT
Document Type and Number:
WIPO Patent Application WO/2017/010470
Kind Code:
A1
Abstract:
[Problem] To improve a press-forming yield by suppressing the generation of cracks when drawing a complex-shaped component from a high-strength metal sheet.
[Solution] This press-forming method is characterized in that a prior-step press-formed product shape is set from a mid-development shape obtained during the development of the final component shape of a press-formed component having a drawn shape, and in that the press-formed product in the prior step is press-formed to the prior-step press-formed product shape that has been set.
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Inventors:
FUTATSUKA TAKAYUKI (JP)
SHINMIYA TOYOHISA (JP)
IIZUKA EIJI (JP)
SATO KENTARO (JP)
SHINMIYA TOYOHISA (JP)
IIZUKA EIJI (JP)
SATO KENTARO (JP)
Application Number:
PCT/JP2016/070495
Publication Date:
January 19, 2017
Filing Date:
July 12, 2016
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21D22/26; B21D22/02
Domestic Patent References:
| WO2014106932A1 | 2014-07-10 |
Foreign References:
| JP2011206789A | 2011-10-20 | |||
| JP5614514B2 | 2014-10-29 | |||
| JPS55106524U | 1980-07-25 | |||
| JP2014520961A | 2014-08-25 |
Attorney, Agent or Firm:
GINZA MARONIE P.C. (JP)
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