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Patent Searching and Data


Title:
PRESS-FORMED ARTICLE MANUFACTURING METHOD, AND PRESS LINE
Document Type and Number:
WIPO Patent Application WO/2020/149381
Kind Code:
A1
Abstract:
This press-formed article manufacturing method includes: individually acquiring the warpage of each sheet material to be pressed; and press-forming each sheet material into a press-formed article using a die 6, a punch 7, and a movable mold 9. In said press-forming, the initial position of the movable mold 9 with respect to the die 6 or the punch 7 is controlled on the basis of the warpage of the sheet material.

Inventors:
NISHIMURA RYUICHI (JP)
SUZUKI TOSHIYA (JP)
Application Number:
PCT/JP2020/001371
Publication Date:
July 23, 2020
Filing Date:
January 16, 2020
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B21C51/00; B21D22/20; B21D22/26; B21D24/00; B21D43/00
Domestic Patent References:
WO2005044481A12005-05-19
Foreign References:
JP2013104616A2013-05-30
JP2012166232A2012-09-06
JP6179696B12017-08-16
Other References:
See also references of EP 3912743A4
Attorney, Agent or Firm:
UEBA, Hidetoshi et al. (JP)
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