Title:
PRESS-FORMED PRODUCT MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2024/047933
Kind Code:
A1
Abstract:
This press-formed product manufacturing method includes: a reference press-formed product shape acquisition step for acquiring a reference press-formed product shape 5; a corrugated blank press-formed product shape acquisition step for acquiring a corrugated blank press-formed product shape 9; a first deviation amount acquisition step for obtaining a deviation amount between the reference press-formed product shape 5 and the corrugated blank press-formed product shape 9; a period-shifted corrugated blank press-formed product shape acquisition step for acquiring a period-shifted corrugated blank press-formed product shape 13; a second deviation amount acquisition step for obtaining a deviation amount between the reference press-formed product shape 5 and the period-shifted corrugated blank press-formed product shape 13; a countermeasure-requiring site identification step for identifying a countermeasure-requiring site; a convex pattern imparting step for imparting a convex pattern 23, 27 to an actual mold; and an actual press-forming step for performing press-forming using the actual mold to which the convex pattern 23, 27 has been imparted.
Inventors:
IIZUKA EIJI (JP)
Application Number:
PCT/JP2023/015563
Publication Date:
March 07, 2024
Filing Date:
April 19, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21D22/00; G06F30/20; G06F113/22
Domestic Patent References:
| WO2020149381A1 | 2020-07-23 |
Foreign References:
| JP2017177150A | 2017-10-05 | |||
| JP2005081417A | 2005-03-31 | |||
| JPS6247504A | 1987-03-02 | |||
| JP2019002834A | 2019-01-10 | |||
| JP2020127959A | 2020-08-27 | |||
| JPH0377728A | 1991-04-03 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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