PRESS FORMING ANALYSIS METHOD AND DEVICE, PRESS FORMING ANALYSIS PROGRAM, AND PRESS-FORMED PRODUCT MANUFACTURING METHOD

Title:

PRESS FORMING ANALYSIS METHOD AND DEVICE, PRESS FORMING ANALYSIS PROGRAM, AND PRESS-FORMED PRODUCT MANUFACTURING METHOD

Document Type and Number:

WIPO Patent Application WO/2024/079939

Kind Code:

A1

Abstract:

A press forming analysis method according to the present invention includes: a die model creation step (S1) for creating a die model having a virtual thickness using two-dimensional elements, and setting the boundary conditions of the two-dimensional elements so that the parts of the die model that correspond to the ribs of the real die are rigid and the parts that do not correspond to the ribs are non-rigid; and a press forming load acquisition step (S3) for performing press forming analysis using the die model created in the die model creation step (S1) to acquire the press forming load.

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Inventors:

KISHIGAMI YASUHIRO (JP)

Application Number:

PCT/JP2023/022068

Publication Date:

April 18, 2024

Filing Date:

June 14, 2023

Export Citation:

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Assignee:

JFE STEEL CORP (JP)

International Classes:

G06F30/23; B21D22/00; G06F113/22

Domestic Patent References:

WO2016017775A1

2016-02-04

Foreign References:

JP2019175105A	2019-10-10
JP2002219523A	2002-08-06

Attorney, Agent or Firm:

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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