Birch, Stewart, Kolasch & Birch, LLP
Line displacement evaluation method, line displacement evaluation device, program, and recording medium
Provided is a line displacement evaluation method of evaluating line displacement occurring in a press-formed article in press forming of forming a character line. This method includes acquiring a cross section profile of the press-formed article measured so as to traverse the character line formed in the press-formed article; calculating a 4th order differential coefficient of the acquired cross section profile; and evaluating the line displacement, on the basis of the calculated 4th order differential coefficient of the cross section profile.
NIPPON STEEL CORPORATION
B G B G G G G B
B21D G01B B21D G06T G01N G01N G01B B21D
inventional inventional inventional inventional additional additional inventional inventional
Tohru Masahiro
Yoshida Saito