METHOD OF DETERMINING WORKPIECE SHAPE, WORKPIECE MOLDED WITH PRESSED ARTICLE, METHOD OF FORMING BY PRESSING, COMPUTER PROGRAM AND RECORDING MEDIUM Russian patent published in 2019 - IPC B21D22/00 

Abstract RU 2682735 C1

FIELD: metallurgy.

SUBSTANCE: inventions of the claimed group relate to the field of metal forming and can be used for manufacturing of vehicle body element in form of sheet with bead on edge section having curved and rectilinear parts. Preliminary determining the shape of the workpiece using a computer program recorded on the recording medium, instructing the computer to perform analysis of molding the formed molded article from the control blank, the defect area evaluation process, process for performing analysis of molding corrected molded articles from corrected workpieces, process of obtaining defect evaluation index during molding for corrected molded article and process of mold shape definition of corrected workpiece.

EFFECT: higher quality due to suppression of board deformation concentration.

16 cl, 11 dwg

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RU 2 682 735 C1

Authors

Yonemura, Shigeru

Yoshida, Tohru

Nitta, Jun

Niwa, Toshiyuki

Dates

2019-03-21Published

2016-03-24Filed