Title:
プレス成形用素材の創製方法およびその創製装置
Document Type and Number:
Japanese Patent JP7102976
Kind Code:
B2
Abstract:
To provide a creation method of a raw material for press molding which has plate thickness distribution.SOLUTION: A creation method of a raw material for press molding in which areas having different plate thicknesses in a longer direction are distributed comprises a tensile bending process in which a plate to be pulled out is pushed to one side in a plate thickness direction by a tool which is provided over the full width of a belt-like plate on at least one surface side of the plate, thereby forming an area in which a plate thickness of the plate is decreased. Further, a creation method of a raw material for press molding in which areas having different plate thicknesses in a width direction are distributed comprises a bending and ironing process in which a plate to be pulled out is pushed to one side in a plate thickness direction while being pinched and is bent and ironed by a tool which is so provided on a part within a width of a belt-like plate as to be opposite to both surface sides of the plate, thereby forming an area in which a plate thickness of the plate is decreased.SELECTED DRAWING: Figure 3B
Inventors:
Iwata Satoshi
Takamichi Iwata
Yasuhiro Yogo
Takamichi Iwata
Yasuhiro Yogo
Application Number:
JP2018122564A
Publication Date:
July 20, 2022
Filing Date:
June 28, 2018
Export Citation:
Assignee:
Toyota Central R & D Labs.
International Classes:
B21C37/02; B21D31/00
Domestic Patent References:
| JP62244525A | ||||
| JP3013243A | ||||
| JP2014131812A |
Attorney, Agent or Firm:
Masayuki Morioka
Sansui International Patent Office
Sansui International Patent Office