Title:
凹状エンボス部を有する自動車外板パネルの製造方法およびプレス成形装置
Document Type and Number:
Japanese Patent JP7069998
Kind Code:
B2
Abstract:
To stably restrict formation of surface strain around a concave embossment, while suppressing costs, in manufacturing an automobile outer plate panel having a concave embossment, and thereby solve the problem of prior art that it has been difficult to stably restrict surface strain of an automobile outer plate panel having a concave embossment, such as a door outer panel having a concave embossment, while suppressing costs.SOLUTION: In manufacturing an automobile outer plate panel having a concave embossment, the concave embossment is formed by varying press speed during press molding of the concave embossment.SELECTED DRAWING: Figure 2
Inventors:
Eiji Isogai
Masahiro Nakata
Yutaka Crescent
Masahiro Nakata
Yutaka Crescent
Application Number:
JP2018075883A
Publication Date:
May 18, 2022
Filing Date:
April 11, 2018
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21D22/02; B21D47/00; B30B12/00; B30B15/14
Domestic Patent References:
| JP2012081508A | ||||
| JP2016221536A |
Attorney, Agent or Firm:
Koji Hagiwara
Kanemoto Tetsuo
Kanemoto Tetsuo