Title:
【発明の名称】ディンプルコア超塑性成形用型装置
Document Type and Number:
Japanese Patent JP2703095
Kind Code:
B2
Abstract:
PURPOSE:To eliminate the need of finishing and to shorten the work time by dividing the die assembly into a male die in which the part in which the part projected from the reference surface is formed is formed, and a female die which contains the reference surface and in which the part recessed from the reference surface is formed, and fitting them, respectively. CONSTITUTION:In the case of using a forming die 4, a projecting part 2a of a male die 2 is fitted into a recessed part 3a of a female die 3, a surface shape of the forming die 4 is formed by the surface of the male die 2, the reference surface 1 of the female die 3, and the recessed surface of the female die 3, and forming of a dimple sheet is executed. In such a way, the the forming die 4 is divided into the male die 2 and the female die 3, lathe turning is applied to the male die 2, forming tool drilling is applied to the female die 3 after sealing of the reference surface 1, therefore, finishing becomes unnecessary, and the work time can be decreased to half.
Inventors:
Akio Takahashi
Shoji Shimizu
Shoji Shimizu
Application Number:
JP9493990A
Publication Date:
January 26, 1998
Filing Date:
April 12, 1990
Export Citation:
Assignee:
MITSUBISHI HEAVY INDUSTRIES,LTD.
International Classes:
B21D26/021; B21D26/031; B21D37/02; B21D47/00; (IPC1-7): B21D26/02; B21D37/02; B21D47/00
Attorney, Agent or Firm:
Ishikawa Arata