Title:
PRESS DIE
Document Type and Number:
Japanese Patent JP2011156544
Kind Code:
A
Abstract:
To provide a press die which is free from any defective workpiece release from a die while ensuring high positioning accuracy.
Split faces 31h of a positioning pin 31 are separated from each other and the positioning pin 31 are uniformly expanded by cam mechanisms provided to the bottom part 31f of the positioning pin 31 and a lower die 10, and the positioning part 31c of the positioning pin 31 is tightly attached to the positioning hole 61a of a workpiece 61 to be pressed.
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Inventors:
Hasegawa, Takeshi
Application Number:
JP2010000018319
Publication Date:
August 18, 2011
Filing Date:
January 29, 2010
Export Citation:
Assignee:
AISIN SEIKI CO LTD
International Classes:
B21D43/00; B21D43/04