Title:
PRESSURIZING PIN FOR DIE-CASTING FORMATION
Document Type and Number:
Japanese Patent JP2004202512
Kind Code:
A
Abstract:
To provide a pressurizing pin for die casting formation having excellent mechanical characteristic and long service life.
The pressurizing pin 1 for die casting formation is provided with a radical nitriding treatment layer 3 having 50-100 μm thickness on the surface. Desirably, further, a PVD(Physical Vapor Deposition) layer 4 is arranged on the radical nitriding treatment layer 3 and particularly, the PVD layer 4 is composed of AlTiN or CrN having low stickiness on an aluminum alloy. This pressurizing pin 1 for die casting formation has excellent heat resistance, wear resistance, etc., and is prolonged in the service life.
Inventors:
KASHIWABARA YOSHIRO
Application Number:
JP2002372116A
Publication Date:
July 22, 2004
Filing Date:
December 24, 2002
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B22D17/22; B22C9/06; C23C8/38; C23C14/06; (IPC1-7): B22D17/22; B22C9/06; C23C8/38; C23C14/06
Attorney, Agent or Firm:
Calyx
Toshio Nakamura
Miyazaki Yoshio
Tsutomu Kato
Toshio Nakamura
Miyazaki Yoshio
Tsutomu Kato