Title:
DEVICE AND METHOD FOR AIR QUENCHING OF CASTING
Document Type and Number:
Japanese Patent JP2008038182
Kind Code:
A
Abstract:
To provide an air quenching device for castings and a method therefor with which, in air quenching treatment for large-sized thin castings, a difference in the mechanical properties of one casting is reduced.
The air quenching device where preheated workpieces W each made of a preheated aluminum alloy material are quenched by blowing of air is equipped with a cooling means 100 provided with air discharge ports 22 for discharging air to the workpieces W from a plurality of directions, and cooling the workpieces W while regulating the amount of the air discharged from at least a part of the directions.
Inventors:
OTA SHUNSUKE
OHASHI TAKAYUKI
TSUBOKAWA MASAYOSHI
OHASHI TAKAYUKI
TSUBOKAWA MASAYOSHI
Application Number:
JP2006212050A
Publication Date:
February 21, 2008
Filing Date:
August 03, 2006
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
C22F1/04; B22D29/00; C21D1/00; C22F1/00
Attorney, Agent or Firm:
Masaki Goto
Masahiro Fujii
Yasunari Mita
Masaaki Iida
Masahiro Fujii
Yasunari Mita
Masaaki Iida