Title:
FORGED WHEEL MADE OF LIGHT ALLOY AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2009274135
Kind Code:
A
Abstract:
To reduce the press pressure of a wheel made by forging and to improve a forging ratio.
In a process where a billet for forging made of a light alloy or a billet beforehand forged and formed into a prescribed shape as the raw material is pressed by at least a pair of dies installed in a press machine, and the disk part of a wheel for a vehicle is integrally formed by hot forging, the forging/forming is performed to a disk part containing a hub part and a spoke part composing a design pattern or including a rim spare member part thereto, and at least 80% of the raw material composing the spoke part is forged at a forging ratio of 4.
Inventors:
ONO KOTARO
MOCHIKAWA SHOJI
MOCHIKAWA SHOJI
Application Number:
JP2008204722A
Publication Date:
November 26, 2009
Filing Date:
August 07, 2008
Export Citation:
Assignee:
WASHI KOSAN KK
International Classes:
B21K1/34; B21J5/00; B60B3/02
Domestic Patent References:
JPH0673482A | 1994-03-15 | |||
JPH08323445A | 1996-12-10 | |||
JPH09249951A | 1997-09-22 | |||
JPS60127040A | 1985-07-06 | |||
JPS443475B1 |
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