Title:
COOLING METHOD FOR INDUCTION HARDENING
Document Type and Number:
Japanese Patent JP2010189746
Kind Code:
A
Abstract:
To provide a cooling method for induction hardening by which a steel member being apt to develop hardening crack is properly induction-hardened while avoiding the occurrence of the hardening crack.
When the steel member as a material to be treated is induction-hardened, the material to be treated is heated to hardening temperature by high frequency induction heating, then the material to be treated is high frequency induction-heated while cooled.
Inventors:
SAWATSUBASHI SEIICHI
MIYASHITA KOICHI
KUBO KEIICHI
MIYASHITA KOICHI
KUBO KEIICHI
Application Number:
JP2009037741A
Publication Date:
September 02, 2010
Filing Date:
February 20, 2009
Export Citation:
Assignee:
DENKI KOGYO CO LTD
International Classes:
C21D1/10; C21D9/30
Domestic Patent References:
| JPS63137125A | 1988-06-09 | |||
| JP2004107685A | 2004-04-08 | |||
| JP2001240914A | 2001-09-04 | |||
| JP2009007677A | 2009-01-15 | |||
| JPH11236619A | 1999-08-31 |
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura
Naomi Yoshida
Ayako Nakamura
Masayuki Okamoto
Fukagawa Eri
Satoshi Morimoto
Kyoko Tsunoda
Takashi Matsuzaki
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura
Naomi Yoshida
Ayako Nakamura
Masayuki Okamoto
Fukagawa Eri
Satoshi Morimoto
Kyoko Tsunoda
Takashi Matsuzaki
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