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Title:
ELECTRIC DISCHARGE MACHINING METHOD
Document Type and Number:
WIPO Patent Application WO/2005/018858
Kind Code:
A1
Abstract:
An electric discharge machining method for forming a tilted deformed small hole (20) by slotting it from the surface (1a) of a work (1), comprising a positioning and holding step for diagonally holding the work (1) so that one inner surface of the target machined shape of the deformed small hole (20) is positioned parallel with a Z-axis and a machining step for making an electrode (5) slot into the work (1) by a specified amount in the Z-direction, moving the electrode (5) along the outline of the target machined shape in an XY plane, and slotting the deformed small hole by repeating these operations.

Inventors:
IMAGI AKIHIKO (JP)
SENDAI TOMOKO (JP)
GOTO AKIHIRO (JP)
SUZUKI SATOSHI (JP)
ISHI KUNIYOSHI (JP)
YOKOI IWAO (JP)
OKANE MASAHIRO (JP)
YAHAGI HIROYUKI (JP)
WATANABE MITSUTOSHI (JP)
HIROKAWA YOSHIO (JP)
SAEKI NOBUYUKI (JP)
Application Number:
PCT/JP2004/012195
Publication Date:
March 03, 2005
Filing Date:
August 25, 2004
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
ISHIKAWAJIMA HARIMA HEAVY IND (JP)
IMAGI AKIHIKO (JP)
SENDAI TOMOKO (JP)
GOTO AKIHIRO (JP)
SUZUKI SATOSHI (JP)
ISHI KUNIYOSHI (JP)
YOKOI IWAO (JP)
OKANE MASAHIRO (JP)
YAHAGI HIROYUKI (JP)
WATANABE MITSUTOSHI (JP)
HIROKAWA YOSHIO (JP)
SAEKI NOBUYUKI (JP)
International Classes:
B23H1/00; B23H7/26; B23H7/28; B23H9/10; B23H9/14; (IPC1-7): B23H1/00
Foreign References:
JPH08132263A1996-05-28
JP2003129971A2003-05-08
JPS57173423A1982-10-25
JPH09108945A1997-04-28
JPS5754026A1982-03-31
JPH08300223A1996-11-19
Attorney, Agent or Firm:
Sakai, Hiroaki (Kasumigaseki Building 2-5, Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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