JPS57138542A - Electric spark machining device - Google Patents

Electric spark machining device

Info

Publication number
JPS57138542A
JPS57138542A JP1971981A JP1971981A JPS57138542A JP S57138542 A JPS57138542 A JP S57138542A JP 1971981 A JP1971981 A JP 1971981A JP 1971981 A JP1971981 A JP 1971981A JP S57138542 A JPS57138542 A JP S57138542A
Authority
JP
Japan
Prior art keywords
machining
deepest
discriminating circuit
pierced
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1971981A
Other languages
English (en)
Other versions
JPS6224211B2 (ja
Inventor
Shigeo Yamada
Tamio Takawashi
Toshimitsu Sakakibara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1971981A priority Critical patent/JPS57138542A/ja
Priority to US06/347,386 priority patent/US4415791A/en
Priority to DE19823204798 priority patent/DE3204798A1/de
Priority to CH933/82A priority patent/CH657300A5/de
Publication of JPS57138542A publication Critical patent/JPS57138542A/ja
Publication of JPS6224211B2 publication Critical patent/JPS6224211B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/02—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
JP1971981A 1981-02-13 1981-02-13 Electric spark machining device Granted JPS57138542A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1971981A JPS57138542A (en) 1981-02-13 1981-02-13 Electric spark machining device
US06/347,386 US4415791A (en) 1981-02-13 1982-02-09 Breakthrough detection means for electric discharge machining apparatus
DE19823204798 DE3204798A1 (de) 1981-02-13 1982-02-11 Elektrische entladungsbearbeitungseinrichtung
CH933/82A CH657300A5 (de) 1981-02-13 1982-02-15 Funkenerosionsbearbeitungseinrichtung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971981A JPS57138542A (en) 1981-02-13 1981-02-13 Electric spark machining device

Publications (2)

Publication Number Publication Date
JPS57138542A true JPS57138542A (en) 1982-08-26
JPS6224211B2 JPS6224211B2 (ja) 1987-05-27

Family

ID=12007104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971981A Granted JPS57138542A (en) 1981-02-13 1981-02-13 Electric spark machining device

Country Status (1)

Country Link
JP (1) JPS57138542A (ja)

Also Published As

Publication number Publication date
JPS6224211B2 (ja) 1987-05-27

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