JPS57132930A - Discharge machining device - Google Patents

Discharge machining device

Info

Publication number
JPS57132930A
JPS57132930A JP1971381A JP1971381A JPS57132930A JP S57132930 A JPS57132930 A JP S57132930A JP 1971381 A JP1971381 A JP 1971381A JP 1971381 A JP1971381 A JP 1971381A JP S57132930 A JPS57132930 A JP S57132930A
Authority
JP
Japan
Prior art keywords
machining
electrode
servo voltage
voltage change
change pattern
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
JP1971381A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0138614B2 (enrdf_load_stackoverflow
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 JP1971381A priority Critical patent/JPS57132930A/ja
Priority to US06/347,387 priority patent/US4484051A/en
Priority to DE19823204799 priority patent/DE3204799A1/de
Priority to CH934/82A priority patent/CH656819A5/de
Publication of JPS57132930A publication Critical patent/JPS57132930A/ja
Publication of JPH0138614B2 publication Critical patent/JPH0138614B2/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)
JP1971381A 1981-02-13 1981-02-13 Discharge machining device Granted JPS57132930A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1971381A JPS57132930A (en) 1981-02-13 1981-02-13 Discharge machining device
US06/347,387 US4484051A (en) 1981-02-13 1982-02-09 Breakthrough detection means for electric discharge machining apparatus
DE19823204799 DE3204799A1 (de) 1981-02-13 1982-02-11 Einrichtung fuer elektrische entladungsbearbeitung von werkstuecken
CH934/82A CH656819A5 (de) 1981-02-13 1982-02-15 Funkenerosionsbearbeitungseinrichtung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971381A JPS57132930A (en) 1981-02-13 1981-02-13 Discharge machining device

Publications (2)

Publication Number Publication Date
JPS57132930A true JPS57132930A (en) 1982-08-17
JPH0138614B2 JPH0138614B2 (enrdf_load_stackoverflow) 1989-08-15

Family

ID=12006924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1971381A Granted JPS57132930A (en) 1981-02-13 1981-02-13 Discharge machining device

Country Status (1)

Country Link
JP (1) JPS57132930A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5847351A (en) * 1996-03-04 1998-12-08 Denso Corporation Electrode feeding apparatus for electric-discharge machining
JP2011206896A (ja) * 2010-03-30 2011-10-20 Mitsubishi Electric Corp 細穴放電加工機及び細穴放電加工方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5847351A (en) * 1996-03-04 1998-12-08 Denso Corporation Electrode feeding apparatus for electric-discharge machining
JP2011206896A (ja) * 2010-03-30 2011-10-20 Mitsubishi Electric Corp 細穴放電加工機及び細穴放電加工方法

Also Published As

Publication number Publication date
JPH0138614B2 (enrdf_load_stackoverflow) 1989-08-15

Similar Documents

Publication Publication Date Title
GB1494727A (en) Apparatus for supply and control of dc current
JPS57132930A (en) Discharge machining device
JPS56152525A (en) Electric processing device
JPS5387089A (en) Wire-cut electric discharge machining apparatus
JPS57148201A (en) Detecting device for contact
JPS5548531A (en) Detecting method of electric spark machining condition
JPS5645326A (en) Spark machining device
JPS54156504A (en) Head stain detecting circuit
JPS5449691A (en) Means for detecting the contact between tool and work
JPS57190212A (en) Device for detecting abnormality of measuring device
JPS57151808A (en) Level gauge for rail
JPS57132929A (en) Discharge machining device
JPS5735159A (en) Knock control system
JPS574348A (en) Detection for failure in plastic work
JPS5654120A (en) Amplitude discriminating circuit for magnetic recorder
JPS57148239A (en) Detecting method for wiring pattern of printed circuit board
JPS6423731A (en) Recharger
JPS6439220A (en) Current-limiting breaker
KR930006621Y1 (ko) 와이어 컷 방전 가공기의 아아크방전 억제 제어장치
JPS5543912A (en) Ignition abnormality detector of thyristor converting device
JPS5639828A (en) Short-circuit release device of electrical discharge machine for wire-cut
JPS56119320A (en) Wastage detector for grinding wheel electrode of electrolytic grinding apparatus
JPS5286545A (en) Finish detection system in electronic range
JPS5471498A (en) Electric discharge device
JPS56103969A (en) Abnormality detector for fuse