JPS5344994A - Electric discharge apparatus - Google Patents

Electric discharge apparatus

Info

Publication number
JPS5344994A
JPS5344994A JP11955876A JP11955876A JPS5344994A JP S5344994 A JPS5344994 A JP S5344994A JP 11955876 A JP11955876 A JP 11955876A JP 11955876 A JP11955876 A JP 11955876A JP S5344994 A JPS5344994 A JP S5344994A
Authority
JP
Japan
Prior art keywords
electric discharge
discharge apparatus
machining
switching element
control
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.)
Pending
Application number
JP11955876A
Other languages
Japanese (ja)
Inventor
Kiyoshi Inoue
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.)
Inoue Japax Research Inc
Original Assignee
Inoue Japax Research Inc
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 Inoue Japax Research Inc filed Critical Inoue Japax Research Inc
Priority to JP11955876A priority Critical patent/JPS5344994A/en
Publication of JPS5344994A publication Critical patent/JPS5344994A/en
Pending 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
    • B23H1/024—Detection of, and response to, abnormal gap conditions, e.g. short circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

PURPOSE:To prevent generation of abnormal discharge such as arc accurately through the control of a switching element for applying machining pulses detecting resistance of the machining gap.
JP11955876A 1976-10-04 1976-10-04 Electric discharge apparatus Pending JPS5344994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11955876A JPS5344994A (en) 1976-10-04 1976-10-04 Electric discharge apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11955876A JPS5344994A (en) 1976-10-04 1976-10-04 Electric discharge apparatus

Publications (1)

Publication Number Publication Date
JPS5344994A true JPS5344994A (en) 1978-04-22

Family

ID=14764282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11955876A Pending JPS5344994A (en) 1976-10-04 1976-10-04 Electric discharge apparatus

Country Status (1)

Country Link
JP (1) JPS5344994A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188261A (en) * 1985-02-15 1986-08-21 Rizumu Jidosha Buhin Seizo Kk Brake hydraulic control valve
JPH01136855A (en) * 1987-11-20 1989-05-30 Nissin Kogyo Kk Control device for braking oil pressure of vehicle
JPH01136856A (en) * 1987-11-20 1989-05-30 Nissin Kogyo Kk Control device for braking oil pressure of vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61188261A (en) * 1985-02-15 1986-08-21 Rizumu Jidosha Buhin Seizo Kk Brake hydraulic control valve
JPH01136855A (en) * 1987-11-20 1989-05-30 Nissin Kogyo Kk Control device for braking oil pressure of vehicle
JPH01136856A (en) * 1987-11-20 1989-05-30 Nissin Kogyo Kk Control device for braking oil pressure of vehicle

Similar Documents

Publication Publication Date Title
PL195269A1 (en) DEVICE FOR HARDFACING BY PLASMA ARC WELDING
JPS51133742A (en) Fault current interruption device
AU507464B2 (en) Current unit for arc welding
ZA765613B (en) Device for changing electrodes,for an installation for resmelting under slag
JPS5272438A (en) Current monitoring device for current path
JPS5344994A (en) Electric discharge apparatus
GB1552668A (en) Power supply apparatus for a spark erosion arc welding machine or the like
AU8431575A (en) Control electrode for high voltage switching apparatus
JPS5368496A (en) Apparatus for wire cutting electric discharge machining
JPS5261897A (en) Wire cut electric spark machine
JPS51120497A (en) Gas controlling apparatus in an eletric discharge machining
JPS5344993A (en) Servo equipment for electric machining
JPS51133749A (en) Discharge gap means
JPS5216197A (en) Electro chromic indicator and a clock with it
JPS53141047A (en) Generating method for bias voltage of discharger
JPS5252299A (en) Electrosparkl machining device
JPS51143816A (en) Constant current power supply apparatus for pulse motor
JPS52112138A (en) High frequency heater
JPS547384A (en) Detecting method of partial discharge position
JPS5351599A (en) Servo apparatus for electrical machining
JPS544253A (en) Electrolytic apparatus
JPS5387091A (en) Control method for electric discharge machining
AU502742B2 (en) Electrode erosion control
JPS51115726A (en) Electric source supplying apparatus of a television
JPS54147592A (en) Optimum control device for electric discharge machine