WO1987007860A1 - Discharge machining controller - Google Patents

Discharge machining controller Download PDF

Info

Publication number
WO1987007860A1
WO1987007860A1 PCT/JP1987/000394 JP8700394W WO8707860A1 WO 1987007860 A1 WO1987007860 A1 WO 1987007860A1 JP 8700394 W JP8700394 W JP 8700394W WO 8707860 A1 WO8707860 A1 WO 8707860A1
Authority
WO
WIPO (PCT)
Prior art keywords
machining
discharge
work
leakage current
values
Prior art date
Application number
PCT/JP1987/000394
Other languages
English (en)
French (fr)
Inventor
Haruki Obara
Original Assignee
Fanuc Ltd
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 Fanuc Ltd filed Critical Fanuc Ltd
Priority to DE8787904094T priority Critical patent/DE3777145D1/de
Publication of WO1987007860A1 publication Critical patent/WO1987007860A1/ja

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
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting
    • B23H7/04—Apparatus for supplying current to working gap; Electric circuits specially adapted therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
PCT/JP1987/000394 1986-06-18 1987-06-17 Discharge machining controller WO1987007860A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8787904094T DE3777145D1 (de) 1986-06-18 1987-06-17 Regelvorrichtung einer funkenerosionsmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61140339A JPS632612A (ja) 1986-06-18 1986-06-18 放電加工制御装置
JP61/140339 1986-06-18

Publications (1)

Publication Number Publication Date
WO1987007860A1 true WO1987007860A1 (en) 1987-12-30

Family

ID=15266529

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1987/000394 WO1987007860A1 (en) 1986-06-18 1987-06-17 Discharge machining controller

Country Status (5)

Country Link
US (1) US4833289A (ja)
EP (1) EP0276314B1 (ja)
JP (1) JPS632612A (ja)
DE (1) DE3777145D1 (ja)
WO (1) WO1987007860A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2536223B2 (ja) * 1990-03-28 1996-09-18 三菱電機株式会社 接触検出装置
US5399825A (en) * 1991-03-01 1995-03-21 Creare, Inc. Inductor-charged electric discharge machining power supply
JPH05337738A (ja) * 1992-06-04 1993-12-21 Fanuc Ltd ワイヤ電極とワーク間の絶縁状態検出装置
JP3950844B2 (ja) * 2003-12-01 2007-08-01 ファナック株式会社 放電加工機
DE112011104971B4 (de) * 2011-04-12 2022-05-25 Mitsubishi Electric Corporation Stromversorgungsvorrichtung für elektroerosionsapparat undelektroerosionsverfahren

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58223523A (ja) * 1982-06-14 1983-12-26 Mitsubishi Electric Corp 放電加工電源装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916138A (en) * 1964-02-25 1975-10-28 Charmilles Sa Ateliers Apparatus for machining through varying-frequency constant-duration pulse-controlled electric discharges
US3755645A (en) * 1972-04-21 1973-08-28 Cincinnati Milacron Inc Maximum average gap voltage control for edm power supply
JPS4933837A (ja) * 1972-07-31 1974-03-28
US3973104A (en) * 1972-08-17 1976-08-03 A.G. Fur Industrielle Elektronik Agie Losone B. Locarno Apparatus for regulating an electric discharge machining gap
JPS5689434A (en) * 1979-12-22 1981-07-20 Fanuc Ltd Power source to wire-cut electric discharge machining
JPS5993227A (ja) * 1982-11-15 1984-05-29 Fanuc Ltd 放電加工制御回路
JPS60135127A (ja) * 1983-12-23 1985-07-18 Fanuc Ltd 放電加工機の位置出し用電源装置
JPS60161029A (ja) * 1984-02-01 1985-08-22 Nec Corp 放電間隙検出回路
JPS6150714A (ja) * 1984-08-21 1986-03-13 Inoue Japax Res Inc 放電加工用電源装置
US4733043A (en) * 1985-11-22 1988-03-22 Colt Industries Inc. Ram stabilizing circuit for electrical discharge machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58223523A (ja) * 1982-06-14 1983-12-26 Mitsubishi Electric Corp 放電加工電源装置

Also Published As

Publication number Publication date
EP0276314A4 (en) 1989-03-16
EP0276314A1 (en) 1988-08-03
JPS632612A (ja) 1988-01-07
DE3777145D1 (de) 1992-04-09
EP0276314B1 (en) 1992-03-04
US4833289A (en) 1989-05-23

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