CH681788A5 - - Google Patents

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Publication number
CH681788A5
CH681788A5 CH1233/90A CH123390A CH681788A5 CH 681788 A5 CH681788 A5 CH 681788A5 CH 1233/90 A CH1233/90 A CH 1233/90A CH 123390 A CH123390 A CH 123390A CH 681788 A5 CH681788 A5 CH 681788A5
Authority
CH
Switzerland
Prior art keywords
electrode
gap
power source
machining
resonance
Prior art date
Application number
CH1233/90A
Other languages
German (de)
English (en)
Inventor
Takuji Magara
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27467909&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CH681788(A5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP24549889A external-priority patent/JPH0349824A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CH681788A5 publication Critical patent/CH681788A5/de

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
    • B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train
    • 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
    • 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
    • B23H2300/00—Power source circuits or energization
    • B23H2300/20—Relaxation circuit power supplies for supplying the machining current, e.g. capacitor or inductance energy storage circuits
    • 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
    • B23H2300/00—Power source circuits or energization
    • B23H2300/20—Relaxation circuit power supplies for supplying the machining current, e.g. capacitor or inductance energy storage circuits
    • B23H2300/22—Circuits using or taking into account line impedance to shape the discharge pulse

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
CH1233/90A 1989-04-11 1990-04-11 CH681788A5 (enExample)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP9143389 1989-04-11
JP9143589 1989-04-11
JP9143489 1989-04-11
JP24549889A JPH0349824A (ja) 1989-04-11 1989-09-21 放電加工用電源

Publications (1)

Publication Number Publication Date
CH681788A5 true CH681788A5 (enExample) 1993-05-28

Family

ID=27467909

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1233/90A CH681788A5 (enExample) 1989-04-11 1990-04-11

Country Status (3)

Country Link
US (1) US5149931A (enExample)
CH (1) CH681788A5 (enExample)
DE (1) DE4011752C2 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06333857A (ja) * 1993-05-27 1994-12-02 Semiconductor Energy Lab Co Ltd 成膜装置および成膜方法
DE4447649C2 (de) * 1993-06-30 2002-03-07 Mitsubishi Electric Corp Vorrichtung zur elektrischen Entladungsbearbeitung unter Benutzung variabler Kapazität und variabler Induktivität
JP2914104B2 (ja) * 1993-06-30 1999-06-28 三菱電機株式会社 放電加工方法及びその装置、並びにこの放電加工装置に適用可能な、静電容量可変装置及びインダクタンス可変装置
DE4422834C2 (de) * 1993-06-30 2000-03-23 Mitsubishi Electric Corp Verfahren und Vorrichtung zur elektrischen Entladungsbearbeitung unter Benutzung variabler Kapazität und variabler Induktivität
DE69531880T2 (de) * 1994-04-28 2004-09-09 Applied Materials, Inc., Santa Clara Verfahren zum Betreiben eines CVD-Reaktors hoher Plasma-Dichte mit kombinierter induktiver und kapazitiver Einkopplung
US5474750A (en) * 1995-01-25 1995-12-12 Quantum Electronics Corporation Resonant power supply circuit for ozone generators
DE19753812C2 (de) * 1997-12-04 2000-05-18 Agie Sa Verfahren und Vorrichtung zum funkenerosiven Feinbearbeiten
JPH11347845A (ja) 1998-06-10 1999-12-21 Sodick Co Ltd 放電加工用パルス電圧発生方法及び回路
US6222149B1 (en) 1998-06-10 2001-04-24 Sodick Co., Ltd. Power supply device for electric discharge machining apparatus
US6130395A (en) * 1998-06-17 2000-10-10 Sodick Co., Ltd. Method and apparatus for achieving a fine surface finish in wire-cut EDM
TW483789B (en) * 2000-05-26 2002-04-21 Mitsubishi Electric Corp Electric discharge processing machine
JP2005244479A (ja) * 2004-02-25 2005-09-08 Fujitsu Ltd 伝送装置
DE112009001764B4 (de) * 2008-07-24 2023-01-19 Mitsubishi Electric Corporation Funkenerosionsvorrichtung, Funkenerosionsverfahren und Verfahren zur Herstellung eines Halbleitersubstrats
JP6360212B1 (ja) * 2017-01-31 2018-07-18 ファナック株式会社 ワイヤ放電加工機

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2230803A (en) * 1938-08-25 1941-02-04 Paul W Klipsch Wave synthesizing network
BE514178A (enExample) * 1951-09-14
FR1399612A (fr) * 1964-03-20 1965-05-21 Soudure Elec Languepin Procédé d'usinage par électro-érosion
US3609281A (en) * 1969-12-15 1971-09-28 Cincinnati Milacron Inc Method and apparatus for detecting short circuits in the machining gap in an edm process
FR2082732A5 (enExample) * 1970-03-25 1971-12-10 Carel Fouche Languepin
US3660787A (en) * 1970-08-19 1972-05-02 Us Navy Low frequency paper transient filters
DE2302040A1 (de) * 1972-06-01 1973-12-13 Nicolas Mironoff Schaltung zur verwendung bei elektroerosionsmaschinen
IT1031674B (it) * 1974-02-19 1979-05-10 Niwa Yoshiei Procedimento ed apparecchiatura per la sagomatura a scarica ad alta frequenza
US4095198A (en) * 1977-01-31 1978-06-13 Gte Sylvania Incorporated Impedance-matching network
SU657945A1 (ru) * 1977-03-21 1979-04-25 Предприятие П/Я А-1067 Транзисторный генератор импульсов
US4112395A (en) * 1977-06-10 1978-09-05 Cincinnati Electronics Corp. Method of and apparatus for matching a load circuit to a drive circuit
JPS6023432B2 (ja) * 1977-12-09 1985-06-07 株式会社日立製作所 Ｍｏｓメモリ
JPS54119195A (en) * 1978-03-07 1979-09-14 Inoue Japax Res Inc Electric discharge processing device
JPS5768913A (en) * 1980-10-17 1982-04-27 Tdk Corp Laminated t-type filter
US4373581A (en) * 1981-01-19 1983-02-15 Halliburton Company Apparatus and method for radio frequency heating of hydrocarbonaceous earth formations including an impedance matching technique
US4375051A (en) * 1981-02-19 1983-02-22 The Perkin-Elmer Corporation Automatic impedance matching between source and load
US4356458A (en) * 1981-08-31 1982-10-26 Harry H. Leveen Automatic impedance matching apparatus
CH649024A5 (fr) * 1982-08-06 1985-04-30 Charmilles Sa Ateliers Machine pour usiner par decharges electriques erosives.
JPS61260923A (ja) * 1985-05-15 1986-11-19 Mitsubishi Electric Corp 放電加工用電源
JPH0724974B2 (ja) * 1985-05-15 1995-03-22 三菱電機株式会社 放電加工用電源
JPS61260915A (ja) * 1985-05-15 1986-11-19 Mitsubishi Electric Corp 放電加工用電源
JPS63123607A (ja) * 1986-11-14 1988-05-27 Mitsubishi Electric Corp 放電加工方法及び装置
JPS63277049A (ja) * 1987-05-08 1988-11-15 Toshiba Corp Ｍｒｉ装置のインピ−ダンス自動調整装置
US4833431A (en) * 1988-02-18 1989-05-23 Mcdonnell Douglas Corporation Triple-resonance pulse transformer circuit

Also Published As

Publication number Publication date
US5149931A (en) 1992-09-22
DE4011752C2 (de) 1994-09-15
DE4011752A1 (de) 1990-10-25

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PL Patent ceased
PLX Patent declared invalid from date of grant onwards