CA1289629C - Power supply for discharge machining apparatus - Google Patents

Power supply for discharge machining apparatus

Info

Publication number
CA1289629C
CA1289629C CA000556446A CA556446A CA1289629C CA 1289629 C CA1289629 C CA 1289629C CA 000556446 A CA000556446 A CA 000556446A CA 556446 A CA556446 A CA 556446A CA 1289629 C CA1289629 C CA 1289629C
Authority
CA
Canada
Prior art keywords
time
transistor
discharge machining
energy
energy dissipating
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.)
Expired - Lifetime
Application number
CA000556446A
Other languages
English (en)
French (fr)
Inventor
Shoji Futamura
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.)
Institute of Technology Precision Electrical Discharge Works
Original Assignee
Institute of Technology Precision Electrical Discharge Works
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 Institute of Technology Precision Electrical Discharge Works filed Critical Institute of Technology Precision Electrical Discharge Works
Application granted granted Critical
Publication of CA1289629C publication Critical patent/CA1289629C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B23H1/022—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
CA000556446A 1987-01-16 1988-01-13 Power supply for discharge machining apparatus Expired - Lifetime CA1289629C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62007675A JPS63174816A (ja) 1987-01-16 1987-01-16 放電加工機用電源装置
JP7675/87 1987-01-16

Publications (1)

Publication Number Publication Date
CA1289629C true CA1289629C (en) 1991-09-24

Family

ID=11672369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000556446A Expired - Lifetime CA1289629C (en) 1987-01-16 1988-01-13 Power supply for discharge machining apparatus

Country Status (7)

Country Link
US (1) US4940872A (OSRAM)
JP (1) JPS63174816A (OSRAM)
CA (1) CA1289629C (OSRAM)
DE (1) DE3800727A1 (OSRAM)
FR (1) FR2609658B1 (OSRAM)
GB (1) GB2201366B (OSRAM)
IT (1) IT1215716B (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2749656B2 (ja) * 1989-08-16 1998-05-13 株式会社放電精密加工研究所 放電加工用電源回路
DE4107910A1 (de) * 1991-03-12 1992-09-17 Agie Ag Ind Elektronik Impulsgenerator fuer funkenerosive bearbeitung sowie hierfuer geeignetes verfahren
US5147995A (en) * 1991-04-30 1992-09-15 Industrial Technology Research Institute Discharging circuit arrangement for an electrical discharging machine
DE4125742C2 (de) * 1991-08-02 1996-02-01 Fraunhofer Ges Forschung Funkenerosionsimpulsgenerator und Verfahren zum Funkenerodieren von Werkstücken
US5255467A (en) * 1992-07-17 1993-10-26 Haskell Robert K Hydrodynamic fishing sinker
JP3731279B2 (ja) * 1997-03-12 2006-01-05 三菱電機株式会社 放電加工機
JPH11320260A (ja) * 1998-04-30 1999-11-24 Higashi Hoden Kk 放電加工機用電源およびその制御方法
US6107593A (en) * 1998-12-21 2000-08-22 Industrial Technology Research Institute Power apparatus for wire electric discharge machine
CN104329459A (zh) * 2014-09-25 2015-02-04 天津西澳维密封技术发展有限公司 压力跟踪封液罐系统及其实现机械密封结构恒压的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL136517C (OSRAM) * 1961-05-23
CH591920A5 (OSRAM) * 1975-06-17 1977-10-14 Agie Ag Ind Elektronik
JPS5733926A (en) * 1980-08-05 1982-02-24 Inoue Japax Res Inc Electric discharge machining device
JPS57184629A (en) * 1981-04-30 1982-11-13 Fanuc Ltd Power source unit for wirecut electric discharge machining
DE3326866C2 (de) * 1983-07-26 1985-10-10 Aeg-Elotherm Gmbh, 5630 Remscheid Elektrischer Generator für die funkenerosive Metallbearbeitung
JPS60123218A (ja) * 1983-12-02 1985-07-01 Fanuc Ltd 放電加工電源
JPS60180718A (ja) * 1984-02-29 1985-09-14 Fanuc Ltd 放電加工電源
US4672303A (en) * 1986-08-28 1987-06-09 International Business Machines Corporation Inductor current control circuit
US4727308A (en) * 1986-08-28 1988-02-23 International Business Machines Corporation FET power converter with reduced switching loss

Also Published As

Publication number Publication date
IT1215716B (it) 1990-02-22
GB2201366A (en) 1988-09-01
DE3800727C2 (OSRAM) 1993-07-22
IT8819089A0 (it) 1988-01-15
JPS63174816A (ja) 1988-07-19
US4940872A (en) 1990-07-10
GB2201366B (en) 1990-07-11
DE3800727A1 (de) 1988-07-28
FR2609658A1 (fr) 1988-07-22
FR2609658B1 (fr) 1992-02-14
GB8800782D0 (en) 1988-02-17

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Legal Events

Date Code Title Description
MKLA Lapsed