DE3480769D1 - Stromversorgung fuer elektrisches entladungswerkzeug. - Google Patents

Stromversorgung fuer elektrisches entladungswerkzeug.

Info

Publication number
DE3480769D1
DE3480769D1 DE8484902377T DE3480769T DE3480769D1 DE 3480769 D1 DE3480769 D1 DE 3480769D1 DE 8484902377 T DE8484902377 T DE 8484902377T DE 3480769 T DE3480769 T DE 3480769T DE 3480769 D1 DE3480769 D1 DE 3480769D1
Authority
DE
Germany
Prior art keywords
power supply
electrical discharge
discharge tool
tool
electrical
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
DE8484902377T
Other languages
English (en)
Inventor
Haruki Obara
Green Hill-Terada Izumiya
Yuji Okuyama
Akihiro Sakurai
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.)
Fanuc Corp
Original Assignee
Fanuc 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 Fanuc Corp filed Critical Fanuc Corp
Application granted granted Critical
Publication of DE3480769D1 publication Critical patent/DE3480769D1/de
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)
  • Generation Of Surge Voltage And Current (AREA)
DE8484902377T 1983-06-20 1984-06-19 Stromversorgung fuer elektrisches entladungswerkzeug. Expired - Lifetime DE3480769D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58109223A JPS6029210A (ja) 1983-06-20 1983-06-20 放電加工電源
PCT/JP1984/000321 WO1985000128A1 (en) 1983-06-20 1984-06-19 Power source for electrical discharge machining

Publications (1)

Publication Number Publication Date
DE3480769D1 true DE3480769D1 (de) 1990-01-25

Family

ID=14504716

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484902377T Expired - Lifetime DE3480769D1 (de) 1983-06-20 1984-06-19 Stromversorgung fuer elektrisches entladungswerkzeug.

Country Status (5)

Country Link
US (1) US4590353A (de)
EP (1) EP0147473B1 (de)
JP (1) JPS6029210A (de)
DE (1) DE3480769D1 (de)
WO (1) WO1985000128A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61274814A (ja) * 1985-05-30 1986-12-05 Fanuc Ltd 放電加工電源
JPH07112647B2 (ja) * 1986-12-11 1995-12-06 フアナツク株式会社 放電加工装置
JP2767892B2 (ja) * 1989-05-30 1998-06-18 ブラザー工業株式会社 放電加工機用電源
US10634713B2 (en) * 2018-02-22 2020-04-28 Piecemakers Technology, Inc. Method for testing semiconductor die pad untouched by probe and related test circuit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350863A (en) * 1978-03-07 1982-09-21 Inoue-Japax Research Incorporated High-frequency power feeder circuitry and supply for electrical discharge machining
JPS5621728A (en) * 1979-07-24 1981-02-28 Makino Milling Mach Co Ltd Power unit for electric discharge machining
JPS5845635B2 (ja) * 1979-10-06 1983-10-11 「かた」上 昭二 液面断熱方法
JPS5689434A (en) * 1979-12-22 1981-07-20 Fanuc Ltd Power source to wire-cut electric discharge machining

Also Published As

Publication number Publication date
JPS6029210A (ja) 1985-02-14
EP0147473A4 (de) 1987-03-16
JPH0329530B2 (de) 1991-04-24
EP0147473B1 (de) 1989-12-20
US4590353A (en) 1986-05-20
WO1985000128A1 (en) 1985-01-17
EP0147473A1 (de) 1985-07-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee