DE2861859D1 - Improvements in methods and apparatus for electrical discharge machining - Google Patents

Improvements in methods and apparatus for electrical discharge machining

Info

Publication number
DE2861859D1
DE2861859D1 DE7878900289T DE2861859T DE2861859D1 DE 2861859 D1 DE2861859 D1 DE 2861859D1 DE 7878900289 T DE7878900289 T DE 7878900289T DE 2861859 T DE2861859 T DE 2861859T DE 2861859 D1 DE2861859 D1 DE 2861859D1
Authority
DE
Germany
Prior art keywords
methods
discharge machining
electrical discharge
machining
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
Application number
DE7878900289T
Other languages
German (de)
English (en)
Inventor
Mohamed El-Menshawy
Peter Woodrow
Sushantha Bhattacharyya
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Application granted granted Critical
Publication of DE2861859D1 publication Critical patent/DE2861859D1/de
Expired 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)
DE7878900289T 1977-12-13 1978-12-08 Improvements in methods and apparatus for electrical discharge machining Expired DE2861859D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB51714/77A GB1604399A (en) 1977-12-13 1977-12-13 Methods for monitoring electrical discharge machining and apparatus for such machining
PCT/GB1978/000052 WO1979000380A1 (en) 1977-12-13 1978-12-08 Improvements in methods and apparatus for electrical discharge machining

Publications (1)

Publication Number Publication Date
DE2861859D1 true DE2861859D1 (en) 1982-07-08

Family

ID=10461100

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7878900289T Expired DE2861859D1 (en) 1977-12-13 1978-12-08 Improvements in methods and apparatus for electrical discharge machining

Country Status (7)

Country Link
US (1) US4348573A (OSRAM)
EP (1) EP0007965B1 (OSRAM)
JP (1) JPS54500082A (OSRAM)
DE (1) DE2861859D1 (OSRAM)
GB (1) GB1604399A (OSRAM)
IT (1) IT1108381B (OSRAM)
WO (1) WO1979000380A1 (OSRAM)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3212751A1 (de) * 1981-04-15 1982-12-02 National Research Development Corp., London Verfahren und einrichtung zum abtragen von werkstoff von einem elektrisch leitenden werkstueck
CH655032A5 (fr) * 1982-06-30 1986-03-27 Mitsubishi Electric Corp Machine a decharge electrique pour electro-erosion.
US4582974A (en) * 1982-08-02 1986-04-15 Mitsubishi Denki Kabushiki Kaisha Electric discharge machine including means for detecting abnormal discharge conditions
JPS61173821A (ja) * 1985-01-24 1986-08-05 Amada Co Ltd 放電加工装置
US5496984A (en) * 1992-01-07 1996-03-05 Mitsubishi Denki Kabushiki Kaisha Electrical discharge machine and machining method therefor
US5360957A (en) * 1992-06-11 1994-11-01 General Electric Company Controlled apparatus for electrical discharge machining
US6385500B1 (en) 1999-04-16 2002-05-07 Cummins Engine Company, Inc. Hybrid servomechanism for micro-electrical discharge machining
GB2363749A (en) * 2000-06-23 2002-01-09 Univ Nottingham Trent Acoustic feedback in the control of electrical discharge machining
US7041933B2 (en) * 2003-04-14 2006-05-09 Meyer Tool, Inc. Complex hole shaping
US9168603B2 (en) * 2009-07-07 2015-10-27 Mitsubishi Electric Corporation Wire electric discharge machining apparatus
DE102011004799B4 (de) * 2011-02-25 2012-09-27 Varta Microbattery Gmbh Statusindikator für temperaturempfindliche Güter
US20150101604A1 (en) * 2013-05-29 2015-04-16 David Bruce Crosbie Nitric Oxide Generator and Inhaler
JP2018024025A (ja) * 2016-08-08 2018-02-15 ファナック株式会社 放電加工機

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB640188A (en) 1946-11-06 1950-07-12 Bbc Brown Boveri & Cie Improvements in and relating to the determination of electric discharge
GB953441A (en) 1960-01-25 1964-03-25 Ass Elect Ind Improvements in and relating to apparatus for testing electric insulation
US3253457A (en) 1961-12-15 1966-05-31 Westinghouse Electric Corp Apparatus for locating trouble sources which generate ultrasonic vibrations
US3430136A (en) 1965-12-21 1969-02-25 Gen Electric Test equipment for identification and location of electrical faults in fluid-filled electric apparatus
DE1806648A1 (de) * 1968-11-02 1970-05-21 Erdmann Jesnitzer Dr Ing Habil Vorrichtung und Verfahren zur Kontrolle von Elektroschweissverfahren
USRE29398E (en) 1969-03-13 1977-09-13 Servosystem for electrical machining processes
DE1919034A1 (de) * 1969-04-15 1970-10-22 Erdmann Jesnitzer Dr Ing Habil Vorrichtung zur Kontrolle von Elektroschweissverfahren
GB1320136A (en) 1969-09-09 1973-06-13 English Electric Co Ltd Testing electrical insulation and locating faults therein
US3816692A (en) * 1972-03-02 1974-06-11 S Ratmansky Electrical discharge machining efficiency and safety monitoring system
USRE27707E (en) 1972-08-11 1973-07-24 Method and apparatus for detecting and controlling through pulse energy variations arcing conditions in an edm process
DE2315323B2 (de) 1973-03-23 1980-06-19 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Erfassung dielektrischer Durchschläge in metallgekapselten Hochspannungsschaltanlagen
CH585608A5 (OSRAM) 1973-12-04 1977-03-15 Deckel Ag Friedrich
GB1492027A (en) 1974-05-23 1977-11-16 Deckel Ag Friedrich Electrical discharge machining

Also Published As

Publication number Publication date
EP0007965B1 (en) 1982-05-19
IT7869843A0 (it) 1978-12-13
IT1108381B (it) 1985-12-09
GB1604399A (en) 1981-12-09
EP0007965A1 (en) 1980-02-20
WO1979000380A1 (en) 1979-06-28
JPS54500082A (OSRAM) 1979-12-06
US4348573A (en) 1982-09-07

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee