CA955655A - Apparatus for timely detecting arcs - Google Patents

Apparatus for timely detecting arcs

Info

Publication number
CA955655A
CA955655A CA158,106A CA158106A CA955655A CA 955655 A CA955655 A CA 955655A CA 158106 A CA158106 A CA 158106A CA 955655 A CA955655 A CA 955655A
Authority
CA
Canada
Prior art keywords
timely detecting
detecting arcs
arcs
timely
detecting
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
CA158,106A
Other versions
CA158106S (en
Inventor
Willem Van Liefland
Paulus M. De Bont
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA955655A publication Critical patent/CA955655A/en
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)
CA158,106A 1971-12-08 1972-12-05 Apparatus for timely detecting arcs Expired CA955655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7116823A NL7116823A (en) 1971-12-08 1971-12-08

Publications (1)

Publication Number Publication Date
CA955655A true CA955655A (en) 1974-10-01

Family

ID=19814642

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,106A Expired CA955655A (en) 1971-12-08 1972-12-05 Apparatus for timely detecting arcs

Country Status (9)

Country Link
US (1) US3812317A (en)
JP (1) JPS536760B2 (en)
CA (1) CA955655A (en)
CH (1) CH557215A (en)
DE (1) DE2256649C3 (en)
FR (1) FR2164358A5 (en)
GB (1) GB1360957A (en)
IT (1) IT971562B (en)
NL (1) NL7116823A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454475C3 (en) * 1974-11-16 1982-09-30 Aeg-Elotherm Gmbh, 5630 Remscheid Device for short circuit detection on spark erosion machines
JPS5652133A (en) * 1979-10-04 1981-05-11 Fanuc Ltd Electric source for wire-cut electric spark machining
JPS5656341A (en) * 1979-10-05 1981-05-18 Fanuc Ltd Power source for wire cut electric discharge machining
JPS5937174B2 (en) * 1980-02-16 1984-09-07 ファナック株式会社 electrical discharge machining power supply
JPS58211826A (en) * 1982-05-28 1983-12-09 Mitsubishi Electric Corp Electric discharge machining device
NL8202964A (en) * 1982-07-22 1984-02-16 Stichting Steunfonds Lab Voor METHOD FOR SUPPRESSION OF ARC FORMATION IN A SPARK PROCESSING PROCESS.
US4892989A (en) * 1983-05-02 1990-01-09 Mitsubishi Denki Kabushiki Kaisha Discharge machining apparatus having means for distinguishing abnormal interelectrode gap conditions
JPS60161029A (en) * 1984-02-01 1985-08-22 Nec Corp Discharge gap detector circuit
JPS60197319A (en) * 1984-03-19 1985-10-05 Brother Ind Ltd Electric discharge machine
US4700039A (en) * 1984-08-08 1987-10-13 Amada Company, Limited Method and device for controlling the tool electrode in an electrical discharge machine tool
JPS6156829A (en) * 1984-08-27 1986-03-22 Amada Co Ltd Setting of machining conditions of electric discharge machine
JPS6188770A (en) * 1984-10-05 1986-05-07 Amada Co Ltd Current control circuit of electrical discharge machine
US4751363A (en) * 1986-02-28 1988-06-14 Ho Kuang Ta Automatic turn-on fine finish circuit for electrical discharge machining
DE3622520A1 (en) * 1986-07-04 1988-01-07 Deckel Ag Friedrich METHOD AND DEVICE FOR MONITORING A SPARK EDM PROCESS IN A SPARK EDM MACHINE
ES2009110A6 (en) * 1988-11-11 1989-08-16 Camprubi Graell Alberto Method for reducing the wear of the electrode in machine tools using electro-erosion.
JP3040849B2 (en) * 1991-07-29 2000-05-15 株式会社ソディック Electric discharge machine
US5496984A (en) * 1992-01-07 1996-03-05 Mitsubishi Denki Kabushiki Kaisha Electrical discharge machine and machining method therefor
TW386921B (en) * 1998-06-24 2000-04-11 Ind Tech Res Inst Method and apparatus for controlling electric discharge machining efficiency
JP4191589B2 (en) * 2003-12-19 2008-12-03 パナソニック株式会社 Electric discharge machining method and electric discharge machining apparatus using the electric discharge machining method
GB2462419A (en) * 2008-08-04 2010-02-10 Sarclad Ltd Method and apparatus for improving roll texturing using electrical discharge machining
US9837809B2 (en) * 2015-05-27 2017-12-05 Korea Institute Of Energy Research Arc detection apparatus, arc detecting method, and power system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474216A (en) * 1967-10-19 1969-10-21 Cincinnati Milling Machine Co Process efficiency detecting circuit for electrical discharge machining apparatus
US3597570A (en) * 1968-05-27 1971-08-03 Mitsubishi Electric Corp Device for detecting sustained arcing across electrospark machining gaps

Also Published As

Publication number Publication date
GB1360957A (en) 1974-07-24
JPS4865598A (en) 1973-09-10
FR2164358A5 (en) 1973-07-27
CH557215A (en) 1974-12-31
IT971562B (en) 1974-05-10
DE2256649B2 (en) 1980-12-04
NL7116823A (en) 1973-06-13
JPS536760B2 (en) 1978-03-10
DE2256649A1 (en) 1973-06-14
US3812317A (en) 1974-05-21
DE2256649C3 (en) 1981-07-23

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