CH557215A - DEVICE FOR TIMELY DETECTING ARC ARC DURING A SPARK VOLTAGE PROCESS. - Google Patents

DEVICE FOR TIMELY DETECTING ARC ARC DURING A SPARK VOLTAGE PROCESS.

Info

Publication number
CH557215A
CH557215A CH1768172A CH1768172A CH557215A CH 557215 A CH557215 A CH 557215A CH 1768172 A CH1768172 A CH 1768172A CH 1768172 A CH1768172 A CH 1768172A CH 557215 A CH557215 A CH 557215A
Authority
CH
Switzerland
Prior art keywords
arc
voltage process
spark voltage
timely detecting
during
Prior art date
Application number
CH1768172A
Other languages
German (de)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH557215A publication Critical patent/CH557215A/en

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
CH1768172A 1971-12-08 1972-12-05 DEVICE FOR TIMELY DETECTING ARC ARC DURING A SPARK VOLTAGE PROCESS. CH557215A (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
CH557215A true CH557215A (en) 1974-12-31

Family

ID=19814642

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1768172A CH557215A (en) 1971-12-08 1972-12-05 DEVICE FOR TIMELY DETECTING ARC ARC DURING A SPARK VOLTAGE PROCESS.

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027041A1 (en) * 1979-10-05 1981-04-15 Fanuc Ltd. Wire-cut electric-discharge machine, a power source for such a machine, and a method of wire-cut electric-discharge machining
EP0027040A1 (en) * 1979-10-04 1981-04-15 Fanuc Ltd. A wire-cut electric-discharge machine and a power source for such a machine

Families Citing this family (19)

* 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
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.
DE3416249A1 (en) * 1983-05-02 1984-11-08 Mitsubishi Denki K.K., Tokio/Tokyo Apparatus for machining by means of a discharge
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027040A1 (en) * 1979-10-04 1981-04-15 Fanuc Ltd. A wire-cut electric-discharge machine and a power source for such a machine
EP0027041A1 (en) * 1979-10-05 1981-04-15 Fanuc Ltd. Wire-cut electric-discharge machine, a power source for such a machine, and a method of wire-cut electric-discharge machining

Also Published As

Publication number Publication date
US3812317A (en) 1974-05-21
CA955655A (en) 1974-10-01
JPS4865598A (en) 1973-09-10
JPS536760B2 (en) 1978-03-10
DE2256649B2 (en) 1980-12-04
DE2256649C3 (en) 1981-07-23
NL7116823A (en) 1973-06-13
FR2164358A5 (en) 1973-07-27
DE2256649A1 (en) 1973-06-14
IT971562B (en) 1974-05-10
GB1360957A (en) 1974-07-24

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Legal Events

Date Code Title Description
PL Patent ceased