FR2481979B1 - Machine d'usinage par etincelage - Google Patents

Machine d'usinage par etincelage

Info

Publication number
FR2481979B1
FR2481979B1 FR8108443A FR8108443A FR2481979B1 FR 2481979 B1 FR2481979 B1 FR 2481979B1 FR 8108443 A FR8108443 A FR 8108443A FR 8108443 A FR8108443 A FR 8108443A FR 2481979 B1 FR2481979 B1 FR 2481979B1
Authority
FR
France
Prior art keywords
sparking machine
sparking
machine
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
FR8108443A
Other languages
English (en)
Other versions
FR2481979A1 (fr
Inventor
Toshihiko Furukawa
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.)
Sodick Co Ltd
Original Assignee
Sodick Co Ltd
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
Priority claimed from JP5874280A external-priority patent/JPS603929B2/ja
Priority claimed from JP11339380A external-priority patent/JPS603930B2/ja
Application filed by Sodick Co Ltd filed Critical Sodick Co Ltd
Publication of FR2481979A1 publication Critical patent/FR2481979A1/fr
Application granted granted Critical
Publication of FR2481979B1 publication Critical patent/FR2481979B1/fr
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
    • B23H1/022—Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
FR8108443A 1980-05-06 1981-04-28 Machine d'usinage par etincelage Expired FR2481979B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5874280A JPS603929B2 (ja) 1980-05-06 1980-05-06 加工パルス用電源回路
JP11339380A JPS603930B2 (ja) 1980-08-20 1980-08-20 放電加工装置

Publications (2)

Publication Number Publication Date
FR2481979A1 FR2481979A1 (fr) 1981-11-13
FR2481979B1 true FR2481979B1 (fr) 1986-02-21

Family

ID=26399762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8108443A Expired FR2481979B1 (fr) 1980-05-06 1981-04-28 Machine d'usinage par etincelage

Country Status (5)

Country Link
US (1) US4441005A (fr)
CH (1) CH652058A5 (fr)
DE (1) DE3116857A1 (fr)
FR (1) FR2481979B1 (fr)
IT (1) IT1138304B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH649024A5 (fr) * 1982-08-06 1985-04-30 Charmilles Sa Ateliers Machine pour usiner par decharges electriques erosives.
JPS6029213A (ja) * 1983-07-24 1985-02-14 Inoue Japax Res Inc 放電加工回路
JP2988086B2 (ja) * 1991-12-24 1999-12-06 三菱電機株式会社 放電加工装置
HU211281B (en) * 1994-07-25 1996-11-28 Lajos Pikler Method for identificating objects on the basis of the forming and checking their surface roughness, further an object having surface suitable to said identification
JP3731279B2 (ja) * 1997-03-12 2006-01-05 三菱電機株式会社 放電加工機
US20050247569A1 (en) * 2004-05-07 2005-11-10 Lamphere Michael S Distributed arc electroerosion
US20080142488A1 (en) * 2006-12-19 2008-06-19 General Electric Company Compound electrode, methods of manufacture thereof and articles comprising the same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US314155A (en) * 1885-03-17 Telephone-receiver
FR1243500A (fr) * 1959-09-02 1960-10-14 Centre Nat Rech Scient Perfectionnements aux procédés et dispositifs pour l'usinage par décharges électriques intermittentes
US3098149A (en) * 1960-06-06 1963-07-16 Inoue Kiyoshi Spark discharge maching apparatus for hard metals
US3158728A (en) * 1960-07-26 1964-11-24 Elox Corp Michigan High voltage-reverse polarity edm
NL278740A (fr) * 1961-05-23
US3283116A (en) * 1962-05-04 1966-11-01 Gen Motors Corp Electrical discharge machining method and apparatus
GB1053502A (fr) * 1964-01-20
DE1299204B (de) * 1965-01-16 1969-07-10 Aeg Elotherm Gmbh Schaltungsanordnung fuer eine Funkenerodiermaschine mit speicherlosem Generator und Pruefung des Bearbeitungsspaltes
NL128958C (fr) * 1967-03-30
US3588431A (en) * 1968-09-05 1971-06-28 Cincinnati Milacron Inc Method and apparatus for electrical discharge machining using a substantially constant current density during a spark discharge
FR2082783A5 (fr) * 1970-05-26 1971-12-10 Videon Sa
CH562654A5 (en) * 1972-06-01 1975-06-13 Mironoff Nicolas Electric discharge machining cct. based on relaxation - capacitively provides higher voltage for pre-ignition of discharge channel
DE2412091C2 (de) * 1973-03-14 1983-09-01 Mitsubishi Denki K.K., Tokyo Verfahren und Vorrichtung zur Elektroerosionsbearbeitung
CH591920A5 (fr) * 1975-06-17 1977-10-14 Agie Ag Ind Elektronik
CH613142A5 (fr) * 1977-02-23 1979-09-14 Charmilles Sa Ateliers

Also Published As

Publication number Publication date
DE3116857A1 (de) 1982-02-04
CH652058A5 (de) 1985-10-31
FR2481979A1 (fr) 1981-11-13
US4441005A (en) 1984-04-03
IT1138304B (it) 1986-09-17
IT8121520A0 (it) 1981-05-05
DE3116857C2 (fr) 1993-09-09

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