IT8121520A0 - Apparecchiatura di lavorazione meccanica a scarica elettrica. - Google Patents
Apparecchiatura di lavorazione meccanica a scarica elettrica.Info
- Publication number
- IT8121520A0 IT8121520A0 IT8121520A IT2152081A IT8121520A0 IT 8121520 A0 IT8121520 A0 IT 8121520A0 IT 8121520 A IT8121520 A IT 8121520A IT 2152081 A IT2152081 A IT 2152081A IT 8121520 A0 IT8121520 A0 IT 8121520A0
- Authority
- IT
- Italy
- Prior art keywords
- processing equipment
- electric discharge
- mechanical processing
- discharge mechanical
- electric
- Prior art date
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)
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 |
---|---|
IT8121520A0 true IT8121520A0 (it) | 1981-05-05 |
IT1138304B IT1138304B (it) | 1986-09-17 |
Family
ID=26399762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21520/81A IT1138304B (it) | 1980-05-06 | 1981-05-05 | Apparecchiatura di lavorazione meccanica a scarica elettrica |
Country Status (5)
Country | Link |
---|---|
US (1) | US4441005A (it) |
CH (1) | CH652058A5 (it) |
DE (1) | DE3116857C2 (it) |
FR (1) | FR2481979B1 (it) |
IT (1) | IT1138304B (it) |
Families Citing this family (7)
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)
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 (it) * | 1961-05-23 | |||
US3283116A (en) * | 1962-05-04 | 1966-11-01 | Gen Motors Corp | Electrical discharge machining method and apparatus |
GB1053502A (it) * | 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 (it) * | 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 (it) * | 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 (it) * | 1975-06-17 | 1977-10-14 | Agie Ag Ind Elektronik | |
CH613142A5 (it) * | 1977-02-23 | 1979-09-14 | Charmilles Sa Ateliers |
-
1981
- 1981-04-23 US US06/256,765 patent/US4441005A/en not_active Expired - Lifetime
- 1981-04-28 DE DE3116857A patent/DE3116857C2/de not_active Expired - Lifetime
- 1981-04-28 FR FR8108443A patent/FR2481979B1/fr not_active Expired
- 1981-05-01 CH CH2857/81A patent/CH652058A5/de not_active IP Right Cessation
- 1981-05-05 IT IT21520/81A patent/IT1138304B/it active
Also Published As
Publication number | Publication date |
---|---|
CH652058A5 (de) | 1985-10-31 |
FR2481979A1 (fr) | 1981-11-13 |
IT1138304B (it) | 1986-09-17 |
US4441005A (en) | 1984-04-03 |
FR2481979B1 (fr) | 1986-02-21 |
DE3116857C2 (de) | 1993-09-09 |
DE3116857A1 (de) | 1982-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970529 |