FR2476941B1 - Generateur d'impulsions a condensateur pour usinage par decharges electriques, notamment pour un tel usinage a fil mobile - Google Patents
Generateur d'impulsions a condensateur pour usinage par decharges electriques, notamment pour un tel usinage a fil mobileInfo
- Publication number
- FR2476941B1 FR2476941B1 FR8103890A FR8103890A FR2476941B1 FR 2476941 B1 FR2476941 B1 FR 2476941B1 FR 8103890 A FR8103890 A FR 8103890A FR 8103890 A FR8103890 A FR 8103890A FR 2476941 B1 FR2476941 B1 FR 2476941B1
- Authority
- FR
- France
- Prior art keywords
- machining
- capacitor
- pulse generator
- electric shock
- mobile wire
- 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
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
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/04—Apparatus for supplying current to working gap; Electric circuits specially adapted therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55023574A JPS6014653B2 (ja) | 1980-02-26 | 1980-02-26 | 放電加工装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2476941A1 FR2476941A1 (fr) | 1981-08-28 |
FR2476941B1 true FR2476941B1 (fr) | 1985-10-18 |
Family
ID=12114309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8103890A Expired FR2476941B1 (fr) | 1980-02-26 | 1981-02-26 | Generateur d'impulsions a condensateur pour usinage par decharges electriques, notamment pour un tel usinage a fil mobile |
Country Status (6)
Country | Link |
---|---|
US (2) | US4442333A (fr) |
JP (1) | JPS6014653B2 (fr) |
DE (1) | DE3107333A1 (fr) |
FR (1) | FR2476941B1 (fr) |
GB (1) | GB2071001B (fr) |
IT (1) | IT1142336B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57184629A (en) * | 1981-04-30 | 1982-11-13 | Fanuc Ltd | Power source unit for wirecut electric discharge machining |
JPS58206312A (ja) * | 1982-05-25 | 1983-12-01 | Mitsubishi Electric Corp | ワイヤカツト放電加工用電源 |
JPS60255319A (ja) * | 1984-05-30 | 1985-12-17 | Mitsubishi Electric Corp | 放電加工装置におけるワイヤ断線検出方法 |
JPH02272612A (ja) * | 1989-04-14 | 1990-11-07 | Toshiba Corp | 静止形無効電力補償装置のゲートパルス発生方法 |
US9960754B2 (en) | 2010-06-08 | 2018-05-01 | Varex Imaging Corporation | Method and apparatus for interlaced amplitude pulsing using a hard-tube type pulse generator |
WO2012109320A1 (fr) * | 2011-02-08 | 2012-08-16 | The University Of Utah Research Foundation | Système et procédé permettant de distribuer une quantité minimum de liquide de coupe |
WO2012114524A1 (fr) * | 2011-02-25 | 2012-08-30 | 三菱電機株式会社 | Dispositif d'alimentation pour machine d'usinage à décharge électrique et son procédé de commande |
JP6517847B2 (ja) * | 2017-01-18 | 2019-05-22 | ファナック株式会社 | ワイヤ放電加工機および加工方法 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2773168A (en) * | 1953-01-22 | 1956-12-04 | Firth Sterling Inc | High-speed spark machining apparatus |
US2794152A (en) * | 1953-06-15 | 1957-05-28 | Elox Corp | Arc-machining |
NL94837C (fr) * | 1954-10-01 | |||
GB812012A (en) * | 1956-04-12 | 1959-04-15 | Sparcatron Ltd | Improvements in the electric disintegration of conductive materials |
US3014155A (en) * | 1959-02-16 | 1961-12-19 | Inoue Kiyoshi | Spark discharge machining energy source |
NL258818A (fr) * | 1959-12-08 | |||
US3098149A (en) * | 1960-06-06 | 1963-07-16 | Inoue Kiyoshi | Spark discharge maching apparatus for hard metals |
US3109120A (en) * | 1960-10-20 | 1963-10-29 | Gen Motors Corp | Electrical stock removal apparatus |
US3286127A (en) * | 1961-05-18 | 1966-11-15 | Cincinnati Milling Machine Co | Electric discharge machining apparatus with current control means |
US3485987A (en) * | 1962-11-01 | 1969-12-23 | Elox Inc | Machining power supply for electrical discharge machining |
CH407362A (fr) * | 1964-02-25 | 1966-02-15 | Charmilles Sa Ateliers | Procédé d'usinage par décharges électriques intermittentes à impulsions commandées |
US3333081A (en) * | 1964-03-04 | 1967-07-25 | Inoue Kiyoshi | Discharge-machining apparatus |
NL6513424A (fr) * | 1965-10-16 | 1967-04-17 | ||
US3549851A (en) * | 1966-12-19 | 1970-12-22 | Siltronics Inc | Power supply circuitry for increasing capacitance-charging rate and discharge duration in electric discharge machining apparatus |
JPS5112880B1 (fr) * | 1970-06-02 | 1976-04-22 | ||
US3697719A (en) * | 1971-03-10 | 1972-10-10 | Elox Inc | Pulse narrowing and cut-off protection system for electrical discharge machining |
JPS4841385A (fr) * | 1971-09-28 | 1973-06-16 | ||
US3974357A (en) * | 1973-03-22 | 1976-08-10 | Mitsubishi Denki Kabushiki Kaisha | Process and apparatus for electrical discharge shaping using sequential switching |
US3878437A (en) * | 1973-03-28 | 1975-04-15 | Seymour Cuker | Power output circuit for electrical discharge machining apparatus |
CH569545A5 (fr) * | 1973-08-31 | 1975-11-28 | Charmilles Sa Ateliers | |
JPS50101997A (fr) * | 1974-01-10 | 1975-08-12 | ||
CH625446A5 (fr) * | 1977-03-18 | 1981-09-30 | Agie Ag Ind Elektronik | |
DE2713427A1 (de) * | 1977-03-26 | 1978-09-28 | Krupp Gmbh | Schaltanordnung zur funkenerosion |
GB2016169B (en) * | 1978-03-09 | 1982-11-03 | Inoue Japax Res | Electrical discharge machining |
JPS6014650B2 (ja) * | 1978-04-27 | 1985-04-15 | 三菱電機株式会社 | 放電加工用電源装置 |
US4516009A (en) * | 1978-06-14 | 1985-05-07 | Inoue-Japax Research Incorporated | Capacitor-type HF power supply for electrical machining |
US4303957A (en) * | 1979-06-27 | 1981-12-01 | Colt Industries Operating Corp | Gap condition sensing circuit for electrical discharge machining power supply |
-
1980
- 1980-02-26 JP JP55023574A patent/JPS6014653B2/ja not_active Expired
-
1981
- 1981-02-25 GB GB8105951A patent/GB2071001B/en not_active Expired
- 1981-02-25 US US06/238,123 patent/US4442333A/en not_active Ceased
- 1981-02-26 DE DE19813107333 patent/DE3107333A1/de active Granted
- 1981-02-26 IT IT47895/81A patent/IT1142336B/it active
- 1981-02-26 FR FR8103890A patent/FR2476941B1/fr not_active Expired
-
1986
- 1986-04-10 US US06/851,792 patent/USRE32855E/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
USRE32855E (en) | 1989-02-07 |
US4442333A (en) | 1984-04-10 |
IT1142336B (it) | 1986-10-08 |
DE3107333C2 (fr) | 1988-12-08 |
JPS56119318A (en) | 1981-09-18 |
JPS6014653B2 (ja) | 1985-04-15 |
GB2071001B (en) | 1984-09-26 |
DE3107333A1 (de) | 1982-03-11 |
IT8147895A0 (it) | 1981-02-26 |
FR2476941A1 (fr) | 1981-08-28 |
GB2071001A (en) | 1981-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |