IT1142758B - Generatore di impulsi in particolare per lavorazione a scarica elettrica - Google Patents
Generatore di impulsi in particolare per lavorazione a scarica elettricaInfo
- Publication number
- IT1142758B IT1142758B IT47913/81A IT4791381A IT1142758B IT 1142758 B IT1142758 B IT 1142758B IT 47913/81 A IT47913/81 A IT 47913/81A IT 4791381 A IT4791381 A IT 4791381A IT 1142758 B IT1142758 B IT 1142758B
- Authority
- IT
- Italy
- Prior art keywords
- pulse generator
- electric discharge
- discharge processing
- processing
- electric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/38—Starting, stopping or resetting the counter
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
- B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/017—Adjustment of width or dutycycle of pulses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
-
- 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
- B23H2300/00—Power source circuits or energization
- B23H2300/10—Pulsed electrochemical machining
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2334680A JPS56120226A (en) | 1980-02-28 | 1980-02-28 | Pulse generator |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8147913A0 IT8147913A0 (it) | 1981-02-27 |
IT1142758B true IT1142758B (it) | 1986-10-15 |
Family
ID=12108018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47913/81A IT1142758B (it) | 1980-02-28 | 1981-02-27 | Generatore di impulsi in particolare per lavorazione a scarica elettrica |
Country Status (6)
Country | Link |
---|---|
US (1) | US4392043A (it) |
JP (1) | JPS56120226A (it) |
DE (1) | DE3107580A1 (it) |
FR (1) | FR2477341B1 (it) |
GB (1) | GB2071373B (it) |
IT (1) | IT1142758B (it) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58206312A (ja) * | 1982-05-25 | 1983-12-01 | Mitsubishi Electric Corp | ワイヤカツト放電加工用電源 |
DE3419943C2 (de) * | 1984-05-11 | 1986-04-24 | Aktiengesellschaft für industrielle Elektronik AGIE Losone bei Locarno, Losone, Locarno | Verfahren zur Erzeugung einer elektroerosiven Entladespannung und Drahtschneidmaschine zur Durchführung des Verfahrens |
US4751363A (en) * | 1986-02-28 | 1988-06-14 | Ho Kuang Ta | Automatic turn-on fine finish circuit for electrical discharge machining |
JP2526938B2 (ja) * | 1987-11-16 | 1996-08-21 | オムロン株式会社 | プログラマブル・タイムスイツチ |
US5182474A (en) * | 1991-03-26 | 1993-01-26 | Sodick Co., Ltd. | Pulse control circuit for electric discharge machine using programmable logic |
USRE35125E (en) * | 1989-07-26 | 1995-12-19 | Sodick Co., Ltd. | Pulse control circuit for electric discharge machine using programmable logic |
JP2503712B2 (ja) * | 1990-03-08 | 1996-06-05 | 三菱電機株式会社 | エレベ―タ―の速度制御装置 |
EP0491958B1 (en) * | 1990-07-13 | 1995-10-04 | Sodick Co., Ltd. | Method and apparatus for generating pulses |
CH682608A5 (de) * | 1991-10-28 | 1993-10-15 | Landis & Gyr Business Support | Anordnung zur Ueberwachung von Wechselstromschaltern. |
US8168913B2 (en) | 2009-05-28 | 2012-05-01 | General Electric Company | Electric discharge machining die sinking device |
US9950377B2 (en) * | 2014-05-30 | 2018-04-24 | National Taiwan Normal University | Plural resistance-capacitance (PRC) electrical discharge machining system |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL298937A (it) * | 1962-10-12 | |||
US3604903A (en) * | 1968-10-23 | 1971-09-14 | Ramsey Eng Co | Material dispensing control system |
US3697879A (en) * | 1971-08-31 | 1972-10-10 | Eltee Pulsitron | On-off pulse time control |
US3824379A (en) * | 1971-12-30 | 1974-07-16 | Nippon Gakki Siezo Kk | Variable frequency dividing circuit |
US3973104A (en) * | 1972-08-17 | 1976-08-03 | A.G. Fur Industrielle Elektronik Agie Losone B. Locarno | Apparatus for regulating an electric discharge machining gap |
US3809848A (en) * | 1972-12-14 | 1974-05-07 | Colt Ind Operating Corp | Digitally controlled power supply for electrical discharge machining apparatus |
US3809847A (en) * | 1972-12-14 | 1974-05-07 | Colt Ind Operating Corp | Method and apparatus for electrical discharge machining |
US3805012A (en) * | 1973-03-16 | 1974-04-16 | Colt Ind Operating Corp | Electrical discharge machining power supply with protective system for output switch failure |
JPS53112651A (en) * | 1977-03-12 | 1978-10-02 | Nec Corp | Variable frequency demultiplier |
US4292490A (en) * | 1977-05-06 | 1981-09-29 | Colt Industries Operating Corp. | Electrical discharge machining power supply with digitally controlled on and off time and protective system |
-
1980
- 1980-02-28 JP JP2334680A patent/JPS56120226A/ja active Granted
-
1981
- 1981-02-27 FR FR8104023A patent/FR2477341B1/fr not_active Expired
- 1981-02-27 IT IT47913/81A patent/IT1142758B/it active
- 1981-02-27 DE DE19813107580 patent/DE3107580A1/de active Granted
- 1981-02-27 US US06/238,744 patent/US4392043A/en not_active Expired - Lifetime
- 1981-03-02 GB GB8106526A patent/GB2071373B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2477341A1 (fr) | 1981-09-04 |
GB2071373A (en) | 1981-09-16 |
IT8147913A0 (it) | 1981-02-27 |
JPS56120226A (en) | 1981-09-21 |
DE3107580A1 (de) | 1981-12-24 |
GB2071373B (en) | 1984-07-11 |
DE3107580C2 (it) | 1987-06-19 |
US4392043A (en) | 1983-07-05 |
FR2477341B1 (fr) | 1986-12-19 |
JPH0245382B2 (it) | 1990-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB8409616D0 (en) | Pulse generator | |
IT1142597B (it) | Perfezionamento nelle apparecchiature di saldatura elettrica | |
GB2069395B (en) | Wire-cutting electroerosion machine | |
DE3379824D1 (en) | Short pulse generator | |
DE3167059D1 (en) | A wire-cut electric discharge machine | |
JPS5752340A (en) | Electric machine | |
IT8168399A0 (it) | Ta interruttore elettrico di prossimi | |
IT1148501B (it) | Metodo e dispositivo circuitale per la formazione di impulsi di lavorazione a scarica elettrica | |
GB2001892B (en) | Electric discharge machining method | |
IT1142758B (it) | Generatore di impulsi in particolare per lavorazione a scarica elettrica | |
EP0084356A3 (en) | Pulse generator | |
IT1142238B (it) | Metodo e dispositivo per la lavorazione a scarica elettrica | |
KR860004683A (ko) | 방전 가공기 | |
KR890701266A (ko) | 방전 가공기 | |
IT1135169B (it) | Macchina elettrica | |
GB2089201B (en) | Electrically driven toothbrush | |
JPS5785549A (en) | Electric machine | |
IT1138304B (it) | Apparecchiatura di lavorazione meccanica a scarica elettrica | |
GB2071430B (en) | Brushless ac generators | |
JPS56153949A (en) | Electric machine | |
IT8122025A0 (it) | Generatore meccanico di impulsi elettrici. | |
JPS5785547A (en) | Electric machine | |
JPS57860A (en) | Large power pulse switch unit | |
JPS57110026A (en) | Brushless ac generator | |
JPS5789573A (en) | Impact power tool structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960220 |