IT1142758B - Generatore di impulsi in particolare per lavorazione a scarica elettrica - Google Patents

Generatore di impulsi in particolare per lavorazione a scarica elettrica

Info

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
Application number
IT47913/81A
Other languages
English (en)
Other versions
IT8147913A0 (it
Inventor
Inoue Kiyoshi
Original Assignee
Inoue Japax Res
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 Inoue Japax Res filed Critical Inoue Japax Res
Publication of IT8147913A0 publication Critical patent/IT8147913A0/it
Application granted granted Critical
Publication of IT1142758B publication Critical patent/IT1142758B/it

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K21/00Details of pulse counters or frequency dividers
    • H03K21/38Starting, stopping or resetting the counter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING 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
    • B23H1/00Electrical 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
    • B23H1/02Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges
    • B23H1/022Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for shaping the discharge pulse train
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/09Arrangements or circuits for arc welding with pulsed current or voltage
    • B23K9/091Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01Details
    • H03K3/017Adjustment of width or dutycycle of pulses
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/78Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING 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
    • B23H2300/00Power source circuits or energization
    • B23H2300/10Pulsed 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)
IT47913/81A 1980-02-28 1981-02-27 Generatore di impulsi in particolare per lavorazione a scarica elettrica IT1142758B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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