FR2477341B1 - Generateur d'impulsions, en particulier pour machines d'usinage a decharges electriques - Google Patents

Generateur d'impulsions, en particulier pour machines d'usinage a decharges electriques

Info

Publication number
FR2477341B1
FR2477341B1 FR8104023A FR8104023A FR2477341B1 FR 2477341 B1 FR2477341 B1 FR 2477341B1 FR 8104023 A FR8104023 A FR 8104023A FR 8104023 A FR8104023 A FR 8104023A FR 2477341 B1 FR2477341 B1 FR 2477341B1
Authority
FR
France
Prior art keywords
pulse generator
electric shock
machinery machines
machinery
machines
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
FR8104023A
Other languages
English (en)
French (fr)
Other versions
FR2477341A1 (fr
Inventor
Kiyoshi Inoue
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.)
Inoue Japax Research Inc
Original Assignee
Inoue Japax Research Inc
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 Research Inc filed Critical Inoue Japax Research Inc
Publication of FR2477341A1 publication Critical patent/FR2477341A1/fr
Application granted granted Critical
Publication of FR2477341B1 publication Critical patent/FR2477341B1/fr
Expired legal-status Critical Current

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)
FR8104023A 1980-02-28 1981-02-27 Generateur d'impulsions, en particulier pour machines d'usinage a decharges electriques Expired FR2477341B1 (fr)

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
FR2477341A1 FR2477341A1 (fr) 1981-09-04
FR2477341B1 true FR2477341B1 (fr) 1986-12-19

Family

ID=12108018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8104023A Expired FR2477341B1 (fr) 1980-02-28 1981-02-27 Generateur d'impulsions, en particulier pour machines d'usinage a decharges electriques

Country Status (6)

Country Link
US (1) US4392043A (en:Method)
JP (1) JPS56120226A (en:Method)
DE (1) DE3107580A1 (en:Method)
FR (1) FR2477341B1 (en:Method)
GB (1) GB2071373B (en:Method)
IT (1) IT1142758B (en:Method)

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
WO1992000826A1 (en) * 1990-07-13 1992-01-23 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 (en:Method) * 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
IT1142758B (it) 1986-10-15
IT8147913A0 (it) 1981-02-27
GB2071373B (en) 1984-07-11
JPH0245382B2 (en:Method) 1990-10-09
GB2071373A (en) 1981-09-16
FR2477341A1 (fr) 1981-09-04
DE3107580C2 (en:Method) 1987-06-19
JPS56120226A (en) 1981-09-21
US4392043A (en) 1983-07-05
DE3107580A1 (de) 1981-12-24

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Legal Events

Date Code Title Description
ST Notification of lapse