FR81645E - Perfectionnements aux machines d'usinage par étincelage - Google Patents

Perfectionnements aux machines d'usinage par étincelage

Info

Publication number
FR81645E
FR81645E FR897551A FR897551A FR81645E FR 81645 E FR81645 E FR 81645E FR 897551 A FR897551 A FR 897551A FR 897551 A FR897551 A FR 897551A FR 81645 E FR81645 E FR 81645E
Authority
FR
France
Prior art keywords
edm machining
machining machines
machines
edm
machining
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
FR897551A
Other languages
English (en)
Inventor
Albert Martin
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
Priority to BE632237D priority Critical patent/BE632237A/xx
Priority claimed from FR822721A external-priority patent/FR1260650A/fr
Priority to DE1961M0048516 priority patent/DE1299499B/de
Priority to CH374861A priority patent/CH372114A/fr
Priority to GB4254561A priority patent/GB941272A/en
Application filed filed Critical
Priority to FR897551A priority patent/FR81645E/fr
Priority to CH602063A priority patent/CH414032A/fr
Application granted granted Critical
Publication of FR81645E publication Critical patent/FR81645E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2847—Sheets; Strips
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/04—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback
    • H03K3/05—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback
    • H03K3/06—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/08—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of vacuum tubes only, with positive feedback using means other than a transformer for feedback using at least two tubes so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
    • H03K3/543—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a vacuum tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Generation Of Surge Voltage And Current (AREA)
FR897551A 1960-03-29 1962-05-15 Perfectionnements aux machines d'usinage par étincelage Expired FR81645E (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BE632237D BE632237A (fr) 1960-03-29
DE1961M0048516 DE1299499B (de) 1960-03-29 1961-03-25 Impulsgenerator fuer Elektroerosionsmaschinen
CH374861A CH372114A (fr) 1960-03-29 1961-03-29 Machine d'usinage par étincelles
GB4254561A GB941272A (en) 1960-03-29 1961-11-28 Improvements in or relating to spark erosion machines
FR897551A FR81645E (fr) 1960-03-29 1962-05-15 Perfectionnements aux machines d'usinage par étincelage
CH602063A CH414032A (fr) 1960-03-29 1963-05-14 Machine d'usinage par étincelles électriques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR822721A FR1260650A (fr) 1960-03-29 1960-03-29 Perfectionnements aux machines d'usinage par étincelage
FR897551A FR81645E (fr) 1960-03-29 1962-05-15 Perfectionnements aux machines d'usinage par étincelage

Publications (1)

Publication Number Publication Date
FR81645E true FR81645E (fr) 1963-10-18

Family

ID=26185473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR897551A Expired FR81645E (fr) 1960-03-29 1962-05-15 Perfectionnements aux machines d'usinage par étincelage

Country Status (4)

Country Link
BE (1) BE632237A (fr)
CH (2) CH372114A (fr)
DE (1) DE1299499B (fr)
FR (1) FR81645E (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2104327B (en) * 1981-08-08 1984-12-19 Marconi Co Ltd Pulse circuits

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE498151C (de) * 1927-03-06 1930-05-19 Siemens Schuckertwerke Akt Ges Doppelspule von ungerader Windungszahl fuer Transformatoren mit Scheibenwicklung
GB789442A (en) * 1953-06-22 1958-01-22 Sparcatron Ltd Improvements in or relating to apparatus for cutting or working electrically conductive materials
US2835784A (en) * 1954-07-21 1958-05-20 Firth Sterling Inc Spark machining apparatus
NL94837C (fr) * 1954-10-01

Also Published As

Publication number Publication date
DE1299499B (de) 1969-07-17
CH414032A (fr) 1966-05-31
CH372114A (fr) 1963-09-30
BE632237A (fr)

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