FR1576974A - - Google Patents

Info

Publication number
FR1576974A
FR1576974A FR1576974DA FR1576974A FR 1576974 A FR1576974 A FR 1576974A FR 1576974D A FR1576974D A FR 1576974DA FR 1576974 A FR1576974 A FR 1576974A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1576974A publication Critical patent/FR1576974A/fr
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
FR1576974D 1967-08-23 1968-08-14 Expired FR1576974A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38788/67A GB1168682A (en) 1967-08-23 1967-08-23 Improvements in Electro Erosion Machinery.

Publications (1)

Publication Number Publication Date
FR1576974A true FR1576974A (fr) 1969-08-01

Family

ID=10405695

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1576974D Expired FR1576974A (fr) 1967-08-23 1968-08-14

Country Status (4)

Country Link
US (1) US3538291A (fr)
CH (1) CH480910A (fr)
FR (1) FR1576974A (fr)
GB (1) GB1168682A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1299060A (en) * 1970-07-06 1972-12-06 Suwa Seikosha Kk An electronic driving circuit for a timepiece
JPS49102639U (fr) * 1972-12-25 1974-09-04
US4254320A (en) * 1979-04-02 1981-03-03 Colt Industries Operating Corp. Power output module for electrical discharge machining power supply circuit
GB2268647B (en) * 1992-07-02 1996-04-10 Motorola Inc Voltage controlled oscillator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277337A (en) * 1961-05-17 1966-10-04 Elox Corp Long on-time pulse cut-off circuitry for electrical discharge machining apparatus

Also Published As

Publication number Publication date
US3538291A (en) 1970-11-03
CH480910A (de) 1969-11-15
GB1168682A (en) 1969-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse