GB1330418A - Electro-discharge machining - Google Patents

Electro-discharge machining

Info

Publication number
GB1330418A
GB1330418A GB5297771A GB5297771A GB1330418A GB 1330418 A GB1330418 A GB 1330418A GB 5297771 A GB5297771 A GB 5297771A GB 5297771 A GB5297771 A GB 5297771A GB 1330418 A GB1330418 A GB 1330418A
Authority
GB
United Kingdom
Prior art keywords
transistor
discharge
gap
transistors
capacitor
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
GB5297771A
Other languages
English (en)
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.)
Milacron Inc
Original Assignee
Milacron 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 Milacron Inc filed Critical Milacron Inc
Publication of GB1330418A publication Critical patent/GB1330418A/en
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
    • B23H1/024—Detection of, and response to, abnormal gap conditions, e.g. short circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
GB5297771A 1970-12-04 1971-11-15 Electro-discharge machining Expired GB1330418A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9529670A 1970-12-04 1970-12-04

Publications (1)

Publication Number Publication Date
GB1330418A true GB1330418A (en) 1973-09-19

Family

ID=22251225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5297771A Expired GB1330418A (en) 1970-12-04 1971-11-15 Electro-discharge machining

Country Status (7)

Country Link
US (1) US3624337A (enExample)
AU (1) AU454100B2 (enExample)
CH (1) CH540089A (enExample)
DE (1) DE2155261A1 (enExample)
FR (1) FR2117411A5 (enExample)
GB (1) GB1330418A (enExample)
NL (1) NL7115026A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322595A (en) 1980-07-29 1982-03-30 National Research Development Corporation Arc monitor for electrical discharge machining
US4346278A (en) 1977-12-13 1982-08-24 National Research Development Corporation Methods and apparatus for electrical discharge machining
US4443680A (en) * 1980-04-02 1984-04-17 El Menshawy Mohamed F Methods and apparatus for electrical discharge machining

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539755A (en) * 1967-11-14 1970-11-10 Inoue K Electrical discharge machining pulse control method and apparatus
US3809848A (en) * 1972-12-14 1974-05-07 Colt Ind Operating Corp Digitally controlled power supply for electrical discharge machining apparatus
CH585608A5 (enExample) * 1973-12-04 1977-03-15 Deckel Ag Friedrich
US4236057A (en) * 1976-12-14 1980-11-25 Inoue-Japax Research Incorporated Apparatus for detecting gap conditions in EDM processes with monitoring pulses
CH655032A5 (fr) * 1982-06-30 1986-03-27 Mitsubishi Electric Corp Machine a decharge electrique pour electro-erosion.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1128063B (de) * 1959-08-27 1962-04-19 Inoue K Schaltanordnung fuer Elektro-Erosion mit pulsierendem Gleichstrom

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346278A (en) 1977-12-13 1982-08-24 National Research Development Corporation Methods and apparatus for electrical discharge machining
US4443680A (en) * 1980-04-02 1984-04-17 El Menshawy Mohamed F Methods and apparatus for electrical discharge machining
US4322595A (en) 1980-07-29 1982-03-30 National Research Development Corporation Arc monitor for electrical discharge machining

Also Published As

Publication number Publication date
US3624337A (en) 1971-11-30
AU454100B2 (en) 1974-10-17
DE2155261A1 (de) 1972-06-15
FR2117411A5 (enExample) 1972-07-21
NL7115026A (enExample) 1972-06-06
AU3536871A (en) 1973-05-10
CH540089A (de) 1973-08-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees