GB882576A - Process and apparatus for producing perforations of very small section by spark-erosion - Google Patents

Process and apparatus for producing perforations of very small section by spark-erosion

Info

Publication number
GB882576A
GB882576A GB7690/60A GB769060A GB882576A GB 882576 A GB882576 A GB 882576A GB 7690/60 A GB7690/60 A GB 7690/60A GB 769060 A GB769060 A GB 769060A GB 882576 A GB882576 A GB 882576A
Authority
GB
United Kingdom
Prior art keywords
workpiece
electrodes
erosion
spark
holes
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
GB7690/60A
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB882576A publication Critical patent/GB882576A/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
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/14—Making holes

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
GB7690/60A 1959-03-09 1960-03-04 Process and apparatus for producing perforations of very small section by spark-erosion Expired GB882576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR788776A FR1228210A (fr) 1959-03-09 1959-03-09 Procédé et dispositifs pour la réalisation de perforations de très petite section

Publications (1)

Publication Number Publication Date
GB882576A true GB882576A (en) 1961-11-15

Family

ID=8712207

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7690/60A Expired GB882576A (en) 1959-03-09 1960-03-04 Process and apparatus for producing perforations of very small section by spark-erosion

Country Status (5)

Country Link
US (1) US3098148A (US20100056889A1-20100304-C00004.png)
BE (1) BE588442A (US20100056889A1-20100304-C00004.png)
FR (1) FR1228210A (US20100056889A1-20100304-C00004.png)
GB (1) GB882576A (US20100056889A1-20100304-C00004.png)
NL (1) NL249220A (US20100056889A1-20100304-C00004.png)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322185A (en) * 1963-04-22 1967-05-30 Gen Motors Corp Method of making electrical discharge machining electrodes
US3399443A (en) * 1964-05-27 1968-09-03 Chrysler Corp Turbine wheel
US3538289A (en) * 1964-06-22 1970-11-03 Minimation Inc Apparatus for and method of electro-erosion machining
US3601572A (en) * 1965-10-22 1971-08-24 Raycon Corp Electrode-replenishing apparatus for electrical discharge machining
US3517153A (en) * 1967-06-07 1970-06-23 Raycon Corp Wire electrode holder assembly
US3590204A (en) * 1968-05-16 1971-06-29 Oconnor Thomas John Structure for electroerosive machining with rotating tubular electrodes
US3604883A (en) * 1969-03-26 1971-09-14 Engineered Models Corp Multiple electrode assembly for electrical discharge machining
US3619543A (en) * 1970-02-18 1971-11-09 Int Harvester Co Positioning fixture to facilitate nozzle drilling by edm
US3729609A (en) * 1971-02-08 1973-04-24 Raycon Corp Multi-electrode electrical discharge machining apparatus
GB1556441A (en) * 1975-03-15 1979-11-21 Amchem Co Ltd Cartridge for electrical discharge machining apparatus
DE2851505C2 (de) * 1978-11-29 1983-11-17 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zur Herstellung einer Vielfachdüsenanordnung mittels Funkenerosion
DE3233994C2 (de) * 1982-09-14 1984-12-06 Martin Dipl.-Ing. 7140 Ludwigsburg Maier Verfahren zum Herstellen von Mikrobohrungen im μ-Bereich unter Anwendung der Funkenerosion
US4676719A (en) * 1985-12-23 1987-06-30 United Technologies Corporation Film coolant passages for cast hollow airfoils
US4653983A (en) * 1985-12-23 1987-03-31 United Technologies Corporation Cross-flow film cooling passages
US4669957A (en) * 1985-12-23 1987-06-02 United Technologies Corporation Film coolant passage with swirl diffuser
US4726735A (en) * 1985-12-23 1988-02-23 United Technologies Corporation Film cooling slot with metered flow
US4650949A (en) * 1985-12-23 1987-03-17 United Technologies Corporation Electrode for electrical discharge machining film cooling passages in an airfoil
US4705455A (en) * 1985-12-23 1987-11-10 United Technologies Corporation Convergent-divergent film coolant passage
US4738588A (en) * 1985-12-23 1988-04-19 Field Robert E Film cooling passages with step diffuser
US4664597A (en) * 1985-12-23 1987-05-12 United Technologies Corporation Coolant passages with full coverage film cooling slot
US4684323A (en) * 1985-12-23 1987-08-04 United Technologies Corporation Film cooling passages with curved corners
US11454480B1 (en) * 2019-06-12 2022-09-27 Corvid Technologies LLC Methods for forming munitions casings and casings and munitions formed thereby

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427588A (en) * 1942-10-17 1947-09-16 United Aircraft Corp Apparatus for burning holes in metal
US2438941A (en) * 1946-12-23 1948-04-06 Us Commerce Diamond die production and the like
US2552582A (en) * 1946-12-23 1951-05-15 Chauncey G Peters Dry drilling of diamonds and the like
US2783411A (en) * 1955-12-09 1957-02-26 Elox Corp Servo feed for multiple electrodes
BE555463A (US20100056889A1-20100304-C00004.png) * 1956-03-02

Also Published As

Publication number Publication date
NL249220A (US20100056889A1-20100304-C00004.png)
US3098148A (en) 1963-07-16
FR1228210A (fr) 1960-08-29
BE588442A (fr) 1960-09-08

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