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GB1159757A - Electro-Erosive Machining. - Google Patents

Electro-Erosive Machining.

Info

Publication number
GB1159757A
GB1159757A GB23970/67A GB2397067A GB1159757A GB 1159757 A GB1159757 A GB 1159757A GB 23970/67 A GB23970/67 A GB 23970/67A GB 2397067 A GB2397067 A GB 2397067A GB 1159757 A GB1159757 A GB 1159757A
Authority
GB
United Kingdom
Prior art keywords
oxygen
supplied
workpiece
erosion
pulleys
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
GB23970/67A
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of GB1159757A publication Critical patent/GB1159757A/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
    • B23H1/08—Working media
    • 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
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/02—Wire-cutting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

1,159,757. Electro erosion. MONSANTO CO. 23 May, 1967 [27 May, 1966], No. 23970/67. Heading B3V. In an electro-erosion process, oxygen or a gas containing free oxygen is supplied to the erosion gap. The invention is of particular use in forming various shaped apertures, Fig. 4 (not shown) in a stainless steel or titanium workpiece 9 to be used as a spinneret. This workpiece is supported on a table 10 adjustable horizontally in all directions by means 10a. The electrode comprises a wire 2 of molybdenum, nickel alloy or tungsten, passing over insulated pulleys 2, 3 and connected through spring 5 to a fixed point 6 and also to an eccentric pin 7 on driven wheel 8. Pin 7 is also connected through spring 11 to fixed point 6. Due to the rotation of pin 7, the wire electrode is reciprocated between the two pulleys, A D.C. supply, such as a primary cell, D.C. generator, or A.C. source with a rectifier, is connected to the point 6 and to the workpiece. The latter has a pilot hole for receiving the wire and the shape of the aperture is determined by a template 13 or by a pantograph mechanism. Oxygen or a mixture of oxygen and nitrogen is supplied to the gap through tube 12. In another embodiment, Fig 2 (not shown) the pulleys are of metal and are connected to the negative side of the D.C. source. Oxygen gas is supplied to a housing (14), (17) enclosing the erosion gap. In a further embodiment, Fig. 3 (not shown) the oxygen gas is supplied through separate tubes to both sides of the workpiece. Specific examples are given for machining with different percentages and quantities of oxygen.
GB23970/67A 1966-05-27 1967-05-23 Electro-Erosive Machining. Expired GB1159757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55336966A 1966-05-27 1966-05-27

Publications (1)

Publication Number Publication Date
GB1159757A true GB1159757A (en) 1969-07-30

Family

ID=24209150

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23970/67A Expired GB1159757A (en) 1966-05-27 1967-05-23 Electro-Erosive Machining.

Country Status (9)

Country Link
US (1) US3493710A (en)
AT (1) AT265459B (en)
BE (1) BE699141A (en)
CH (1) CH520541A (en)
DE (1) DE1690601A1 (en)
GB (1) GB1159757A (en)
IL (1) IL28038A (en)
LU (1) LU53761A1 (en)
NL (2) NL6707389A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2705217A1 (en) * 1976-03-01 1977-09-15 Matsushita Electric Ind Co Ltd Dynamic unbalance elimination appts. for rotor - uses response sensor for automatic determination of unbalance and laser oscillator to heat correcting position
RU2346080C2 (en) * 2007-01-25 2009-02-10 Открытое Акционерное Общество "Корпорация Всмпо-Ависма" Modification method of products surface made of titanium alloy

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH560574A5 (en) * 1973-09-11 1975-04-15 Agie Ag Ind Elektronik
GB1548817A (en) * 1976-05-14 1979-07-18 Inoue Japax Res Electrical discharge maschining
CH640161A5 (en) * 1978-04-18 1983-12-30 Agie Ag Ind Elektronik METHOD AND DEVICE FOR FLUSHING THE MACHINING ZONE IN EDM CUTTING.
JPS5639822A (en) * 1979-08-30 1981-04-15 Inoue Japax Res Inc Electric wire cutter
US4527035A (en) * 1981-07-30 1985-07-02 Corning Glass Works Wire electrical discharge machine flushing process and apparatus
JPS58202724A (en) * 1982-05-06 1983-11-26 Mitsubishi Electric Corp Automatic wire feeding device for wire cut electrical discharge machining equipment
CN103084680B (en) * 2013-02-07 2017-02-08 哈尔滨理工大学 Method for improving quality of wire cut electrical discharge machining by adopting multimedia
CN105840062B (en) * 2016-05-12 2020-05-01 成都点石创想科技有限公司 Door with self-destruction function in emergency
DE102024201260A1 (en) * 2024-02-12 2025-08-14 Hochschule Furtwangen, Körperschaft des öffentlichen Rechts Method and machine tool for producing a dressing tool

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US76191A (en) * 1868-03-31 Hermann d
US1839647A (en) * 1931-02-07 1932-01-05 Reginald B Smith Jig saw
US2059236A (en) * 1932-08-13 1936-11-03 Electric Arc Cutting & Welding Method of machining by electric current
US2934631A (en) * 1955-06-30 1960-04-26 Imalis Rose Electrolytic metal shaping
US2906853A (en) * 1957-12-06 1959-09-29 Air Reduction Electric arc cutting
US3087043A (en) * 1960-06-23 1963-04-23 Engelhard Ind Inc Method of making spinnerettes
US3366771A (en) * 1963-08-26 1968-01-30 Int Standard Electric Corp Spark-erosion machining

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2705217A1 (en) * 1976-03-01 1977-09-15 Matsushita Electric Ind Co Ltd Dynamic unbalance elimination appts. for rotor - uses response sensor for automatic determination of unbalance and laser oscillator to heat correcting position
RU2346080C2 (en) * 2007-01-25 2009-02-10 Открытое Акционерное Общество "Корпорация Всмпо-Ависма" Modification method of products surface made of titanium alloy

Also Published As

Publication number Publication date
US3493710A (en) 1970-02-03
NL6707389A (en) 1967-11-28
CH520541A (en) 1972-03-31
AT265459B (en) 1968-10-10
BE699141A (en) 1967-11-29
DE1690601A1 (en) 1972-03-16
NL7308891A (en) 1973-09-25
LU53761A1 (en) 1967-09-08
IL28038A (en) 1971-01-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE Patent expired