GB1338221A - Electrochemical machinery - Google Patents

Electrochemical machinery

Info

Publication number
GB1338221A
GB1338221A GB4420769A GB4420769A GB1338221A GB 1338221 A GB1338221 A GB 1338221A GB 4420769 A GB4420769 A GB 4420769A GB 4420769 A GB4420769 A GB 4420769A GB 1338221 A GB1338221 A GB 1338221A
Authority
GB
United Kingdom
Prior art keywords
electrode
workpiece
conductive
electrochemical machinery
vanes
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
GB4420769A
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.)
International Research and Development Co Ltd
Original Assignee
International Research and Development Co Ltd
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 International Research and Development Co Ltd filed Critical International Research and Development Co Ltd
Priority to GB4420769A priority Critical patent/GB1338221A/en
Publication of GB1338221A publication Critical patent/GB1338221A/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
    • B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte

Landscapes

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

Abstract

1338221 Electro-chemical machining INTERNATIONAL RESEARCH & DEVELOPMENT CO Ltd 4 Dec 1970 [8 Sept 1969] 44207/69 Heading C7B A workpiece at least part of which is submerged in e.g. sea water is machined or cleaned by a rotating electrode 2 which is movable towards and away from the workpiece, and has vanes 11 for forcing the electrolyte through the gap between the electrode and the workpiece. The electrode may be supported against the workpiece by arms 7 pivoted to magnet 8. The electrode comprises non-conductive abrasive particles e.g. diamond or tungsten carbide in a conductive matrix of e.g. copper or nickel. The electrode is rotated by an air-operated turbine.
GB4420769A 1970-12-04 1970-12-04 Electrochemical machinery Expired GB1338221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4420769A GB1338221A (en) 1970-12-04 1970-12-04 Electrochemical machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4420769A GB1338221A (en) 1970-12-04 1970-12-04 Electrochemical machinery

Publications (1)

Publication Number Publication Date
GB1338221A true GB1338221A (en) 1973-11-21

Family

ID=10432268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4420769A Expired GB1338221A (en) 1970-12-04 1970-12-04 Electrochemical machinery

Country Status (1)

Country Link
GB (1) GB1338221A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487671A (en) * 1981-04-15 1984-12-11 National Research Development Corporation Methods and apparatus for the electrical machining of a workpiece
GB2174945A (en) * 1985-03-11 1986-11-19 Oilfield Inspection Services Electrochemical machining of subsea pipe
GB2183191A (en) * 1985-11-07 1987-06-03 Nei International Research & D Electrochemical cutting
US6913683B2 (en) * 2000-02-21 2005-07-05 Van Doorne's Transmissie B.V. Method and device for the production of pipe segments from a hollow pipe

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4487671A (en) * 1981-04-15 1984-12-11 National Research Development Corporation Methods and apparatus for the electrical machining of a workpiece
GB2174945A (en) * 1985-03-11 1986-11-19 Oilfield Inspection Services Electrochemical machining of subsea pipe
GB2183191A (en) * 1985-11-07 1987-06-03 Nei International Research & D Electrochemical cutting
GB2183191B (en) * 1985-11-07 1989-09-27 Nei International Research & D Electrochemical cutting
US6913683B2 (en) * 2000-02-21 2005-07-05 Van Doorne's Transmissie B.V. Method and device for the production of pipe segments from a hollow pipe

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years