GB1339544A - Electro-chemical machine - Google Patents

Electro-chemical machine

Info

Publication number
GB1339544A
GB1339544A GB1339544DA GB1339544A GB 1339544 A GB1339544 A GB 1339544A GB 1339544D A GB1339544D A GB 1339544DA GB 1339544 A GB1339544 A GB 1339544A
Authority
GB
United Kingdom
Prior art keywords
electrolyte
workpiece
electro
nozzle
hole
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
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB1339544A publication Critical patent/GB1339544A/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
    • B23H9/16—Making holes using an electrolytic jet

Abstract

1339544 Electro-chemical machining DEFENCE SECRETARY OF STATE FOR 11 June 1971 [25 April 1970] 19993/70 Heading C7B In a method of electro-chemically machining a hole, a jet of electrolyte is discharged on to the surface of the workpiece and an electric current is passed through the workpiece and electrolyte to a point of negative potential until the hole reaches the required depth whereupon both current and electrolyte supply are switched off. The apparatus comprises a conduit having a nozzle 36 at one end and mounted on a compound slide 14. The workpiece 50 is placed on a stainless steel table 34 inside a transparent plastics box 24. The electrolyte tank 47 is made the cathode and the workpiece the anode. The potential is 600 volts. Electrolyte is pumped from tank 47 to nozzle 36 via connection 46. The conduit may be lined with a ceramic material in order to filter the electrolyte. More than one hole may be provided in the nozzle. The jet of electrolyte is discharged with sufficient momentum to break up at the point of impact into a mist so dispersed so as to be non conductive.
GB1339544D 1970-04-25 1970-04-25 Electro-chemical machine Expired GB1339544A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1999370 1970-04-25

Publications (1)

Publication Number Publication Date
GB1339544A true GB1339544A (en) 1973-12-05

Family

ID=10138550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1339544D Expired GB1339544A (en) 1970-04-25 1970-04-25 Electro-chemical machine

Country Status (4)

Country Link
DE (1) DE2119885A1 (en)
FR (1) FR2090722A5 (en)
GB (1) GB1339544A (en)
IT (1) IT960526B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010032701B4 (en) * 2010-07-29 2015-04-16 Leistritz Turbomaschinen Technik Gmbh Method and device for producing a metal component
DE102014205315A1 (en) * 2014-03-21 2015-09-24 Siemens Aktiengesellschaft Method for producing a switching contact

Also Published As

Publication number Publication date
DE2119885A1 (en) 1971-11-18
FR2090722A5 (en) 1972-01-14
IT960526B (en) 1973-11-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee