GB1329192A - Process for the electrolytic engraving of metal parts - Google Patents

Process for the electrolytic engraving of metal parts

Info

Publication number
GB1329192A
GB1329192A GB4196071A GB4196071A GB1329192A GB 1329192 A GB1329192 A GB 1329192A GB 4196071 A GB4196071 A GB 4196071A GB 4196071 A GB4196071 A GB 4196071A GB 1329192 A GB1329192 A GB 1329192A
Authority
GB
United Kingdom
Prior art keywords
electrolyte
engraved
sept
exceeding
metal parts
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
GB4196071A
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.)
SKF Compagnie dApplications Mecaniques SA
Original Assignee
SKF Compagnie dApplications Mecaniques 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 SKF Compagnie dApplications Mecaniques SA filed Critical SKF Compagnie dApplications Mecaniques SA
Publication of GB1329192A publication Critical patent/GB1329192A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/14—Etching locally
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S204/00—Chemistry: electrical and wave energy
    • Y10S204/08—AC plus DC

Abstract

1329192 Electrolytic engraving SKF COMPAGNIE D'APPLICATIONS MECANIQUES 8 Sept 1971 [8 Sept 1970] 41960/71 Heading C7B A metal part, such as an antifriction bearing component, is electrolytically engraved by connecting the part and a further electrode in contact with an electrolyte, applying alternating current for a period not exceeding 0À5 second and immediately thereafter applying D.C. current with the part connected as anode each voltage not exceeding 30 volts. The electrolyte may be a solution of sodium nitrite with a complex-forming agent. The apparatus may comprise a bell jar containing the electrolyte and a counter electrode, the open mouth of the jar being applied to the part to be engraved. A switch, which may be operated automatically after a pre-set time, applies A. C. and then D. C. through a bridge rectifier and transformer.
GB4196071A 1970-09-08 1971-09-08 Process for the electrolytic engraving of metal parts Expired GB1329192A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7032618A FR2104939B1 (en) 1970-09-08 1970-09-08

Publications (1)

Publication Number Publication Date
GB1329192A true GB1329192A (en) 1973-09-05

Family

ID=9061043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4196071A Expired GB1329192A (en) 1970-09-08 1971-09-08 Process for the electrolytic engraving of metal parts

Country Status (7)

Country Link
US (1) US3748239A (en)
JP (1) JPS509734B1 (en)
DE (1) DE2144735C3 (en)
FR (1) FR2104939B1 (en)
GB (1) GB1329192A (en)
IT (1) IT960523B (en)
SE (1) SE366774B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110190A (en) * 1975-08-11 1978-08-29 Ultra Centrifuge Nederland N.V. Apparatus for machining electrically conducting substances by electrochemical attack
NL7509529A (en) * 1975-08-11 1977-02-15 Ultra Centrifuge Nederland Nv PROCESS FOR PROCESSING ELECTRICALLY CONDUCTIVE MATERIALS BY ELECTROCHEMICAL DETERMINATION.
US4067790A (en) * 1975-12-11 1978-01-10 Skf Compagnie D'applications Mecaniques Method of electrolytically marking metallic articles
US4206028A (en) * 1976-12-14 1980-06-03 Inoue-Japax Research Incorporated Electrochemical polishing system

Also Published As

Publication number Publication date
FR2104939A1 (en) 1972-04-28
JPS509734B1 (en) 1975-04-15
IT960523B (en) 1973-11-30
DE2144735B2 (en) 1974-01-24
US3748239A (en) 1973-07-24
DE2144735A1 (en) 1972-03-16
FR2104939B1 (en) 1973-11-23
SE366774B (en) 1974-05-06
DE2144735C3 (en) 1974-08-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee