DE688486C - Process for the electrolytic oxidation of fine wires - Google Patents

Process for the electrolytic oxidation of fine wires

Info

Publication number
DE688486C
DE688486C DE1938D0078682 DED0078682D DE688486C DE 688486 C DE688486 C DE 688486C DE 1938D0078682 DE1938D0078682 DE 1938D0078682 DE D0078682 D DED0078682 D DE D0078682D DE 688486 C DE688486 C DE 688486C
Authority
DE
Germany
Prior art keywords
fine wires
electrolytic oxidation
wire
support member
power supply
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
DE1938D0078682
Other languages
German (de)
Inventor
Fritz Duerr
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.)
Langbein Pfanhauser Werke AG
Original Assignee
Langbein Pfanhauser Werke AG
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 Langbein Pfanhauser Werke AG filed Critical Langbein Pfanhauser Werke AG
Priority to DE1938D0078682 priority Critical patent/DE688486C/en
Application granted granted Critical
Publication of DE688486C publication Critical patent/DE688486C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/30—Anodisation of magnesium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/06—Wires; Strips; Foils
    • C25D7/0607—Wires
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/02—Controlling by changing the air or fuel supply
    • F02D2700/0269—Controlling by changing the air or fuel supply for air compressing engines with compression ignition
    • F02D2700/0282—Control of fuel supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/02—Controlling by changing the air or fuel supply
    • F02D2700/0269—Controlling by changing the air or fuel supply for air compressing engines with compression ignition
    • F02D2700/0282—Control of fuel supply
    • F02D2700/0284—Control of fuel supply by acting on the fuel pump control element
    • F02D2700/0289—Control of fuel supply by acting on the fuel pump control element depending on the pressure of a gaseous or liquid medium

Description

Verfahren zur elektrolytischen Oxydation von Feindrähten Gegenstand der Erfindung ist eine weitere Ausgestaltung des Verfahrens zur elektrolytischen Oxydation von Feindrähten, bei wel= chem der zu behandelnde Draht auf eine als Stromzuführung dienende, den Draht in eine Vielzahl von parallel geschalteten kleinen Drahtstücken teilende haspelartige Tragvorrichtung aufgewickelt und ,auf dieser Vorrichtung oxydiert wird. Bisher war es nicht möglich gewesen, Feindrähte aus Leichtmetall, z. B. aus Aluminium, Aluminiumlegierungen oder Magnesium, elektrolytisch zu oxydieren, da die dünnen Drähte die für die Behandlung erforderlichen Stromstärken nicht vertrugen und durch die ,auftretende große Erwärmung zerstört wurden.Process for the electrolytic oxidation of fine wires. Object The invention is a further embodiment of the method for electrolytic Oxidation of fine wires, where the wire to be treated is used as a power supply serving, the wire into a multitude of small pieces of wire connected in parallel dividing reel-like support device wound up and oxidized on this device will. So far it has not been possible to use fine wires made of light metal, e.g. B. off Aluminum, aluminum alloys or magnesium, to be oxidized electrolytically, there the thin wires could not tolerate the currents required for the treatment and were destroyed by the great warming that occurred.

Es wurde nun weiter gefunden, daß .an Stelle eines Haspels .als Tragvorrichtung für den zu behandelnden Draht und als Mittel zur Stromzuführung auch eine zylindrische Walze Verwendung finden. kann. Die Oxydschicht wächst nämlich von der Seite her so dicht an die Kontaktstellen heran, daß z. B. bei Färbungen die durch die Kontaktstelle bedingte Unterbrechung der Oxydschicht mit freiem Auge nicht erkannt werden kann. Es spielt demnach auch praktisch keine Rolle, ob an Stelle der Punktberührung beim Haspel eine linienförmige Berührung bei der Tragwalze tritt. Das den Gegenstand der Erfindung bildende Verfahren besteht demgemäß darin, daß der Draht auf ein walzenartiges Tragorgan mit ' zylindrischer Oberfläche gewickelt und in aufgewickeltem Zustand der elektrolytischen Behandlung unterworfenwird, wobei die Stromzuführung über das Tragorgan erfolgt. Die Bewicklung des Tragorgans kann sowohl vor Einsetzen desselben in das Bad als auch im Bade selbst erfolgen.It has now been found that .in place of a reel .as a carrying device for the wire to be treated and as a means for power supply also a cylindrical one Find roller use. can. The oxide layer grows from the side so close to the contact points that z. B. in the case of stains caused by the contact point Conditional interruption of the oxide layer cannot be seen with the naked eye. It is therefore practically irrelevant whether instead of the point contact with Reel makes a linear contact with the support roller. That the subject The invention forming method is accordingly that the wire on a roller-like Support member with 'cylindrical surface wound and in the wound state is subjected to the electrolytic treatment, the power supply via the Support organ takes place. The wrapping of the supporting organ can be done both before it is inserted in the bath as well as in the bath itself.

Claims (1)

PATENTANSPRUCH: Verfahren. zur elektrolytischen Oxydation von Feindrähten :aus Leichtmetallen, wie Aluminium, Magnesium o. dgi., dadurch gekennzeichnet, daß der Draht in einer oder in mehreren Windungen auf ein walzenartiges Tragorgan mit zylindrischer Oberfläche gewickelt und in aufgewickeltem Zustand der elektrolytischen Behandlung unterworfen wird, wobei die Stromzuführung über das Tragorgan erfolgt.PATENT CLAIM: Process. for the electrolytic oxidation of fine wires : made of light metals such as aluminum, magnesium o. dgi., characterized in that the wire in one or more turns on a roller-like support member with cylindrical surface wound and in the wound state of the electrolytic Treatment is subjected, the power supply being carried out via the support member.
DE1938D0078682 1937-09-15 1938-08-14 Process for the electrolytic oxidation of fine wires Expired DE688486C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1938D0078682 DE688486C (en) 1937-09-15 1938-08-14 Process for the electrolytic oxidation of fine wires

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE207081X 1937-09-15
DE81237X 1937-12-08
DE200438X 1938-04-20
DE250538X 1938-05-25
DE210638X 1938-06-21
DE130838X 1938-08-13
DE1938D0078682 DE688486C (en) 1937-09-15 1938-08-14 Process for the electrolytic oxidation of fine wires

Publications (1)

Publication Number Publication Date
DE688486C true DE688486C (en) 1940-02-22

Family

ID=27561243

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1938D0078682 Expired DE688486C (en) 1937-09-15 1938-08-14 Process for the electrolytic oxidation of fine wires

Country Status (1)

Country Link
DE (1) DE688486C (en)

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