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DE719955C - Enamelled wire - Google Patents

Enamelled wire

Info

Publication number
DE719955C
DE719955C DEN41590D DEN0041590D DE719955C DE 719955 C DE719955 C DE 719955C DE N41590 D DEN41590 D DE N41590D DE N0041590 D DEN0041590 D DE N0041590D DE 719955 C DE719955 C DE 719955C
Authority
DE
Germany
Prior art keywords
wire
copper
enamelled wire
enamelled
coils
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
DEN41590D
Other languages
German (de)
Inventor
Dr Johannes Hoekstra
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Patentverwaltung GmbH
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 Philips Patentverwaltung GmbH filed Critical Philips Patentverwaltung GmbH
Priority to DEN41590D priority Critical patent/DE719955C/en
Application granted granted Critical
Publication of DE719955C publication Critical patent/DE719955C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/10Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
    • H01B3/105Wires with oxides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/026Alloys based on copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Insulated Conductors (AREA)

Description

Lackdraht Weitverbreitete Anwendung hat der sog. Lackdraht gefunden, d. h. ein mit einer gut isolierenden Lackschicht überzogener Metalldraht. Dieser Metalldraht wird beim Aufbringen der Lackschicht erhitzt, um den im allgemeinten ein trocknendes Ölenthaltenden Lack in den gewünschten Zustand zu bringen.Enamelled wire The so-called enamelled wire has found widespread use, d. H. a metal wire coated with a well-insulating layer of lacquer. This Metal wire is heated when the lacquer layer is applied, to the general to bring a drying oil-containing varnish into the desired condition.

Bisher wurde für Leitungen und Spulen als Kern. allgemein ein -Kupferdraht benutzt, nveckmäBig ein elektrolytischer Kupferdraht wegen der großen Leitfähigkeit dieses sehr leinen Kupfers.Previously, lines and coils were used as the core. generally a copper wire Uses an electrolytic copper wire because of its high conductivity this very linen copper.

Bei der erwähnten Erhitzung des Lacks finden. vielfach Temperaturen Anwendung, bei denen ein, Anlassen des Kupferdrahtes reintritt, da die Anlaßtemperatur infolge der Kaltverformung beim Ziehen :des Drahtes. zu kleinen Duzchmessiern, z. B. kleiner als i oo ,u, niedriger liegt als vor dem Ziehvorgang. Dieses Anlassen des elektrolytischen Kupfers beim Lackieren ist einerseits vorteilhaft, weil man zum Wickeln von. Spulen vorzugsweise keinen harten Draht verwendet, da bei der - Wicklung oft auftretende Ruckerscheinungen, z. B. bei der Herstellung kantiger Spulen, von den in Betracht kommenden ganz dünnen Drähten nicht gut ertragen werden, wenn diese Drähte keine Dehnung zulassen. Andererseits aber ist das Anlassen des -elektrolytischen Kupfers nachteilig, da für die erwähnten dünnen Drähte mit einem Durchmesser von weniger als ioofs dieZugfestigkeit des angelassenen Kupfers im Hinblick auf die Verarbeitung z. B. zu Spulen sehr niedrig geworden ist.Find when the paint is heated up. multiple temperatures Applications in which a tempering of the copper wire occurs because the tempering temperature as a result of the cold deformation during drawing: the wire. too small Duzchmessiern, z. B. less than i oo, u, lower than before the drawing process. This starting of electrolytic copper when painting is advantageous on the one hand, because one for winding. Bobbins preferably do not use hard wire, as the - Winding jerks that often occur, e.g. B. in the production of angular coils, cannot be borne well by the very thin wires in question, if these wires do not allow any stretch. On the other hand, there is the tempering of the -electrolytic Copper is disadvantageous, as for the aforementioned thin wires with a diameter of less than ioofs the tensile strength of the tempered copper in terms of the Processing z. B. to coils has become very low.

Für die Herstellung von Lackdraht, dessen Kerndraht einen Durchmesser von weniger als i oo ,u hat, ist die Erfindung nun darin zu erblicken, daß ein Kupferkadmiumdraht mit höchstens q.ojo Käämiüm verwendet wird.For the production of enamelled wire, the core wire of which has a diameter of less than i oo, u, the invention is now in it to behold that a copper cadmium wire with a maximum of q.ojo Käämiüm is used.

Die erfindungsgemäße Verwendung der im übrigen in-'der"-Elehfrotechnlz bekannten Kupfer-Kadmium-Legierung als Kern für Lackdraht hat nun den Vorteil, daß mit größerer Geschwindigkeit gewickelt werden kann als bei weichem lackiertem Kupferdraht. Es ist daher besonders zweckmäßig, einen derartigen Kupferltadmiumdraht für Spulen zu verwenden. Ein weiterer Vorteil besteht darin, daß der Kerndraht nach der Erfindung bei der Lackierung angelassen werden kann, so daß die besagten Vorzüge einer gesteigerten Wicklungsfähigkeit unter Beibehaltung einer genügend hohen Zugfestigkeit erhalten werden, welche die des erwähnten angelassenen Kupfers bedeutend übersteigt. Obwohl die Leitfähigkeit von Silber, ebenso wie die des Kupferkadmiums, wenig von der des Kupfers verschieden ist, sind Silber bzw. Kupfersilber weniger geeignet, weil diese Met.alle unter sonst gleichen Umständen beim l..äckieren nicht anlassen; Kupfersilber hat 'ferner noch den Nachteil, daß -es stark von Feuchtigkeit angegriffen wird.The use according to the invention of the otherwise in-'der "-Elehfrotechnlz known copper-cadmium alloy as a core for enamelled wire now has the advantage that can be wound at greater speed than soft enamelled copper wire. It is therefore particularly expedient to use such a copper atadmium wire for coils to use. Another advantage is that the core wire according to the invention can be tempered during painting, so that the said benefits of increased Maintain winding ability while maintaining a sufficiently high tensile strength which significantly exceeds that of the tempered copper mentioned. Even though the conductivity of silver, like that of copper cadmium, is little different from that of des Copper is different, silver or copper silver are less suitable because they Do not leave any metals under the same conditions when painting; Copper silver also has the disadvantage that it is strongly attacked by moisture.

Claims (1)

PATENTANSPRÜCHE: i. Lackdraht mit einem Kerndurchniesser' von weniger als loo ic, dadurch gekem@zeichnet, daß der Kerndraht aus Kupferkadmium mit höchstens 4@lo Kadmium besteht. Die Verwendung des Lackdrahtes nach Anspruch r für Spulen.PATENT CLAIMS: i. Enamelled wire with a core diameter of less as loo ic, characterized in that the core wire is made of copper cadmium with at most 4 @ lo consists of cadmium. The use of the enamelled wire according to claim r for coils.
DEN41590D 1938-01-26 1938-01-26 Enamelled wire Expired DE719955C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEN41590D DE719955C (en) 1938-01-26 1938-01-26 Enamelled wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN41590D DE719955C (en) 1938-01-26 1938-01-26 Enamelled wire

Publications (1)

Publication Number Publication Date
DE719955C true DE719955C (en) 1942-04-21

Family

ID=7348410

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN41590D Expired DE719955C (en) 1938-01-26 1938-01-26 Enamelled wire

Country Status (1)

Country Link
DE (1) DE719955C (en)

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