DE881558C - Arrangement for hardening objects by inductive heating - Google Patents

Arrangement for hardening objects by inductive heating

Info

Publication number
DE881558C
DE881558C DES5240D DES0005240D DE881558C DE 881558 C DE881558 C DE 881558C DE S5240 D DES5240 D DE S5240D DE S0005240 D DES0005240 D DE S0005240D DE 881558 C DE881558 C DE 881558C
Authority
DE
Germany
Prior art keywords
arrangement
inductive heating
hardening
objects
hardening objects
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
DES5240D
Other languages
German (de)
Inventor
Siegfried Dr Sc Nat Pforte
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to DES5240D priority Critical patent/DE881558C/en
Application granted granted Critical
Publication of DE881558C publication Critical patent/DE881558C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H05B6/42—Cooling of coils

Description

Zum Härten von Gegenständen ist es bekannt, diese auf induktivera Weg zu erwärmen und hierauf ahzusohrecken. Zu diesem Zweck hat man den Gegenstand dem Feld einer Induktionsspule ausgesetzt und nach erfolgtem Glühen den Gegenstand in ein. Bad befördert.For hardening objects, it is known to induce this on To warm up and then ahzusohrecken. For this purpose one has the object exposed to the field of an induction coil and, after annealing, the object in a. Bad promotes.

Die Erfindung zeigt einen anderen Weg, um das Abschrecken des geglühten Gegenstandes zu -erreichen. Gemäß der Erfindung wird zur Isolation der einzelnen, Windungen gegeneinander ein Hohlkörper aus Isoliermaterial verwendet unddieser mit Spritzöffnungen versehen. Soll das Gut abgeschreckt werden, so wird durchden Körper Wasser, Öl oder eine andere Flüssigkeit gepreßt. Es ist zwar an sich bekannt, die Wicklung der Intduktionsspule selbst als Hohlkörper auszubilden und mit Spritzöffnungen zu versehen. Die Verwendung solcher Hohlkörper ist aber teuer, und sie können währendder Glühung nicht gekühlt werden, es sei denn., daß umstündliche Vorrichtungen vorgesehen sind, welche die Spritzöffnungen während des Glühvorgangs verschließen. Durch Anwendung der Erfindung dagegen ist bei Anwendung eines Hohlleiters eine Kühlung desselben während des Glühvorgangs ohne weiteres möglich, so. daß der teure Hohlleiter gut ausgenutzt werden kann. In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Mit i ist -die Glühspule bezeichnet, die aus Hohlkupfer besteht, durch deren Hohlraum Wasser oder 01 geleitet wird. Im Innern der Spule befindet sich der zu behandelnde Körper 2. Die Wicklungen sind gegeneinander isoliert durch einen zusammeng--preßten Schlauch 3 aus Isoliermate,rial, der Spritzöffnungen4 besitzt. Durch diese Spriitzöffnungen wird nach erfolgter Glühung Wasser oder Öl auf das Gut gespritzt. Es empfiehlt sich dabei bei größerer Länge der Glühspule" die Flüssi,gkeit aicht auf der einen Seite, sondern oben ,und unten in den Hohlkörper einzuführen, um eine schnelle Abkühlung des Gutes zu erreichen. Als Spritzöffnungen können einzelne Bohrungen oder, wie im Ausführungsbeispiel dargestellt, Schlitze dienen.The invention shows another way of achieving quenching of the annealed article. According to the invention, a hollow body made of insulating material is used to isolate the individual turns from one another and this is provided with injection openings. If the product is to be quenched, water, oil or another liquid is pressed through the body. It is known per se to design the winding of the induction coil itself as a hollow body and to provide it with injection openings. The use of such hollow bodies is expensive, however, and they cannot be cooled during the annealing process, unless there are cumbersome devices which close the injection openings during the annealing process. By using the invention, on the other hand, when a waveguide is used, cooling of the same during the annealing process is readily possible, see above. that the expensive waveguide can be used well. An exemplary embodiment of the invention is shown in the drawing. With i the glow coil is referred to, which consists of hollow copper, through the cavity of which water or 01 is passed. The body 2 to be treated is located inside the coil. The windings are insulated from one another by a compressed hose 3 made of insulating material, which has injection openings4. After annealing, water or oil is sprayed onto the material through these spray openings. If the length of the glow coil is greater, it is advisable to introduce the liquid into the hollow body not on one side, but at the top and bottom, in order to achieve rapid cooling of the material , Slots serve.

Claims (1)

PATENTANSPRUCH: Anordnung zum Härten von, Gegenständen (durch induktive, Erwärmung mit Hilfe einer Glühspule und nachfolgender Abschreckung, dadurch gekennzeichnet, daß zur Isolation der einzelnen Windungen gegeneinander ein Hohlkörper verwendet wird, der mit Spritzöffnungen versehen ist. PATENT CLAIM: Arrangement for hardening objects (by inductive heating with the aid of an annealing coil and subsequent quenching, characterized in that a hollow body is used which is provided with injection openings to isolate the individual turns from one another.
DES5240D 1945-03-02 1945-03-02 Arrangement for hardening objects by inductive heating Expired DE881558C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES5240D DE881558C (en) 1945-03-02 1945-03-02 Arrangement for hardening objects by inductive heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES5240D DE881558C (en) 1945-03-02 1945-03-02 Arrangement for hardening objects by inductive heating

Publications (1)

Publication Number Publication Date
DE881558C true DE881558C (en) 1953-07-02

Family

ID=7471272

Family Applications (1)

Application Number Title Priority Date Filing Date
DES5240D Expired DE881558C (en) 1945-03-02 1945-03-02 Arrangement for hardening objects by inductive heating

Country Status (1)

Country Link
DE (1) DE881558C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074782B (en) * 1960-02-04 Magnethermic Corporation, Youngstown, Ohio (V. St. A.) Low frequency induction heater
FR2606425A1 (en) * 1986-11-07 1988-05-13 Ishikawajima Harima Heavy Ind INDUCTION HEATING COIL FOR THERMAL TREATMENT OF METAL TUBES

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074782B (en) * 1960-02-04 Magnethermic Corporation, Youngstown, Ohio (V. St. A.) Low frequency induction heater
FR2606425A1 (en) * 1986-11-07 1988-05-13 Ishikawajima Harima Heavy Ind INDUCTION HEATING COIL FOR THERMAL TREATMENT OF METAL TUBES
BE1002064A3 (en) * 1986-11-07 1990-06-12 Ishikawajima Harima Heavy Ind INDUCTION HEATING COIL FOR THE HEAT TREATMENT OF METAL TUBES.

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