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- Induction_furnace abstract "An induction furnace is an electrical furnace in which the heat is applied by induction heating of metal. The advantage of the induction furnace is a clean, energy-efficient and well-controllable melting process compared to most other means of metal melting. Most modern foundries use this type of furnace and now also more iron foundries are replacing cupolas with induction furnaces to melt cast iron, as the former emit lots of dust and other pollutants. Induction furnace capacities range from less than one kilogram to one hundred tonnes capacity and are used to melt iron and steel, copper, aluminium and precious metals. Since no arc or combustion is used, the temperature of the material is no higher than required to melt it; this can prevent loss of valuable alloying elements. The one major drawback to induction furnace usage in a foundry is the lack of refining capacity; charge materials must be clean of oxidation products and of a known composition and some alloying elements may be lost due to oxidation (and must be re-added to the melt).Operating frequencies range from utility frequency (50 or 60 Hz) to 400 kHz or higher, usually depending on the material being melted, the capacity (volume) of the furnace and the melting speed required. Generally, the smaller the volume of the melts, the higher the frequency of the furnace used; this is due to the skin depth which is a measure of the distance an alternating current can penetrate beneath the surface of a conductor. For the same conductivity, the higher frequencies have a shallow skin depth—that is less penetration into the melt. Lower frequencies can generate stirring or turbulence in the metal. A preheated, one-tonne furnace melting iron can melt cold charge to tapping readiness within an hour. Power supplies range from 10 kW to 42 MW, with melt sizes of 20 kg to 65 tonnes of metal respectively.An operating induction furnace usually emits a hum or whine (due to fluctuating magnetic forces and magnetostriction), the pitch of which can be used by operators to identify whether the furnace is operating correctly or at what power level.".
- Induction_furnace thumbnail Induktionstiegelofen_Schnitt.png?width=300.
- Induction_furnace wikiPageExternalLink v=twopage&q&f=true.
- Induction_furnace wikiPageID "2964983".
- Induction_furnace wikiPageRevisionID "598302672".
- Induction_furnace hasPhotoCollection Induction_furnace.
- Induction_furnace subject Category:Induction_heating.
- Induction_furnace subject Category:Industrial_furnaces.
- Induction_furnace type Area102735688.
- Induction_furnace type Artifact100021939.
- Induction_furnace type Chamber103003730.
- Induction_furnace type Enclosure103285912.
- Induction_furnace type Furnace103404449.
- Induction_furnace type IndustrialFurnaces.
- Induction_furnace type Object100002684.
- Induction_furnace type PhysicalEntity100001930.
- Induction_furnace type Structure104341686.
- Induction_furnace type Whole100003553.
- Induction_furnace type YagoGeoEntity.
- Induction_furnace type YagoPermanentlyLocatedEntity.
- Induction_furnace comment "An induction furnace is an electrical furnace in which the heat is applied by induction heating of metal. The advantage of the induction furnace is a clean, energy-efficient and well-controllable melting process compared to most other means of metal melting. Most modern foundries use this type of furnace and now also more iron foundries are replacing cupolas with induction furnaces to melt cast iron, as the former emit lots of dust and other pollutants.".
- Induction_furnace label "Forno a induzione".
- Induction_furnace label "Four à induction".
- Induction_furnace label "Horno de inducción".
- Induction_furnace label "Induction furnace".
- Induction_furnace label "Induktionsofen".
- Induction_furnace label "Piec indukcyjny".
- Induction_furnace label "Индукционная тигельная печь".
- Induction_furnace label "فرن الحث الكهربي".
- Induction_furnace sameAs Induktionsofen.
- Induction_furnace sameAs Horno_de_inducción.
- Induction_furnace sameAs Four_à_induction.
- Induction_furnace sameAs Tungku_induksi.
- Induction_furnace sameAs Forno_a_induzione.
- Induction_furnace sameAs Piec_indukcyjny.
- Induction_furnace sameAs m.08ghxl.
- Induction_furnace sameAs Q1665838.
- Induction_furnace sameAs Q1665838.
- Induction_furnace sameAs Induction_furnace.
- Induction_furnace wasDerivedFrom Induction_furnace?oldid=598302672.
- Induction_furnace depiction Induktionstiegelofen_Schnitt.png.
- Induction_furnace isPrimaryTopicOf Induction_furnace.
