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Feb 14, 2015 These furnaces are smaller in heat size with a low cost investment and preferred by lower capacity steel plants. In these furnaces, steel is produced by melting the charge material using the heat produced by electromagnetic field. The induction furnace consists basically of a crucible, inductor coil, and shell,
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the furnace is the crucible (Fig. 2) with heat- ing and cooling coils and refractory lining. Heating is done by electric current that passes through a set of induction coils. The coils are made from copper tubing that is cooled by water flowing through the tubing. The passage of current through the coils creates a magnetic field that
Sep 26, 2017 People have been casting metal since at least 3000 B.C.E. Over time, the practice became more and more sophisticated as our understanding of metal and its properties became clearer. There are different types of melting furnaces, some of which are of varying degrees of technology.
Jan 27, 2015 The material used to make the work piece can be a metal such as copper, aluminum, steel, or brass. It can also be a semiconductor such as graphite, carbon or silicon carbide. For heating non-conductive materials such as plastics or glass, induction can be used to heat an electrically-conductive susceptor
Mar 30, 2013 The setup is more simple than you likely imagined, as it uses induction heating to melt the metal chunk without having to strap on a visor and break When the electric current passing through the coil is shut off, the metal immediately drops out of the field, and lands as a melted pile of cooling liquid below.
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We provide a variety of furnace types and capacities — from coffee-cup-size units for melting precious metals to furnaces holding hundreds of tons of iron. Inductotherm builds most of the world's zoned induction heating coils and multiple output power supplies used in the manufacturing of ultra-high-temperature advanced
In a basic induction heating setup shown in Figure 2, a solid state RF power supply sends an AC current through an inductor (often a copper coil),and the part to be heated (the Frequencies of 100 to 400 kHz produce relatively high-energy heat, ideal for quickly heating small parts or the surface/skin of larger parts.
Induction heating equipment requires an understanding of physics, electromagnetism, power electronics and process control, but the basic concepts behind induction heating are simple to understand. The Basics. Discovered by Michael Faraday, Induction starts with a coil of conductive material (for example, copper).