Frequently Asked Questions

Induction Heating is a process where a metal object, magnetic or non-magnetic, is placed in a varying magnetic field, technically known as Eddy Currents. Imagine you have a round copper coil and then you pass an alternating current through this coil. That would generate a magnetic field within the coil.

Then imagine you interrupt this field by inserting a piece of metal, inside of this coil. The magnetic field would begin to wrap itself around the workpiece at a very high rate. How high a rate depends on the frequency of the applied RF field. So, for instance, if the RF frequency is 50kHz, then the field will wrap itself around the workpiece 50 times per second.

As the field continues to “spin” around the metal, it begins to generate heat within the workpiece. How? Because every metal has a certain amount of resistance within it, and this resistance effect causes the applied field to create friction within the metal. This in turn generates heat on the surface of the metal, commonly known as a Skin Effect. Depending on how long you leave the field, the heat will begin to travel through the metal by conduction.

The cool part is that the Coil is water-cooled while the metal piece gets hot!

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Our systems are flexible enough to be used in a wide variety of induction heating applications. Thanks to the extremely high energy efficiency, guaranteed reliability in time and reduced overall size, our Induction Generators, Control Units and Optical Pyrometers are complemented by all the main automatic machine manufacturers (OEM), and have been used successfully in all those applications where the process repeatability, the constant power supply, and the accurate temperature control are essential.

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Check out our induction heating calculator for running basic calculations to help you size your induction heating applications properly. Or contact our team of experts for personalized help!

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Check out our newly updated troubleshooting guide, “Resolving Coil-Related Induction Heating Issues”. It brings together decades of industry experience to provide insight on possibly resolving application issues. 

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At Induction Technology Solutions, we are Engineers dedicated to serving you with the best non-contact temperature measurement solution for your induction heating requirements.

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For more information, give our team a call at 800-956-3941 or fill out our Contact Us form.

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