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Electromagnetic Induction Heating Coil

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An inductive heating coil is a component used in induction heating systems, which utilize electromagnetic fields to heat materials, typically metals. The coil is made of a conductor, often copper, through which an alternating current (AC) is passed. This creates a changing magnetic field around the coil, which induces an electric current (also called eddy currents) in the material placed inside or near the coil. The resistance of the material to these currents causes it to heat up, allowing for precise and efficient heating. Inductive heating coils are commonly used in applications such as metal hardening, brazing, and heat treatment. Their efficiency is high because the heat is generated directly within the material, minimizing energy loss and offering fast heating times.
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Electromagnetic Induction Heating Coil

The electromagnetic Induction heating coil is an indispensable part of the electromagnetic induction heating control system. It is the heating coil of the electromagnetic Induction heating controller, mainly used to convert the electrical energy of the electromagnetic heating controller into thermal energy to heat objects.


The production requirements for electromagnetic Induction heating coils are strict. If the specified requirements are not met, it may cause the machine to malfunction due to protective measures, and in severe cases, it may burn out the machine. When making electromagnetic Induction heating coils, special attention should be paid to the conductive cross-section of the coil being about 2-2.5 times greater than the input current, usually calculated at 5A/mm2. For example, the working current of 2.5KW is about 10-11A, and the coil output current is about 20-25A. Meanwhile, the number of turns and inductance of the coil are also parameters that need to be considered.


The application scenarios of electromagnetic Induction heating coils are wide, such as industrial fields such as plastics, rubber, petroleum, chemical, ceramics, glass, as well as daily life fields such as induction cookers and water heaters. It has the advantages of high efficiency, environmental protection, and energy conservation, which can improve energy utilization and reduce energy waste. At the same time, attention should also be paid to safety issues during use.


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