工业热处理的中频炉与高频炉有什么不同原理？

高频炉的工作原理：高频电流流向紫铜管绕制而成的感应圈状或其它形状的加热线圈，产生交变的电磁场，将需要加热的物料放于感应圈中，电磁感应在物料中产生涡流，使物料温度上升。

中频炉的工作原理：当感应圈接通交流电源时, 在感应圈内产生交变磁场, 其磁力线切割坩埚中的金属炉料, 在炉料中就产生了感应电动势, 由于炉料本身形成一闭合回路, 所以在炉料中同时产生感应电流, 感应电流通过炉料时, 对炉料进行加热促使其熔化。

两者的工作原理基本上是相似的，只是电源的频率不一样，加热的效果有所区别。

What is the different principle between an intermediate frequency furnace and a high frequency furnace for industrial heat treatment?

The working principle of the high-frequency furnace: the high-frequency current flows to the induction coil or other shaped heating coils wound by the copper tube to generate an alternating electromagnetic field, and the material to be heated is placed in the induction coil, and the electromagnetic induction is in the material The eddy current is generated in the process, which causes the temperature of the material to rise.

The working principle of the intermediate frequency furnace: When the induction coil is connected to the AC power supply, an alternating magnetic field is generated in the induction coil, and the magnetic field lines cut the metal charge in the crucible, and the induced electromotive force is generated in the charge. Because the charge itself forms a closed loop, Therefore, induced current is generated in the charge at the same time, and when the induced current passes through the charge, the charge is heated to promote its melting.

The working principles of the two are basically similar, except that the frequency of the power supply is different, and the heating effect is different.

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