A medium-frequency furnace heats metal materials using electromagnetic induction. A high-frequency alternating current power supply generates high-frequency current; when the current passes through the induction coil, it produces a strong electromagnetic induction effect. This causes the molecules inside the metal to undergo intense thermal motion and rub against each other, thereby rapidly heating the metal material and ultimately achieving the purpose of melting. The medium-frequency furnace features high heating efficiency and fast melting speed, and can maintain uniform heat distribution in the metal material at high temperatures, thus ensuring the quality of castings.
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