What does the intermediate frequency of an intermediate frequency furnace mean?
The frequency of the intermediate frequency furnace is from 1khz to 8khz, the frequency range of the intermediate frequency furnace is 1-4khz for smelting, and the frequency above 8khz is the super audio frequency.
50Hz is the power frequency, the intermediate frequency from 200Hz to 4000Hz, the frequency above 8000Hz belongs to the high frequency furnace
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