Difference between UHF,HF,RF and MF induction heaters

2013/12/15 From: Local  Views

Download PDF: Difference between UHF,HF,RF and MF induction heaters
Type UHF(Ultra-high Frequency) HF(High Frequency) RF(Radio Frequency) MF(Medium Frequency)
Frequency >=200 KHz 30KHz~150KHz 20KHz~80KHz 5KHz~20KHz
Based IGBT or MOSFET IGBT IGBT IGBT or SCR
Cooled Type Water Water Water or Air Water or Air
Application Description Ultra-high frequency induction heaters are often used for quenching or hardening work, higher output frequency will bring thinner hardening depth and faster heating speed (some applications need 0.1mm~2mm hardening depth, then only ultra-high frequency machines can satisfy these works). High frequency induction heaters are often used for brazing, jointing , normal quenching or small forging work. Radio frequency induction heaters are often used for hardening, brazing, welding , normal quenching, forging and forging work. Medium frequency induction heaters are often used for forging or melting or big depth quenching work.
Samples



induction brass soldering copper plate_2




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