| Type | UHF(Ultra-high Frequency) | HF(High Frequency) | RF(Radio Frequency) | MF(Medium Frequency) |
|---|---|---|---|---|
| Frequency | >=100 KHz | 30KHz~100KHz | 20KHz~80KHz | 5KHz~20KHz |
| Based | IGBT or MOSFET or SiC | IGBT | IGBT | IGBT or SCR |
| Cooled Type | Water | Water or Air | 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 |    |    |    |    |
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