... 3.MOSFET technology 4.Heating rapidly and evenly 5.Wide application MOSFET High Frequency Induction Heating Machine Application Ranges1. Heat treatment ... annealing, normalizing2. Heating prior to deformation: forging, swaging, upsetting, bending, and piercing.3. Braze welding and Soldering: ... , etc.4. Shrink fittingin any manufacturing process, for example, shrink fitting of motor rotors to shafts, ...