... brazing, forging, casting, tempering, heating and ect. Application of handheld induction heater:A. Heating (hot forging, hot fitting and smelting):1 ... through forging press with the help of punch press, forging machine or other equipments, for instances, hot extrusion of watch case ... electric tools, such as gear and axes.4. Quench for machine tools, such as lathe deck and guide rail.5. Quench ...