Induction heating is what


Most induction heating for industrial induction heating, the workpiece on the sensor, the sensor is generally input frequency or high frequency alternating current (ac) (300-300000 hz or higher) of the hollow copper pipe. In alternating magnetic field in the workpiece to produce induced current with frequency, the induced current distribution in the workpiece is not uniform, strong on the surface, and in the internal is very weak, the heart is close to zero, use the skin effect, can make the surface heating quickly, within a few seconds surface temperatures to rise to 800-1000 ℃, and the core temperature is small.