Medium Frequency Induction Heating Furnace for Drop Forging

What is medium frequency induction heating furnace?

Medium frequency induction heating furnace is a kind of power supply device that change power frequency 50 HZ alternating into intermediate frequency (above 300 HZ and 20 k HZ), rectificate the three-phase alternating current (ac) power frequency into direct current, then change direct current into adjustable intermediate frequency electric current, supply intermediate frequency alternating current flowing by the capacitor and inductor, then generate high density magnetic field lines in the induction coil, produce a lot of eddy current in the metal materials. Medium frequency induction heating furnace is widely used in drop forging production now.

Characteristics of medium frequency induction heating furnace

• High heating speed, high production efficiency,less oxidation decarburization, save material&drop forging cost

As the principle of medium frequency induction heating is electromagnetic induction, the heat is produced inside the workpiece itself, so drop forging could work just after ten minutes' heating. Don't need to worry about material waste casued by power outage or equipment failure. Due to the heating mode heat up fast, so few oxidation, and the material utilization can reach 95%. Due to the uniform heating way, little core temperature difference, so it also greatly increases the service life of drop forging dies, and surface roughness of drop forging is less than 50 um.

• Superior working environment, improve labor environment & company image, no pollution and low energy.

Comparing with traditional coal furnace, the workers will not be affected by the coal stove roasted and smoked under hot sun, more can meet the requirements of the indicators of environmental protection department, at the same time set up the company's external image and the development trend of the future drop forging industry. Medium frequency induction heating is the most energy saving heating mode in electric furnaces of heat from room temperature to 1,100 ℃ tons of forging power consumption is less than 360 degrees.

• Uniform heating, tiny core table temperature difference, and high temperature control precision.

Due to uniform heating, the temperature difference of core table is very small. Temperature control system can realize accurate control of temperature, thus to improve product quality and qualified rate of drop forgings.