Medium frequency electric furnace is a power device that converts industrial frequency 50Hz AC power into medium frequency (usually 300Hz to 20kHz), operating based on the principle of electromagnetic induction. The following are the characteristics and applications of medium frequency electric furnaces:

### 1. Characteristics

1. **High Efficiency and Energy Saving:**

* The medium frequency electric furnace uses electromagnetic induction to generate eddy currents within the metal material itself for heating, featuring rapid temperature rise and low energy consumption.

* Compared with traditional coal or gas-fired equipment, the medium frequency electric furnace has lower oxidation loss and can save a large amount of energy.

2. **Strong Environmental Protection:**

* The medium frequency electric furnace does not produce harmful gases or strong light pollution during operation, meeting environmental protection requirements.

* Its heat is generated inside the workpiece itself without the need for external fuel combustion, thereby reducing environmental pollution.

3. **Uniform Heating:**

* The heating method of the medium frequency electric furnace ensures uniform temperature inside and outside the workpiece, which helps improve product quality.

* Due to uniform heating, the temperature difference between the core and surface is minimal, thus extending the life of forging dies.

4. **Easy Operation:**

* The medium frequency electric furnace adopts an automated control system, making operation simple and fast.

* It supports frequency adjustment to adapt to different heating depths, making operation more flexible.

5. **Compact Structure:**

* The medium frequency electric furnace is compact in size and lightweight, facilitating installation and mobility.

* Its efficient heating method results in high equipment utilization and easy product variety changes.

6. **Safe and Reliable:**

* The medium frequency electric furnace is equipped with comprehensive protection systems such as overvoltage, overcurrent, undervoltage, water shortage, phase loss, voltage and current limiting, ensuring equipment reliability and operational stability.

* Regular inspection of electrical, water cooling systems, and furnace lining status is required during operation to ensure safe equipment operation.

### 2. Applications

1. **Metal Melting:**

* The medium frequency electric furnace can be used for melting non-ferrous and ferrous metals such as carbon steel, alloy steel, copper, aluminum, etc.

* It features fast melting speed and uniform composition, suitable for foundry workshops and similar environments.

2. **Forging Heating:**

* The medium frequency electric furnace can be used for through-heating metal materials like bars, round steel, and square steel to facilitate subsequent forging, extrusion, hot rolling, and other processes.

* It offers fast heating speed, high production efficiency, and minimal oxidation and decarburization, saving materials and costs.

3. **Heat Treatment:**

* The medium frequency electric furnace can be used for surface heat treatment and overall quenching, annealing, tempering of various mechanical parts such as shafts, gears, and rings.

* Its uniform heating and controllable temperature help improve mechanical properties and extend the service life of workpieces.

4. **Welding:**

* The medium frequency electric furnace can be used for welding metal tools such as blades, drills, and knives, as well as welding of similar or dissimilar metals.

* It produces small weld spots with high welding quality, suitable for precision device welding.

E-mail :

guangkuo_zhang004@126.com

tianyi_jin001@126.com

Phone：

+86-535-3278688-8009

Address:

No. 8 Haixia Road, Dongcun Industrial Park, Haiyang City, Yantai, Shandong Province