Introduction to MF forging furnace - how to choose medium frequency furnace

1. Medium frequency forging heating furnace

The intermediate frequency forging heating furnace is a power supply device that converts the power frequency 50HZ alternating current into an intermediate frequency (300HZ or more to 1000HZ), converts the three-phase power frequency alternating current into a direct current, and then converts the direct current into an adjustable intermediate frequency current. The intermediate frequency alternating current flowing through the capacitor and the induction coil generates a high-density magnetic line in the induction coil, and cuts the metal material contained in the induction coil to generate a large eddy current in the metal material.



2. What are the characteristics of the medium frequency forging furnace?


1. Standard quick-change diathermic furnace form.

2. Induction heating is easy to achieve local heating.

3. Different induction heating methods are adopted according to different hot pressing processes.

4. For heating larger diameter workpieces, medium frequency induction diathermy furnace is equipped with water-cooled guide rolling in the furnace lining to improve the life of the lining. The water-cooled guide rolling surface is coated with tungsten carbide coating, which can significantly improve the service life of water-cooled guide rolling. .

5. The design of the sensor adopts the self-developed “inductor optimization design CAD” software to optimize the design of dozens of parameters of the sensor. With reference to the design concept of foreign sensors, the inductors designed and manufactured by us have high heating efficiency. The length is short and the loss is small.
 
forging

3. Main configuration and performance of medium frequency forging furnace

The medium frequency induction forging furnace is ultra-small and movable, covering an area of ​​only 0.6 square meters, which is convenient for use with any equipment;
It is very convenient to install, debug and operate.
It can reach the required temperature in a very short time, greatly reducing the oxidation of the metal;
The medium frequency heats the φ15 or more bar material, which is more diathery, more uniform, faster, and can work 24 hours a day;
Energy-saving and environmental protection, more uniform and rapid heat transfer, automatic feeding, greatly saving costs;
The furnace body is replaced to meet the different requirements of the overall heating or end heating of the bar.
The length of the induction coil is usually 600mm or 800mm. When the material is coarse or long, the induction coil is even 1m long or more than 1m long, and 5-10 materials are heated. The induction coils are easy to replace, and different sizes of induction coils are used depending on the workpieces of different diameters.
The output frequency is 1-10KHZ. According to the size of the heated workpiece, the induction coil and capacitor are designed to achieve different frequencies and adapt to the heating of different materials. When the material is fine, the heating frequency is higher, which can ensure the heat transfer and obtain higher heating efficiency; when the material is coarse, the frequency is lower, and the heat is ensured.

The pneumatic feeding method is adopted. For a certain bar material, the power of the device and the feeding tempo are adjusted, and the red bar is automatically introduced for forging and pressing, and the operation is very convenient.
IGBT devices are used, and high-efficiency combined resonance technology is adopted. Adopt low-inductance circuit arrangement and adopt large-scale digital circuit.
Fast heating speed, high production efficiency, less oxidative decarburization, saving material and forging die cost. Since the principle of the intermediate frequency induction heating is electromagnetic induction, the heat is generated in the workpiece itself, and the ordinary worker can perform the continuous work of the forging task immediately after going to work with the intermediate frequency electric furnace. There is no need to worry about the waste of heated billets due to power outages or equipment failures. Because the heating method has a fast heating rate, the oxidation is extremely small, and each ton of forgings and the KGPS thyristor intermediate frequency furnace can save at least 20-50 kilograms of steel raw materials, which greatly saves electricity, and consumes 310 degrees of electricity per ton of steel. Compared with KGPS thyristor, the intermediate frequency saves 20%-30%. Because the heating method is evenly heated, the temperature difference of the core meter is extremely small, and the net side pollution, the power supply transformer does not generate heat, the substation compensation capacitor does not generate heat, and does not interfere with other equipment work. Reduce the power transformer capacity.
Uniform heating, minimal temperature difference between the core and high temperature control. Induction heating heat is generated in the workpiece itself, so the heating is uniform, and the temperature difference between the core and the core is extremely small. The application of a temperature control system allows precise temperature control to improve product quality and yield.
The whole equipment is small and compact, and it is very convenient to use it in the forging machine hot and forging machine.
Excellent working environment, no pollution, low energy consumption.
Forging furnace

4. How to choose the brand of medium frequency forging furnace

When choosing the MF forging furnace brand, you need to consider the following factors for the products under this brand.

First, choose the frequency correctly. The larger the diameter of the workpiece, the lower the frequency at which the device should be selected. Second, choose the power correctly. The higher the power, the faster the heating rate and the higher the price. The power we refer to here refers to the output power and the oscillating power. The output power is the load power of the device, and the oscillation power is actually about 60% of the output power.

The new energy-saving medium-frequency induction heating diathermy forging furnace produced by Haituo can be used for continuous diathermy of regular round bars, square materials or other shape hair defects such as steel, stainless steel, copper and aluminum with diameter Φ12-80Φ; standard In the industry, stud heads are thick, nut forming, valve and lock industry copper parts thermoforming, etc.; can be used for overall heating of materials, but also for local heating of materials, such as end heating, heating in the middle part.