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Intermediate frequency induction forging furnace

Intermediate frequency induction forging furnace, also known as intermediate frequency induction heating equipment, is a type of induction forging system that uses the principle of electromagnetic induction to convert electrical energy into thermal energy. It is widely used in fields such as metal induction forging and intermediate frequency quenching heat treatment. Its core is to heat the workpiece through the eddy current generated by the intermediate frequency current in the metal material, which has the advantages of fast heating speed, uniform heating, and high temperature control accuracy.

working principle

The working principle of the intermediate frequency induction forging furnace is based on Faraday's law of electromagnetic induction and Joule effect. Specifically, it is to rectify three-phase AC power into DC power, and then convert the DC power into adjustable intermediate frequency current, which is supplied to the intermediate frequency alternating current flowing through the resonant capacitor and induction coil. The high-density magnetic field lines generated in the induction coil cut through the metal material inside the induction coil, generating large eddy currents inside. These eddy currents also have the properties of intermediate frequency currents, that is, the free electrons of the metal itself generate heat when flowing inside the resistive metal body.

Design Features

The design features of medium frequency induction forging furnace mainly include:

Technical features: Adopting advanced technologies such as IGBT devices, high-efficiency combination resonance technology, low inductance circuit design, and large-scale digital circuits.

Fast heating speed and high production efficiency: Due to the principle of medium frequency induction heating being electromagnetic induction, heat is generated within the workpiece itself, thus enabling rapid heating.

Oxidation decarbonization is less, saving material and forging die costs: Compared with traditional heating methods, the heating method of medium frequency induction forging furnace can save 20-50 kilograms of steel raw materials per ton of forgings, significantly saving materials and costs.

Superior working environment, no pollution, and low energy consumption: Compared with coal furnaces, medium frequency induction forging furnaces have no pollution and low energy consumption during operation, meeting environmental protection requirements.

Uniform heating, small temperature difference between core and surface, high temperature control accuracy: The application of temperature control system can achieve precise temperature control, improve product quality and qualification rate.

Application Cases

The application cases of IGBT medium frequency heating furnaces cover multiple industries and fields, such as forging induction heating, induction hardening treatment, annealing and normalizing, heat treatment, etc. In these fields, medium frequency induction forging furnaces are favored for their efficient heating capacity and precise control. For example, in the forging industry, it can be used to heat metal blanks to the forging temperature, improving the plasticity of the metal; In quenching treatment, rapid heating and cooling of the surface or the entire metal workpiece can be achieved, improving the hardness and wear resistance of the workpiece.

conclusion

In summary, the medium frequency induction forging furnace plays an important role in the metal processing industry due to its unique working principle and numerous design features. Its fast, uniform, energy-saving, and environmentally friendly heating method not only improves production efficiency, but also helps enterprises achieve sustainable development. With the continuous advancement of technology, intermediate frequency induction forging furnaces may have more innovations and application expansions in the future.

How to choose the suitable medium frequency forging furnace?

Forging model	Heat steel or stainless steel to 1050℃	Heat copper to 700℃
DE-35R	1.25KG/Minute	1.75KG/Minute
DE-45R	1.67KG/Minute	2.33KG/Minute
DE-70R	2.5KG/Minute	3.5KG/Minute
DE-90R	3.33KG/Minute	4.67KG/Minute
DE-110R	4.17KG/Minute	5.83KG/Minute
DE-160R	5.83KG/Minute	——
DE-240R	8.6KG/Minute	——
DE-300R	11.25KG/Minute	——
DE-500R	17.9KG/Minute	——–

The maximum heating capacity of each power model is listed in the table above.

It is mainly used for continuous forging of regular round bar materials and square end materials of steel, iron, aluminum, copper, and other metals with diameters of more than 12mm. It can be used for heating materials as a whole or locally. Customers can select the corresponding medium frequency forging furnace power equipment according to their heating parts weight and speed requests.

Different types of medium frequency forging furnaces differ in size in addition to the intuitive appearance, mainly in heating capacity. The above is the heating capacity of each type of forging furnace. Customers can choose different models of machines according to their heating requirements and with reference to the heating capacity of different models of machines. In order to achieve cheap beauty, cost-saving purposes.

What is Dedao medium frequency forging furnace applications?

Our medium frequency forging furnace is mainly used in the standard parts industry, stud head pier thick, nut forming, valve, and lock industry copper hot forming, etc.

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Ningbo Dedao Thermal Equipment Co., Ltd

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Address: Ningbo, China

Main Product: Heating coil, Induction heater, Induction heating equipment, Induction brazing, Quenching machine tool, Quenching equipment

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