15KW Medium Frequency Induction Melting Furnace


Rated Power Output:15KW

Frequency Range:1-20KHz

15 25kw induction furnace 1

Description of Medium Frequency Induction Furnace

The development of the medium frequency induction furnace and its superiority has injected new vitality into the casting production. Also, the medium frequency furnace has the advantages of small size, light weight, high efficiency and favorable environment. As a result, the advantages make it a rapid replacement for coal-fired furnaces, gas furnaces, oil-fired furnaces and ordinary resistance furnaces.

It is a new generation of metal heating equipment. The medium frequency induction melting furnace has high electrical efficiency and thermal efficiency, short melting time, less power consumption, less land occupation, lower investment, flexible production and easy implementation of process automation. Comparing to other cast iron melting furnaces, it has attracting remarkable development in recent years and is widely used in cast iron production.


15KW Medium Frequency Induction Melting Furnace Detail

1.Medium frequency melting induction furnace has excellent protections, with over-voltage, over-current, overheatingand lack of water function.

2.It is light weight with fast heating and high efficiency.

3.Special power saving, saving about 60% with the load power compare to traditional the tubemachine.

4.Induction melting furnace is easy and install, suitable for all kinds of occasions where metal heating is required.


15KW Medium Frequency Induction Melting Furnace
Rated Power Output15KW
Frequency Range1-20KHz
Input PowerThree Phase 380V±20% 50/60Hz
Output Current3-22A
Output Voltage70-550V
Load Continuing Rate100% Continuing work in 24h
Cooling Water Temperature≤40℃
Water Connection1 inlet and 1 outlet
Packing MethodWooden Box
ApplicationAvailable for various heating treatment, melting, forging, welding, brazing, hardening, etc.

Medium Frequency Induction Melting Furnace Feature

1.Induction Melting Furnacehas wide frequency range from 1KHZ to 20KHZ, which can be adjusted according to the specific size of the workpiece or the depth of heating, with large range of adaptation. Considering the melting capacity, electromagnetic stirring, heating efficiency, noise and other factors to design an induction loop and matching compensation capacitor so that to determine the size of the output frequency.


2.With traditional medium frequency parallel-oscillating structure, induction melting furnaceis simple load matching, high efficiency and high utilization of equipment.


3.Reverse process, which makes reliability increased greatly under the state of large power, and which makes the device developed greatly in high-power field so that to realize the 100% load.


4.High efficiency energy-saving. With the whole power range, high power factor and power efficiency, compare to silicon controlled medium frequency, it can save at least 20% energy.


5.Induction melting furnace is small size, light weight, completed models, and there is a large range to choose. It not only can be used in industrial production, but also available in small melting test in school institute.


6.Commonly used for melting steel, stainless steel, copper, gold, silver and other materials. There is a wide range of melting capacity, from a few kilograms to hundreds of kilograms.Besides,  This induction melting furnace not only can be used in industrial production, but also available in small melting in school inst


7.Medium Frequency melting furnace has a good performance in electromagnetic stirring, which can evenly melting the metal in temperature and structure aspect.Also, it is conducive to scum, reduce impurities.


8.Compare to silicon controlled medium frequency, it can save at least 20% energy.

The Working Principle of Medium Frequency Induction Melting Furnace


Medium Frequency induction furnace is mainly composed of a power source, an induction coil and a crucible made of refractory material inside the induction coil. The crucible contains metal charging, which is equivalent to the secondary winding of the transformer.


When the induction coil is connected to the AC power source, an alternating magnetic field is generated in the induction coil, and the magnetic flux cuts the metal charging in the crucible. Then an induced electromotive force is generated in the furnace. Since the charging itself forms a closed loop, the secondary winding is characterized by only one turn and is closed. Therefore, an induced current is simultaneously generated in the charging, and when the induced current passes through the charging, the charging is heated to cause it to melt.


It is heating metal by electromagnetic induction principle.

Heat treatment (surface quenching)

It is mainly through the heating of the workpiece and other treatments to change the hardness of the metal material.

1.Avariety of hardware tools, hand tools, such as pliers, wrenches, hammers, axes, screwdrivers, scissors (garden shears) and other quenching.

2. Avariety of cars, motorcycle accessories,such as crankshaft, connecting rod, piston pin, sprocket, aluminum wheel, valve, rocker shaft, transmission half shaft, small shaft, fork, etc.

3. Various power tools. Such as gears, shafts.

4. Machine tool industry. Such as machine tool bed, machine tool guides and other quenching.

5. Avariety of hardware metal parts, machined parts, such as shaft, gear (sprocket), cam, chuck, fixture, etc. Quenching.

6. Metal mold industry. Such as small molds, mold accessories, mold holes, etc. Quenching.


Non-ferrous and ferrous metals melting.
Precious metal melting, like gold, sliver and platinum, etc.
Semiconductor material melting.
Specialized steel, iron and copper melting.
Metal alloy melting, like aluminum alloy, zinc alloy and copper alloy,etc.

Welding (Brazing, Silver Welding, Brazing)

It mainly melts the solder by heating to a certain temperature, thereby connecting two metals of the same material or different materials.

1.Welding of various hardware tools: welding of diamond tools, grinding tools, drilling tools, alloy saw blades, carbide turning tools, milling cutters, reamers, planers, woodworking drills, etc.;

2.Welding of hardware machinery parts: hardware sanitary products, refrigeration copper fittings, lighting accessories, precision mold fittings, metal handles, egg beaters, alloy steel and steel, steel and copper, copper and copper equivalent metal or dissimilar metal silver welding, Brazing;

3.Composite bottom welding is mainly used for three-layer brazing of round, square and other shaped flat stainless steel pot bottoms and aluminum sheets. Also,itcan be used for other metal plane brazing.

4.Electric kettle (electric coffee pot) heating plate welding is mainly used for brazing between stainless steel flat bottom, aluminum sheet and various shapes of electric heating tube.

Medium Frequency Induction Melting Furnace Heating (Hot Forging, Hot Matching)

Hot forging

It is mainly after the workpiece is heated to a certain temperature (different heating temperature according to the material), forging the workpiece into a punch, forged bed or other forms other shapes.

For example: case, watch embryo, handle, mold attachment, kitchen tableware, crafts, standard parts, fasteners, machining of mechanical parts, copper locks, rivets, steel brazing, hot extrusion of brazing tools, etc.

Thermal cooperation

It mainly refers to the heating of the metal between different kinds of metals or between metal and non-metal, and the two are connected by the principle of thermal expansion or thermal melting.

For example: the copper core of the computer radiator and the aluminum sheet, the buried value welding of the speaker net, the composite of the steel-plastic tube, the sealing of the aluminum foil (toothpaste skin), the rotor of the motor, the sealing of the electric heating tube and the like.

Annealing (tempering, quenching and tempering)

1.Annealing in various stainless steel industries. Such as stainless steel pots, cans of annealing, annealing and annealing of the water tank, stainless steel tubes, stainless steel cutlery, stainless steel cups, etc.

2.Annealing of various other metal workpieces. Such as golf clubs, clubs, copper locks, hardware copper fittings, kitchen knives, blades, aluminum pans, aluminum drums, aluminum radiators and various aluminum products. 5. Metal melting: gold, silver, copper, iron, aluminum, etc. and metal (vacuum) smelting, powder metallurgy sintering and metal melting.

What Induction heating is ?


Induction heating is a non-contact heating process. It uses high frequency electricity to heat materials that are electrically conductive. Since it is non-contact, the induction heating process does not contaminate the material being heated. It is also very efficient since the heat is actually generated inside the workpiece. This can be contrasted with other heating methods where heat is generated in a flame or heating element, which is then applied to the workpiece. For these reasons Induction Heating lends itself to some unique applications in industry.


What is Induction Heating used for ?


Induction heating machine can be used for any application where we want to heat an electrically conductive material in a clean, efficient and controlled manner.

The most common applications is for sealing the anti-tamper seals that are stuck to the top of medicine and drinks bottles. A foil seal coated with “hot-melt glue” is inserted into the plastic cap and screwed onto the top of each bottle during manufacture. These foil seals are then rapidly heated as the bottles pass under an induction heater on the production line. The heat generated melts the glue and seals the foil onto the top of the bottle. When the cap is removed, the foil remains providing an airtight seal and preventing any tampering or contamination of the bottle’s contents until the customer pierces the foil.


What is induction annealing?


This process heats metals that have already undergone significant processing. Induction annealing reduces hardness, improves ductility and relieves internal stresses. Full-body annealing is a process where the complete workpiece is annealed. With seam annealing (more accurately known as seam normalizing), only the heat-affected zone produced by the welding process is treated.


What are the benefits?


Induction annealing and normalizing delivers fast, reliable and localized heat, precise temperature control, and easy in-line integration. Induction treats individual workpieces to exact specifications, with control systems continuously monitoring and recording the entire process.


Where is it used?


Induction annealing and normalizing is widely used in the tube and pipe industry. It also anneals wire, steel strips, knife blades and copper tubing. In fact, induction is ideal for virtually any annealing task.

Packing Details

Export standard packing, inner carton outer wooden box and double protection