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Product Catalog
We specialize in steel-shell furnaces, series-connected electric furnaces, through-heating furnaces, medium-frequency furnaces, closed-water-cooled systems, casting electric furnaces, medium-frequency electric furnaces, and medium-frequency equipment, among others.
Power Supply Series
Furnace Series
Closed-loop water-cooling series
Furnace Construction Machine Series
Heat-Transfer Furnace Series
Accessory series
The medium-frequency power supply cabinet is a core component of the entire system. Regardless of the type, a medium-frequency power supply always consists of two main parts: rectification and inversion. The rectification stage converts the 50-Hz AC power commonly used in our daily lives into a pulsating DC current.
Flexible operation allows for continuous, automatic loading and unloading.
High efficiency: No higher-order harmonics, with a power factor as high as over 95%. No need for reactive power compensation devices or harmonic elimination equipment.
Low failure rate: The lower operating voltage effectively ensures exceptional stability of power devices such as thyristors.
Safety: Few harmonics and low grid pollution effectively ensure electrical safety.
The furnace body of the medium-frequency furnace is the component that performs the actual work within the system. Depending on the material used for the furnace shell, it is divided into two types: steel-shell and aluminum-shell furnaces. The aluminum-shell furnace has a relatively simple structure, consisting of only two main parts: the induction coil and the furnace body.
Energy saving: High power supply efficiency saves 20% more energy compared to conventional equipment.
Self-mixing function, uniform melt temperature, and homogeneous metal composition
Electric heating provides a good working environment.
Good start-up performance—when the blast furnace is empty, the entire furnace can achieve a 100% start-up rate.
Closed-loop water-cooling series
The cooling system is an indispensable and critically important component of a medium-frequency furnace system. In fact, the performance of the cooling system directly determines the equipment’s failure rate. Currently, there are three commonly used cooling methods: traditional water-tank cooling, open cooling towers, and closed cooling towers.
Energy saving: High power supply efficiency saves 20% more energy compared to conventional equipment.
High cost performance: small footprint, large cooling capacity.
Long service life and high stability: The closed-loop water-cooling system allows precise control over water quality, using distilled water to significantly reduce scale formation—or even prevent it altogether—thereby extending the equipment’s service life and enhancing its operational stability.
Good heat exchange performance
Furnace Construction Machine Series
The dry refractory lining material, primarily used in medium-frequency furnaces, is applied by striking the inner wall of the furnace crucible mold with a pneumatic hammer head. This process causes the larger and smaller particles of the refractory material to interlock and fill the voids, thereby achieving a tightly packed refractory lining.
Energy saving: High power supply efficiency saves 20% more energy compared to conventional equipment.
High efficiency: No higher-order harmonics, with a power factor as high as over 95%. No need for reactive power compensation devices or harmonic elimination equipment.
Electric heating provides a good working environment.
Ensure furnace construction quality and improve the working environment for furnace construction.
Induction heaters can be custom-designed according to the shape of the workpiece to be heated, enabling rapid heating with low or even zero oxidation. This technology is primarily used in various precision forging applications, including gears, half shafts, crankshaft connecting rods, bearings, and tools. It can also be employed for bottoming-down cutting of long bar stock and for localized heating of workpieces.
Flexible operation allows for continuous, automatic loading and unloading.
The workpiece heating temperature can be flexibly controlled and is uniformly distributed.
The equipment can be customized according to the actual geometric dimensions of the workpiece.
Low failure rate: The lower operating voltage effectively ensures exceptional stability of power devices such as thyristors.
Application: Medium-frequency quenching and tempering production line, primarily used for the quenching and tempering process of piston rods and pin shafts. The technology is well-established and delivers extremely high production efficiency.
Surface hardening:
Horizontal quenching machine tool, used for quenching shaft-type parts.
Drive wheel quenching
Guide wheel quenching
Our Advantages
A pioneer in metal material heating technology for induction furnaces, Kangda specializes in the R&D of advanced technologies and the manufacturing of cutting-edge products and systems in the field of thermal processing and thermal deformation of metals and special materials. We are a professional manufacturer of steel-shell furnaces.
Product Center
We specialize in steel-shell furnaces, series-connected electric furnaces, through-heating furnaces, medium-frequency furnaces, closed-water-cooled systems, casting electric furnaces, medium-frequency electric furnaces, and medium-frequency equipment, among others.
About Us
Shandong Kangda Electric Furnace Co., Ltd., abbreviated as Kangda Electric Furnace, was formed through the merger of the Kangda Electric Furnace Maintenance Department, established in 1997, and Weifang Xinhua Machinery & Electrical Co., Ltd. The predecessor, the Kangda Electric Furnace Maintenance Department, specialized in the maintenance of parallel and series electric furnaces, energy-saving upgrades, correction of design defects, and troubleshooting of complex issues.
Establishment Date
Land area
Industry Production Experience
Serve customers
Enterprise Certification
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New Center
04-16
04-16
04-16
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Kangda Electric Furnace specializes in the manufacture of the following equipment: KGCL series medium-frequency power supplies, KGPS series medium-frequency power supplies, GTR series medium-frequency induction heating furnaces...
Contact Information
Address: Yuhe Industrial Park, Weicheng District, Weifang City, Shandong Province
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