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Classification of Induction Metal Heaters

In the field of industrial manufacturing, induction metal heaters, with their efficient, precise, and environmentally-friendly heating methods, are gradually replacing traditional heating methods, becoming the mainstream choice for modern industrial heating. This article will provide you with a detailed introduction to the classification of induction metal heaters, letting you appreciate the charm of this revolutionary technology.


Classification by Power Frequency


Induction metal heaters can be divided into four types according to power frequency: power frequency, intermediate frequency, ultrasonic frequency, and high frequency. Induction metal heaters with different frequencies are suitable for different heating scenarios, meeting the diverse needs of industrial manufacturing.


  • Power frequency induction metal heater: Frequency range is 50-60Hz, suitable for overall heating of large workpieces.


  • Intermediate frequency induction metal heater: Frequency range is 1-10kHz, commonly used for forging, smelting, and other processes.


  • Ultrasonic frequency induction metal heater: Frequency range is 10-100kHz, suitable for surface quenching of medium-sized workpieces.


  • High frequency induction metal heater: Frequency range is above 100kHz, used for precise heating of small workpieces.


Classification by Shape Structure


The design of the shape structure of induction metal heaters directly affects the heating effect. Common structural types include:


Single-turn induction metal heater


  • Round tube single-turn: Suitable for concentrated heating.


  • Square tube single-turn: Achieves uniform heating.


  • Copper plate single-turn: Precisely matches workpiece size.


  • Large flat single-turn: Specifically designed for continuous quenching.


Multi-turn induction metal heater


  • Turns and heating length precisely matched.


  • Special insulation treatment ensures safe use.


  • Stable structure guarantees long-term stable operation.


Flat induction metal heater


  • Suitable for plane and curved surface heating.


  • Provides various options including round, long oval, and square shapes.


Series-type induction metal heater


  • Can heat multiple components simultaneously.


  • Optimized design minimizes energy loss to the maximum extent.


Tunnel-type induction metal heater


  • Achieves automated continuous heating.


  • Improves production efficiency, reduces labor costs.


Special induction metal heater


  • Customized design for special parts.


  • Meets special process requirements.


Split-type induction metal heater


  • Solves the heating problems of large complex workpieces.


  • Improves heating uniformity and efficiency.

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