BEARING INDUCTION HEATER
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Induction Heaters are designed to heat bearings, bushings, gear wheels,
couplings or other metallic work pieces which form a closed electrical loop.
This will facilitate mounting where an interference fit is required.
The heaters are designed to heat the work piece up to a maximum
temperature of 240ºC (464ºF), with the exception of the other series models
where the temperature is limited to a maximum of 150ºC (302ºF) and special
custom-designed heaters where the maximum temperature can be as high as
480ºC (896ºF). Induction heaters can be used on continuous bases. There is
however a limitation; do not operate heater at a temperature of 240°C (464°F)
or more for more than half an hour. By heating with the time function this has
to be checked with an external temperature meter.
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Additional Information
A bearing induction heater is a specialized tool used to heat bearings (or similar metal components) before installation, typically onto a shaft. This is done through induction heating, a process that uses electromagnetic fields to heat the metal efficiently and uniformly.
Thermal expansion: Heating a bearing expands it slightly, making it easier to fit onto a shaft without using force.
No damage: Unlike hammering or pressing, heating reduces the risk of damaging the bearing or shaft.
Even heating: Induction provides consistent, controlled heating, avoiding hot spots or overheating.
Time-saving: Heats up bearings in minutes, much faster than ovens or oil baths.
⚙️ How It Works
The heater creates an alternating magnetic field.
This field induces eddy currents in the metallic bearing.
The resistance to these currents generates heat.
Since the inner ring of the bearing heats faster, it expands more, allowing easy mounting.
🛠️ Common Features
Digital temperature controls and sensors
Time or temperature-based heating modes
Automatic demagnetization after heating
Portable and benchtop versions
Suitable for various bearing sizes
📦 Applications
Electric motors
Gearboxes
Manufacturing plants
Maintenance workshops
Wind turbines
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