Note: Heating Steel Knives; Food Processing

Objective:

To rapidly heat steel knives with induction in a food processing facility; the client had been using a different heating method.

End Product:

Steel knives

Equipment:

Ambrell EASYHEAT 1.2 kW, 150-400 kHz induction heating power supply with a workhead and coil specifically designed for this application.

Materials:

Magnetic steel knife blade

Temperature:

200 °F (93 °C)

Frequency:

165 kHz

Testing:

A custom-designed single position multiple-turn helical coil was built to generate the required heating for the application. An infrared camera was used to monitor the temperature of the knife blade. With the EASYHEAT 1.2 kW power supply, it was observed that it took just over 20-25 seconds to heat the blade to temperature, meeting the client's objectives.

Benefits:

  • Speed: Induction rapidly heated the knife blade to temperature.

  • Repeatability: The client can expect the same result in the same amount of time every single time.

  • Employee Safety/Work Environment: With induction there is no open flame, water, etc, and with induction’s instant on/off capabilities, it introduces less heat into the work environment.

Heating Steel Knives; Food Processing

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