Note: Hot forming a steel pipe
Objective:
To heat a magnetic steel pipe to the desired temperature to enable pipe bending; the objective is to create u-bends in pipes for boiler systems
End Product:
U-bend pipes
Equipment:
Ambrell EKOHEAT 250 kW, 5-15 kHz induction heating power supply with a remote workhead containing eight 6.63 μF capacitors for a total of 53 μF.
A single position six-turn channel induction heating coil designed and developed for this application
Materials:
Steel pipes (2.5 in/64 mm OD bent steel pipe)
Temperature:
2010 °F (1099 °C)
Frequency:
8.8 kHz
Testing:
The steel pipe was placed inside the induction coil, and it heated to temperature within 120 seconds
Benefits:
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Speed: A large steel pipe heated to the targeted temperature quickly
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Repeatability: Induction is highly repeatable and easy-to integrate into manufacturing processes
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Precise heating: Induction is able to target the portion of the tube that requires bending while not heating the remainder of the tube
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Energy efficiency: Induction offers fast, flameless, instant on/instant off heating
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