Note: Preheating a brass rod for forging
Objective:
To preheat a brass rod to temperature for a forging application; the client is looking to achieve faster heating than they were achieving with a torch
End Product:
Brass cylinder
Equipment:
Ambrell EKOHEAT 15 kW 50-150 kHz induction heating system equipped with a remote heat station containing three 1.5 μF capacitors A multiple-turn helical induction heating coil designed and developed specifically for this application
Materials:
Brass cylinders (50 mm/2” long x 35 mm/1.4” outside diameter)
Temperature:
1400 ºF (760 ºC)
Frequency:
86 kHz
Testing:
A thermal indicating paint was applied to the rod – when the rod turns red, the part has achieved temperature. The rod was inserted into the coil and the part quickly heated to 1400 ºF (760 ºC). The heat cycle time was approximately 45 seconds.
Benefits:
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Speed: The client wanted to cut the cycle time it was getting from a torch in half, and the Ambrell induction process was able to meet that goal.
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Efficiency: Induction is an energy-efficient medium of heating, so it enabled the client to not only save time, but money too.
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Safety: The client will benefit from a cooler, safer work environment thanks to induction heating.
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