Preheating Steel for Forging Tools with Induction Heating
Forging tool manufacturers increasingly demand process control, consistency, and throughput. Induction heating can help them achieve those...
A client had been using a flame to heat stainless steel housings for removing glass windows, but wanted to assess induction heating's viability for the application. Speed, repeatability and safety were all reasons for considering the switch to induction. THE LAB at Ambrell determined that an Ambrell EASYHEAT 5 kW induction heating system with a single position multiple-turn helical coil would be the right solution for the application.
Initial tests were conducted by THE LAB to optimize the power delivered to the part. Temperature indicating paints were used to determine the heating time. It took 150-200 seconds to heat the parts to temperature and remove the glass windows, achieving the client’s objective.
Induction met the client's speed goal. Additionally, there's no open flame with induction, making it a safer option. Induction is also not dependent on worker skill, making it more repeatable. Finally, induction delivers heat exactly where it's needed, making it more efficient than a torch with an open flame.
To read other application notes from THE LAB at Ambrell, visit our heating applications page. If your process could be enhanced with induction heating, be sure to take advantage of free induction heating applications testing from our expert team of application engineers. 
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Video: Induction Shrink Fitting a Ring onto a Housing
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