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Induction Brazing Steel Assemblies

Induction Brazing Steel Assemblies

A client contacted THE LAB at Ambrell because they were implementing a new brazing process. They needed to braze various steel assemblies within timing and quality specifications. Induction was of interest to them because it delivers precise and fast heating that is highly repeatable. THE LAB determined that an Ambrell EASYHEAT 5 kW, 150-400 kHz induction heating power supply would be the right system for their application.

A custom-designed single position multiple-turn oval split helical coil was built to generate the required heating for this brazing application. Initial tests were conducted to optimize the power delivered to the part. Temperature indicating paints were used to determine the heating time. Testing showed it took 2-3 minutes to heat the sample to temperature and melt the braze alloy.

Induction offered the client several key benefits. First, the client was able to braze their parts within the time required by their manufacturing process. Induction is also highly repeatable, which was a key reason they turned to induction heating in the first place. It is also a very precise heating method, so only the portion of the part that requires heating gets heated. There is also no open flame with induction heating like there would be with a torch, which provides safety benefits. Finally, the expertise of THE LAB allowed the client to have peace-of-mind knowing their application would work prior to investing in induction heating equipment.

Visit our induction brazing page to see a wide variety of brazing applications across many industries. If you have an application you'd like assessed by our expert team, contact THE LAB to take advantage of complimentary induction heating application testing. We'll send your parts back for inspection, along with passing along a video showing you the heating process. You can even visit us in-person to view the testing live in our state-of-the-art lab! More Brazing application notes

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