Note: Brazing a Carbide Tip, Magnetic Steel Tube

Objective:

To braze carbide inserts into magnetic steel tubes; the client is replacing their inconsistent torch process with induction

End Product:

Carbide-tipped tube

Equipment:

Ambrell EASYHEAT 2.4 kW, 150-400 kHz induction heating system with a workhead and coil specifically designed for this application

Materials:

Magnetic steel tubes, carbide inserts

Temperature:

1200 ºF (649 ºC)

Frequency:

252 kHz

Testing:

A custom-designed single-position multi-turn helical coil was built to generate the required heat for the application. It took approximately four minutes to heat the assembly to temperature and braze it uniformly. The client processes a low volume of parts and made it clear that their concern was quality and not speed, and consequently, an EASYHEAT 2.4 kW system met their objectives

Benefits:

  • Repeatability: The client can expect the same result every time with an Ambrell induction heating system, increasing quality when compared to the inconsistent torch heating they were seeing

  • Safety: Induction has no open flame, a large advantage when it comes to safety and not introducing unnecessary heat into a work environment

  • Footprint: The EASYHEAT 2.4 kW system has a small footprint, so it fits easily into their workflow

Brazing a Carbide Tip, Magnetic Steel Tube

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