Induction Brazing aluminum tubing

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brazing aluminum tubing
Objective
Heat aluminum for an automotive brazing application
Material Aluminum tubing 0.50 (12.7mm) dia, an aluminum boss 1”(25.4mm) long, flux filled braze rings
Temperature 1200 ºF (649 ºC)
Frequency 270 kHz
Equipment •Power of 10kW induction heating system, equipped with a remote workhead containing one 1.0μF capacitors for a total of 1.0 μF
• An induction heating coil designed and developed specifically for this application.
Process A multi turn pancake coil is used to heat the joint between the aluminum tubing and boss. The joint heats to temperature in 1.5 minutes and the braze ring melts forming a clean brazed joint.
Results/Benefits Induction heating provides:
• Hands-free heating that involves minimal operator skill for manufacturing
• Flameless application
• Reliable, repeatable aesthetically pleasing braze joint
• Even distribution of heating

PDF: Induction Brazing aluminum tubing

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