Brazing flexible tubes with induction technology, a precise and reliable solution to reduce leaks and failures in the fuel system of vehicles.
In the automotive industry, brazing of hose fittings requires precision and reliability to ensure the seal and durability of the components. The induction technology offers an efficient and repeatable solution, capable of improving the quality of the process and reducing production defects.
Induction brazing of fittings on flexible tubes: precision and reduced times thanks to power modulation and advanced thermal control.
The application involves the brazing of stainless steel flexible tubes (AISI 316L or 6 Ti) with steel fittings, using a silver-based alloy ring and BrazeTec H paste flux. A multi-turn inductor with a Ø33 mm copper capillary of Ø5 mm was used to achieve efficient heating, along with a temperature sensor (range 160-990°C) for thermal control and heating cycle programming.
Thanks to power modulation, a 25 kW generator was employed to simulate the operation of 10 kW and 15 kW generators. The client requested testing two different setups: tube below and fitting above, and vice versa.
With a 7 second heating process, it achieves optimal alloy melting and induction brazing between banjo connectors and steel tubing.
This approach allowed the temperature to be precisely controlled throughout the entire brazing process, ensuring a robust and reliable connection between the connectors and the tubes. The use of temperature reader and the closed inductor, are the fundamental tools to ensure the quality and effectiveness of the brazing.
The customer is our focus: it is the commitment to excellence that we carry forward at Seit Elettronica.
In our company we have always considered customers at the center of our development and sales processes. We are convinced, in fact, that only a methodical approach that brings out critical issues and needs within production processes generates added value and successful investments.
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