UltraFlex performing induction soldering of copper wire to steel pins within several seconds
The demonstration performed by UltraFlex showed how a specific and commonly challenging soldering process can be accomplished in a much more efficient manner using induction heating.
In this demo requested by a manufacturer of coils for the electromechanical, electromagnetic and electronic industries, different samples of wound copper wire coils had been provided for induction soldering testing purposes. The ultimate goal was to perform 2 simultaneous solder joints, taking just a few seconds total.
An UltraFlex induction heater from the UltraHeat SBT series had been considered most appropriate for this induction soldering scenario. UltraHeat SBT are high-frequency induction heaters, operating at frequency of 700 kHz – 1.2 MHz that are appropriate for soldering and brazing of small components and parts such as circuit board connectors, RF Connectors, and cable end connectors.
With the traditional soldering process, the steel pin would need to be heated to 420°C (800°F) so the solder would melt and it would stick to both the steel pin and the copper wire. This temperature can be reached only by using a soldering iron.
When induction heating is used, both the steel pin and copper wire are placed into an induction heating coil and high-frequency voltage is then applied. Thus the iron in the steel pin reaches the temperature of 420°C (800°F) and the solder melts onto the steel pin, making the process way easier and much faster.
The demonstration performed by UltraFlex showed how a specific and commonly challenging soldering process can be accomplished in a much more efficient manner using induction heating. In addition, by using induction soldering for this application, the customer would achieve high-quality and consistent results, without dependency on the operator skills. Finally, the process would be completely safe for the operator, ensuring quality workspace, with no fumes, open flames or noxious emissions.
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