Induction Soldering Brass and Copper Components
A customer contacted THE LAB at Ambrell because they were soldering brass and copper components with a torch, but wanted to see if induction might be...
A client contacted THE LAB at Ambrell needing to heat aluminum impeller blades to 200 ºF (93 ºC) and shrink fit them onto shafts. THE LAB determined that an Ambrell EASYHEATTM 3.5 kW, 150-400 kHz induction heating system would be best for this induction shrink fitting application based on the client's requirements. The frequency for the application was determined to be 255 kHz.
A split two-turn helical coil was used to evenly heat the opening on the impeller blade. The impeller blade was heated for 20 seconds to reach the target temperature of 200 ºF (93 ºC). The impeller blade was then removed from the coil and slipped over the shaft to complete the shrink fitting application.
For this application, induction heating offered several advantages. It provided fast heating which saved power and time. This resulted in a reduced cycle time for this application. It's also a clean source of heat that delivers less heat into the work environment than a torch and takes up less space than an oven. Finally, induction is accurate and highly repeatable, which boosts quality.
THE LAB at Ambrell has a significant amount of experience with induction shrink fitting applications like this one. To learn more about free application testing, visit our page with more information about THE LAB or contact us today to get the process started.
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