Note: Desoldering Customer Assemblies with Induction Heating
Objective:
To heat customer assemblies for a de-soldering application. The client had been outsourcing this task, but wanted to see if it would be viable to bring the process in house
End Product:
Customer supplied assemblies
Equipment:
Ambrell EASYHEAT 10 kW, 150-400 kHz induction heating system with a workhead and a single-position multiple-turn helical coil specifically designed for this soldering application
Materials:
Customer supplied assemblies
Temperature:
400 ºF (204 ºC)
Frequency:
175 kHz
Testing:
Initial tests were conducted to optimize the power delivered to the assemblies. Temperature indicating paints were used to determine the heating time. It took 90 seconds or less to heat the samples to temperature and melt the solder alloy. THE LAB at Ambrell proved the application’s viability and the heating time met the client’s requirements
Benefits:
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Speed: Heating met the client’s time objectives for the de-soldering application.
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Precise, repeatable heating: Induction is a highly repeatable process so the customer can expect the same result every time and isn’t dependent on operator skill as is often the case with a method like torch heating.
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Safety: Induction doesn’t have an open flame or introduce unnecessary heat into the work environment.
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Energy Efficiency/Green Heating: Induction only heats up the portion of the part that requires it and uses electricity instead of gas

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