Note: Molding a teflon catheter tip
Objective:
Heat a water-cooled steel mandrel to 700 °F (371 °C) to form a high quality Teflon catheter tip.
End Product:
Catheter
Equipment:
Ambrell 3 kW induction heating system, equipped with a remote workhead containing one 0.66 μF capacitor.
An induction heating coil designed and developed specifically for this application.
Materials:
Teflon catheter tubing
mandrel assembly
Temperature:
600-700 °F (315-371 °C)
Frequency:
376 kHz
Testing:
A two-turn coil is used to heat the steel mandrel to 660 °F (371 °C) in 2.7 seconds. To form the catheter tip, RF power is applied while the catheter is held over the mandrel. The tubing is then pushed on to the mandrel to form a consistent, even tip.
Benefits:
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Precise, repeatable application of heat
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Non-contact heating
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Faster cycle times
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