Heating of the mandrel is from the inside out providing a smooth finish on the outside of the assemblies.
To heat an aluminum catheter tipping die to above 2850F within 2 to 5 seconds for the forming of catheter material.
A two turn plate concentrator coil is used to heat the die. To measure the temperature on the ID and establish the time-to-temperature relationship...
Heat a water-cooled steel mandrel to 700°F (371ºC) to form a high quality Teflon catheter tip.