Induction Soldering Wire of Co-axial With High Frequency Heating Units
Objective To solder center-conductor and shielding braid of wireย assemblies to 500 (250) ยฐF(ยฐC).
Material โข Customer-supplied assemblies
โข Temperature indicating paint
โข Flux-cored solder wire
Temperature 500 (250) ยฐF (ยฐC)
Frequency 272 kHz
Equipment DW-UHF-4.5kW induction heating system, equipped with aย remote heat station containing two 0.33 ฮผF capacitors.ย An induction heating coil designed and developed specificallyย for this application.
Process A multi-turn helical coil is used and temperature-indicatingย paint is applied to the joint area. The wire assembly is placedย over the induction heating coil, and RF power is applied. Theย time-to-temperature and the heating pattern on the part areย established. The next wire assembly is placed on the coil, theย assembly is heated and solder wire is fed into the joint.ย The assembly heats well and reaches 500 ยฐF in 10 seconds.
Results/Benefits โข elimination of a crimp process
โข more reliable connections are made
โข faster process times
