Induction Annealing Copper Wire


Induction Annealing Copper Wire And Silver Wire

Objective Anneal a brazing wire for preform production.
Material Copper Nickel Silver 2774 Alloy rod 0.070″ (1.8mm) diameter.
Temperature 650ºF(343.3ºC)
Frequency 500 kHz
Equipment • DW-UHF-6KW-III induction heating system equipped with a remote workhead with one 1.0 μF capacitor, and a 4-20 mA input controller to aid in voltage ramping.
• An induction heating coil designed and developed specifically for this application.
Process A unique helical coil consisting of four consecutive coils connected in parallel with a quartz tube lining is used to heat the wire to 650ºF (343.3ºC) for annealing.
Results/Benefits Induction heating provides:
• Higher productivity of 27’ (8.2m) per minute
• Reduction in surface oxidation & scaling
• Consistent, repeatable results

induction annealing brazing wire

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