Objective To braze copper to copper bus bar assemblies together
Material • 2 copper bus bars 6” (152.4mm) wide, 2’ (609.6mm)long, 2 copper bars 6”(152.4mm) wide, 18” (457.2)long & 3/8” (9.65mm) thick
• braze shim preforms and white flux
Temperature 1292 ºF (700 ºC)
Frequency 87 kHz
Equipment • Power of 90kW induction heating system, equipped with a remote workhead containing eight 1.0 μF capacitors for a total of 2.0 μF.
• An induction heating coil, designed and developed specifically for this application
Process A three-turn helical coil is used to heat the assembly. Three braze shim preforms are placed between the plates and white flux is applied to the assembly. It is heated for 5 minutes to evenly flow the braze alloy. A high current capable, aesthetic looking braze zone is produced.
Results/Benefits Induction heating provides:
• Consistently produced, quality parts
• Heat into the part that is divided equally between the copper pieces, allowing for even flow and consistent use of
braze
• Hands-free operation that doesn’t require skilled operators
Material • 2 copper bus bars 6” (152.4mm) wide, 2’ (609.6mm)long, 2 copper bars 6”(152.4mm) wide, 18” (457.2)long & 3/8” (9.65mm) thick
• braze shim preforms and white flux
Temperature 1292 ºF (700 ºC)
Frequency 87 kHz
Equipment • Power of 90kW induction heating system, equipped with a remote workhead containing eight 1.0 μF capacitors for a total of 2.0 μF.
• An induction heating coil, designed and developed specifically for this application
Process A three-turn helical coil is used to heat the assembly. Three braze shim preforms are placed between the plates and white flux is applied to the assembly. It is heated for 5 minutes to evenly flow the braze alloy. A high current capable, aesthetic looking braze zone is produced.
Results/Benefits Induction heating provides:
• Consistently produced, quality parts
• Heat into the part that is divided equally between the copper pieces, allowing for even flow and consistent use of
braze
• Hands-free operation that doesn’t require skilled operators
brazing copper to copper
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