Note: Braze four copper bus bars together
Objective:
To braze bus bar assemblies together
End Product:
Copper bus bar
Equipment:
Ambrell 45 kW 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
Materials:
2 copper bus bars 6 in (152.4mm) wide, 2 in (609.6mm)long 2 copper bars 6 in (152.4mm) wide, 18 in (457.2)long & 3/8 in (9.65mm) thick braze shim preforms white flux
Temperature:
1292 °F (700 °C)
Frequency:
87 kHz
Testing:
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.
Benefits:
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Consistently produced, quality parts
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Heat into the part that is divided equally between the copper pieces, allowing for even flow and consistent use of braze
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Hands-free operation that doesn't require skilled operators
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