Note: Sintering copper powder to a stainless steel shaft
Objective:
Sintering copper powder to a stainless steel shaft
End Product:
Steel shaft
Equipment:
Ambrell 30.0 kW induction heating system, equipped with a remote workhead containing eight 1.0 μF capacitors for a total of 8.0 μF
An induction heating coil designed and developed specifically for this application
Materials:
Steel shaft & shell assembly, approx 2 in (50.8 mm) diameter, 2 in (50.8 mm) tall, copper powder
Temperature:
1600 °F (871 °C)
Frequency:
54 kHz
Testing:
A four-turn helical coil is used to heat the assembly for five minutes. This provides slow, even heat for good penetration through the shell into the powder
Benefits:
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Even heat through the shell to sinter the powder.
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A method that is easily integrated into an automated production line. The design may be adapted to accommodate the indexed heating of several assemblies at the same time.
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Hand- free operation that involves no operator skill for manufacturing.
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