Note: Brazing a steel piston valve assembly
Objective:
Brazing a steel piston valve assembly
End Product:
Piston valve assembly
Equipment:
Ambrell 30 kW induction heating system, equipped with a remote workhead containing six 1.0 μF capacitors for a total of 1.5 μF An induction heating coil designed and developed specifically for this application.
Materials:
Steel piston valve 4.5 india. (11.43cm), tungsten carbide plate and braze
Temperature:
1350 °F
Frequency:
91 kHz
Testing:
A five-turn pancake coil is used to braze the piston valve and tungsten carbide plate. The assembly was heated for 10 minutes to flow the braze and join the two pieces.
Benefits:
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Rapid localized heat, which can minimize oxidation and reduce cleaning after joining
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Hands-free heating that involves no operator skill for manufacturing
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Clean and controllable joints
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Produces high quality repeatable parts
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