Note: A levitation melting system for micro-gravity metal processing

Objective:

Design a modular electromagnetic levitor (MEL) to aid in the study of RF systems used to process metals in the microgravity of space. Nickel and copper are melted and levitated. A reliable system is to be developed to provide repeatable performance. 

End Product:

MEL

Equipment:

Ambrell 1 kW induction heating system, equipped with a remote workhead containing one 1.2ÎźF capacitor
An induction heating coil designed and developed specifically for this application. 

Materials:

Copper and nickel 270 

Temperature:

1982 °F (1083 °C) copper 2647 °F (1453 °C) nickel 270

Frequency:

409 kHz

Testing:

A four-turn helical coil and a bucking plate are used for levitation. 0.5 g of Copper and 0.5 g of Ni 270 are successfully levitated using the same coil. A stable molten sphere is observed. 

Benefits:

  • Hands-free heating that involves no operator skill for manufacturing

  • Consistent, reliable melting cycles.

  • Even distribution of heating

A levitation melting system for micro-gravity metal processing

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