Annealing lip on aluminum cryogenic dewar
  • Annealing lip on aluminum cryogenic dewar

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Manufacturer: Ambrell

Annealing lip on aluminum cryogenic dewar

Annealing lip on aluminum cryogenic dewar


Objective: Annealing a 1” lip on aluminum cryogenic dewar* that has been work hardened during the process of spin forming.


Frequency: 303 kHz


Equipment:
  • Ambrell 3.5 kW induction heating system, equipped with a remote workhead containing one 1.0 μF capacitor;
  • An induction heating coil designed and developed specifically for this application.

Material: Aluminum dewar, lip has a 3.24” (82.3mm) ID and is 0.05” (1.3mm) thick.


Temperature: 800 °F (427 °C)


Process:

A two turn helical coil is used to heat the lip on the cryogenic dewar. The dewar is placed in the coil and power is applied for 2 minutes to anneal the required 1” heat zone.


Benefits:
  • Hands-free heating that involves no operator skill for manufacturing;
  • Fast, controllable, accurate heating;
  • High efficiency, low energy cost;
  • Even distribution of heating;

* dewar is a glass or metal container for storing liquefied gases

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Annealing lip on aluminum cryogenic dewar


Objective: Annealing a 1” lip on aluminum cryogenic dewar* that has been work hardened during the process of spin forming.


Frequency: 303 kHz


Equipment:
  • Ambrell 3.5 kW induction heating system, equipped with a remote workhead containing one 1.0 μF capacitor;
  • An induction heating coil designed and developed specifically for this application.

Material: Aluminum dewar, lip has a 3.24” (82.3mm) ID and is 0.05” (1.3mm) thick.


Temperature: 800 °F (427 °C)


Process:

A two turn helical coil is used to heat the lip on the cryogenic dewar. The dewar is placed in the coil and power is applied for 2 minutes to anneal the required 1” heat zone.


Benefits:
  • Hands-free heating that involves no operator skill for manufacturing;
  • Fast, controllable, accurate heating;
  • High efficiency, low energy cost;
  • Even distribution of heating;

* dewar is a glass or metal container for storing liquefied gases