Core Burnout / Thermal Sand Removal / Sand Bakeout

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Core Burnout / Thermal Sand Removal / Sand Bakeout

Sand castings sometimes retain sand cores that are too large to safely heat treat. Large sand cores can cause steam explosions when they quench, therefore, if sand core weight is =/> 10% of the casting weight, it requires a core burnout. The material is put through the solution process but does not quench. Sand becomes free flowing and can be dumped or blown out.

BENEFIT

  • Prepares the parts for solution heat treating
  • Ensures safety of personnel by preventing steam explosions
  • Offers increased cleanliness of finished sand-cast parts

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