This paper describes the inner workings of a gas quenching chamber and assesses its potential for high-volume production of precision gears. The cooling manifold in the chamber surrounds the part, which sits on a rotating table. This ensures uniform flow of cooling gas across the top, bottom, and sides of the part and achieves uniform and repeatable quenching results. In addition, because the cooling nozzles can be adjusted to fit the geometry and size of the part, distortion can be effectively controlled.

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