METHOD AND APPARATUS FOR JET GAS IMPINGEMENT QUENCHING
METHOD AND APPARATUS FOR JET GAS IMPINGEMENT QUENCHING Method and apparatus is provided for quenching a metal workpiece by an inert gas at ambient temperature. Jet streams of gas coolant at high velocity and flow rates are directed in a balanced arrangement against opposing workpiece sides and the j...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | METHOD AND APPARATUS FOR JET GAS IMPINGEMENT QUENCHING Method and apparatus is provided for quenching a metal workpiece by an inert gas at ambient temperature. Jet streams of gas coolant at high velocity and flow rates are directed in a balanced arrangement against opposing workpiece sides and the jets are correlated to the thickness of the workpiece sections to achieve uniform cooling rates with minimal workpiece distortion. A flow straightening grid in combination with a variable sized aperture plate achieves the desired jet streams in an adjustable plenum arrangement which directs the streams against the top and bottom surfaces of the workpiece. |
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