LOCAL HEAT TREATMENT OF IBR BLADE USING INFRARED HEATING
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United States of America Patent
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app pub date -
Jun 7, 2013
filing date -
Jul 18, 2011
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Abandoned
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Abstract
A device and method for locally heat treating at least one airfoil in an integrally bladed rotor device. A pair of IR heat sources are positioned to direct IR heat rays in the direction where local heat treatment is required. A pair of parabolic mirrors are positioned to direct the IR heat rays on to the metal component. The heat treating is useful after welding the airfoil on to the rotor device.
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