METHOD FOR COMPENSATING FOR THERMAL DISTORTION OF A PART
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United States of America Patent
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Aug 1, 2016
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Aug 1, 2016
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A method of manufacturing an annular case or part such that distortion due to operational conditions is reduced. The method of manufacturing includes the steps of: identifying a distortion-shape of the base configuration as it would occur by modeling operational conditions; identifying a counter-distortion-shape which is the geometric difference between a predetermined base pattern and the distortion-shape; designing a base-counter-distortion-shape such that the base-counter-distortion-shape includes pseudo-flanges; creating a modified-base-configuration by adding the pseudo-flanges to the base configuration design positioned in locations analogous to that in the base-counter-distortion-shape; and manufacturing the high pressure compressor aft-section according to the modified-base-configuration.
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