METHOD FOR PRODUCING AN INTEGRALLY BLADED ROTOR USING ARCUATE FRICTION WELDING, DEVICE FOR CARRYING OUT SAID METHOD, AND ROTOR PRODUCED BY MEANS OF SAID METHOD
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United States of America Patent
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app pub date -
Nov 12, 2010
filing date -
Nov 13, 2009
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Abandoned
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Abstract
A method for producing an integrally bladed rotor, in particular a gas turbine rotor, comprises the following steps:—Providing a blade (12) having a lower blade foot that has a joining surface (18);—Retaining the blade (12) in a retaining unit (20); and—Exciting the blade (12) to oscillate about an axis of rotation. A device for carrying out the method comprises a retaining unit, in which blade (12) can be solidly clamped in place, and an oscillating unit (24) that transmits translational oscillations to the retaining unit in a plane substantially parallel to joining surface (18), and a fixation unit (30) for establishing the axis of rotation.
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