METHOD FOR MANUFACTURING A TURBINE ENGINE VANE
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Abstract
Fabricating a blade by 3D weaving a preform that is to be impregnated with resin. According to the invention, the visibility of the cut ends of certain yarns of the preform (16), e.g. the warp yarns, is accentuated in order to cause curved lines (20) to appear, and the configuration of these curved lines is compared with a reference configuration in order to shape the preform properly.
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Citations
16 Claims
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1-11. -11. (canceled)
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12. A method of fabricating a blade by 3D weaving a preform in which warp yarns and weft yarns are cut at predetermined locations in order to define the outlines and the volume of said preform, said preform is shaped, and said shaped preform is impregnated, the method comprising:
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ensuring that the cut ends of at least some yarns are visible so as to make curved lines appear; comparing the configuration of these curved lines with a reference configuration; and using the result of the comparing the configuration for preparing the blade. - View Dependent Claims (13, 14, 15, 16)
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Specification