Process of making braided composite part

Details Process of making braided composite part Process of making braided composite part

1995-06-07

1997-04-29

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

156148, 156155, 156173, 156174, 156175, 156245, 264136, 264137, 264152, 264157, 264159, 264257, 264258, 264317, B29C 7030, B32B 512, B32B 3100

Patent

active

056246188

ABSTRACT:
A multi-vane structure for incorporation in an aircraft gas turbine engine has vanes of complex geometry made of braided fibers which are continuous about the cavities defined by the vanes. These complex geometry parts are prepared by providing a plurality of removable mandrels, stacking the mandrels along a horizontal axis in a cavity end to cavity end configuration, braiding about the mandrels, cutting the mandrels adjacent the cavity end faces, side stacking the mandrels so the faces are placed in a parallel orientation and molding. Utilizing braided fibers instead of hand lay-up woven fibers eliminates seams and produces cavities having continuous fibers about the periphery thereof which substantially increases the strength and dimensional reproducibly of the part.

REFERENCES:
patent: 5152860 (1992-10-01), Grossman et al.

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