Recently intensive research and development work have been done on bearingless rotor systems to improve flight performance, reliability and maintainability of rotorcraft. Kawasaki Heavy Industries also have developed all composite bearingless rotor systems for over ten years. The critical components of the bearingless rotor system, such as a hub plate and torsion elements, are very thick complex shaped composite parts which are comprised of highly complex lay-ups. To fabricate these components with excellent quality and reasonable cost, an innovative automated lay-up and a new molding process are required. For this purpose, we developed a robotic roving placement system and a new molding process named Matched-die Isostatic Pressing (MIP). These new manufacturing methods contribute to the improvement of quality and reliability and also to the cost reduction. This paper will describe our unique fabrication process of thick complex contoured composite parts such as bearingless rotor hub components.
Fabrication of the thick composite structure
1997
10 Seiten, 10 Bilder, 3 Quellen
Conference paper
English
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