Method of manufacturing composite structural beams for aircraft
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United States of America Patent
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N/A
Issued Date -
Jan 19, 2006
app pub date -
Jun 16, 2005
filing date -
Jun 21, 2004
priority date (Note) -
Abandoned
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Abstract
For the manufacturing of a beam of composite material based on carbon fibre, a support plane is overlain with a plurality of mats of carbon fibre pre-impregnated with resin so as to obtain at least one flat laminate. Then at least one edge of the flat laminate is cut at a pre-determined cut angle different from 90.degree. with respect to the support plane. Then the flat laminate is placed on a shaping tool. Then the laminate is hot shaped so as to copy the shape of the shaping tool bending at least one part of the laminate delimited by the cut edge in such a way that the cut edge defines, at the end of the bending phase, a surface orientated perpendicularly with respect to the bent part. Finally temperature and pressure is applied in such a way as to polymerise the resin contained in the layers of matting.
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