Software Tour
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Overview
LUSAS HPM software can accurately
predict the distortion of laminated composite parts during manufacture
and provide reverse engineered surfaces to create "right first
time" tooling. As a result considerable savings can be made in
time to market. Manufacturing time and costs are less, assembly
stresses are lowered, and the time-consuming fitting of any shims are
eliminated.
Background
to Composites
Manufacture
 During the cure of a composite part
residual stresses develop resulting in distortion of the component
from its moulded shape. This causes potential difficulties in its
use in product assembly. In aircraft airframe applications it is
estimated that a high percentage of the costs associated with
composite parts occur during the assembly process. This is mainly
due to the distortion of individual components and the time
associated with the rework and shimming processes required to
accommodate these distortions. As an example, an aircraft assembly
may require a significant amount of shimming to correct errors due
to component distortion. Historically trial and error tooling
changes have been carried out in order to try to achieve the desired
post-cure part shape but a more accurate and less ‘hit and miss’
method needed to be found. As a result, LUSAS HPM software was developed.
Back to Top | Modelling
in LUSAS HPM
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