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Fig. 2: Fiber orientation in the cantilever (cross-sectional view)
the injection mold simulation is factored in. The cantilever
has to be moved approximately 1.5 mm to separate the
joint. The predicted activation force from the isotropic
calculation is 1.5 times greater than that of the anisotropic
calculation, and this clearly shows how important it is to
take fiber orientation into account.
Potential applications
This case study demonstrates the huge potential of linking
injection molding simulation with finite element structural
analysis. Computational engineers can fully exploit the
advantages of fiber-reinforced plastics and design parts
which are compatible with the plastic they are using. Work
is ongoing on these technologies and material models. The
goal is to model the material behavior as accurately as
possible, reduce time to market, make the results more
reliable and design products that are suitable for the
production process and the application.
ACTIVATION FORCE [N]
anisotropic
isotropic
Thomas Heimann
Project Engineer, Germany
HARTING Technology Group
thomas.heimann@HARTING.com
ACTIVATION way [mm]
Fig. 3: Comparison of isotropic and anisotropic FE structural analysis
Matthias Keil
Computational Engineer, Germany
HARTING Technology Group
matthias.keil@HARTING.com
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