Topology Optimization of Castings
Martin Risberg, Swerea
In a R&D project Swerea SWECAST (the Swedish Institute
of Casting
Technology) has worked close to the Swedish
industry to establish foundation of knowledge
for volume- and weight-intelligent solutions
of advanced cast components.
The project has worked with products used by
the heavy truck industries, wheel loaders, etc.
The overall
purpose was lower weight on components. The
goal is to create more knowledge through the whole
product chain; from design, choosing material,
manufacturing, heat treatment
and machining.
In the project Topology Optimization
with Altair OptiStruct has been used on a
number of components in
order to reduce weight. Involved industry
partners are: Indexator AB, HIAB
AB, Scania and Volvo 3P.
A working method for
optimization of cast components has been
implemented in the product development process. A Volvo
component developed with this process is
on the market; used by both Volvo and Renault trucks. Scania
is performing rig
test on one if the two new designs. HIAB
and
Indexator are soon launching new topology
optimized designs in the production.
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