template. A 3D scanner can take objects from real life and digitize
them as 3D models. Engineers can use these models to define spatial
constraints and connection points with other parts and loads. Using
design software allows the engineer to perform a stress analysis and
apply optimization, essentially reverse-engineering the part to build
something new.
Examples of this are topology optimization – the process of removing
all non-load-carrying material – and cellular lattice-based
optimization, which hollows out solid material and replaces the
internal structure with a skeletal web of lattice shapes.
Quality assurance is the next step. Since additive manufacturing
may cause material imperfections within the parts it builds, a quick
look-over is not enough to ensure integrity. Computed-tomography
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(CT) scan is one solution: an industrial CT scanner uses X-rays to
capture a series of 2-D cross-sections and stitches them together to
form a highly detailed 3D image. This allows engineers to perform a
material inspection and verify quality without destroying the part.
The remaining challenge for experts is identifying industrial
processes where 3D printed parts offer the most benefit for their
cost. Additive manufacturing may be of niche interest to industry,
but for broader applications, there’s value in deconstructing
processes and re-evaluating them through the perspective design
freedom provides.
Learn more about SRC’s Industrial Engineering services by
visiting www.src.sk.ca/services/industrial-engineering.
SASKATCHEWAN RESEARCH COUNCIL
48 Think BIG | Quarter 3 2019 | saskheavy.ca
/www.eyesafesk.ca
/industrial-engineering
/saskheavy.ca