Cobra Aero invests in Renishaw AM 400 system following collaboration

Cobra Aero invests in Renishaw AM 400 system following collaboration
Renishaw and Cobra Aero partnered on the development of an additively manufactured lattice structure to increase airflow (Courtesy Renishaw/Cobra Aero)

Cobra Aero, an engine
manufacturing company based in Michigan, USA, has invested in a Renishaw
AM 400 metal Additive Manufacturing system from Renishaw, headquartered in
Wotton-under-Edge, Gloucestershire, UK, after working with Renishaw to
optimise the design of its engine cylinders by AM. 

According to Renishaw, Cobra
Aero worked with the company to gain expertise in Additive Manufacturing,
visiting Renishaw’s USA Additive Manufacturing Solutions Center. The companies
collaborated to improve the design of a cylinder for an unmanned aerial vehicle
(UAV); according to Cobra Aero, the use of AM allowed the company to
design a cylinder which incorporated a lattice structure to increase airflow,
as well as being strong and lightweight. 

“Staying at the
cutting-edge of manufacturing is important to Cobra Aero,” explained Sean
Hilbert, Cobra Aero President.
“Investing in AM allows us to develop tools and new products for
high-value, small-volume applications, speed up the manufacturing process and
produce designs that would not be possible using conventional subtractive

Hilbert added, “We
decided to redesign the cylinder because of its importance in an engine. Design
changes to this part of the engine must happen rapidly, and it is also a high
value part, which is why we have chosen to additively manufacture this
component. Improving the performance of the cylinder will also improve the
overall performance of the engine.”

Stephen Anderson, AM Business
Development Manager, Renishaw – USA, stated, “By using metal Additive
Manufacturing, Cobra Aero was able to design a part that was unique to the
application. By using our Laser Powder Bed Fusion (L-PBF) technology, Cobra Aero
was able to produce a single part with complex lattice structures that performs
better than conventional component manufacturing techniques.”

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