Aerospace & Defense Technology - June 2024 - 13
Aerospace Manufacturing
A comparison of the surface quality for the 3D-printed flange wheel on the left
and the metal flange wheel on the right. (Image: Aitiip)
to reduce unit costs while still using a 3D-printed xMOLD
core and an xPEEK insert to avoid costly investments in
complex slider functionality. The resulting mold concept
meets customer requirements at the lowest achievable costs
of ownership.
The ability to rapidly and cost-effectively test out a number
of tool concepts was a key element in the project's ultimate
success. The complex design of the part, combined with the
complex processing of the carbon-filled PEEK, and with the
added challenge of integrating a 3D-printed xPEEK insert in
an injection-molded part, would have made this project very
hard and costly to realize with conventional metal tooling,
due to the substantial investments involved.
Aerospace parts manufacturers are met with rigorous part
quality requirements, and lighter weight is always an objective.
In addition, manufacturers seek ways to increase the implementation
of recycled materials.
Liebherr wanted to explore a lighter-weight alternative to
the metal used in manufacturing a high-performance flange
wheel and collaborated with Aitiip to develop and verify a part
design and manufacturing process that would enable Liebherr
to migrate from metal to recycled polymer.
In successfully completing this project, Aitiip provided Liebherr
with the following key output:
* A verified protocol for the manufacturing of a specific challenging
spare part, which allows Liebherr to reduce costs, lead
times, and supply chain vulnerabilities.
* A reference study demonstrating the performance achievable
with novel 3D-printed injection mold tooling concepts
and novel 3D-printer resins.
* A reference model for high mix / low volume product development,
scale-up, and after-market servicing based on an
on-demand manufacturing platform as an alternative to
on-stock supply chain paradigms.
This article was written by Lasse Staal, Director of Business,
Freeform Injection Molding, Nexa3D (Ventura, CA).
For more information, visit www.Nexa3D.com.
Aerospace & Defense Technology, June 2024
mobilityengineeringtech.com
13
http://info.hotims.com/86256-740
http://www.Nexa3D.com
http://mobilityengineeringtech.com
Aerospace & Defense Technology - June 2024
Table of Contents for the Digital Edition of Aerospace & Defense Technology - June 2024
Aerospace & Defense Technology - June 2024 - Intro
Aerospace & Defense Technology - June 2024 - Sponsor
Aerospace & Defense Technology - June 2024 - Cov1A
Aerospace & Defense Technology - June 2024 - Cov1B
Aerospace & Defense Technology - June 2024 - Cov1
Aerospace & Defense Technology - June 2024 - Cov2
Aerospace & Defense Technology - June 2024 - 1
Aerospace & Defense Technology - June 2024 - 2
Aerospace & Defense Technology - June 2024 - 3
Aerospace & Defense Technology - June 2024 - 4
Aerospace & Defense Technology - June 2024 - 5
Aerospace & Defense Technology - June 2024 - 6
Aerospace & Defense Technology - June 2024 - 7
Aerospace & Defense Technology - June 2024 - 8
Aerospace & Defense Technology - June 2024 - 9
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Aerospace & Defense Technology - June 2024 - 11
Aerospace & Defense Technology - June 2024 - 12
Aerospace & Defense Technology - June 2024 - 13
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Aerospace & Defense Technology - June 2024 - Cov3
Aerospace & Defense Technology - June 2024 - Cov4
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