Using the Essentium HSE 180 ST 3D Printer, engineers at the 101st ARW created a training aid for the outboard aileron balance tab in one weekend. This part is a critical flight control component with aircraft attachment points that frequently wear out. To repair them, guardsmen machine new holes, install bushings, inspect for accuracies, and install them to return the outboard aileron balance tab to original factory specs. However, access to spare aileron balance tabs is limited and typically reserved for real-world repair needs. Combined with the challenges of retaining experienced professionals in aileron balance tabs, these parts are difficult to maintain.
An incorrect repair can permanently destroy an aircraft part, requiring a replacement. It can result in a downed aircraft if the part is not immediately available. In the worst-case scenario, if the part is not repaired correctly and becomes a safety-of-flight issue, it could lead to the loss of aircraft.
For an effective training aid, the part must maintain its dimension when aluminum components are pressed into it. The engineers at 101st ARW chose Essentium PCTG due to its low cost, excellent surface finish, and impact strength. By using the Essentium HSE 180 ST 3D Printer and Essentium PCTG, the 101st ARW now have rapid and repeatable access to these rare parts.
"For this application, we chose Essentium over other printers because it can print faster and more accurately with external dimensions. The material cost is also relatively less," said Master Sgt. Jason Howes. "You can't put a value on having proficiently trained guardsmen. The confidence they get from putting their hands on the product, understanding what the result will look like, and gaining muscle memory is simply invaluable."
Using the scale model of the part created by the Essentium HSE, guardsmen can use technical data that applies to the component to repair it, the same way they would with the actual part.
Said Blake Teipel, Ph.D., CEO, Essentium, "This valuable tool has also caught the attention of other local military components, such as the Maine Army National Guard, who began requesting similar training aids for their rotary aircraft. We're excited that the Essentium HSE is currently being used as a cross-functional force multiplier that can shape the future of readiness across the joint force."
Essentium, Inc. provides industrial 3D printing solutions that are disrupting traditional manufacturing processes by bringing product strength and production speed together, at scale, with a no-compromise engineering material set. Essentium manufactures and delivers innovative industrial 3D printers and materials, enabling the world's top manufacturers to bridge the gap between 3D printing and machining and embrace the future of additive manufacturing. Essentium, Inc. is AS9100 certified and ITAR registered.
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