. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CASTINGS IN ACTION
Investment Casting Gives UAV Engine the Strength to Soar
Cast Component: Crank case. Material: Proprietary aluminum alloy. Process: Investment.
Casting Supplier: Aristo-Cast, Almont, Mich.
• Ricardo, Belleville, Mich., needed to develop an engine that was light and strong enough to handle the duties of heavy-fuel unmanned aerial vehicles, which are used for border protection, drug interdiction, and fi refi ghting. Aristo-Cast worked with Ricardo to develop a pressure- tight crank case and a proprietary aluminum alloy for the engine that would handle all of these requirements.
• The supplier cast fi ve sets of the crank cases, which were put through rigorous tests before being installed in the vehicles. After installation, the vehicles themselves were tested before being put to use. The whole process, from concept to production, took six months.
JULY/AUGUST 2011
METAL CASTING DESIGN & PURCHASING
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