CASTINGS in a


n action Aluminum Casting Helps U.S. Navy Conduct Torpedo Training


Cast Component: Torpedo forebody. Material: A356 aluminum. Process: Nobake sand molding.


Application: Cylinder housing for practice torpedo.


Casting Supplier: AlumAlloy Co., Ontario, Calif.


Dimensions: 4 ft. Customer: U.S. Navy, Washington, D.C.


• Compared to other components hogged out from solid billet, the 210-lb. casting represented a signifi - cant cost savings.


• AlumAlloy’s proprietary vertical molding process allowed the castings, with wall thicknesses varying from 0.25 in. to 2 in., to pass X-ray inspection.


• T e aluminum-bodied torpedoes are used for prac- tice and meant to be recoverable and reusable.


16 | METAL CASTING DESIGN & PURCHASING | Nov/Dec 2015


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