in action CASTINGS


Aerospace Pump Casting Passes Stringent Inspection


Cast Component: Main lubrication pump. Material: Aluminum-silicon alloy. Process: Investment casting.


Application: Commercial aircraft turbine engine.


Casting Supplier: Uni-Cast/Cera-Met, Bethlehem, Pa.


• T e casting features a smooth external fi nish and internal passages that cannot be machined.


• T e 12 x 9 x 13-in. casting is manufactured with 15 individual soluble wax cores. Curved internal pas- sages measure 0.2 in. in diameter and 11 in. in length.


• T e casting must pass internal pressure testing at 800 psi, and the external grade B areas require stringent ray inspection.


Information courtesy of Investment Casting Institute


18 | METAL CASTING DESIGN & PURCHASING | Jan/Feb 2012


Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60  |  Page 61  |  Page 62  |  Page 63  |  Page 64