Article: On track with added value: a metalcasting facility's responsibilities don't have to end after the final casting is poured. This article details how a truck assembly for a mass transit train was produced by a metalcaster from engineered concept to finished assembly.

The Washington Metropolitan Area Transit Authority (WMATA), Washington, D.C., operates the second largest rail transit system in the U.S. Its rail cars gave riders a total of 190 million trips in 2004 alone on its 103-mile rail network. It services a metro area of 1,500 sq. mi. and utilizes 86 stations. Commuters and tourists alike depend on the rail to deliver them to their destinations in the U.S. Capitol. Below the riders' feet, zooming directly over the rails, are the steel truck assemblies that hold the working parts of the railcar together and faithfully support the cargo above. The assemblies are compact, complex structures that coordinate its sturdy, ...

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