USE OF NO-BAKE MOLD PROCESS TO MANUFACTURE SIDE FRAME AND BOLSTER FOR A RAILWAY TRUCK
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Nov 28, 2016
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Jan 11, 2010
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Abstract
A method for casting a railroad component such as a component of a railway car truck. The component of the railway car truck may be, e.g., a side frame or a bolster of the railway car truck. The method includes manufacturing the railroad component made of steel in a no-bake manufacturing process including use of a chemically-bonded sand system that results in a sand mold from which the railroad component is cast. The railroad component resulting from the no-bake manufacturing process has a surface finish less than 750 micro-inches RMS, resulting in increased fatigue life compared to a railroad component manufactured by a green sand process.
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