Best-In-Class Coolant Collector


Stahl Specialty Company, Warrensburg, Missouri


Material: 356 aluminum. Process: Semi-permanent mold. Weight: 25.47 lbs. Dimensions: 41 x 14 x 6 in. Application: 15L diesel engine coolant collector.


• T e complexity of this coolant collector casting is unique to the customer and presented a design challenge of maintaining core position and wall thickness given the long span between core prints. Leak testing was required at 36 psi with a maximum allow- able fl ow rate of 4 cc/minute. In addition, the casting provider overcame a high incident of out- gassing of “core gas” during the casting process.


• T ree separate chambers in the compact part distribute coolant from the radiator to separate areas of the engine. T e aluminum cast- ing provides a signifi cant weight savings from its predecessor.


26 | METAL CASTING DESIGN & PURCHASING | May/Jun 2013


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