Honorable Mention Sprocket Aarrowcast Inc., Shawano, Wisconsin
Material: 100-70-03 ductile iron. Process: Green sand. Weight: 768.2 lbs. Dimensions: 41.5 in. x 19.76 in. Application: Drive sprocket for rubber track system.
• Initially designed as a 39-piece steel fabrication, the cast sprocket transfers power provided by the lower powertrain to drive the rubber track that is engaged to propel the tractor.
• Casting benefits included a more concentric part, better cosmetics and supply chain improvements due to fewer processing steps.
Honorable Mention
Body-in-White Castings Magna Cosma Casting Michigan Battle Creek, Michigan
Material: Aluminum aural 2 and aural 5S. Process: High pressure vacuum diecasting. Weight: Combined weight of 120 lbs Dimensions: Varies.
eight of 120 lbs.
Application: Structural body components for the General Motors CT6.
• The 13 body-in-white aluminum castings were converted from a steel assembly, reduc- ing weight by 30% for better fuel efficiency.
• The castings included the tunnel, front body hinge pillar, rear shock tower, outer torque box and inner torque box.
32 | MODERN CASTING May 2016
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