Lethbridge Iron Works (Lethbridge, Alberta, Canada) won the award
Material: Ductile iron ASTM A536 65-45-12.
Process: Horizontal green sand.
Weight: 68 lbs.
Dimensions: 36 x 16 x 8 in.
Application: Frame for mounting seeding components.
• The serrated teeth were originally achieved by bolting a separate casting to the fabrication. The final casting design incorporated the serrated teeth and therefore eliminated the need for a separate bolt on casting.
• The original design's length limited the number of impressions in a mold that resulted in the conversion not being cost effective. A collaborative redesign reduced the casting size and allowed for a multi-impression pattern.
Green Sand Foundry News from MODERN CASTING Magazine
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