Honorable Mention Boom Foot
Joy Global Surface Mining Milwaukee, Wisconsin
Material: AISI 4320 (modifi ed). Process: Nobake. Weight: 3,212 lbs. Dimensions: 50 x 36 x 17 in. Converted From: Fabrication.
• Converting to a casting resulted in a total weight reduction of 638 lbs. and a 57% reduction in cost, in addition to a lead time reduction of three weeks.
• Lightening the internal pocket area gave way to a weight reduction that allows for more mining material weight in the dipper, a strong sales point.
30 | METAL CASTING DESIGN & PURCHASING | May/Jun 2013
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