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A Design Study in Steel - ME Elecmetal Crawler Track Shoe

Option B -- Lugs Down

In Option B, the lug features are positioned in the bottom/drag section of the mold.  The road surface of the shoe is positioned high in the cope section of the mold.

This orientation puts the critical lug features low in the mold, where they are isolated from inclusions and porosity.

If inclusions and porosity do develop, they will be segregated in the less-critical road surface area of the shoe.

"Lugs down"  is the best orientation for producing a flaw-free casting. 
Go on to the next design issue.


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Copyright 2006  by the Steel Founders' Society of America   All rights reserved. 
Address comments to: blairr@sfsa.org
Last Modified:July, 2006 by STG

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