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DFMA as Applied to the Swingline 747 Desktop ... - University of Utah

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Analysis Run for Strongest Compression Member and Minimum Weight, Their<br />

Respective Index Values:<br />

Gray c<strong>as</strong>t iron 16<br />

Ductile iron 20<br />

Malleable iron 24<br />

Mild steel 5<br />

Alloy steel 100<br />

Stainless steel 0<br />

Aluminum alloy 47<br />

Beryllium copper 84<br />

Copper, hard 7<br />

Analysis Run for Strongest Compression Member and Minimum Cost, Their<br />

Respective Index Values:<br />

Gray c<strong>as</strong>t iron 100<br />

Ductile iron 96<br />

Malleable iron 94<br />

Mild steel 62<br />

Alloy steel 57<br />

Stainless steel 32<br />

Aluminum alloy 36<br />

Beryllium copper 0<br />

Copper, hard 34<br />

Part 11: Bot<strong>to</strong>m Staple Guide:<br />

The staple bot<strong>to</strong>m guide is made <strong>of</strong> aluminum alloy. No analysis w<strong>as</strong> carried out<br />

for <strong>the</strong> bot<strong>to</strong>m staple guide.<br />

Part 12: Upper Arm:<br />

The upper arm is made <strong>of</strong> alloy steel.<br />

43

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