SKM754C-69-17102513271_0007.jpg - 4pt ME 467 Exam 1 Fall 2017 NAME 18 You make an aluminum-copper alloy casting in a sand mold Your company has

# SKM754C-69-17102513271_0007.jpg - 4pt ME 467 Exam 1 Fall...

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Unformatted text preview: 4pt ME 467 Exam 1 Fall 2017 NAME: 18. You make an aluminum-copper alloy casting in a sand mold. Your company has successfully been using 3 Chaplets below the core and 4 Chaplets above the core for the aluminum product, but now you are to make the same casting out of lead. How many Chaplets will now be neeged below the cone To} the lead casting? The aluminum—copper product (part) cavity is 0.5 m3 in volume. The mold uses a horizontal sand core that has a volume of 0.01246 m3. The alloy density is pa = 2810 kg/m3, the density of the sand core is pc = 1600 kg/m3 , and the density of lead (p Pb = 11300 kg/m3 ). Give your answer through speciﬁc calculation or justiﬁcation for full credit. __‘”M,_,.— M Page 7 of 13 ...
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