SKM754C-69-17102513280_0007.jpg - ME 467 Exam 1 Fall 2017 NAME 18 You make an aluminum-copper alloy casting in a sand mold You are using chaplets that

# SKM754C-69-17102513280_0007.jpg - ME 467 Exam 1 Fall 2017...

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Unformatted text preview: ME 467 Exam 1 Fall 2017 NAME: 18. You make an aluminum-copper alloy casting in a sand mold. You are using chaplets that can support up to 25 N of weight. 4 pt How many chaplets will be needed below the core for the casting? The aluminum-copper product (part) cavity is 0.5 m' in volume. The alloy density is pa = 2810 kg/m', The mold uses a horizontal sand core that has a volume of 0.01246 m'. The density of the sand core is pc = 1600 kg/m' Give your answer through specific calculation or justification for full credit. Mcore = Vepsand = (0. 01246 mix) (1620 *5 /on?) = \$ 19. 936 kg W. = ma = ( 19. 936 ( (5 ) ( 9, 8/ m / 52 ) = 195, 572 Kg- 25 152 / WC 195, 572 N # choplets - N/choptet = 17.822 &quot;chaplet #* cheplets : 8 he low the care C Page 7 of 13...
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