Casting

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Shell mold casting • Fine sand mixed with a resin is heated by the pattern and hardened into a shell around the pattern • Can produce castings with close dimensional tolerances, good surface finish and low cost. <strong>Casting</strong> Manufacturing Processes © 2011 Su-Jin Kim GNU
Plaster(석고) mold casting • Plaster is mixed with water and poured over the pattern. • Accurate, good surface and low melting point alloy <strong>Casting</strong> Manufacturing Processes http://www.youtube.com/watch?v=xPSI1wUOBnk&p=9B6D9EAE75875D9D © 2011 Su-Jin Kim GNU
Page 1 and 2: Casting Manufacturing Processes ©
Page 3 and 4: Casting • Casting is a manufactur
Page 5 and 6: Fluid flow of mold filling Gravity
Page 7 and 8: Heat transfer • Heat flow depends
Page 9 and 10: Shrinkage • Shrinkage in casting
Page 11 and 12: Sand casting • Use expendable san
Page 13: Sand casting Casting Manufacturing
Page 17 and 18: Investment casting (lost wax castin
Page 19 and 20: Non-expendable Mold Casting Process
Page 21 and 22: Die casting The molten metal is for
Page 23 and 24: Centrifugal casting • Molten meta
Page 25 and 26: Casting process comparison Process
Page 27 and 28: Cost of casting Sand casting • To
Page 29 and 30: Rate of Casting Sand casting • De
Page 31 and 32: References • POSCO: http://www.po
Page 33 and 34: Phase diagrams • A phase diagram
Page 35 and 36: Microstructure • Metals solidifie
Page 37 and 38: Ceramic-mold casting • A ceramic
Page 39: Squeeze casting • The combination

Casting

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