casting - 2.4_3 Casting Processes pouring a liquid...

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2.4_3 Casting Processes pouring a liquid material (molten metal) into a prepared mold materials: iron steel aluminum brass bronze magnesium certain zinc alloys iron is used most often - fluidity, low shrinkage, strength, rigidity, and ease of control Chap 2, Casting – p. 1
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Six factors of the casting process: 1) A mold cavity must be produced. - must have desired shape - must allow for shrinkage of the solidifying metal - a new mold must be made for each casting, or a permanent mold must be made 2) A suitable means must exist to melt the metal. - high temperatures - quality mix - low cost 3) The molten metal must be introduced into the mold so that all air or gases in the mold will escape. The mold must be completely filled so that there are no air holes. 4) The mold must be designed so that it does not impede the shrinkage of the metal upon cooling. 5) It must be possible to remove the casting from the mold. 6) Finishing operations must usually be performed on the part after it is removed from the mold. Chap 2, Casting – p. 2
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This note was uploaded on 09/05/2011 for the course EML 2322l taught by Professor Staff during the Spring '08 term at University of Florida.

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casting - 2.4_3 Casting Processes pouring a liquid...

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