We will compare and contrast the shell mold process with investment casting and green sand casting based on the following aspects.
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Surface finish
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Dimensional tolerances
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Tooling costs
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Labor costs
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Typical production rate
Metal Casting Comparison Chart
|
Shell Molding |
Investment Casting |
Green Sand Casting |
Tolerances |
+/- .03-.06 in. |
+/- .005-.01 in. |
+/- .06 in. |
Surface Finish |
Good |
Very Good |
Normal |
Tooling Costs |
High |
Medium |
High |
Labor Costs |
Medium |
High |
Low |
Typical Production Volume |
High |
Low |
High |
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