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Pros / Cons
Advantages:
- Intricate shapes with
undercuts, reentrant angles, and complex contours, which would
be very difficult to machine, are practicable to cast by sand-mold
methods.
- The product can be
reassessed by the designer by conducting a stress analysis. Metal
can be removed in areas of low stress and added in areas of high
stress with relatively simple alterations to the pattern.
- Almost any metal that
can be melted can be cast.
- Cast components are
usually stable, rigid, and strong compared with parts made by
other processes.
Disadvantages:
- Sand-mold castings
have irregular, grainy surfaces. Dimensional variations are expected.
- If the casting has
a moving contact with other parts or if seals are required, then
the casting should often be machined.
Click
here for a comparative table of the advantages and disadvantages
of all metal casting processes discussed in MAS.
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