Castings
process name
|
advantages
|
Disadvantages
|
Sand castings
|
Ä
Any metal can be cast
Ä
No limit size and shape
Ä
Less equipment cost
Ä
Economic for low volume production
|
Ä
Coarse final
Ä
Dimensional accuracy is not good
Ä
Finishing required
Ä
Less production rate
|
Individual
casting
|
Ä
Any metal can be cast
Ä
Good surface finish and dimensional accuracy
Ä
Fairly high production rate
Ä
Less finishing cost
Ä
Interlaced shape can be cast
|
Ä
High labor cost
Ä
Expensive patterns and mold
Ä
Limitation on part size
|
Die castings
|
Ä
Excellent surface finish
Ä
Excellent dimensional accuracy
Ä
High production rate
Ä
Complex shape can be cast
Ä
Little or no finish cost
|
Ä
Limitation on part size
Ä
High cost of die
Ä
Generally limited to casting of non ferrous metal
|
Lost-wax
casting
|
Ä
High production rate
Ä
Good dimensional accuracy
Ä
Good surface finishing
|
Ä
Expensive setup
Ä
Good for production of cylindrical parts only
|
Centrifugal
casting
|
Ä
No limit size and shape but mainly spherical
Ä
Surface finishing smooth
|
Ä
Not all alloys can be cast in this way
Ä
An inaccurate diameter of the inner surface of the casting
|
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Comparison of casting processes
Here are the Comparison of casting processes in a table. Thanks. Feel free to comment.
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