Permanent mould casting is a process makes use of a reusable metal mould that made from metal. This process involves pouring molten metal into a mould where cools and solidifies after that mould is opened, casting is removed and mould is reused. Let us have a deep insight into the advantages provided by using this casting process.
Advantages of permanent mould casting :
- Close dimensional tolerance can be obtained.
- This process is economical for large scale production as the labour involved in the mould preparation is reduced.
- Produce a very good surface finish of the order of 4 microns.
- Better appearance.
- This process produces a fine-grained casting with superior mechanical properties because of the metallic mould used.
- Small cored holes may be produced as compared to sand casting.
- Inserts can be readily cast in place.
- Increases repeatability of casting.
- Finer grain structure can be obtained.
- High volume production runs.
- Less expensive than investment and die casting.
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