Casting means the pouring of molten metal into a mould, where solidification occurs.
Advantages of Casting Process
(i) It is the cheapest method of fabrication.
(ii) Objects of large sizes can be produced easily.
(iii) The object having complex and complicated shapes can usually be cast.
(iv)Almost all the metal alloys and some plastics can be cast.
(v) Casting with wide range of properties can be produced by adding various alloying elements.
Classification of Casting Process
1. Sand mould casting
2. Plaster mould casting
3. Metallic mould casting
(i) Die casting
(ii) Slush casting
(iii) Pressed casting
(iv) Permanent mould casting
4. Centrifugal casting
5. Continuous casting
6. Investment casting
7. CO2-mould casting
8. Precision casting