Fundamental casting:
Fundamental casting is also known as Green Sand Casting" or "Green Sand Moulding, These are the most fundamental moulding methods, at present used in today's casting practices, in spite of of the metal alloy, or molten - liquid material being poured. Things utilized to be casted even before biblical times, by using these very concepts.
![1605_Fundamental casting.png](https://www.expertsmind.com/CMSImages/1605_Fundamental%20casting.png)
Figure: Sand Moulding
All of casting techniques employed in the rest of the casting and moulding procedure are in various ways, just as sand casting, or green sand moulding. Along some thought and imagination, you might always see the drag and cope principle of casting. The different techniques of molding and casting procedure are used to attain a desired end product that has a special need in the market place. This special requires prompted man to develop special procedures.
Examples of usage shall be Air movement components (fan blades), shafts, hubs, tubes, , squares, holes, rectangles ,no holes, the list is endless.