Question

List out various types of sand molds​

Answer 1

• Sand moulds are formed using sand in combination with a binder. This binder may be clay and water (greensand) or a chemical (resin bonded). The sand mixture is placed in the pattern box and compacted so that it precisely fits the pattern. Sand moulds are used when large castings need to be made.

• 2. Different types of Molding Sand:

2.1 Backing sand or floor sand is used to back up the facing sand and is used to fill the whole volume of the molding flask.

2.2 Core sand.

2.3 Dry sand.

2.4 Facing sand.

2.5 Green sand.

2.6 Loam sand.

2.7 Parting sand.

2.8 System sand.