Advantages and Disadvantages of Dry Sand Moulding

Advantages and Disadvantages of Dry Sand Moulding Points : Advantages and Disadvantages of Dry Sand Moulding Advantages

1. The better quality of sand mixture owing to removal of moisture can result in a greatly smoother finish on castings than if prepared in green sand molds.
2. Cause difficulties designs necessary for engines and automobiles can designed by relative easiness.
3. Precision is conditions of dimensions, size, designs, is the major advantage.
4. While a costly process, here accuracy is maintain in all respect.
5. A method is favored by big foundries.

Disadvantages

1. This kind of molding is expensive than green sand molding and is not a high-production method.
2. This is not proper for large with heavy size castings, as they are hard to bake.
3. Baked moulds above and under baked is one more difficulty.
4. Use extra time, labour and rate due to baking process.
5. Elevated capital rate of bake ovens.