Material Processing and Forming Techniques

Question 1

What are the two types of casting ?

Answer 1

Sand casting and die casting.

Question 2

What is casting ?

Answer 2

Casting is the pouring, or forcing of molten metal into a cavity and then allowing the metal to cool and solidify.

Question 3

What are pros and cons of sand casting ?

Answer 3

Pros: inexpensive, complex shapes can be produced, large components can be produced.
Cons: labour intensive, slow production rate, poor surface finish.

Question 4

What are the pros and cons of doe casting ?

Answer 4

Pros: high production rate, good surface finish, economical for large production.
Cons: high set up costs, long lead time, limited sizes.