Special casting techniques:
Classification:
a) Metal mold casting
1) Gravity or permanent mold casting
2) Die casting – A) hot chamber process
b) B) cold chamber process
3) Slush casting
4) Pressed or carthias casting
c) Non-metallic mold casting
1) Centrifugal casting:
- True centrifugal casting
- Semi centrifugal casting
- Centrifuge casting
2) Carbon dioxide molding
3) Investment mold casting or lost-wax process
4) Shell molding
5) Plaster molding
6) Mercast process
d) Continuous casting
1) Reciprocating molds draw casting
2) Stationary mold
3) Direct sheet casting
Casting can made in:
a) Permanent molds: made up of ferrous metals and alloys (steel, gray cast iron etc.)
b) Temporary refractory molds: made up of refractory sands and resins.
