Saturday, 31 December 2011

Different casting process and the molding practices

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.

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