Describe the processes of sand casting and investment casting.
Sand casting :
-It involves the use of a furnace, metal, pattern, and sand mold.
-The metal is melted in the furnace and then ladled and poured into the cavity of the sand mold, which is formed by the pattern.
-The sand mold separates along a parting line and the solidified casting can be removed.
Investment casting:
-It is a manufacturing process in which a wax pattern is coated with a refractory ceramic material.
-The ceramic material is hardened its internal geometry takes the shape of the casting.
-The wax is melted out and molten metal is poured into the cavity where the wax pattern was.
Get Answers For Free
Most questions answered within 1 hours.