Question

shell moulding means what?explain its process​

Answer 1

Answer:

Shell moulding, also known as shell-mould casting, is an expendable mold casting process that uses a resin covered sand to form the mold. As compared to sand casting, this process has better dimensional accuracy, a higher productivity rate, and lower labor requirements.

Answer 2

An act or process of molding specifically :the shaping of the fetal head to allow it to pass through the birth canal during childbirth. Molding is a technique through which a material often plastic but also metal, rubber, or powder mixtures is shaped on the outline of die or mold. There are many different techniques for molding materials just as there are many different application for each process.