There are two main types of dewaxing casting methods: solid Mold method and Ceramic Shell Mold method. The latter is an improved method of the former.
The method of pottery shell moulding up to the production of wax mold is the same as that of solid moulding, except that after one time of dipping and sanding (or floating sand), the overmolding operation is not performed, but the dipping and sanding is repeated repeatedly Until a predetermined shell thickness is obtained. Drying, heating, melting out wax, heating at high temperature before pouring, this method is widely used by current dewaxing precision casting industry
The pottery shell mold method is the same as the solid mold method until the wax mold is made. only after a dipping and sanding (or floating sand) process, the encapsulation operation is not carried out. Rather, the dipping and sanding are repeated many times until the predetermined shell thickness is obtained. Drying, heating, melting out wax, heating at high temperature and then pouring, this method is widely used by the present dewaxing investment casting industry.